DE2349670A1 - DEVICE AND METHOD FOR CONTROLLING AN COMBUSTION ENGINE - Google Patents

Description

The invention relates to a fuel delivery system an internal combustion engine with a fuel source for an injection device, which is opened when an electrical fuel signal is supplied to the Machine to supply a certain amount of fuel, and with a device for controlling the fuel signal. The invention relates in particular to a device and a method for controlling an internal combustion engine electronically.

During the past few years, both the federal government as well as the various states of the United States of America have strict control regulations for the Exhaust products that arise in internal combustion engines,

SL / DrK / Ho

409827/0216

enact. In order to comply with these regulations, designers have and engineers used a variety of techniques to reduce emissions. During this Techniques that could reduce emissions to a part, they have the performance characteristics of the other Machine affected in an unfavorable way. For example, exhaust gas control devices are known that the Start-up, warm-up and start-up properties of the machine deteriorate and generally increase fuel consumption. -.

Some known engine controllers use fuel injectors that are open when an electrical signal is supplied to supply fuel to an engine cylinder. To the electric Analog electrical circuitry is used to control the signal. Experience has shown that this Analog circuitry does not work accurately enough to provide precise control of the injector over a long period of time to ensure. Also, analog circuitry for those used in automobile manufacturing The technique of mass production is ill-suited because small changes in component values change the operating characteristics of the circuits so much that the accuracy of fuel injection into the engine cylinder is impaired. Also decrease Changes in component values due to age and

409827/0216

the unfavorable ones that are absent in the motor vehicle engine room Environmental conditions the accuracy with which analog Circuits that control fuel injection. The same factors cause the analog circuitry to control the ignition timing work incorrectly in internal combustion engines. In addition, the way in which analog Circuits controlling a motor "usually cannot be changed without replacing circuit components. This is an expensive procedure that requires more experienced use. Technician Required.

The object of the present invention is therefore the laughing parts and described above To avoid deficiencies of the known control devices.

The task is solved by a first device, the a first machine operating condition digital digit generated, the value of which represents a first mode of operation of the machine, by a second device, which is a second machine operating status digit generated, the value of which creates a second mode of operation of the machine, through a data store for storing a plurality of fuel digital words having a plurality of discrete values the engine fuel requirement, through a selector, by selecting one or more of the Fuel digital words derived from the values of the first and second machine operating status digits

409827/0216

hang, generate a resulting fuel digital word, which represents the need for Masohin fuel, through a Device for storing the resulting fuel digital words, by means of generating a position signal as soon as the machine is in a predetermined position Position is located by a device responsive to the position signal, which the fuel signal generated at the end of the predetermined working interval, and by means of determining the value of the fuel signal as a function of the value of the resulting fuel digital word changes, such that the exact amount of fuel supplied to the engine by a fuel injector is fed.

The invention includes a completely new control concept in which engine control requests via a large range of working conditions determined experimentally and are stored in a data memory in the form of digital Siaaerdaten. As soon as the machine is put into operation is, the memory is immediately analyzed in order to select the exact control data necessary to create a to ensure optimal engine operation. For example, the data stored in the memory can be saved at a time of 0.0000125 seconds can be obtained, while for one revolution of a machine that rotates at 3000 revolutions per Minute rotates, 0.020 seconds are required. The invention enables an engine control with a previously unattainable Speed, flexibility and accuracy. By

409827/0216

simply changing the data stored in the memory can automatically set the machine to maximum output, exhaust gas control, Fuel economy or other operating properties can be brought without the need for any components need to be replaced.

In accordance with an important feature of the present invention, the engine operating data is related to engine speed and throttle position used to select data stored in digital memory .. Although in the past engine speed and throttle position already used for mechanical engine control systems, the present invention becomes the first Times shown that these operating characteristics "the engine response time reduce considerably when used in conjunction with electronic digital control systems. By reducing the engine response time, the present invention enables the engine to handle the various Commands of the operator momentarily follows, whereby the characteristics of a motor vehicle as such a machine used, improved.

According to another feature of the invention, the digital control data in the data memory is in the form of many stored discrete digital control words. Each digital word represents an engine control requirement or need (e.g. amount of fuel) for a particular one Combination of engine operating parameters, such as specific

409827/0216

Engine speed and specific throttle position. When the engine is running, the engine operating data are continuously converted into digital engine status numbers, so that any change in the operating data (for example movement of the throttle valve) is displayed immediately. These digital engine control digits are used to select eitffi or several of the digital control words from the data memory which correspond at least approximately to the control requirements of the engine in the instantaneous mode of operation represented by the digital engine status digits. In the formal case, the current operating state of the engine will not exactly correspond to an external combination of engine operating data for which a digital control word is stored is, from the stored digital control words afc * which come closer to the exact motor control requirement «This derivation can be achieved through an arithmetic interpolation process. If such accuracy is not desired, this interpolation can be dispensed with and the resulting digital control word can be derived by simply selecting a single digital control word from the data memory and transferring the single word to a memory unit. The resulting digital control word is stored for a fraction of a second,

409827/0216

until another set of engine operating data is added ■ will. In this time a new resulting digital becomes Control word generated that each change in engine operating conditions reflects.

As the resulting digital control word is derived and stored, it becomes a position signal generated when the engine is in a predetermined position. This position signal is used to to put a control device into operation, which can generate a control signal which corresponds to the value of the resulting digital Control word is proportional to control the motor. For example, if the system is used to To control the ignition timing, a device responsive to the position signal generates a control signal, the ignition of a spark plug at the end of a work interval according to the value of the resulting digital control word. With work interval is either a time interval or a movement interval, such as Degree of crankshaft rotation, meant. In this way the value of the resulting digital control word Control pre-ignition with a level of accuracy previously unattainable. A similar technique is used around the working interval in which fuel enters the engine is injected to control. By using these techniques, fuel can be added for a momentary response precise quantities necessary at the command of an operator are injected, namely at a

409827/0216

..0 / 8

The manner in which the engine will operate optimally.

In accordance with another feature of the invention, one of the digital engine health digits is the reciprocal Motor speed proportional. It asked sie shown that by means of this feature one is able to run the engine at low speeds in the order of the idle speed to steer precisely.

According to a further feature of the invention ■ are operating instructions in a program memory stored in the form of digital instruction words. The digital instruction words control the entire operation of the system, including the selection of the digital control words from the data memory. By applying this Technology can change the entire operation of the system to adapt to a wide variety of requirements without having to replace any components.

According to another feature of the invention, each control device, for example a fuel injection device, which is assigned to a single cylinder of the engine, controlled separately.

According to another feature of the invention, the operational requirements of each cylinder are taken into account, so that each cylinder according to its own operating requirements is controlled individually.

... / 9 409827/0216

This way you can get the exact tax needs of the motor can be met with a level of accuracy that was previously unattainable. .

According to a further feature of the present invention, a separate digital correction digit is provided for every cylinder of the engine is saved and the value is saved each control signal to control the fuel to each individual cylinder through the composite The value of the resulting digital control word and the digital correction factor changed so that each cylinder operated separately according to its own needs.

According to another feature of the invention operates the motor at a predetermined value of one of the operating data, for example a particular speed, by successively transferring the operational attribute in digital digits in time segments and through small changes in a control parameter, for example the amount of fuel, with the aid of these digits until the desired Value (e.g. speed) is reached. These' Technology provides a method by which an engine is maintained at a particular idle speed even during the warm-up period, with a level of accuracy that can be achieved by conventional "techniques is not reachable.

With the help of the attached drawings, in denaa Exemplary embodiments are shown, the invention will be explained in more detail below.

409827/0216

There are:

Pig. 1 is a partial perspective view of a Internal combustion engine with fuel injection, and an ignition distribution system suitable for use in connection with the present invention,

Pig. 2 is a schematic plan view of the Machine and the associated equipment according to Pig · 1 together with one for the Operation of the machine necessary additional equipment,

Pig. 3 is a schematic block diagram of a preferred one Embodiment of the present

3A is a block diagram of the timing circuit 320 according to Pig. 3 »

Pig. 4 an egg prism map graphically depicting Art and shows the way in which the fuel requirements of the machine are stored in the data memory of the system are saved,

Pig. Figure 5 is an enlarged view of a portion of the Pig injection map. 4,

Pig. 6 is a timing diagram showing relative movement between different parts of the system and the machine shows

Pig. 7 is an illustration of the manner in which the Pig. 7A and 7B are assembled should,

409827/0216

... / 11

? ig.7A and ΊΒ logical sehematisctae electronic circuit diagrams showing a preferred embodiment of a program memory and a data memory used in the present system,

Eig.7C has a decoding table that shows the state of the Information connection path during the Execution of the instructions used by the facilities according to Propr.7A and 73, shows

3? Ig.7D a timing diagram showing the state of the three System clock lines - T8 branches during eight separate time periods or columns £ 1,

Eig.7E a logical electronic sebematic Circuit diagram showing a preferred embodiment of a bit switch used in the system shows,

lig. 8 is an illustration of the manner in which the pig. SA to 8C should be ordered,

Eig.SA to 8C logical electronic schematic Circuit diagrams showing a preferred embodiment of an analog-to-digital converter, in the invention. System is used, showBU,

5 "ig.8D a decoding table that shows the state of the Information connection path -during the

409827/0216

... / 12

Execution of the instructions used by the institutions according to the Pig. 8Δ to 8C, shows

3? Ig. 9 shows the manner in which the pig. 9A to 90 are to be ordered,

Pig.9A to 90 logical electronic schematiscbe Circuit diagrams showing a preferred embodiment of a speed and position display device show for use in the system according to the invention,

Pig.9D a decoding table which shows the state of the information connection path during the execution of the instructions used by the devices according to the Pig. 9 & through 9C, shows

Pig.10 depicting the manner in which the Pig. 10A and 1OB are to be arranged,

Pig.1OA and 1OB logical electronic schematic circuit diagrams, which are a preferred embodiment of a program execution device for Show use in the system according to the invention,

Pig.1OC is a decoding table that shows the status of the Communication path during the execution of the instructions used by the Bodies according to the pig. TOA and 1OB, shows

/ 13 409827/0216 ""

Fig.1OD is a logical electronic schematic Sobalt picture, which is a preferred execution. form of part of a transmission line barrier shows for use in the system according to the invention,

Pig.1OE a logisobes electronic sobematisohes Circuit diagram showing a preferred embodiment 'of a lockable, non-deforming Shows buffer memory amplifier for use in the system according to the invention,

Pig. 11 shows the manner in which the pig. 11A to 11P are to be arranged,

Pig.HA to 11P logical electronic schematic Schematics showing the preferred embodiment of the main registers used in the system,

Pig.11G has a deodorant table that shows the state of the Information connection path during the execution of the instructions through the bodies according to the Pig. 11A to 11P shows

Pig.HH a schematic electronic circuit diagram, showing part of a preferred embodiment of the register used in the system,

... / 14 409827/0216

Figure 12 is an illustration of the manner in which

the pig. 12A to 12E are to be arranged, Pig.12A to 12E logical electronic schematic Schematics - showing a preferred embodiment of one used in the system show arithmetic unit

PIg. 123? a decoding table showing the state of the information link during the Execution of the instructions used in the devices according to FIGS. 12A to 12E, shows,

Pig. 12G- a schematic electrical circuit diagram, which is part of a preferred embodiment of the full adder for use in the arithmetic circle shows.

Pig. 13 an illustration of the manner in which the Pig. 13A to 13D are to be arranged,

Pig.13A to 13D logical electronic schematic Schematics showing a preferred embodiment of an injection timing circuit for use in the invention System show

Pig.13E a decoding table which shows the state of the information link during the Execution of the instructions used in the facilities according to the Pig. 13A to 13D, shows

409827/0216

■ - 15 - 234967α

Pig. 14 an illustration of the manner in which the I ¹ Ig. 14A and 14B are to be ordered,

]? ig.14A and 14B logical electronic schematiscbe Circuit diagrams showing a preferred embodiment an ignition timing circuit for use in the system show

Pig.14C has a decoding table that shows the status of the Information connection path during the execution of the LSPK instruction by the Device according to the Pig. 14A and HB shows

Pig.14D a time circuit diagram showing the time interval of the motor cycle in which the reference counter works,

Pig. 15 an illustration of the manner in which the Pig. 15A to 15D are to be arranged,

Pig.15A to 15D logic electronic schematic circuit diagrams showing a preferred embodiment show an input-output circuit for use in the system, and

Pig.15E is a time decoding table that shows the state of the information connection path during the execution of the instructions that Establishment according to the Pig. 15A to 15D shows

... / 16 409827/0216

In the pig. 1 and 2 is an example of a device Shown to be completed in connection with the present invention is a conventional Y-8 internal combustion engine 80 comprising cylinders 1 to 8 in which pistons (not shown) reciprocate. An air intake port 90, which may include the throttle body of a carburetor, is on top of a branched intake manifold system 92 arranged to control the amount of air flowing into the engine. Opening the air intake port is controlled by a throttle valve (not shown) similar to the throttle valve in a conventional one Carburetor. The throttle valve is <± ehber by means of a shaft 98, that by a conventional linkage 94 with an accelerator pedal 96 is connected, which is controlled by the operator lock son of the engine is controlled.

A fuel injection assembly 100 is disposed on top of the engine. This arrangement comprises fuel injection devices ^{I 1} I to Έ8 which inject fuel into the intake line system in the technical area of the intake valves of cylinders 1 to 8. The fuel injectors are well known electro-mechanical devices that open upon an electrical fuel control signal and allow fuel to flow into the intake manifold system into the vicinity of a single cylinder

... / 17

409827/0216

connected with each other. The pressure in the fuel line is controlled by a pressure regulator 112 which is connected to all Injection devices have a substantially constant pressure drop relative to the line system pressure during all operating phases generated. As a result of this constant pressure drop fuel systems depends on the amount of fuel injected into a cylinder by each injector on the length of time in which the injection device is open ■ is. Fuel is supplied to regulator 112 through a supply line 114 "from a fuel source (not shown) fed. The pressure reference original is sent to the controller via line 111 of the pipe system supplied.

Fuel electrical control signals are ^{supplied to injectors I 1} I through Έ8 through an injection control circuit 116 which includes control amplifiers 116A through 116H. The amplifiers are of a known type and feed the coils of the injectors ίΊ to 3? 8 when fuel signals are supplied which are received via lines i18A to 118H. ·

An ignition distributor 120 controls the ignition of spark plugs S1 to S8, which are arranged in cylinders 1 to 8 are. A conventional high-voltage generator 130, for example a capacitive discharge unit, is generated a high voltage pulse in response to an electrical one Ignition control signal. The Hocbspannungsimpuls is a Line 131 to an upper connection 134 of a conventional one

409827/0216

../18.

rotating manifold 132. A rotor 136, which in the distributor 132. is arranged, distributes the high voltage pulses from the upper terminal 134 to each of the electrodes 141 to 148 and via ignition cables 151 to 158 to spark plugs S1 to S8. - ■.

