USRE37966E1 - Computer unit for a control device in a motor vehicle - Google Patents
Computer unit for a control device in a motor vehicle Download PDFInfo
- Publication number
- USRE37966E1 USRE37966E1 US09/845,633 US84563301A USRE37966E US RE37966 E1 USRE37966 E1 US RE37966E1 US 84563301 A US84563301 A US 84563301A US RE37966 E USRE37966 E US RE37966E
- Authority
- US
- United States
- Prior art keywords
- computing unit
- variable
- memory
- logic
- unit according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0132—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
- B60R21/01332—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value by frequency or waveform analysis
- B60R21/01338—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value by frequency or waveform analysis using vector analysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0132—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/0315—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using multiplexing techniques
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R2021/0104—Communication circuits for data transmission
- B60R2021/01047—Architecture
- B60R2021/01054—Bus
- B60R2021/01061—Bus between the airbag system and other vehicle electronic systems
Definitions
- the invention lies in the automotive arts. Specifically, the invention relates to a computing unit in a motor vehicle that supplies an output variable for controlling a function of the motor vehicle in dependence on an input variable.
- the unit has a first, nonvolatile read-only memory and a second nonvolatile read/write memory.
- the first memory has stored therein first processing specifications for the calculation of characteristic variables as a function of the input variable and/or as a function of a characteristic-variable parameter, and second processing specifications for the calculation of logic comparison variables.
- the first and second processing specifications are stored on the basis of characteristic variables.
- Input variables for example measurement variables
- Output variables in the form of control signals are transmitted, for example, to actuators via the outputs.
- Such a computing unit is arranged, with numerous further electrical components, in a housing. In automotive technology, such a housing containing a control circuit is referred to by the term control device.
- the computing unit according to the invention and the closest prior art are explained below in conjunction with the actuation of a vehicle-occupant protection system; however, the computing unit according to the invention is not in any way restricted to this specific application but can be used in any desired control devices of the motor vehicle.
- a computing unit of an airbag control device is known from commercial practice.
- the computing unit evaluates algorithmically, for example, one or more measured signals of acceleration sensors, as input variable EG, and passes on, when necessary, an output variable AG as a trigger signal, for example, to an airbag, a belt pretensioning device or some other restraining means in the vehicle.
- Algorithmic processing specifications VV1, VV2, VV4 and VV5 are stored here in a first, nonvolatile read-only memory 1 .
- the first memory 1 is preferably a ROM.
- a ROM which has once been filled with processing specifications VV can no longer be written to.
- the computing unit also contains an input 5 which receives the input variable/variables EG, an output 6 which outputs the output variable AG that controls, for example, the airbag.
- the unit further includes a second memory 2 (EPROM) which is nonvolatile but which is designed so that it can be written to and read, a third, volatile memory 3 (RAM) which is designed so that it can be written to and read, and a processor 4 .
- EPROM nonvolatile but which is designed so that it can be written to and read
- RAM volatile memory 3
- the processor 4 executes the processing specifications VV which are stored in the first memory 1 and, in doing so, accesses the input variables EG and characteristic-variable parameters KGP stored in the second memory 2 , and stores calculated variables in the third memory 3 and supplies output variables AG to the output 6 .
- This computer-internal access to resources is expressed by the broken arrows starting from the processor 4 .
- the commercial prior art comprises a computing unit for triggering a vehicle-occupant protection system, in which unit one or more basic variables GG are calculated from one or more input variables EG using a fourth processing specification VV4 stored in the first memory 1 (FIG. 4 ).
- FIG. 2a shows six exemplary fourth processing specifications VV4(1) to VV4(6) for calculating six basic variables GG1 to GG6 from an input variable EG.
- the input variable EG is preferably the acceleration signal supplied by a sensor device for impact detection.
- the basic variables GG1 to GG6 are, for example, variables which are derived from the input variable EG, such as, for example, a speed acquired by integration of the acceleration, as first basic variable GG1, a basic variable GG2 acquired by double integration of the acceleration, an energy level of the acceleration signal acquired by squaring the acceleration, as basic variable GG3, a speed difference formed by forming the difference between the current speed value and the preceding one, as basic variable GG4, a forward displacement of the vehicle occupant calculated from the acceleration, as basic variable GG5, or a ripple factor calculated from the forward displacement of the vehicle occupant (dynamic of speed difference GG4), as basic variable GG6.
- the calculated basic variables GG are stored in the third memory 3 and are used for subsequently calculating characteristic variables KG by means of first processing specifications VV1.
- Such characteristic variables KG may be, in the first instance, so-called triggering criteria which are compared below with the characteristic variables KG formed as threshold values.