In the] fig. 3 is a preferred embodiment a device is shown which is used to generate the fuel signals and ignition signals and timed to control the fuel injectors and control the spark plugs, and essentially a voltage supply 166, a data memory 170, an analog digital unit 190, a speed and position indicating arrangement 210, a selection arrangement 240, which comprises a program memory 250, a program sequencer 260, a general purpose register 280 and an arithmetic unit 300, a timer 320, an input / output circuit 372 and an information connection path 380.

The power supply 166 is a conventional device that comprises a 14 volt and a 28 volt voltage a 12 volt nominal input voltage that can be supplied by the engine battery and each unit of the system feeds. . . ■

The data memory 170 includes an injection data memory 172 capable of storing 256 8-bit digital fuel control words save. Each digital fuel word represents a number of fuel requirements for the engine at a certain engine speed and throttle valve

409827/0216

... / 19th

Each digital fuel word is used in the Memory at one by one of the reciprocal motor speed proportional digital 4-bit speed digit and by one proportional to the throttle position digital 4-bit throttle valve-digit defined address saved.

The data memory 170 also includes an ignition data memory 176 which is capable of storing 256 8-bit ignition control digital words. Each ignition digital word is numerically a Zündzeitpunkterfordernis of the engine at a particular engine speed and throttle position are each ignition -DIG it a I ^-. Is ort W speed-proportional at or through one of the reciprocal Mot 4-bit digital-Greschwindigkeits-digit and stored by a digital 4-bit throttle valve number that is proportional to the throttle valve position. The fuel and ignition digital words are empirically determined during operation of the engine at a range of engine speeds and throttle positions which are believed to occur under possible operating conditions. The fuel and ignition timing requirements are recorded, transferred in 8-bit digital digits and loaded into the data memory; of course, the values of the digits change depending on the desired setting and engine power.

409827/0216

234967D

The data memory 170 also includes a data address lock 178, which briefly stores the address at which a desired digital word is stored, and an instruction lock (IL) 180 which indicates to the data memory that data is to be read or read.

The analog-digital unit 190 has a lead arm 196 of a potentiometer 194 on that of an accelerator pedal 96 is controlled via a connection 94. An additional potentiometer 192, which is controlled by a other engine operating parameters, such as temperature, controlled, can also be provided. An input multiple switch 191 (input multiplexer) selects the potentiometer voltage to be converted and transmits them to an analog-to-digital converter 195. The converter 195 converts the analog voltage on the grinding arm 196 into a corresponding digital throttle number, which is stored in an analog digital register 198 (ADR register). The way the converter works is through an instruction lock (IL) 200 is controlled.

The speed and position display device 210 comprises a device 212 for calculating the position of the motor elements in advance. Such a device is described in an application entitled "Engine Member Position Predictor" by Bay E. Estes.

The arrangement comprises a clock sequence generator 214 »which the multiplex time sequence control of the information

409827/0216 ... / 21

regulates the flow within the system. The torque for precalculation 212 receives input data from an engine cure be! undulating attenuates 220, the one with slots 221 to 224 which are spaced 90 degrees from each other. The slots rotate on a conventional one magnetic sensor 226 indicating the changes in magnetic flux density. Whenever As a slot rotates past the sensor, electronic circuit 228 generates a position or damper pulse with a standardized amplitude and duration. The slots and the sensor are arranged so that the trailing edge a position pulse appears as soon as each piston reaches a position 6 degrees before top dead center Has. The pole frequency of the position pulses depends of course on the engine speed. The device for precalculation 212 acts like an Aaälog digital converter, by changing the length frequency of the position impulses in corresponding 8-bit speed digits implemented which are stored in a speed register (SPR) 216. The use of the in the speed register 216 stored digits is controlled by an instruction lock (IL.) 218. The position anticipator 212 also generates 128 spatial pulses on a line for every 90 degrees of engine rotation (crankshaft rotation) 901 for the exact location of the engine during its sowing Work cycle to be calculated in advance. ,

409827/0218

234967Q

The program memory 25o comprises a sheet-O digital program memory 252 and a sheet 1 digital program memory 256. Each of these program memories contains operating instructions that other units of the system enable the generation and timing of the fuel and ignition signals to be controlled. This is a significant feature of the present invention as it allows the capacity of the system to be increased without Changes were made in the physical design of the system need to become. For example, the system can be expanded to include engine operating data. other than engine speed and throttle position, e.g. Pressure in the intake manifold system, the ambient air pressure, the Ambient temperature and the engine temperature to determine the fuel and control ignition signals. These additional data can be fed into the converter 193 through further sensors can be read in and can be used for control purposes are made by merely changing the operating instructions stored in the program memory.

The program sequencer 260 includes a program counter (PGHT) 262 which causes the operating instructions are executed one after the other from the program memory. The program sequencer contains also a connection path blocker (BLT) 264, which enables every unit of the system to transfer data.

409827/0216 '" ^{/ 23}

wear. Instructions are also blocked by an RJMP 266 and an instruction lock (IL) 268. Leaf-rooting gate 270 and sheet-select lines 272, whether an instruction from sheet 0 or sheet 1 pro ■ gram memory is read out.

The general purpose register 280 includes a 0 display register 282, an increment and completion circuit 284, and 16 separate general purpose registers 670-685, the are designated together with the number 286. An instruction lock (IL) 288 controls the entire operation the general purpose register.

The arithmetic unit 300 includes an instruction lock (IL) 302, an 8-bit yoll adder 304, an 8-bit SHA register 306, a 1-bit transfer register 308, an 8-bit SHB register 310 and a 1-bit connection bit register 312. The arithmetic unit 300 provides a means for interpolating between the discrete fuel and Ignition digital words that are stored in the data memory so that precise engine fuel and ignition timing requirements can be determined.

The structural units of the selector assembly 240, i. the program memory 250, the program sequencer 260, the general purpose register 280 and arithmetic unit 300, are programmed to contain one or more fuel and ignition digital words stored in data memory 170 are to select, at least approximately

409827/0216 _{/ 9} .

the fuel and ignition timing requirements of the engine correspond in terms of speed and throttle valve position, those from the speed and throttle digital digits which are stored in registers 216 and 198, respectively. The selection arrangement directs also a resulting fuel control digital word and one of one or more selected digital words resulting ignition-control digital word, which exactly the Form fuel and ignition timing control requirements of the engine.

The resulting fuel and ignition digital words are used by a timer circuit 320 (Fig. 3A), to control the engine's fuel injectors and spark plugs. The timer circuit 320 receives Position pulses via line 229, position pulses from an arrangement 210 via line 901 and a distributor reference signal from a divider switch 321 which indicates the period of time in which the cylinder 1 is in the ignition section of the operating cycle.

The timing circuit 320 includes an injection opening time (I! IO) register 322, which is an 8-bit opening time digital word that represents the time at which each of the fuel injectors should open. Similar An injection duration (IND) register 324 stores that of the Selector 240 derived resultant fuel digital word and an ignition timing (IGK ") register 326 das ignition digital word derived by the selection device.

409827/0216

The opening α of the injector devices ΙΊ to P8 is controlled via an instruction lock (IL) 328 by means of an IMO counter 330, a shift register 332 and a clock control circuit 334 Each of the injection ^{devices I 1} I to 1 * 8 remains open is controlled by IED counters 341 to 344, correction registers 351 to 358 (corresponding to the fuel injectors ΙΊ to F8), adding circuit 360 and logic output circuits 361 to 364. The correction registers 351 to 358 hold digital correction digits which set the amount of fuel injected into the cylinders in accordance with the changes in the fuel requirements of the individual cylinders. The IND counters 341-344 are controlled by a two-speed clock generator 366 which generates clock pulses that increment the counters.

The ignition of the spark plugs S1 to S8 is controlled via an instruction lock (IL) 371 by an ignition reference counter 367, an ignition (IGN) counter 368. and a logic output gate 370 is controlled which controls the ignition timing advanced by a certain amount during start-up.

The input / output circuit 372 provides means for reading in and reading out data in the The circuit comprises a conventional HEX display unit 374, which is able to simultaneously display two digits in hexadecimal notation.

409827/0216

... / 26

All units of the system are connected to one another via a common information connection path 380, of the eight data lines 381 to 388, three instruction control lines 390 to 392, three clock lines 394 to 396 generated by a clock sequence generator 214 of the series after being controlled, and three power lines 398 to 400, the direct voltage from a power supply 166 supplies, includes. The common information link is an important feature. This makes it easy to attach any unit of the system to any Place along the line enables lieue circuits to be able to at any point on the line or connection path 380

can be added to increase storage capacity or for other reasons without removing existing units need to be de-wired. The data is between the different units of the system on the eight data lines using the time multiplex method by the state of the three clock lines.

The basic mode of operation of the system should now be combined with a preferred method of the present Invention to be described:

Before the system can control an engine (machine), the engine must be at the speed and throttle positions, which occur during operation are tested to meet the fuel and ignition timing requirements of the engine. Change these requirements.

409827/0216 "· ^{/ 27}

depending on the desired way of working of the motor. Once the requirements have been determined numerically, they can be in the form of a graph Display or! Carte can be recorded. Such a card that the fuel requirements of a to maximum Power set machine shows is in the prop. 4, in which the X-Acb.se shows the engine speed or revolutions per minute (EPM), the Y-axis the position of the throttle or accelerator pedal 96 and the Z-axis is the amount of fuel in milliseconds of the opening time of the injector per engine revolution. Each point on the map is a fuel digital word assigned to one by the specific engine speed and a specific throttle position defined address.e is saved. Every fuel digital word represents the mean value of the fuel requirement of all eight cylinders of the engine. An analog map could be drawn for the ignition timing requirements will.

Experience has shown that the cylinders of a typical internal combustion engine are not all the same Have fuel requirements. Accordingly, a single fuel off digital word does not represent the exact fuel requirement of all engine cylinders. In order to get an exact fuel control for all cylinders of the engine, will be the individual fuel needs of everyone

409827/0216 ... / 28

Cylinder determined empirically and converted into corresponding digital Transfer correction digits. These digits are loaded into the correction registers 351 to 358 via the input / Output circuit 372 or from data stored in program memory 250 are stored. Alternatively, read registers can be used that contain the digital Permanently save correction digits. After the fuel and ignition maps have been drawn, the Data is read from the card into data memory 170 via input / output circuit 372. If only a read-only memory is used, this step is not necessary as the data is stored in this memory during the manufacturing process get saved.

Hachdem the fuel and ignition digital words and the digital correction digits are stored, operation instructions must be in the program memory 250 can be stored via the input / output circuit 372. In the present system, approximately 250 work instructions in the form of individual digital words saved. These work instructions are sequentially - one at a time - by the sequencer retrieved.

When the system is powered up, the power supply 166 provides a start pulse which will operate the various registers and output lines of the system

... / 29 409827/0216

puts. For example, the opening time digital word that is stored in IITO register 322 is stored, preset to the Regulate the time in which each injector opens, to allow fuel to flow into the cylinder.

Hachdera the gate setting and the input / output routines are completed, the reciprocal engine speed stored in the speed register 216 becomes via the information connection line to register 685 in the general purpose register; 286 transferred. That Register 685 is then incremented and set to a NuIl state checked to determine whether the engine is rotating at too low a speed (e.g. when the starter starts it), or whether the engine is running at its operating speed (i.e. idling speed or at a higher speed) running around. When a normal speed condition is indicated, the clock 566 switches to its high speed state of affairs

The selection device 240 now selects four fuels -Digital words that are stored at addresses, that come close to the speed and throttle position, in which the engine is operated. The selection process is graphical in the Pig. 4 and 5 shown. The real one digital speed digit that is in the register 216 and used in the selection process is inversely proportional to engine speed.

409827/0216 ... / 30

However, for ease of explanation, see the Pig. 4 the digital Speed figure drawn in as if it were directly proportional to the engine speed. Like previously described, 4 illustrates a "map" of the 256 fuel digital words stored in digital memory 170. When the engine is operating at a speed equivalent to 65 engine RPM along the X-axis of the drawing according to Pig. 4 and a throttle valve position, the 16 throttle valve control units along the Y-axis of the drawing according to Pig. 4 corresponds, the resulting would be the existing fuel requirements under these working conditions to find the corresponding fuel digital word at the word position fO. While looking at the pig. 4 recognizes that the word position fO nearest surrounding fuel digital words are the words f1 to f4. To operate the motor, the selector first selects the words f1 through f4 and then interpolates between the words to determine the value of the amount of fuel shown would be if a fuel digital word was in place fO would be stored. This amount of fuel is then called a resulting digital fuel word is stored which represents the engine's exact fuel consumption at the engine speed and the throttle position indicated by the speed and throttle digital digits which are stored in registers 216 and 198 are. In this example, where .dem is the engine speed is proportional to 65 also corresponds to

409827/0216

... / 31

the digit of the stored in the speed register 216 65 in hexadecimal notation. This number is stored in register 216 as an 8-bit binary digit as: 01100101. In this number the first four bits (from the left) represent the number 6 and the last four bits (right hand) the number 5 represents. The first four bits also represent a speed index or an 'address line number, that of the address line 6x along the X axis according to Pig. corresponds to, and the last four bits represent a speed The first number is 5, which is a fraction of the 16-unit increment between the index or address lines 6x and 7x. As a result of this arrangement can the speed index number from the speed remaining number separated when the first four bits are separated from the second four bits. With the present system the separation is done by shifting the 8-bit speed itsz iff it is executed in the SHA register 306 and then by shifting the speed number by four bits to the left into the SHB register 310. At the end of this process, the speed index number is in the SHB register and the speed remaining number stored in the SHA register.

After the speed index and speed s residual numbers have been calculated and stored, the instructions direct an analog-digital conversion in the converter

... / 32 409827/0216

2349G7Q

193 and save the results as an 8-bit digital throttle number in A / D register 198, the throttle body 196 through the multiplexer through previous Instructions has been selected. The throttle valve number is transferred to the SHA register via the information connection line transferred by the throttle valve index number and the throttle valve remaining number in the same way and Can be calculated as before with regard to the speed index and remaining speed digits became. In the present example, in which the throttle position is proportional to 16, corresponds to that in the register 198 stored throttle valve digit also the 16 in

is hexadecimal notation. The number / in register 198 stored as an 8-bit binary digit as: 00010110. In this number, the first four bits (from the left) represent the number 1 and the last four bits (from the right) the number 6 represents. How to get the 3? ig. 4, the throttle valve number J6 represents a throttle valve index number 1, the address line x1 along the Y-axis according to Pig. 4 equals, and a residual throttle number 6, which is a fraction of the 16-unit increment between the throttle index or the address lines & 1 and x2 of the card according to Pig. 4 corresponds. In the pig. 4 are the Bit positions reverse to normal convention, so that the most significant (identifying) bit to the right of the bit least significant is arranged.

AO9827 / 021 6

... / 33

The speed index ζiffer and the throttle valve index number are combined to designate the address of the fuel digital word f1 (Fig. 4) by writing the 4-bit speed index number to the left of dfe 4 ^x bit throttle valve index number will. In hexadecimal notation, this number means 61, and the binary equivalent stored in the system registers is O11OOOO1 »This number corresponds to the address of the ⁿ corner ⁿ word f1, from which the addresses of the words f2 to f4 surrounding the word memory location f0 are calculated can be. In order to calculate the value of the word memory location f0 from the values of the words f1 to f4, the system solves the following interpolation equation:

fO (r _x , r _y ) =

A.
where mean: ^

where: rx = residual speed number and

ry = remaining throttle valve number.

The address of f2 is calculated by adding 1 to the address of f1 (61). This is possible because f2 with the same speed index number, namely 6, like f1 and is stored at the next ascending throttle index number, namely 2, of f1. As result results for the address of the digital word f2 62. The

409827/0216

... / 34

Address of digital word f4 is given by adding 15 to calculated from the address of the word f2. This process can be visible in connection with Pig. 4, assuming that the f2 address increments fifteen times will. When the integers are added to the f2 address, the resulting addresses appear to be left wander parallel to the Y-axis until the throttle valve address line xP is reached. Adding another integer at this point moves the address to the throttle address line xO and increases the speed index number by one digit to 7. After 15 integers to the f2 word address have been added, the address of the word f4 is reached. As in the case of the f1 word address, the address of the word f3 can be obtained by adding the whole number (integer) 1 to the f4 word address can be calculated.

As soon as the addresses of the words f1 to f4 are known the values of these words can be obtained from data memory 170, and the remainder of the expressions of the interpolation equation can be calculated by conventional arithmetic techniques to get the value of the word memory space to determine fO. This value is called the resulting Fuel digital word stored in IND register 324. One similar routine is used to store those in the ignition data store 176 to analyze the data stored in the IGÜT register 326 is stored.

409827/0216

... / 35

The interpolation routine is of course not required when engine speed and throttle position are assigned exactly to an existing address in the data memory 170. Furthermore, if enough Fuel digital words stored in data memory 170 are the various increments of speed and throttle position represented by the addresses will be close enough to actual engine operating conditions to eliminate the need for interpolation not applicable.

Engine speed and throttle position are sampled every few milliseconds and new resulting fuel and ignition digital words are stored in the Registers 324 and 326 are stored at the same rate. As a result, every change in the values of the engine operating parameters results in currently resulting fuel and ignition digital words representing the fuel and ignition timing requirements which are necessary to adapt to the changed conditions. The resulting Fuel and ignition digital words are used by the timing circuit 320 used to design each spark plug and each injector to ignite or actuate in the system at the right time during the working cycle of the engine.

The timing circuit 320 of FIG. 3A basically operates as follows:.

... / 36 409827/0218

2348670

Every time a position pulse relating to cylinder 1 is received from the ΙΪΓΟ counter 330, the counter is loaded with the opening time digital number stored in the IHO register 322. Thereafter, the counter is incremented by separate location pulses until it overflows or reaches a predetermined value, whereby the shift register 332 is reset. As soon as the shift register 332 is reset, the logic circuit 333 switches the logic output circuit 363 "which generates a fuel pulse which opens the injector ΙΊ. Further local pulses from the speed and position display unit 210 trigger the shift register 332 every 90 degrees of engine rotation, so that the injection devices Έ5, 3Γ4 and P2, which are assigned to cylinders 5, 4 and 2, are opened one after the other. When a position pulse associated with cylinder 6 is received by the circuit, the INQ counter is reloaded and incremented to generate a fuel signal that opens injector 366. Injector Έ6 is opened instead of P1 due to the state of switch 321. Thereafter, the location pulses from speed and position display assembly 210 trigger shift register 332 every 90 degrees of engine rotation to inject injectors F3, P7 and Έ8, which drive the cylinders 3, 7 and 8 are assigned to open.

409827/0218

... / 37

The opening time of the injection devices is determined by the value of the resulting digital fuel word, stored in IND register 324 and by the value of the correction digital digits stored in the correction registers 351 to 358 are stored. As previously explained, the resulting fuel digital word, which is im IND register 324 is stored, represents the average fuel consumption of all cylinders of the engine. The cylinders of the However, machines usually require an amount of fuel which deviates upwards or downwards from the mean value. Correction digital digits showing the individual variation in the Consider fuel requirements of each cylinder are loaded into correction registers 351-358. As soon as the The injection device assigned to a cylinder is opened, the correction register assigned to the cylinder is assigned, stored correction digital number of the number stored in the IND register 324 by the adding circuit 360 is added and the sum is loaded into one of the IND counters 341-344.

In response to a signal from logic circuit 333, the loaded IND counter will incrementally advance ^ - switched until it overflows or reaches a predetermined value. At this point, one of the logical closes Output circuits 361-364 provide the correct injector, thereby injecting fuel in the cylinder is terminated.

. ■ '■ ... / 38

409827/0216

2349678

The way in which the resulting fuel and ignition digital words are used to actuate or ignite the fuel injection devices and the spark plugs, you can use the Pig. 6 and the following description of the operation of the cylinder 1 can be better understood.

Fig. 6 is a timing diagram showing a complete Represents engine cycle or 720 degrees of crankshaft rotation. If you look at the time diagram clockwise circumscribes, the radial lines 1 to 8 represent the positions of the top dead center of the pistons in the same colored cylinders in their correct ones Firing order «, suppose the piston in cylinder 1 reached A (i.e. its BTDC position) 6 degrees before TDC (top dead center), during the ignition phase of its duty cycle, then a position pulse is generated by the magnetic sensor 228, and the switch 321 will be closed. Because the damper 220 consists of four at 90 degree intervals is composed of mutually arranged slots, a position pulse is generated as soon as each piston reaches its 6 degree BTDC position. As soon the piston in cylinder 1 passes its 6-degree B! EDG point, the switch 321 is opened and the position pulse ends. A position pulse is ended as soon as each piston passes its 6-Graä-BTDC point.

.... / 39 409827/0216

³⁹ ■ 234967Q

The end of the position pulse causes the 8-bit opening time number in the INO register 322 in the INO counter 330 is loaded. (Pig. 3A) As soon as the crankshaft continues to rotate, the counter 330 is clocked by clock pulses step-by-step from the iOakt gate control circuit 334, which in turn receives local impulses, via line 901 from the speed and Position display arrangement 210 are transmitted. As the arrangement 210 per degree rotation of the crankshaft 1.42 pulses generated, 128 pulses per 90 degrees of crankshaft rotation received over line 901. This is an important feature because it creates a position dependency instead of timing the ignition and fuel signals can be obtained. The signals can of course also be generated in Expressing time intervals. The location pulses are divided by four in circuit 334 before they are used to increment the counter 330. The counter 330 switches step by step continues until it overflows into its Uull counter state. An output logic indicates this state and then brings the shift register 332 into its Uull state. In response to the zero state of shift register 332 generate logic circuit 333 and output logic circuit 363 a fuel signal that through the injection booster 116A (Pig. 2) is reinforced,

409827/0216

" ^{40 <} " 23496 7Q

so that the injector P1 in position B according to FIG Fig. 6 opens. The size of the Drebbogen (and the time interval) between positions A and B according to Pig. 6 is controlled by the value of the opening time digital word. This way-by mere indenting of the value of this can Words the opening time of the fuel injection devices can be set to adapt to changes in engine operation. For example, an opening time digital word, which results in a relatively early opening of the injection devices, can be used during starting, to learn to create a variety of fuel mixtures.

As soon as the shift register 332 is in its NuIl state has been switched, the 4-bit correction digit stored in correction register 351 (assigned to cylinder 1) is used durofa the adder 360 to the four least significant bits of that stored in the IND register 324 resulting. Fuel digital word added. if an overflow bit is generated by this process, it becomes the four most significant bits (identifying bits) of the resulting fuel digital word is added. That corrected resulting fuel digital word is in the IND counter 343 is loaded, which is incrementally activated by lactic impulses The period of 50 microseconds is continued and are generated by a clock generator 366. Once the counter 343 is in its zero state

409827/02 16 * '* ^{/ 41}

overflows, the logic output circuit 363 interrupts the fuel signal to the injector ΙΊ, whereby the injector is closed and others Injecting the fuel into the cylinder 1 connects will. How to be the Pig. 6 takes it, that ends Fuel signal at position D. This position is 18 degrees before the cylinder intake valve closes The exact location of the position D will of course depend on from the value of the corrected resulting fuel -Digital word loaded in counters 343 vary.

As soon as fuel is injected into the intake duct near the cylinder 1 by the injection ^{device I 1} I, it is mixed with air from the air intake port 90. The resulting fuel-air-G-emiseh is drawn into cylinder 1 as soon as the intake valve for cylinder 1 opens. After the fuel-air mixture has been drawn into cylinder 1 and the intake valve is closed, the piston in cylinder 1 moves to its 90 degree BTDC position (position E in FIG. 6). During this time, a position pulse used in ignition with cylinder 8 is generated and used to load reference counter 367. The reference counter is incremented by local pulses from the speed and position display arrangement. The number loaded into the reference counter is set so that the crankshaft continues by about 45 degrees.

409827/0216

234967Q

rotates before the reference counter overflows. This technique provides a new reference point for loading the counter IGN ^x 368 ago, which is about 51 degrees before üer! Is EBC position of the piston in the cylinder. 1 As soon as the payment counter overflows to its zero state, the resulting 8-bit payment digital word stored in the ISN register 326 is loaded into the IGN counter 368, and this counter is also provided with location pulses from the speed and position display arrangement 210 progressed step by step.

As soon as the IGH counter 568 In. its full state overflows, an ignition signal is generated on line 369, which causes the high voltage generator 130 a High voltage detected. Connection 134 of the distributor 132 is transmitted (Fig »2) .- At this point the rotor 136 of the distributor 132 passes the electrode 141, so that the spark plug S1 is ignited. In this example causes the value of the resulting stored in IGir register 326 Ignition digital word ias igniting the spark plug S1 when the piston in cylinder 1 is in its 12 degree BTDC position (Position P in PIg. 6). Of course, the exact position at which the spark plug S1 ignites depends on on the value of the resulting timing digital word.

The timing circuit 320 feetätigt the cylinder 6 in the same manner as ueen cylinder 1. As previously explained, the remaining cylinders are operated in an analogous manner, except Dab the shift register 332 duroh the gate circuit 334 ittrob instead of the INO counter is switched.

409827/0216

... / 43

When the engine is started, the above are described Operations slightly modified by the instructions loaded in program memory 250. As noted before, is the 8-bit speed digital digit that loaded into speed register 216, the engine speed inversely proportional. The speed and position indicator assembly 210 is constructed so that the maximum possible number in the speed register is charged when the engine speed drops below about 300 RPM. As a result, the speed register loaded during the start phase with the number IT in hexadecimal notation. To lower a state To check speed or a start condition, the speed stored in the speed register 216 is used igkeits-Digita! number on register 685 of the multi-digit register 280 transferred. The increment is then formed in register 685 (i.e. the number 1 becomes the register contents added), and the result is checked for a Hull condition. When a hull condition appears the circuit selects the lower speed of the ! Clock generator 366, the pulses with a period of 400 Microseconds generated. An opening time digital number will be loaded into INO register 322, which is the injectors opens at the earliest practicable time. In addition, a long count is loaded into the IND counters 341 to 344, which together with the low speed of the

/ AA

409827/0216. * ^w

" ⁴⁴ " £ 3,496

Aktgenerators 366 generates a fuel signal for each cylinder generated, which has a length of about 20 milliseconds. These A relatively long fuel signal causes the setting a rich mixture of fuel used to start the engine is required * During the starting phase of the engine, the reference counter 367, the IGH counter 368 and the IGN register 326 not used. The trigger signal is obtained directly from the position pulse, which is in the 6-degree BTDC position of each cylinder is generated. This operation is performed by logic gate 370 under control of an I / OF signal brought about that automatically by the position display order 210 is generated as soon as the engine speed falls below 300.

If the throttle is closed and the automatic idle routine has been turned on by the operator, the foregoing procedure is again changed by the instructions stored in program memory 250. During the automatic idling routine, the system maintains the engine speed at a prescribed target speed by changing the duration of the power off signal. The fuel signal duration is repeated by a relatively small adjustment or by a relatively changed small delta value, which is added to the value of the resulting fuel management word or subtracted from this wisd _s around the target speed

7 / Θ216

Of ¹ HOINAL! MSPEGTED

to maintain and maintain. The system basically compares the current engine speed with the last measured engine speed and the target speed, to determine whether the shift value or its inverse is applied to the resulting fuel digital word should be. The shift value or its inverse are combined with the resulting fuel — Digita Iworjfe, such that the engine speed increases continuously up to the target speed. For example, if the Motor speed is greater than the target speed, the last application of the adjustment value the speed has brought closer to the target speed, the adjustment value is repeated. The setting value becomes similar repeats if the current speed is less than the target speed, but the last one Application of the setting value the machine speed increased and brought closer to the target speed. If the last application of the set value is the current one Has moved the speed away from the target speed, the set value is inverted and again with the resulting one Fuel digital word combined to get the Adjust the motor speed to the target speed. The process is illustrated in the following logical diagram A.

409827/0216 originally inspected

Logical flow diagram A.

no

Is the current speed ^ greater than the target speed?

Yes

L2

Is the current speed greater than the last speed?

Is the current speed greater than the last speed?

Yes

■ -13 14 \

Repeat
Setting value

no

Yes

16 »

no

Reverse Einetell worth

Turn ϋίϊη-

value

Repeat Setting value

TJm to achieve this mode of operation saves the

System in the registers is a target number that represents the target speed; ÄEdermag the normal. Represents the size of the resulting fuel digital word. The current speed digit stored in register 216 is also used. Water YerWendung these figures, the system generates iogisobe signals logical decisions 11 Me L6 ea £ ll st @ © B _s shown in diagram A.

... / 47

409827/021

If the. Decisions 13 or 16 corresponding Logical signals are generated, the value becomes the delta digital digit to the resulting fuel digital word added before being used in IND counters 341-344 will. When logic signals corresponding to decisions 14 or 15 are generated, the value becomes the delta digital digit inverted before being added to the resulting fuel digital word.

The following description is given in terms of negative logic, i.e., that of a logic state 1 corresponding voltage level is more negative than a voltage level corresponding to a logic state O.

Each instruction in the program memory 250 is executed during eight consecutive periods of time, denoted by TI -... 18 *, the state of the clock generator lines 394 to 396 (denoted by GH ₉ C12 and CL3) defines the period of time in which the system operates . These timing lines are available to each unit of the system via the information link 380.