- six characteristic variables KG1 to KG6 are calculated as a function of the calculated basic variables GG and as a function of the characteristic-variable parameters KGP.
- the first characteristic variable KG1 is obtained from a multiplication of the first basic variable GG1 by a first characteristic-variable parameter KGP1 plus a multiplication of the second basic parameter GG2 by a second characteristic-variable parameter KGP2.
- a further characteristic variable KG for example the fourth characteristic variable KG4, is equivalent to a further characteristic-variable parameter KGP, for example the characteristic-variable parameter KGP8.
- the calculated characteristic variables KG are in turn stored in the third memory 3 before they are compared with one another by means of a second processing specification VV2 and as a result supply comparison variables VG which are in turn stored in the third memory 3 .
- a second processing specification VV2 and as a result supply comparison variables VG which are in turn stored in the third memory 3 .
- three comparison variables VG1, VG2, VG3 are calculated by in each case two of the six calculated characteristic variables KG being compared.
- the comparison variables VG preferably supply the binary values 0 or 1 and FALSE or TRUE as the result.
- Such a comparison variable VG supplies, for example, the information indicating whether the vehicle speed has exceeded a threshold which rises as time progresses.
- An output variable AG is calculated by means of a fifth processing specification VV5 which is represented in FIG. 2 d.
- the fifth processing specification VV5 is a logic function that logically links the calculated comparison variables VG by means of Boolean operators.
- the output variable AG is likewise conceived as a binary variable and assumes the value TRUE or FALSE.
- the output variable AG according to FIG. 2d assumes the value TRUE if either the first comparison variable VG1 assumes the value TRUE, or simultaneously the second comparison variable VG2 and the third comparison variable VG3 have the value TRUE. If the output variable AG is TRUE, a signal which fires a vehicle-occupant protection system is emitted via the output 6 of the computing unit.
- the fifth processing specification VV5 supplies here the information indicating that an airbag is triggered if the vehicle speed exceeds a defined threshold value or if the dynamics of the speed difference exceed a further threshold value, and the forward displacement of the vehicle occupant has at the same time not yet exceeded a third threshold value.
- the characteristic-variable parameters KGP in the second memory 2 can be easily changed and thus adapted, for example, to different vehicle types.
- the logic function, prescribed by the fifth processing specification VV5, of the triggering algorithm is, however, rigidly defined and can be changed only by creating a new ROM mask. Such a process, of course, is costly and time-consuming.
- a computing unit for a control device in a motor vehicle comprising:
- first, nonvolatile, read-only memory having stored therein, on a basis of characteristic variables, first processing specifications for calculating characteristic variables as a function of one of the input variable and a characteristic-variable parameter, and second processing specifications for calculating logic comparison variables;
- a second, nonvolatile memory capable of being written to and read from, the second memory having stored therein values of logic parameters
- the first memory having stored therein a third processing specification for comparing a respective logic comparison variable with a respective logic parameter for calculating the output variable.
- each characteristic variable is dependent on at least one basic variable that depends on the input variable, and/or at least one characteristic-variable parameter.
- the second memory has stored therein the value of each characteristic-variable parameter.
- the first memory has stored therein a fourth processing specification for calculating each basic variable, wherein the basic variable is dependent on at least one input variable received by the computing unit.
- a third processing specification with comparisons between in each case one of the calculated comparison variables and in each case one logic parameter is stored in the first memory.
- the logic parameter values are stored in the second memory.
- comparison routines which compare the set of comparison variables with a quantity of logic parameters are stored, as third processing specification, in the first memory.
- the values of the logic parameters may be changed as desired owing to their being stored in the second memory. Since the logic parameters, together with the unchanging third processing specification, represent the logic function of the known, fifth processing specification, the logic function which determines the output variable can be changed at any time without the third processing specification which is permanently located in the first memory having to be changed.
- the logic function determining the output variable AG can be easily changed in any desired way by changing the stored logic parameter values LP.
- the first memory is a ROM and the second memory is an EPROM, or a EEPROM.
- comparison variables, the logic parameters, and the output variable are binary variables.
- a logic output parameter is assigned to a set of logic parameters, and wherein the second memory has a value of the logic output parameter stored therein.
- each logic parameter and/or each logic output parameter is a vector with at least two coordinates.
- the values of the logic parameters and of the output parameter stored in the second memory form at least part of a truth table.
- values of the logic parameters and of the output parameter stored in the second memory form a complete truth table, wherein each logic parameter vector and the output parameter vector have 2 N coordinates (where N is equal to a number of the logic parameters).
- the third processing specification has comparisons logically linked to one another by an AND operation, and wherein a result of the AND operation is assigned to the output variable.
- a processor for executing the processing specifications is connected to the first memory and the second memory, and a third, volatile read/write memory is connected to the processor for storing results calculated by the processor.
- the output is connected to a safety device in a motor vehicle and an output signal with the output variable triggers a restraining device in the vehicle.
- the input variable depends on the acceleration of the motor vehicle sensed by one or more acceleration sensors.
- FIG. 1 is a schematic block diagram of a computing unit according to the invention.
- FIGS. 2a-2e show blocks with examples of processing specifications
- FIGS. 3a and 3b are two truth tables stored in the second memory of the computing unit.
- FIG. 4 is a schematic block diagram of a prior art computing unit.
- the inventive computing unit according to FIG. 1 is explained with reference to its differences in comparison with the above-described prior art computing unit shown in FIG. 4 .
- the components and variables that are structurally and functionally identical in the two computing units are labeled with identical reference symbols and will not be explained in any more detail.
- a third processing specification VV3 in accordance with FIG. 2e is stored.
- the second memory 2 contains values of logic parameters LP1 to LP3 in accordance with FIG. 3 .
- values of an output parameter AP are stored in the second memory 2 .
- the number N of the logic parameters LP1 to LPN corresponds to the number N of the calculated comparison variables VG1 to VGN.
- a table is thus obtained with the set of logic parameters LP1 to LPN and the output parameter AP as columns and the coordinates i as rows.
- each coordinate i of a parameter vector LP[i], AP[i] is assigned a binary value.
- Such a table is also referred to as a truth table.
- the table contains all the combinations of values which the set of logic parameters LP1 to LPN can assume.
- Each set of logic parameter values LP1[i] to LPN[i] with the same coordinate i is assigned a value of the logic output parameter AP[i] with the same coordinate i.
- the logic function according to FIG. 2b of the known computing unit is accordingly represented on a truth table according to FIG. 3 .
- each logic parameter LP is assigned to precisely one comparison variable VG so that the truth table according to FIG. 3b is obtained, for example, from the logic function specified in FIG. 2 d.
- the output parameter AP is assigned to the output variable AG.
- the truth table according to FIG. 3a corresponds to a further logic function.
- Each comparison variable VG is compared with in each case one assigned logic parameter LP using the third processing specification VV3 according to FIG. 2e, the truth table being processed row by row so that the set of comparison values VG1 to VGN is always compared with the set of logic parameters LP1 to LPN of the same coordinate i. If the comparison values VG which are determined agree with the set of logic parameters LP1[i] to LPN[i] of a specific coordinate i, the output variable AG is, according to the third processing specification VV3, assigned equal to the value of the output parameter AP which is assigned to this coordinate i.
- the third processing specification VV3 which is described in FIG. 2e constitutes only one of a large number of possible implementations for comparing comparison variables VG and logic parameters LP.
- the set of comparison variables VG1 to VGN is compared, row by row, with the set of logic parameters LP1 to LPN of one row and, if they agree (TRUE), the output variable AG is made equal to the value of the output parameter AP[i] in this row i.
- the variables introduced for the calculation are intermediate variables ZG and the comparison result VE.
- a truth table (LP, AP) which represents the logic function is therefore stored in the second memory ( 2 ) of the computing unit.
- a processing specification (VV3) by means of which the calculated comparison variables (VG) are compared with the truth table (LP, AP) is stored in the first memory ( 1 ).
- the truth table can furthermore also be changed to the effect that it has a number of coordinates i which is less than 2 N .
- Only the assignment of logic parameters LP is stored in the remaining rows, said assignment supplying, for example, the value TRUE as output variable.
- the storage of values of an output parameter vector AP[i] may also be dispensed with, since the output variable AG always assumes the value TRUE if the set of comparison variables VG1 to VGN corresponds to a stored assignment of the set of logic parameters LP1 to LPN.
- a nonvolatile memory is understood to be a memory whose memory contents are retained even when the operating voltage is lost.
- the term memory usually comprises a plurality of memory cells.