The states of the timer lines that represent the eight Define time periods T1 to 18, are in egg properties. 7D in the The order in which they occur is shown. This order will never be modified. The timer lines CiI, C12 and 013 are sequentially controlled by a reflected Gray code in which only one line is currently in its state changes.

... / 48

409827/0216 ■ "

Information is transmitted within the system via a time-division multiplex information line 380 and an assigned Speieber carried out. In addition to data lines 381 through 388, each unit of the system are accessible, the line 380 contains the control line 390, which transmits a WRTB instruction, which allows any unit of the system to place data in an 8-bit line hold circuit (interlock) 264. i) The data available on the data lines vary accordingly the period and the instructions carried out as follows:

Period T1: The lines of the main connection route are active low impedance devices in the 1 states are loaded.

Period T2: data from the program memory 250

are brought onto main link 380. These dates

en
are the code for the instruction / which are during the ongoing

T-period sequence are to be executed.

Period T3: The lines of the main connection route 380 are through active low impedance devices loaded into the 1 states.

Periods T4 to T8: When the instruction to be executed is a single word instruction, those in of the associated 8-bit master link lockout Data brought to the main connection path. All instructions are single word instructions with the

... / 49 409827/0216 originally inspected

Exceptions from JMPM, ¥ BSI, JMPO, JMPI, -JMP2 and JMP3.

Periods 14 to 15: (double word instructions). In the idle state, the main connection path is skipped. In this state, the lines of the main connection path become held in the 1 state (which it brought to at T3 by means of pull-up devices with sufficient control for feeding any residual currents required by the system.

Periods 16 to T7: (double word instructions). Data from the program memory 250 are brought onto the main connection path.

Period T8: (double word instructions). The main connection path returns to the idle state described above return.

Each unit in the system can communicate with every other unit by transferring 8-bit data words / to the. Main link inhibit circuit 264 over the main link get in contact. The unit that needs the transfer of data brings them during execution some instructions in the main connection holding circuit, and the entity that needs data reads it during the next or several future instruction executions from the main connection path.

Data are shown in the main connection path as follows:

... / 50 409827/0216

Some time before period 16 , WRTB line 390 is brought low. This line is held in its 0 state during the period T8 and released in the period T1 of the next instruction. The main link inhibitor 264 is set on all 1 states and the lines of the main link are brought to the 1 state by active devices whenever the line 390 goes to its 0 state during the period T6. The data stored in the blocking circuit of the main connection path are transmitted to the main connection path at the time period T7 and retained during the time period T8. The data is removed at the end of the T8 period.

The main units of this system, which are connected to one another via the main connection path according to FIG. 2, are described in more detail "below with reference to FIGS." 7A to 15D. Many electronic elements are common to these figures. For example, the figures describe NOR gates K1-F727, inverter 11-1290, D-type flip-flops D1-D60, bipolar Transistors T1-T25, MOS field effect SEansistors M1-M112, Capacitors 01-C2 and resistors R1-R179.

The data store 170 is more detailed in the Pig. 7A and 7B. As you can see from the figures, Address lock 178 includes bit locks 402, 404 and instruction locks 180 bit locks 406, 408. These locks

... / 51 408S27 / 0216

23495

along with all of the other 4-bit locks in the system are more detailed in the Pig. 7E shown.

The data memory 170 further includes gates 410 which store external data in a conventional manner allow entry into the storage units. A data input line 412 and a memory weighing line 414 control the memory when data is read into the storage units from an external source. A connection with the Program sequencer is via a main program address link 416, which includes lines 421-428. A main memory address connection path 430 provides a means of arranging digital words at a particular address within the injection memory units 432 to 439 and the ignition storage units 442 to 449 (Fig. 7B). Each of these units comprises one conventional 256-bit memory such as the No. 1101 spreader part manufactured by Intel Corporation.

Unit select gates 464 feed select lines 450 or 451 to determine whether the injection storage units or the ignition memories process their data transferred to the trunk line, lines 452 to 455 provide additional paths for transmitting signals between certain ones. Elements of the data store.

The data memory 170 according to Pig. 7B also includes a time decoding circuit 460 and an instruction decoding circuit 462.

409827/0216 ... / 52

The analog / digital unit 190 according to Pig. 8A to 80 includes a voltage source 470 which is a voltage line 471 with +15 volts and a voltage line 473 with -15 volts supplied. In addition, a conventional regulator 472 provides a supply voltage of approximately 10 volts available that biases the throttle valve potentiometer 194. The input multiplex device 191 determines which of the input channels (input channels) 0 to 3 the facility is to be analyzed. The output of the multiplex device 191 is connected to the Analog / Digita1 converter 193, which can be one of the standard models, for example the model Ir-8B-1-B-1, which can be used by Data! Systems, Inc. is manufactured. The converter 193 includes also the A / D register 198 shown in FIG.

Unit 190 also includes a voltage level shift circuit 478, an output enable gate 480, a Input line select lock 482, a voltage level shift circuit 484s, an input scan gate 486, and an output lock 488.

Like in Pig. 80, the instruction lock includes (hold) circle 218 4-bit locks 490 and 491 of the in prop. 7E. Time decode gate 492 and instruction decode gate 494 are used to operate the unit 190 over the main communication path, lines 496 through make further connections between different elements of the circuit.

409827/0216, ^m " ^{/ 53}

234967Q

The Pig. 9A shows the lactation sequence generator 214 in detail. The generator comprises a precision crystal 531, which operates at 2.56 megahertz and whose output signal is divided by 8, to produce a control signal of To generate 320 kilohertz. The control signal is used to generate time segments (time periods) T1 to T8, with a duration of 1562.5 uanoseconds, the one Corresponds to a time segment frequency of 640 kilohertz or a number of 80,000 instruction executions per second.

Referring to Figure 9B, the speed register includes 216 registers 530, 532. The arrangement 210 also includes up counters 534, 535, a down counter 536, a full adder 537 and an accumulator 538 * which are all connected together as shown.

Referring to FIG. 90, the arrangement includes 210 furthermore time decoding gate 540, instruction decoding gate 542 and an instruction lock 544 which controls the operation of the device from the trunk.

An output driver hold 546 enables the speed register 216 to transfer data onto the trunk. Connect lines 548 to 561 different elements of the arrangement with each other.

In the pig. 7B, the sheet O memory 252 includes Memory units 563 to 570 and the BIatt-1 memory 256 Storage units 573 to 580. Each of these storage units is identical to the units of the Züaäungs satellite memory

ORIGINAL INSPECTED

ο ο ο / pT "

-54- 2349 ^ 70

In Figure 7A, leaf select lines 272 include lines 582 and 583 associated with the sequencer are connected and transmit the dial signals to the sheet-0 and sheet-1 memories via lines 584 and 585.

Referring to FIGS. 10A and 10B, the program counter 262 comprises the program sequencer 260 conventional 4-bit counters 590 and 591. The program sequence device also includes lockable, non-inverting buffers 594-601, which are described in greater detail in FIG. 1OE shown are.

As previously explained, the main link barrier 264 provides a facility for each unit of the system that transmits data over the main link. Me HauptY @ rtiii (3si &gs'w @ g ~ Sp © rre also has locks of type ₉ as shown in fig. 10D-.

In the Pig »10A, cSIe RJMP lock 266 includes 4-bit locks 604 and 605? InstrulrfcioasspeEE® 268 includes 4-bit locks 606 and "607 et al. Spruag lock 608 - includes 4-bit locks 610 and 611" standard locks, see the AEt _{0 shown in Pig 7E}

Ib the? _{Ig o} 1OB also encompasses the program sequencer 614 and a ping amplifier 617. Sheet selection gate 27O'i-yes, either the sheet-O or sheet-1 messages eat iKog memory. the

INSPECTS)

cc / 55

234967Q

in the Pig. The remaining gates shown in FIG. 10B are used for instruction de-coding purposes. The program sequence installation also includes lines 618-646 connecting the various units of the circuit together associate.

The increment and complement circuit 284 of the multifunction register x 280 is shown in detail in FIG the pig. 11A shown. The circle includes memory award gates 650, which enable a short-term (intermediate) storage lock 652, in the complement selection gates 654 used to store information about the puncture complementing the on their To carry out data transmitted to the inputs. An incremental Means 656 adds 1 to the least significant bit of the data identified by the Select gate 654 the complement is formed.

In the pig. 11B includes the multi-purpose registry 280 also select gate 658, main link precharge gate 660 and data output gates 662. The load gates 660 are controlled by a buffer amplifier 663. ·

The general purpose register 280 also includes time decode gates 664 and instruction deodorant gate 666 (see Pig. 11C). The instruction lock 288 consists of 4-bit locks 667 and 668 in Pig. 7E shown.

... / 56 409827/0216

- 56 - 2349S7Q

The general purpose register 286 comprises register units 670 to 685 (see FIGS. 11D and 11E). Each of these register units comprises eight circuits of the type shown in Fig. 11H,

The general purpose register 280 also includes register decode gates 688 (see Figure 11F). That shown in Fig. 11F Zero register display gate 282 comprises a multi-input NOR gate. In addition, lines 691 through 762 are used to carry signals between the various elements of the general purpose register to question.

Yoll adder 304 comprises eight circuits of the type shown in detail in Fig. 12S (Fig. 12A). The arithmetic unit 300 also includes selection gates 768 which determine the origin of the data contained in the adder 304 must be added. Enable gates 770 transfer data on the main link to adder 304. On I-adding circuit 772 adds 1 to the total in the Counter 304 when the value stored in the carrier bit or link bit registers is 1.

FIG. 12B describes in detail an output circuit for transferring data in the SHA or SKB registers stored data on the main connection line. The SHA register 306, the carrier bit register 308, the SHB register 310 and a link bit register 312 are in detail shown in FIG. 120. Each of these registers includes a or several D-Elip-Flops ",

... / 57 40 9827/02 16 OMQINAL INSPECTED

The arithmetic unit 300 also includes a latch register 774 and selection gates 776, the Data from the buffer register or from the main connection path to the SHA or SHB registers (Fig. 12D).

The instruction lock 302 of the arithmetic unit 300 (Pig. 12E) comprises locks 764 and 765 of the in 7E. Time decode gate 778 and instruction decode gate 780 are also in the Pig. 12E shown. In addition, signals between the various Elements transmitted over lines 782 to 862.

The IHO-register 322, the INO-counter 330, the shift register 33 ² »oiler logic circuit 333 and the Torsteuerungsscbaltkreis 334 are detailed in the Pig. 13A shown.

The injection section of the timing circuit (Pig. 13A to 13D) also includes a motor synchronization circuit 864, which is the motor synchronization conductor 866 switches to its 1 state when cylinder 1 or 6 is 6 degrees before TDC (top dead center).

IMD counters 341 to 344, the output logic circuits 361-364 and the clock generator 366 are in more detail in Pig. 13B shown.

IND register 324, correction registers 351 to 358 and the adder 360 are more detailed in the Pig. 13C shown. The adder 360 includes a 4-bit increment forming Facility 885, the four most significant

... / 58. 409827/0216

ORiGSNAL INSPECTED

- ⁵⁸ -. 2349G70

Bits of the IND register 324 is connected, a 3-bit full adder, the carry output of which is connected to the increment forming device 885, and a half adder 887, all of which - as shown - are connected to one another.

The instruction lock 328 includes instruction locks 866 and 867 of those in Pig. 7E shown species (Pig. 13D). The injection portion of the timing circuit 320 additionally includes instruction decoding gates 868 and timing decoding gates 870. Signals are transmitted between the various parts of the timing circuit by conductors 872-884. Additional Connections between the elements of FIGS. 13A through 13D are indicated by the same time and instruction letters (symbolic machine names) that are assigned to the same ladders.

The ignition control portion of the timing circuit 320 is in the Pig. 14A and 14B ,, love the components shown in Fig. 3A includes the circuit further impulsnormalisierende gate 89O _9, the damper position pulses transform into pulses of equal length, starting with the time period (time interval) T7. As shown in Fig. 14-B, instruction lock 371 includes 4- = BIt instruction locks 892 and 894 of that in Pig. 7E. The circuit also includes time deooing gate 896 and an instruction deo deoing gate 898 ', signals are transmitted between the various elements of the Sohaltkseie over conductors 900-906.

ORIGINAL INSPECTED

The input / output circuit 372 comprises an output register OR1 (Pig. .15A), which consists of flip-flops D45 Ms D51, andjfein output register OR2, which consists of flip-flops D52 until D59 exists. The output registers operate a lamp control circuit 908, which feeds an incandescent lamp for each flip-flop of the output register. Such lamps are shown as examples at 909 and 910 in the drawings.

Circuit 372 also includes main link driver circuitry 911 (Pig. 15B) writing data on the trunk. A gate circuit 912 writes data in a predetermined position of 16 bit positions, and a gate circuit 913 clears the data in a predetermined one of 16 bit positions Data and the bit position are determined by an instruction from the program memory.

Circuit 372 includes 16 input lines to 932 (Fig. 15C), each of which has a Hanase holder, for example switch 934, is controllable and is biased via a resistor, for example resistor R199.

The input lines are, like the lines 0-F, marked by hexadecimal notation. The input lines are divided into two groups of eight lines each. A selection circuit 914 selects either one or the other group for reading data into the system. One other selection circuit 915 samples a predetermined line of the input lines and sends a SKIP instruction (skip instruction)

.O. / 60 409827/0216

one if sioh the scanned line in a logical 1 state. For example, circuit 915 scans conductor 922 in response to an SKB5 instruction and initiates a SKIP instruction via the conductor 391, when the conductor is in its logical 1 state.

The circuit 372 also includes an instruction lock 936 (Fig. 15D) made up of 4-bit locks 937 and 938 in Pig. 7E consists of a time Deoodier circuit 939 decodes those over timer lines 394 up to 396 transmitted split times. The one in Pig. The remaining circuitry shown in Figure 15D is for instruction decode token. This circuit contains 8 blt locks 937 and 938 which serve a dual purpose. Set or delete the locks individual bits in the output registers OR1 and OR2, and they key individual bits in the input lines 917 up to 932. Determine instructions from the program memory, which bit the trap circuits act on.

As explained earlier, this works in the drawings described system in accordance with the operating instructions, which are stored in the program memory 250 and by the program sequence device 260 of a sequence control subject. The system is able to execute each of the instructions defined below:

... / 61

A 0 9 8 2 7 7 0 2 1 B

234967

Command real command ,

f espeiober in the description of the command rogrammspeiober

ADDA ADDB ADDI ACYA AGYB CLBS CEBX

CLCY COKT IRGX

JMPB

JMPM

60

61

62

63

64

50

AX

65 80 oz

51 52 Add trunk line to SHA register

Add trunk trunk to SHB register

Add 1 to the SHB register if the link bit is set

Add 1 to SHA. If the carrier bit is set (reset carry)

Add 1 to SHB if the carrier bit is set (reset carry)

delete trunk to zero

delete (reset) bit χ from 1β-bit I / O output

Clear carrier bit

Do A / D inversion

Form the increment from register χ (add 1)

Jump to the leaf address received from the main connection line is

Jump and mark address that is the jump address before the RJMP command (save return) follows

... / 62

409827/0218

234967Q

command

Real order «

saved in the description of the command

Machine word program memory

JMPO JMPI JMP2 JMP3

LIO LINO LRGX L0R1

L0R2

LSHA

LSHB LSPK

LiD 16

54

55

56

57

96

1X

78

79

66

67 Jump to sheet — address on Sheet 0, contained in the next word

Jump to sheet address in sheet 1, contained in the next word

Jump to sheet address on sheet 2, contained in the next word

Jump to page address on page 3 »contained in the next word

Load injection duration (IKD) register

Load Injection Open Time (HO) register
Load register X from the main

binding way
Lay output register 0R1 from the trunk line

Load output register 0R2 from trunk

Load SHA registers from main link

Load SHB registers from trunk

90 Load ignition timing register 326 from main link

91 Load correction registers 351 and 356 from trunk _

409827/0218 ... / 63

2349G7Q

command

Ma s ο b in word

Real order

f itstored in
rogramaspeleber description of the command

LT53 LT47

LT28

RJMP RSiDO RSO? 1 RST2

SBTO SBT1 SBT2

SELO SEH SEL2 SEL3 SENO

92 93

94

58 89 8A 8B

86

87

88

8Έ 8D 80 82 load correction register 355 and 353 from the trunk

load correction registers 354 and 357 "from trunk

Load correction registers 352 and 358 from trunk

Return to the last highlighted address (by JMPM)

Reset A / B output bit 0 ■

Reset A / D output bit 1

Reset A / D output bit 2

Set A / D output bit 0 Set A / D output bit 1 Set A / D output bit 2

Select channel 0 for A / D Select channel 1 for A / D Select channel 2 for A / D Select channel 3 for A / D button A / D input bit 0, if 1 SKIP 2

... / 64

409827/0216

Command machine word SEN1 SEii2 SEN3 SKPC

SEE ¹ I.

SHE2

SHE ¹ ?

EOOP

SKBX SKNC SLi ¹ C

SRGX

Real command , stored in the program memory

83

84

98

68

69

6A

CX

6B

97

2X

Description of the command

Key A / D input bit 1 down, if 1 SKIP 2

Press A / D input bit 2 down, ■ if 1 SKIP 2

Press A / D input bit 3 down if 1 SKIP 2

Choose high frequency clocks to timing the injectors

Shift SHA and SHB by 1 to the left (by jumping back and carrying (thru link and carry))

Shift SHA and SHB 2 to the left (by jumping back and carry over)

Shift SHA and SHB 3 to the left (by jumping back and carry over)

Feel out ΙΊΟ operation. These is used to create spaces or spaces, either for SKIP-type instructions or if the need for future Program changes in special instruction sequences is anticipated, SKIP2, if bit X of the 16-bit 1/0 1 is

SKIP 2 if the carry is not set

Selects the low frequency clock generator for timing the injectors SKIP2, Ήθϊΐη register X 0 is

409827/0216 ... / 65

command

Ma s c ta ine word

- 65 -

Real command , saved in the program memory "h" er

Description of the command

TRGX

WBSI

WDT1 WDT2 WIR1 WIR2 WISP

WRAD WRBX

WRGX

3X

53 70

71 7A 7B

72 81

BX

4X Form the ZWEIER completer τοπ register X (negate)

Write the content of the next word on the main connection path

Write data from the injection data memory on the main connection line

Write data from the ignition data memory to the trunk

Write input register 1 (16 bit I / O) to main connection (transmission) v? eg

Write out input register 2 (16 bit I / O) on the main connection (transmission)

Write engine speed on main connection route Write the results of the A / D conversion to the main connection (transmission)

Write (set) bit X from 16 bit I / O

Write contents of register X to main connection (transmission) path

... / 66

409827/0216

Command real command ,

f espeiohert in the .. program memory Description: of the command

WSHA 60 Write content from SHA-Re-

gister on the main connection route

WSHB 6D Write contents of SHB-Re-

gister on the main connection route

The previous instructions were used to develop a program to be run by the program sequencer which controls the system in the manner previously described.

Program

General Purpose Tab Assignments

Register 670 (0) RX: W4
Register 671 (1) RT: W1

Register 672 (2) used to enter INTERP INJ (OO) / IGN (01)

(INJ injection, IGN ignition) to display

Register 673 (3) TEMP used by INTERP Register 674 (4) not used

Register 675 (5) ICNT for auto-idle routine Register 676 (6) Multiplier for both MTIT routines:

TEMP

409827/0216 " ^JS1

Register 677 (7)

Register 678 (8)

Register 679 (9)

Register 680 (A)

Register 681 (B)

Register 682 (C)

Register 685 (D)

Register 684 (E)

Register 685 (-E)

- 67 - ■

234967Q

¥ 3 ¥ 2

Auto-Idle Routine Delta LRPM (previously RPM) for auto-idle Ignition 3 blank value Injection failure value

continuous open counting of the injection device TI: APi

Motor speed: XI: return to Interpolate: TEMP

Switch provision

(0) Source / Destination (S / D) Switch (LSB)

(1) Source / Destination (S / D) switch

(2) Source / Destination (S / D) Switch (MSB)

(3) Show data from the one specified by S / D switches Source

(4) Carry data to the destination specified by S / D switch a

(5) Output current ignition timing

(6) Output current injection duration (8) LSB data entry switch

... / 68

£ 09827/0216

(1.5) MSB data entry switch

Program memory ^ address

Sheet address command on the
page

SiDRT OOO:

Command performed operation

Masohi-

neimame

00

53 Start WBSI 88

0 01 88 LT16 0 02 91 LT53 0 03 92 LT47 0 04 93 LT28 0 05 94 OLBS O 06 50 LORI 0 07 78 L0R2 0 08 . 79 LRGB 0 09 1B LRGC 0 OA 10 LRG9 0 IF 19th LRGA 0 OC 1A RSTO 0 OD 89 RSTI 0 OE 8A RST2 0 OE 8B WBSI EO O 10 53 0 11 K) LRGD 0 12th 1D

Preset all correction registers to the center point

clear 16-bit output register

Zero-defect values

Preset auto idle

clear A / D output bits

Preset opening time counter register (INO) 322

409 8 27/0216 ... / 69

23496

Program-
Storage
address on the command command Sheet address page Machine 13th name 14th 55 Be
start JMPI
DSPLY 0 15th G3 0 72 OQNT WISP 0

16

17th

18th

1P

OP

2P

LRGP

IRGP

SRGP check for display request and data entry

Write masohinen speed from speed register 216 on main trunk

Save it in register 685 (save it after register 685

Check for too low a speed by generating increments of register 685

Zero test (speed below the nominal value = starting speed)

19th

1A
1B

10

1D
1E

54

27 97

53

GE 96 JMPO path for speed not ENH '

below the setpoint

Select SLPG low frequency of clock generator 366

Find the WBSI CE 20-mseo injection duration -

LIND To the main injection duration (IND) register 324 give

409827/0216 ... / 70

Program memory ^ adresae . -

Leaf address Befebl command operation carried out on the mascbi- side name

O 1Ϊ ¹ 53 WBSI I ¹ O Find a quick opening time count

0 20 PO

O 21 95 LINO For injection opening time (INO) -

Enter register 322

0 22 53 WBSI 6 ° before TDC (top dead center) to

^os * Find ignition timing setting (for output)

At ignition timing (IGIT) ^ register 326 give

Monitor masohine speed

O 23 81 LSPK O 24 90 JMPO
Beginning O 25th 54 O 26th 13th SKB ¹ C O 27 98

Select the high frequency of the clock generator 366

0 28 66 LSHA Start calculating the

Speed index (XI)

Change engine speed value to scale for map control

routine

Program-
Storage
address - command 4093 Be fΘ b1 τι * i j_ _i_ JLU £ w ö £ 3 C name Öeiie 50 CLBS 0 29 67 LSHB 0 2A 27/0216

^aug ge ^fübrt e Operation

Program memory address

Leaf address command command operation carried out on the Masebi

name

O 2 B 6A SHP3 O 2C 6A SHF3 O 2D 68 SHF1 O 2E 65 CLCY O ZS 4P "WRGI ¹ 0 30th 61 ADDB O 31 6D WSHB

Form WISP / 2 in SHB

34 35

6B

53

IT Hehme WISP + 1 from Reg. 685 SHB = WISP + (WISP / 2) +1

Get results on the top of the line

SKNC check for carry over (speed above starting speed, but low)

WBSI IT Show the lowest possible Card speed

LRGP

Card Kotttroll Routine

37 38

8P

80 50 SELO Select channel 0 to A / D converter (throttle valve channel)

CONV initiate A / D conversion '

CLBS Start by calculating

RX, RY, X1 and Y1

.. »/ 72

A09827 / 0

234967Q

Program-
Oil storage
address
Sheet address on the command command page Machine 39 name O 3Δ 67 ISHB O 3B 4P WRGP 0 3C 66 ISHA O 69 SHP2

3D

3E

45

46

6D

SHF2

WSHB

O 3Ϊ ¹ 1E LRGP O 40 50 CIBS O 41 67 LSHB O 42 69 SHP2 O 43 69 SHP2 O 44 6D WSHB

LRGO

CLBS Clear SHB register 310

Motor speed on main connection line

Motor speed to the SHA register 306

Shift SHA register 306 and SHB register 310 2 bits behind Left

Shift SHA register 306 and SHB register 310 2 bits behind Left

SHB register now has the speed are ex (X1) X1 on register 685

Clear SHB register Shift 4 more bits to the left

SHB register now has residual speed (RX)

RX on register 670 (0) Now take Y1 and RY

40S827 / 021S ... / 73

Program
Spear
address
Sheet address on the command command page Maschi 47 name O 48 67 LSHB O 49 81 ¹ WRAD O 4A 66 ISHA O 4B 65 CiGY O 40 53 WBSI 10 O 4D 10 O 4E 60 ADDA O 4P
50 6B SiOiC O
O 51 54
6P JMPO
ΕΕΓΤ4 O 52 81 WRAD O 53 66
ENT5 LSHA O 54 69 SHF2 O 55 69 SH12 O 56 6D WSHB O 57 1E LRGE O 50 CLBS

Clear SHB register

Check whether the throttle valve is outside the control range

WBSI 10 Bring Eest constant to main connection line

This addition becomes a carry we na the throttle valve opening is too big

i'este whether carry over
Correct if too big

A / D converter results on main connection path

Throttle valve opening value SHA register

Shift left 4 bits

SHB register now contains throttle index (Y1)

Y1 on register 684 (E)

409827/0216 ... / 74

program address command command performed operation address ouch! the Maschi sheet page no nna me 58 67 LSHB Clear SHB register 59 69 SHF2 Shift 4 more bits O Left O 5A 69 SKP2 5B 6D WSHB SHB-Reeister now contains Dros- O O

5D

0 5E 54 JMPO AUTOMOBILE 0 51- 06

60

61

valve residual value (RY) LRG1 RY on register 671- (1)

Siibre auto idle routine durob, if the error delta is not zero, the aim here is to "tune" the injection duration so that one specific engine speed is reached whenever the throttle valve is closed.

SRG9 Bypass auto-idle if

Pehler delta is zero

Jump to the auto idle routine

ENT2 66

Bereohne AF1 (corner address of the map parameters). Save them to Use by the interpolation routine.

WRGi ¹ X1 (speed index) on the main connection line

LSHA Σ1 to SHA

... / 75

409827/0216

23496

Program-
Storage
address address command command performed operation sheet on the Ma sobi page no n.na me 62 69 SHF2 Compute i6xXI (shift 4 O Bits) 63 69 SHF2 0 64 4E WRGE 0 65 60 ADM SHA = I6XXI + YI O 66 6C WSHA 0 67 1E LRGE Save AI ¹ I (AF1 means address O from ϊΐ) Perform map interpolation last through for the injection duration

68

6E

OO

CIBS

O 69 12th LRG2 O 6A 53 WBSI
RET1 O 6B 73 O 60 13? LRGi ¹ O 6D 55 JMPI

Tell the interpolation routine to use the injection map

Give return address to Interpolat ionsrout ine

WGHTS

Go to interpolation
Weight calculation code

Eix-up routine for too big
Y value (throttle valve)

O 6E 53 4th WBSI Overflow jrt for throttle Gode sequence ENT4 Egg ¹ O 70 EI ¹ O 71 54 JMPO Return to nojnalen ... / 76 ENT5 return 09827 / 0216

234967Q

Program memory address

Sheet address command command operation carried out on the machine

name

72 73

76 77

52

40

RET1

66

52

A4 13

ST

WRGO

LSHA

JMPM IUDGE

LRG3

NOOP

O 79 I ¹ P NOOP O 7A EP NOOP O 7B PP NOOP O 7G PP NOOP O 7D PP NOOP O 7E C6 NOOP O 7ϊ 54 SKB6 O 80 85 JMPO
ENT6 O 81

Bring Pehlerwert to HauptverbiadungsIe iteration

Get him in the SHA register for the Pehler test routine

Jump to the Pehler check subroutine (- subroutine)

Save injection duration value
briefly

Do not perform any operation (this command is used to
To leave room for an expected command)

Test for injection duration display request

Path for "No ad wanted"

409827/0216 ... / 77

234967Q

Program memory ^ address

Sheet address befebl command operation carried out on the masohi-

name

82

SBTO

O 83 89 RSTO O 84 IF NOOP O 85 33
ENT6 TRG3 O 86 43 WRG3 O 87 96 LIND O 88 4D WRGD O 89 95 LINO

8A

IRG2

O 8B 53 WBSI
RET2 O 8C 90 O 8D M. LRGS ¹

Generate impulse to load the Register 671 (1) in hexadecimal display

Run Iceine Opxation (leave Plsfcz)

Make complement for injection bardviare (-Components)

Give the injection duration to the injection unit

Record opening hours count

Give them to injection hardware (-Components)

Go to the map and create a new ignition point value

! Parts of the initiation routine with using the ignition card

Give return address to INTERP (interpolation routine)

... / 78

409827/0216

Program-
Storage
address address . command command sheet on the Machine page name 8E 55 JMP1
- INTRP 0 8F 21 0 90 4B
RET2 WRGB 0 91 66 LSHA 0 92 52 JMPM
FUDGE 0 93 A4 0 94 90 LSPK 0 95 FF NOOP 0 96 η; LORI 0 97 FF NOOP 0 98 FF NOOP 0 99 FF NOOP 0 9A FF NOOP 0 9B FF COOP 0 90 05 SKB5 0 9D 54 JMPO
Beginning 0

Jump to INTERP (no weight compensation Entry)

Bring ignition fault to main connection line

Put it in the SHA register for the Febler check routine

Jump to the error checking subroutine (-Test subroutine)

Send result to ignition unit

Output ignition timing to 16-bit I / O

Ignition timing display request test

Go back to the latest data (UPDATE)

40982-7 / 0216 ... / 79

Program »memory address """"

Leaf address command command operation performed, on the Ma B ₁ ChJ page netiname

9E

13 86

O AO O A1 O A2 O A3 O A4 O A5 O A6 O A7 O A8 O A9 O AA O AWAY O AC O AD

89 H? 54

65 PUDGE

53 80 60 6B

54 B4 60

65 6D SBiDO effect (generate impulse for)

bexaäezimal (n) storage (Read out)

RSTO NOOP JMPO Go back to the latest data ^Be S ⁱⁿⁿ

CLCY Start checking for negative error value

WBST80

ADDA SKNC

JMPO MJD1 No carry means positive Pehierwert

Work out negative error value

ADDA Bring February value into SHA register under

CIiGI Begin testing for excess failure WSHB

... / 8O

409827/0216

Program memory address

Sheet address command command operation carried out on the machine

Be iie

name

AE
AF

BO

O B6 O B7 O B8 O B9 O BA

BB

BC

60
6C

6B

65

6Ί)
60
53

01
6B

60

IT

IDDA

WSHA

SEIiC

O B1 53 WBSI
FF O B2 FF O B3 58 RJMP O B4 60
fudi ADDA

CLCY

WSHB ADDA

WBSi 01

SEIiC

WSHA NOOE Bring normal result to main connection line

Jump (feed) is normal, i.e. not worth a miss

If carried over, bring back MAXIMAI value

Exit through entrance
Fix error value feeders

Begin testing for underfault

Mebme worth
Add missing value

Bring Feh! Worth to main property binding line

Check for carry-over (it should normally be a carry-over
to be available)

Bring good (correct) value to main connection

... / 81

0 9 8 2 7/0

234967Q

Program memory "^ address

Leaf address command command operation carried out _% on the Masofai side nennarae

O BD 16 LRG6 O BE 26th SRG6 O Bi ¹ 58 RJMP O OO PP NOOP O 01 53 WBSI
01 O 02 01 O 03 58 RJMP O 04 4P WRGP

05

INTEX

51

0 06 81
AUTOMOBILE 0 07 13th 0 08 23 0 09 54

JMPB

¥ RAD

LRG3

SRG3

JMPO AUT1 Start checking for zero value

Return if the value is not zero

Exit through entrance

Output routine for interpolation (must be on sheet 0) Output for the auto-idle call routine

Bring throttle position to main trunk

Save them briefly for the zero test

Test for a closed throttle

Way for not closed throttle valve

CA

... / 82

409827/0216

Pr ogra mm memory ~ ·
address """

Sheet address command command operation carried out on the machine

name

IF

SR & 5

O cc 54 JMPO
. AUI2 O OD Έ2 0 CE 53 WBSI
DO O CF DO 0 DO 15th LRG5

D1

WISP

0 D2 13th LRG3 0 D3 65 CLCI 0 .D4 53 WBSI
93 0 D5 93 0 D6 66 LSHA 0 D7 43 WRG3 0 D8 60 ADDA

Check for terminated program loop ^ run) Delay control register

Way for incremental delay dieife and exit

Record -48 as soon as transit delay count

Reinitialize run-through delay

Record existing unmodified number of revolutions (RPM)

Save them briefly

Start test for speed above setpoint (target)

(= minus 700 RPM (RPM) = target (target) speed)

... / 83

409827 / Ö216

Program memory address

Leaf address command command operation performed

on the
page

Masofainen name

D9

6B

SKIiC

THERE

DB
DC

O DD O DE O DE O EO O E1 O E2 O E3 O E4 O E5 O E6 O E7 E8 O • E9

54

EI ¹
33

65

AUT4

4-3

66
4A
60
6B
39

49
66
4C
60
6C

JMPO AUT 3

TRG3

CICY WRG3 LSHA

ADDA SKUC TRG9 NOOP WRG9 LSHA "WRGC ADDA WSHA No carryover if the speed is greater than the set speed

Way for existing rotational speed that is lower or is equal to the target number of revolutions

Distance for the present number of revolutions (RPM), which is greater than the Target (target) Uoid speed is

Delta = -Delta

Take Eeblwert Delta. on

Record injection duration mistake value Modify the value by delta

Bring modified value to main route of communication

409827/0216 ... / 84

23496

Program memory ^ aclresse "*" *

Leaf address command command operation performed. on the machi-

name

EA

EB

EG

1G

TA

LRGC

WISP

ISGA

O
O ED
EE 54
60 JMPO
EMJ2 O BF 3A
ΑΠΤ3 ! ERGA O FQ 54 JMPO
AÜT4 O SI DD O E2 05
ΑΠΪ2 IRG5

JMPO

0 1 * 4 60 ¥ BSI
01 0 53 0 01 LRG5 0 Τι 15th

Bring up injection mismatch state of the art

Bring unmodified motor speed on main connection line

Save them as LEIPM, last RPM

Return to the main program:

Reverse LRPM: Comparison test of the current speed (RPM)

Bring pass delay control up to date

Return to the main program

Set long closed initial throttle valve delay

... 785

40 9827/0216

'Program memory ^' address

Sheet address command command operation carried out on the machine

name

F8 Έ9

1 OO 1 01 1 02 1 03 1 04 1 05 1 06 1 07 1 08 1 09 1 OA 1 IF 1 OC 1 OD 1 OE

54 JMPO ENT2 60 STRiE 256: 50 CLBS WGHiDS -

Return to the main program

Go to sheet 1 to write the interpolation routine

Compute W1 ... W4

66 LSHA Initialize for multiplier routine 67 LSHB 40 WRGO RX on trunk line 16 LRG6 RX to multiply register 676 41 WRG1 RY to the main connection line
(Multiplicand) 52
6C JMPM
SMJLI Form RXxRT 69 SHTC. Divide by moving in the SKB register 69 SHF2 6D WSHB SHB = RXxRY / 16 = W3 17th LRG7 Save ¥ 3 30th TRGO Bild.e -RX 31 TRG1 Make -RY 41 WRG1

409827/0216

... / 86

2349370

Program-
Storage- ·
aaresse on the command command performed operation. Sheet address page Masohi- OP name 10 61 ADDB SHB = -RY + RYxRY / 16 1 11 6D WSHB 1 12th 18th LRG8 1 13th 38 TRG8 (8) = RY-RXxRY / 16 = W2 1 14th 40 WRGO -RX 1 15th 61 ADDB SHB = -RX-RY + RXxRY / 16 1 16
17th 53 " WBSI 10 16 (constant) 1 18th 10
61 ADDB / -HX
SHB = Ie-RY + RXxRY / 16 = W1 1
1 19th 6D WSHB 1 U 11 LRG1 fi) = W1 1 1B 47 WRG7 C7J = RXxRY / 16 1 1G 67 ISHB 1 1D 40 WRGO -RX 1 1E 61 ADDB SHB = -RX + RXxRY / 16 = -W4 1 Ii ¹ 6D WSHB 1 20th 10 IRGO 1 21
22nd 30th TRGO [O) = RX-RXxRY / 16 = m 1 50
INTRP
66 OLBS
LSHA Start interpolation "
Initialize for MuH
routine 1
1

... / 87

409827/0216

ORlGlMAL! NSPECTED

Program memory address """

Sheet address command command operation carried out on the masohi-

aenuame

1 23 67 LSHB 1 24 41 1 - 25th 16 LEG6 1 26th 4E LEGE 1 27 22nd SEG2

28

55

¥ 1 to multiplier register 676 Get Ai ¹ I

Test for injection or ignition input

JMP1 way for ignition input

1 29 60 WDT1 Take ΕΊ ^ οη 3 injection card 1 2A 70 JMPM ¥ Repeat the summing routine with
double precision to ¥ 1x3? 1
to build 1 2 B 52
IHT2 1 2σ 6C ¥ RG8 [8J = ¥ 2 1 2D 48 SIG6 ¥ 2 to multiplier register 676 1 2E 16 IEGE Calculate A \ I? 2 = Jö? 1: +1 1 2F QE. ¥ EGE Get AE2 1 30th 4E SEG2 Test for injection or ignition> -
dung input 1 31 22nd JMP1
INT3 ¥ eg for ignition material input 1 32 55 * 1 33 63

409827702t6

234967Q

Program-Speiofaeraaresse

Sheet address command command operation carried out on the masohi-

name

1 34 70 WDT 1 i
1 35
36 52
INT4
6C JMPM
SMULT 1 . 37 40 WRGO 1 38 16 LRG6 1 39 60 WSHA 1 3A 13th LRG3 1 - 3B 4E WRGE i 30th 66 IfSHA 1
1 3D
3E 53
OP WBSI
03? 1 3F 60 ADDA 1 40 60 WSHA 1 41 1E LRGE 1 42 43 WRG3 1 43 66 LSHA 1 44 4E WRGE 1 45 22nd SRG2 1 46 55 JMP1
INT5 1 47 66

Take Έ2. from injection card form W1x3? 1 + W2x]? 2

W4 to the multiplier register

Save the contents of the SHA registers

OP = 15

Compute A3? 4 = A3? 2 + 15

Reset SHA register Get AP4

Injection or ignition input test

Way for ignition input

409827/021 6 ... / 89

Program storage address """

Sheet address Befebl Befebl operation carried out, on the Mascbi side name

1 48 1 49 1 4A 1 4B 1 4C 1 4D 1 4E 1 4P 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58

70

¥ DT1

52
INT6
60 JMPM
SMOTUE 47 ¥ RG7 16 LRG6 OE LR&E 4E ¥ RGE 22nd SRG2 55
69 JMP1
INT7 70 ¥ DiD1 52
INT8 JMPM
SMULT 60 69 SHF2 69 SHF2

4E

66

¥ RÖE

LSHA Fehme P4 from injection card Form ¥ 1xP1 + ¥ 2xP2 + ¥ 4xP4

C7] = ¥ 3

¥ 3 to the multiplier register Calculate AF3 = AP4 + 1

Test for injection or ignition inputs

¥ eg to the ignition input

Take P3 from the injection card. Form ¥ 1 xP 1 + ¥ 2xi ^l 2 + ¥ 4xi ¹ 4 + ¥ 3xi ¹ 3

Other result to scale

SHB = (¥ 1 xJ? 1 + ¥ 2xl'2 + ¥ 3xi'3 + ¥ 4xi ¹ 4) / 16 = f 0

Start by relocating AF1

... / 90

A09827 / 0216

234967Q

Program memory ^ address

Leaf address Befebl command operation carried out on the masohi side name name

59

1 5A 1 5B 1 50 1 5D 1 5E 1 53? 1 60 1 61 1 62 1 63 1 64 1 65 1 66

67

68
69

6A
6B

53

Egg ¹ 60 60 1E 54 04

71 INT1

55

2 B

71

INT3

55

35

71 INT5

55

49

71 INT7

55

WBSI Bring -17 on trunk to subtract ΑΙΊ

53

Egg ¹

ADDA WSHA LRGE

JMPO IKTEX

WDT2

JMP1 INT

WDT2

JMP1 'INT4

WDT2

JMP1 INT6

WDT2

JMP1 INT8 Subtract

Exit to the call routine

Take 3? 1 from the ignition card Take P2 from the ignition card. Take P4 from the ignition card

Take P3 off the ignition card

409827/0216 ... / 91

ORIGINAL! NSFECTfZD

Program memory address

Leaf address command command operation performed

Masohi-

on the
page

name

1 6C 1 6D 1 6E 1 6F 1 70 1 71

72

26th

SMULT

55

70

58

36

SML1

65

SML2

60

SRG6

JMP1 SML1

RJMP

TRG6 ClCY

ADDA

1 73 64 ACYB 1 74 06 IRG6 1 75 26th SRG6 1 76 55 JMP1
SML2 1 77 71; 1 78 58 RJMP

Multiplier subroutine (subroutine) or summing routine double precision that performs multiplication during the fO calculation

Check for zero multiplier way to continue

Immediate exit if multiplier Is zero

Initialize sole loop control

Perform double precision summation the end

Bring loop control up to date

Check for degraded loop

Way to the port drive in the loop

Exit through entrance

409827/021 B ... / 92

Program memory address

Leaf address command command operation performed. on the Mascbi

name

Start by checking for data display and input requirements.

1 89 03
DSPLY SKB 1 8A 55 JMP1
DSP1 1 8B BO 1 8C 52 JMPM
SDADD 1 8D 93 1 8E 53 WBSI
DSPX 1 8P 9E 1 90 61 ADDB 1 91 6D WSHB 1 92 51 JMPB 1 93 7A
SDADD WE1 1 94 66 LSHA 1 95 6A SHP3

Check for data viewing request

Path for 'No data display request' ¹

Take source (primary) address

Take the base address of the display routine

Calculate jump size

Bring them to trunk

Jump to jump address

Compute source (primary) / destination (destination) address

Get rid of the most distinctive 5 bits

409827/0216 ... / 93

234967Q

Program memory address

Sheet address command command operation carried out on the masohi-

name

97 98 99 9A 9B 90 9D

9E

AO A1 A2

A3 A4 A5

A6 A7 A8

69

50

67

6A.

6D

68

61

58

45 DSPX

55

B6 49 55

B6 4A 55

B6 4B 55

SHP2 GIBS LSHB SHP3 WSHB SHP1 ADDB RJMP

WRG5

JMP1 Dout

WR & 9

JMP1 Dout

JKP1 DOTJT Delete SHB

SHB -is ^ ets S / D bits Copy to main connection line SHB = 2xSHB SHB = 3x (S / D bits)

Subroutine return

Take LONT for display

Take Delta

WRGA take LRPM (previously RPM (speed))

WRGB take ignition error value

JMPI Dout

409827/0216 ... / 94

234967Q

Program-
Spear
address address command command sheet on the Maschi page no nna me A9 B6 " 1 AA 4C WRGC 1 AWAY 55 JMP-1
Dout 1 AO B6 1 AD 4D WRGD 1 AE 55 JMP1 -
Dout 1 AI ¹ B6 1 BO 72 WISP 1 B1 55 JMP1
Dout 1 B2 B6 1 B3 82 SELO 1 B4 80 CONY 1 B5 81 WRAD 1 B6 78
Dout L0R1 1 B7 86 SBTO 1

Take egg injection error value

Take ongoing opening time counting

Write unmodified engine speed for display

Select channel 0 to A / D (throttle valve)

Initiate A / D conversion

Bring A / D results to trunk

Load output register 0R1

Provide (generate pulse for) hexadecimal display

B8

89

RSTO

409827/0216 ... / 95

Program-
Storage
address address command Befebl performed operation sheet on the Maschi page no nna me B9 IT NOOP 1 BA 54 JMPO
COFT Return to the main program 1 BB 15th 1 BC C4
DSP1 SKB4 Check for data entry request 1 BD 54 JMPO
CONT Return to the main program 1 BE 15th 1 Bi ¹ 52 JMPM
SDADD Get destination address 1 CO 93 1 C1 53 -VfBSI
INDX Use the base address of the input
routines 1 C2 C7 1 C3 61 - ADDB No jump address 1 C4 6D WSHB Bring them to main connection 1 management C5 65 CLCI 1 C6 5 ¹ JMPB 1 C7 7B
I] JDX WE2 Enter correction register 351 and
356 1 C8 91 LT16 1 C9 6B SKNC 1 CA 7B WE2 Enter correction register 355 and 1 353

409827/0218

... / 96

234967Q

Program memory ^ ' address

Sheet address command command operation carried out on the machine

name

1 GB 92 LT53 1 CO 6B. SKNC 1 CD 7B WE2 1 CE 93 LT47 1 Ci ¹ 6B SKEiC 1 DO 7B WE2 1 DI 94 LT28 1 D2 6B SEtTC 1 D3 7B WE2 1 D4 1B LRGB 1 D5 6B SKNC 1 D6 7B WE2 1 D7 1C LRGC 1 D8 6B SKFC 1 D9 7B WE2 1 THERE 1D LRGD 1 DB 6B SKNC 1 DC 7B WE2 1 DD 19th LRG9 1 DE 54 JMPO
CONT

Enter correction registers 354 and 357

Enter correction registers 352 and 358

Input ignition error value Load injection error value Goodbye injection opening timing

Load Auto-Idle Delta Return to the main program

15th

409827/0216 ... / 97

Much of the indan command definitions and information included in the program is contained in the drawings. The output signals of the various instruction decoding circuits have been labeled with the instructions which have been decoded by the circuit. The output signals from Zeit-Deoodi@r-Sohaltk33a.se are also labeled with the different time segments (columns, intervals.)! P1 to T8 deüodiert at the output. Instruction decode tables 70, 8D, 9D, 100, 11G, 12P, 13E, 140 and 15E are also included to facilitate interpretation of the drawings and to show the detailed operation of circuit zn .

For example, the Mg. 70 indicates that the command (instruction) WDII from the data memory 17O _{9 of} the in the S ¹ Ig. 7A and 7B is executed. As indicated in the instruction definitions, the data is written from the injection data memory to the main connection path (line) during the WDI1 instruction. The exact way in which this instruction is carried out is in the Pig. 7A and 7B shown by the notation of Boolean algebra.

The time decode circuit 460 and instruction decode circuit 462, see 3Pig. 7B, operate to switch conductor 452 to its 1 state below the following condition, which is written in the boolean notation

... / 98 409827/0216

Algebra is written and indicated on conductor 452 as s ¥ DT1 χ (Φ7 + T8). According to this notation, the conductor 452 is switched to its 0 state during the time intervals T1 and S8 _P when the TOT1 instruction is in the instruction lock 180 ". This condition holds both inputs of the HOR gate U26 (Pig. 7A) in its The conductor 452 opposite the input is normally in the 0 state because of the inverter 17. The! OR gate Έ 26 is switched to its 1 state and thereby switches the! OR gate M25 to its 0 state and the conductor 450 in seinea-1 state. When the conductor 450 in its 1 state _s be the fuel-injection-Speicbereinheiten 432 to 439 in a position to read data on the EauptTerbißduagsleitung. the manner " in which the other instructions are carried out by the circuit, can be taken from the drawings in a similar manner. "

... / 99

409827/0216

Claims (56)

. 234967Q Claims "{. ) Fuel off supply system of an internal combustion engine with a fuel source for an injection device, which is opened when an electrical fuel signal is supplied to supply a certain amount of fuel to the engine, and with a device for controlling the fuel signal, characterized by a first A device which generates a first machine operating state digital digit, the value of which represents a first operating mode of the machine, by a second device which generates a second machine operating state digital digit whose value represents a second operating mode of the machine, through a data memory for storing a plurality of fuel digital words representing a plurality of discrete values of the engine fuel requirement, by a selector made by selecting one or more of the fuel digital words which depend on the values of the first and second engine operating condition digital digits, a resulting digital fuel word is generated which represents the need for engine fuel, by means for storing the resulting digital fuel words, by means for generating a position signal as soon as the machine is in a predetermined position, by means of a response to the position signal appealing device that sends the fuel signal at the end of the 409827/0218 ... / 100 at the right working interval, and by a Device that converts the value of the fuel signal into Depending on the value of the resulting fuel digital word changes, such that the exact Amount of fuel is supplied to the engine by a fuel injector. 2. Apparatus according to claim 1, characterized in that the first mode of operation of the machine comprises the motor speed and the second mode of operation of the machine comprises the position of a part controlled by the operator of the machine. 3. Apparatus according to claim 1, characterized in that the changing device comprises means which change the duration of the fuel signal. 4. Apparatus according to claim 1, characterized in that the first and second devices each comprise an analog / digital converter. 5. Apparatus according to claim 1, characterized in that the data memory comprises means which store each fuel digital word at a predetermined address which has a predetermined value of the first mode of operation of the engine and a predetermined value ... / 101 409827/0 2 16 represents the second working method of the Masohine, and that the selector means a means responsive to the first and second machine operating state digits for selecting one or more predetermined addresses, each selected address having values represents the first and second working methods of the Ifechine, which at least approximately correspond to the values of the first and second mode of operation of the masohine, which by the first and second masohine status digital digits and that the selector means means for deriving the resulting digital fuel word from the one or more fuel digital words selected at the one or more Addresses are stored includes. 6. Apparatus according to claim 5 » characterized in that the data memory comprises means for uniquely recognizing each predetermined address by a preselected first digital address number which is proportional to a preselected value of the first mode of operation, and by a preselected second digital address number which is proportional to a preselected value of the second mode of operation. 7. Apparatus according to claim 6, characterized in that the selection device includes means for comparing the ... / 102 409827/0216 23Λ9670 first address digits with the first engine operating state digital digit and the second address digit with the second engine operating state digit! further means for selecting a plurality of selected addresses represented by first and second address digits which approximate the values of the first and second engine operating state digital digits, and in that the selection means comprises means for interpolating between the fuel digital words, stored at the selected addresses to generate the resulting fuel digital word. 8. The device according to claim 1, characterized in that the selection device comprises a program memory for storing a plurality of instruction digital words representing a plurality of work instructions, a program sequencer for initiating the work instructions in a predetermined sequence and an arithmetic unit for interpolating between the selected fuel digital words according to the work instructions. 9. The device according to claim 1, characterized in that the device for generating a position signal a ■ first part which is mounted on a fixed part of the machine ... / 105 409827/0216 2343670 is, comprises, a second part which is mounted on a cyclically moving part of the machine, such that the second part passes the first part periodically, and means for generating the position signal when the second part happens the first part. 10. The device according to claim 1, characterized in that the responsive to the position signal device comprises a clock generator for generating clock pulses of a predetermined frequency, a counter, a device for storing an opening time digital number which has a size proportional to the predetermined working interval, a Means for loading the open time digital digit into the counter in response to the position signal, means for transmitting the clock pulses to the counter so that the counter counts to a predetermined value, and means responsive to the counter for starting fuel -Signal generation after the counter counts up to the predetermined value. 11. The device according to claim 1, characterized in that the means for changing comprises a clock generator for generating clock pulses with a certain frequency, a counter, a device for loading the resulting fuel digital word into the counter in response to the start of the fuel Signals, a device for transmitting 409827 / 02.16 ... / 104 2349G70 the clock pulses on the counter so that the counter is up to a predetermined value counts, and means for Stopping the fuel signal when the counter has counted up to the predetermined value. 12. The device according to claim 1, characterized in that the internal combustion engine comprises a first and second cylinder, that the fuel injection device comprises a first fuel injection device for the first ■ cylinder and a second fuel injection device for the second cylinder, that the fuel signal has a first current pulse for Controlling the first fuel injection device and a second current pulse for controlling the second fuel injection device comprises that the device responsive to the position signal comprises means for starting the generation of the first current pulse at the end of a first predetermined operating interval and means for starting the generation of the second current pulse at the end of a second predetermined working interval, and in that the means for changing comprises certain means for changing the values of the first and second current pulses separately so that one of the value of the resulting. Fuel digital word proportional fuel amount is supplied separately to the first cylinder via the first fuel injection device, and the second cylinder via the second fuel injection device. 409827/0216 ... / 105 ORiGiMAL IMSPEGTED 13. Device according to claim 12, characterized in that the memory device comprises a device for storing a first correction digital digit and a second correction digital digit and that the device for changing has a device for changing the value of the first current pulse, so that a Amount of fuel is supplied to the first cylinder, proportional to the combined values of the resulting fuel digital word and the first correction digital digit, and means for changing the value of the second current pulse so that an amount of fuel is supplied to the second cylinder, proportional to the combined Values of the resulting fuel digital word and the second correction digital digit. 14. Control system for a fuel internal combustion engine with a device for actuating a controlled device in response to an electrical control signal and with a device for controlling the control signal, characterized by a first device for generating a first machine operating state S) igital digit, the value of which is a first Represents the mode of operation of the machine by a second device for generating a second machine operating state digital number, the value of which represents a second mode of operation of the machine, by means of a data memory for storing a plurality ... / 106 4 09827/0216 of tax digital words that meet a variety of tax requirements represent, through a voting for Generate, a resulting control digital word, the represents the machine control request by selecting one or more of the control digital words in dependence of the values of the first and second engine operating state digits, by means for storing the resulting control digital word and by means for generating a position signal for controlling the control signal in dependence from the value of the resulting control digital word. 15. Apparatus according to claim 14, characterized in that the first mode of operation comprises the motor speed and the second mode of operation comprises the position of a part controlled by the operator of the machine. 16. The apparatus according to claim 14, characterized in that the control system comprises an ignition device, that the actuating device has a device for generating a spark to detonate a fuel mixture in the engine, that the control signal comprises an electrical ignition signal and that the resulting control -Digital word representing an engine timing request. ... / 107 409827/0216 2343670 17. The device according to claim 14, characterized in that the data memory has a device for storing each control digital word at a predetermined address, -which represents a pre-determined value of the first machine operating state and a predetermined value of the second Masohinen operating state, and that the Selecting means comprises means responsive to the first and second engine operating condition digital digits for selecting one or more predetermined addresses, each selected address representing values of the first and second machine operating conditions which correspond at least approximately to the values of the first and second machine operating conditions determined by the first and second machine operating state digital digits are shown, and further means for deriving the resulting control digital word from one or more control digit words stored at one or more selected addresses are chert. 18. The device according to claim 17, since by gekennzelohnet _T that the data memory has a device for unambiguously recognizing each predetermined address by a preselected first digital address digit which is proportional to a preselected value of the first mode of operation, ... / 108 409827/0216 and by a preselected second digital digit representing a preselected value of the second mode of operation is proportional, includes. 19. The device according to claim 18, characterized in that the selection device includes a device for comparing the first address digits with the first machine operating state digit and the second address digits with the second machine operating state digit and for selecting a plurality of the predetermined addresses which are given by first and second address digits approximating the values of the first and second engine operating status digital digits and further comprising means for interpolating between the control digital words stored at the selected addresses to produce the resultant control digital word . Device according to Claim 14, characterized in that the selection device comprises a program memory for storing a plurality of instruction digital words which represent a plurality of work instructions, furthermore a program sequence for initiating the work structure structures in a predetermined sequence and an arithmetic unit for interpolating between the selected control digits according to the work instructions. ... / 109 21. The device according to claim 14 » characterized in that the device for generating a position signal has a first part mounted on a fixed part of the machine, a second part mounted on a cyclically moving part of the machine, so that the second part is the first part happens periodically, and means for generating the position signal as soon as the second part passes the first part. 22. Device - n'äcü'-Aiis ^ pr ^ h ³ W, Wd üiccifr ·! Characterized in that the device responsive to the position signal comprises a clock generator for generating clock pulses with a certain frequency, a counter, a device for loading the resulting control digital word into the counter in response to the position signal, means for transmitting the clock pulses to the counter so that the counter counts to a predetermined value, and means responsive to the counter for generating the control signal after the counter has counted up to the predetermined value. 23. Device for controlling the operation of an internal combustion engine with one source of fuel for one Fuel injection device that, when a electric fuel signal opens to deliver a certain amount of fuel to the engine, and with a Ignition device for generating an ignition spark, which is used in 40982770216 ... / 110 ORSGINAL INSPECTED 234957Q ' is able to ignite the fuel in the engine when an ignition signal is supplied, and * with a device for controlling the fuel signal and the ignition timing of the ignition signal, characterized by a first device for generating a first engine operating state digit, the value of which represents a first mode of operation of the engine by a second means for generating a second engine operating state digital digit, the value of which represents a second mode of operation of the engine, by means of a data memory for storing a: plurality of fuel digital words representing a plurality of discrete engine fuel requirements, and for storing each of a plurality of ignition digital words representing a plurality of ignition timing requirements of the engine, by a selector formed by selecting one or more of the fuel digital words or one or more of the ignition digital words derived from the values of the first and second n machine operating state digits depend, a resulting fuel digital word for controlling the amount of fuel injected into the engine and a resulting ignition digital word for controlling the ignition timing of the engine generated by a device for storing the resulting fuel digital word and for storing the resulting Ignition digital word, through a device for 409827/0216 ... / m ORIGINAL IMSPECTED 234967Q . Generate one or more position signals as soon as the Machine is in one or more of the predetermined Positions located by a first to one or more means responsive to said position signals for generating said fuel signal at the end of a first predetermined one Working interval, by means for changing the value of the fuel signal as a function from the value of the resulting fuel digital word so that an appropriate amount of fuel is passed through the engine the fuel injector is supplied, and by one on one or more of the position signals responsive device for generating the ignition signal at the end of a second working interval as a function on the value of the resulting Zünä digital word. 24. The device according to claim 23, characterized . that the first mode of operation comprises the motor speed and the second mode of operation comprises the position of a part controlled by the operator of the machine. 25 "" Device according to Claim 23, since it is identified by the fact that the first and second devices each have an analog / digital converter. 26. The device according to claim 23, since by gekenazelohnet «that the data memory has a device for storing 234967Q every fuel digital word and every ignition digital word at a predetermined address which has a predetermined value of the first machine operating condition and represents a predetermined value of the second machine operating condition, and that the selection means one of the first and second engine operating condition digital digits responsive means for selecting one or more of the predetermined addresses has, each of which represents values of the first and second • engine operating states that are at least approximately correspond to the values of the first and second engine operating states which are digits from the first and second engine operating state digits be represented, and ferra? means for deriving the resulting Fuel digital word and the resulting ignition digital word of the fuel and ignition digital words, which are stored at one or more selected addresses. 27. The device according to claim 26, characterized in that the data memory has a device for uniquely recognizing each predetermined address by a preselected first digital address digit which is proportional to a preselected value of the first operating state, and by a preselected second digital address digit which corresponds to a preselected value of the second operating state is proportional, has. 409827/0216 ... / 113 ■; OFHGiMAL INSriC ^T "3 Z34967Q 28. The device according to claim 27, characterized in that the selection device includes a device for comparing the first address digits with the first engine operating status digit and for comparing the second address digits with the second engine operating status digit and for selecting a plurality of selected addresses, characterized by first and second address digits approximating the values of the first and second engine operating state digital digits and further comprising means for interpolating between the digital words stored at the selected addresses to produce the resulting fuel digital word and the resulting Generate ignition digital word. 29. The apparatus according to claim 23, characterized in that the selection device has a program memory for storing a plurality of instruction digital words which represent a plurality of work instructions, further a program sequencer for initiating the work instructions in a predetermined sequence and an arithmetic unit for interpolating between the selected fuel and ignition digital words according to the work instructions. 30. The device according to claim 23, characterized in that the device for generating a position signal 409827/02 1 6 ... / 1H INSPECTED 23 ι, [· ■■; 7 Q- a first part mounted on a fixed part of the machine, and a second part cyclically mounted on itself moving part of the machine part assembled in such a way that the second part passes the first part periodically, and means for generating the position signal as soon as the second part passes the first part. 31. The device according to claim 23, characterized in that the first device comprises a clock generator for generating clock pulses with a predetermined frequency, further a counter, a device for storing an opening time digit, the value of which is proportional to the first working interval, a Means for loading the open time digital digit into the counter in response to the position signal, means for transferring the clock pulses to the counter so that the counter counts to a predetermined V.ert, and means responsive to the counter for beginning generation of the fuel signal after the counter has counted to the predetermined value. 32. Apparatus according to claim 23, characterized in that the device for changing comprises a clock generator for generating clock pulses of a specific frequency, furthermore a counter, a device for loading the resulting fuel digital word into the counter 409827/0216 "... / 115 OFKGiHAL! MSPSCTSD 2349G70 in response to the start of the fuel signal, a Device for transmitting the clock pulses to the counter, so that the counter counts to a predetermined value, and means for terminating the fuel signal, as soon as the counter has counted to the predetermined value. 33. Apparatus according to claim 23, characterized in that that the second device has a clock generator for generating comprised of clock pulses of a predetermined frequency, further a counter, means for loading the resultant Ignition digital word in the counter as a reaction on the position signal, means for transmitting of the clock pulses on the counter so that the counter counts to a predetermined value, and one responsive to the counter Means for generating the ignition signal after the counter has counted to the predetermined value. 34. A method for injecting fuel into an internal combustion engine, which has a fuel source for a fuel st offeinspritzvor direction, -which supplies a predetermined amount of fuel to the machine when an electrical fuel signal is supplied, characterized in that a plurality of fuel digital words, the a plurality of discrete engine fuel requests are stored that generate a first engine operating condition digital digit 409827/0216 ... / 116 the value of which represents a first operating mode of the engine that a second engine operating state .Digital digit is generated, the value of which represents a second operating mode of the engine, that one or more of the fuel digital words are selected as a function of the values of the first and second engine operating states -Digital digits so that each selected fuel digital word corresponds at least approximately ^ to the fuel requirements of the engine, [ that from the one or more selected fuel digital words a resulting fuel digital word is derived which represents the engine fuel requirement, that the resulting fuel digital word is stored, that a position signal is generated as soon as the engine is in a predetermined position, that the fuel signal is generated at the end of a predetermined working interval which is initiated by the generation of the position signal, and that d the value of the fuel signal is changed in response to the resulting digital fuel word so that the correct amount of fuel is supplied to the engine by the fuel injector. 35. The method according to claim 34, characterized in that the first mode of operation comprises the motor speed and the second mode of operation comprises the position of a part controlled by the operator of the machine. 409827/0216 ... / 117 INSPECTED 36. The method according to claim 34, characterized in that when storing each fuel digital word is stored at a predetermined address which represents a predetermined value of the first machine operating state and a predetermined value of the second machine operating state, and that when selecting one or more of the predetermined addresses each selected address representing values of the first and second engine operating conditions that correspond at least approximately to the values of the first and second engine operating conditions represented by the first and second engine operating condition digits and the resulting fuel digital word of the one or more Fuel digital words stored at the one or more selected addresses. 37. The method according to claim 36, characterized in that, when storing, each predetermined address is identified by a preselected first digital address digit which is proportional to a preselected value of the first operating mode, and by a preselected second digital address digit which is proportional to a preselected value of the second operating mode is. ... / 118 409827/0216 38. The method according to claim 37, characterized in that . When dialing, the first address digits are compared with the first engine operating state digital digit, the second address digits with the second engine operating state s-digit are compared, several of the predetermined Addresses identified by first and second address digits that represent the values of the first and second engine operating status digits approximate, are marked, selected, and between the fuel digital words, stored at the selected addresses are interpolated to produce the resulting Generate fuel digital word. 39. The method according to claim 34, characterized in that the internal combustion engine comprises several cylinders, that the fuel injection device has a separate fuel injection device for each cylinder of the engine, that the fuel signal has a separate current pulse to independently actuate each fuel injection device that when generating of the fuel signal separate current pulses are generated which open each fuel injection device independently of the other fuel injection devices, and that in the process of changing the value of each strobe pulse is changed individually so that a fuel quantity proportional to the value of the resulting digital fuel word is passed through the engine each fuel injector is supplied. 409827/0 216 40. The method according to claim 39, characterized in that in the storage method a separate correction digital digit is stored for each cylinder of the engine, and in that in the method of changing the value of the resulting fuel digital word is combined with the value of each correction digital digit separately so that an amount of fuel is supplied to each cylinder in proportion to the combined values of the resulting digital fuel word and the digital correction digit stored for use on the respective cylinder. 41. A method for controlling a part of an internal combustion engine which can be controlled as a function of an electrical control signal, characterized in that several control digital words are stored which represent several machine control requests, that a first machine operating state digit is generated, whose Value represents a first mode of operation of the machine that a second masonry operating state digital digit is generated, the value of which represents a second operating mode of the machine that one or more of the control digital words are selected depending on the values of the first and second machine operating state digital digits, so that each selected control digital word corresponds at least approximately to the control requirements of the machine, that from one or more selected "control digital words a resulting control 40 9827/0216 • ../ 120 23A967Q Digital word is derived which is the Masehinen control request represents that the resulting control digital word is stored, that a position signal is generated, as soon as the machine is in a predetermined position, and that the control signal when the position signal is supplied as a function of the value of the resulting Control digital word is controlled. 42. The method according to claim 41, characterized in that the first mode of operation comprises the motor speed and the second mode of operation comprises the position of a second part of the machine controlled by the operator. 43. The method according to claim 41, characterized in that in the method of storing each control digital word is stored at a predetermined address which represents a predetermined value of the first mode of operation of the machine and a predetermined value of the second mode of operation of the machine, and that in the method of selecting one or more of the predetermined addresses, each selected address representing values of the first and second modes of operation of the machine which correspond at least approximately to the values of the first and second modes of operation of the machine represented by the first and second machine operating state digits are represented, and by the one or by 409827/0216 ... / 121 ■ 234967Q several of the control digital words that are used in one or multiple selected addresses are stored, the resulting Control digital word is derived. 44. The method according to claim 43, characterized in that in the method of storing each predetermined address is characterized by a preselected first digital address digit that is proportional to a preselected "value of the first mode of operation, and by a preselected second digital address digit that corresponds to a preselected value of the second Working method is proportional " 45. The method according to claim 44, characterized in that in the process of selecting the first address digits are compared with the first machine operating status digits, that the second address digits are compared with the second machine operating status digital digits, that several of the predetermined addresses are selected, characterized by first and second address digits approximating the values of the first and second machine operating condition digits and interpolated between the control digital words stored at the selected addresses to produce the resulting digital word. 46. The method according to claim 41, characterized in that the controllable device has a device for generating 409827/0216.; of a spark capable of fuel mixture to explode in the machine so that each control digital word represents an ignition point, to which an ignition spark must be supplied, and that that resulting control digital word an ignition timing request the machine represents. 47. Control device for an internal combustion engine with a first control device for controlling the operation of a first cylinder of the machine when a first control signal is supplied and with a second control device for controlling the operation of a second cylinder of the machine when a second control signal is supplied and with a device for individual control the first and second control device, characterized by a device for generating a control digital word, the value of which represents a control request of the machine in a predetermined operating state, by a device for storing the control digital word, by a device for storing a first correction digital digit, the value of which represents a control requirement of the first cylinder, by means of a device for storing a second correction digit, the value of which represents a control requirement of the second. Represents cylinder, by means for initiating the generation of the first control signal and the second control signal and by means for changing the duration of the first 409827 / 0216-. ... / 123 ORIGiNAL! 14SPEOTED 234967Ö Control signal, so that the operation of the first control device in relation to the combined values of the control digital word and the first correction digital digit is controlled, and for changing the pawn of the second Control signal, so that the operation of the second control device in proportion to the combined values of the tax bigitaI word and the second correction bigita1 number is controlled. 48. Apparatus according to claim 47, characterized in that the device for storing the control bigitaIword comprises a first register, that the device for storing the first correction bigita! Digit comprises a second register and that the device for storing the second correction digit A third register includes digital digit. 49. Apparatus according to claim 47, characterized in that the device for changing comprises a device for adding the value of the first correction bit to the value of the control big word in order to generate a first corrected control big word, and for adding the value the second correction digital digit to the value of the control bigitaIword in order to generate a second corrected control digital word, further comprising a clock generator for generating clock pulses of a predetermined frequency, a counter, a device for loading the first 409827 / 0216-, ... / 124 ORIGINAL INSPECTED corrected control digital word in the counter and to generate a first output signal as soon as the Counter by the clock pulses up to a predetermined one Value is advanced, a responsive to the first output signal means for ending the first control signal, a device for loading the second corrected control digital word into the counter and for generating a second output signal as soon as the counter has been incremented by the clock pulses up to a predetermined value, and means for terminating the second control signal in response to the second output signal. 50. The device according to claim 47 » characterized in that the control device comprises a fuel supply system, that the first control device comprises a first fuel injection device for supplying fuel into the first cylinder, that the second control device comprises a second fuel injection device for supplying fuel into the second cylinder and that each control request contains a fuel request from a cylinder. 51. Method for regulating a control function of an internal combustion engine, so that the machine at one ... / 125 409827/0216 predetermined value of the operating mode of a machine, characterized in that a target (nominal) digital digit is stored which represents the predetermined value of the operating mode of the machine, that the value of the operating mode of the machine is converted into a first test digital digit at a first point in time is that the value of the mode of operation 3 machine at a second point in time, which is later than the first point in time, is converted into a second test digital digit that a first logical signal is generated when the second test digital digit is larger The "target digital digit" means that a second logical signal is generated if the second test digital digit is less than the target digital digit, that an averaged logical signal is generated if the second test digital digit is in value is greater than the first 'test digital digit that a fourth logic signal is generated when the second test digital digit is less than Me e in value First test digital digit that a delta digital digit is stored which represents a small change in the value of the control function, that the control function is changed to an extent proportional to the value of the delta digital digit in response to the second and third logic signals that the control function is changed by an amount that is proportional to the value of the delta digital digit, when the second and third logic signals are supplied that the control function is changed by one of the 409827/0218 ... / 126 ¹²⁶ 234967Q Inverse of the value of the Delta DigitsIziffer proportio-. nal amount is changed when the first and third logic signals are supplied and that the control function is changed by one proportional to the inverse of the value of the delta digital digit Amount is changed when the second and fourth logic signals are supplied. 52. The method of claim 51 » characterized in that the control function is the amount of fuel supplied to the engine, the machine operating characteristic is the engine speed, and the delta digital digit represents a small change in the amount of fuel normally supplied to the engine. 53. A method for controlling the operation of an internal combustion engine, which has a fuel source for an injection device which, when an electrical fuel signal is supplied, supplies a predetermined amount of fuel to the engine, and an ignition device for generating an ignition spark which is able to dispense the fuel To ignite the supply of an ignition signal in the machine, characterized in that a first machine operating state digital number is generated, the value of which represents a first working characteristic of the machine, that a second masohine operating state digital number is produced , the value of which is a second working characteristic of the machine ... / 127 409827/0216 OWSWAL IMSPECTED represents a variety "of fuel digital words and a variety of ignition digital words. stored in pairs where each pair is a fuel digital word and an ignition digital word, which in the case of an ' individual -predetermined address are stored, .which a predetermined value of the first machine operating condition s-Digita Iz iff er and a predetermined value of the represents the second engine operating state digit, the fuel digital words a plurality of fuel a nrequirement η of the machine and where the Ignition digital words a variety of discrete ignition timing requirements of the machine that one or more of the predetermined addresses are selected in Dependence on the values of the first and second operating status digits, that of the one or more fuel digital words and ignition digital words that are used in the one or more selected addresses are stored, a resulting power st off digital word and a resulting ignition digital word is derived that the resulting fuel digital word is stored, that the resulting ignition digital word is stored, that a position signal "is generated as soon as the machine is in a predetermined position" that the fuel signal is generated at the end of a predetermined working interval, initiated by the generation of the position signal that the value of the fuel signal -... / 128 409827/0216 " ¹²⁸ " ■ 23A9670 in. depending on the resulting fuel digital word is changed so that the correct amount of fuel is fed to the engine by the fuel injector is supplied and that the ignition signal is generated at the end of a variable operating interval by generating the position signal, the operating interval depending on the value of the resulting Ignition digital word is changeable. 54 ·. A method as claimed in Claim 53, characterized in that the first work feature comprises the machine speed and that the second work feature comprises the position of a part controlled by an operator of the machine. 55. The method according to claim 55, characterized in that in the method of storing each predetermined address is characterized by a preselected first digital address digit, which is proportional to a preselected value of the first work feature, and by a preselected second digital address number, which is a preselected value of the second work feature is proportional. 56. The method according to claim 55 , characterized in that in the method of selection, the first address digits are compared with the first machine operating state digits, that the second address digits with the 409827/0216 ... / 129 OFHGlNAL INSPECTED second machine operating state digital digit compared will have a plurality of predetermined addresses identified by first and second address digits are selected, which approximate the value of the first and second machine operating state digits, and interpolating between the fuel and ignition digital words at the selected addresses are stored to the resulting fuel digital word and the resulting ignition digital word produce. 409827/0216 Blank page