- the non volatile memory 2 which can be written to and read is preferably an EEPROM (Electrically Erasable Programmable Read Only Memory) and can thus be programmed electrically.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Air Bags (AREA)
- Stored Programmes (AREA)
Abstract
Description
Claims (19)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/845,633 USRE37966E1 (en) | 1996-07-16 | 2001-04-30 | Computer unit for a control device in a motor vehicle |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19628654 | 1996-07-16 | ||
DE19628654 | 1996-07-16 | ||
PCT/DE1997/001484 WO1998002334A1 (en) | 1996-07-16 | 1997-07-14 | Computer unit for motor vehicle controlling equipment |
US09/233,280 US6076038A (en) | 1996-07-16 | 1999-01-19 | Computer unit for a control device in a motor vehicle |
US09/845,633 USRE37966E1 (en) | 1996-07-16 | 2001-04-30 | Computer unit for a control device in a motor vehicle |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/233,280 Reissue US6076038A (en) | 1996-07-16 | 1999-01-19 | Computer unit for a control device in a motor vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE37966E1 true USRE37966E1 (en) | 2003-01-14 |
Family
ID=7799969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/845,633 Expired - Lifetime USRE37966E1 (en) | 1996-07-16 | 2001-04-30 | Computer unit for a control device in a motor vehicle |
Country Status (6)
Country | Link |
---|---|
US (1) | USRE37966E1 (en) |
EP (1) | EP0912373B1 (en) |
JP (1) | JP3386140B2 (en) |
KR (1) | KR100490093B1 (en) |
DE (1) | DE59706565D1 (en) |
WO (1) | WO1998002334A1 (en) |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE373505C (en) * | 1923-04-13 | Ferdinand Dannmeyer Dr | Electric polishing device | |
EP0118922A2 (en) * | 1983-03-14 | 1984-09-19 | Nissan Motor Co., Ltd. | Method of controlling ratio change in continuously variable transmission |
US4677558A (en) * | 1984-03-03 | 1987-06-30 | Robert Bosch Gmbh | Method and system for controlling operation of an apparatus or engine, particularly internal combustion engine |
EP0392953A1 (en) * | 1989-04-13 | 1990-10-17 | Jean-Marie Tresse | Microprogrammable electronic anticollision alarm control and aid for driving road motor vehicles |
US5138548A (en) * | 1987-07-11 | 1992-08-11 | Robert Bosch Gmbh | Method of assuring integrity of information being stored |
DE4303774A1 (en) * | 1992-02-10 | 1993-09-16 | Toyoda Gosei Kk | Control unit for motor vehicle safety airbag - corrects sensor sensitivity for hysteresis effect using comparison of deceleration signal with threshold and time evaluation |
US5638272A (en) * | 1993-07-26 | 1997-06-10 | Hitachi, Ltd. | Control unit for vehicle and total control system therefor |
US5826205A (en) * | 1994-07-19 | 1998-10-20 | Robert Bosch Gmbh | Reprogrammable controller containing multiple programs |
US5938716A (en) * | 1997-09-08 | 1999-08-17 | Cummins Engine Company, Inc. | System for customizing vehicle engine control computer operation |
US5948026A (en) * | 1996-10-24 | 1999-09-07 | General Motors Corporation | Automotive data recorder |
US5978727A (en) * | 1995-03-18 | 1999-11-02 | Sun Electric U.K. Limited | Method and apparatus for engine analysis by waveform comparison |
US5983156A (en) * | 1997-09-03 | 1999-11-09 | Cummins Engine Company | System for controlling engine fueling according to vehicle location |
-
1997
- 1997-07-14 EP EP97934424A patent/EP0912373B1/en not_active Expired - Lifetime
- 1997-07-14 DE DE59706565T patent/DE59706565D1/en not_active Expired - Lifetime
- 1997-07-14 KR KR10-1999-7000263A patent/KR100490093B1/en not_active IP Right Cessation
- 1997-07-14 JP JP50551598A patent/JP3386140B2/en not_active Expired - Fee Related
- 1997-07-14 WO PCT/DE1997/001484 patent/WO1998002334A1/en active IP Right Grant
-
2001
- 2001-04-30 US US09/845,633 patent/USRE37966E1/en not_active Expired - Lifetime
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE373505C (en) * | 1923-04-13 | Ferdinand Dannmeyer Dr | Electric polishing device | |
EP0118922A2 (en) * | 1983-03-14 | 1984-09-19 | Nissan Motor Co., Ltd. | Method of controlling ratio change in continuously variable transmission |
US4677558A (en) * | 1984-03-03 | 1987-06-30 | Robert Bosch Gmbh | Method and system for controlling operation of an apparatus or engine, particularly internal combustion engine |
US5138548A (en) * | 1987-07-11 | 1992-08-11 | Robert Bosch Gmbh | Method of assuring integrity of information being stored |
EP0392953A1 (en) * | 1989-04-13 | 1990-10-17 | Jean-Marie Tresse | Microprogrammable electronic anticollision alarm control and aid for driving road motor vehicles |
DE4303774A1 (en) * | 1992-02-10 | 1993-09-16 | Toyoda Gosei Kk | Control unit for motor vehicle safety airbag - corrects sensor sensitivity for hysteresis effect using comparison of deceleration signal with threshold and time evaluation |
US5638272A (en) * | 1993-07-26 | 1997-06-10 | Hitachi, Ltd. | Control unit for vehicle and total control system therefor |
US5826205A (en) * | 1994-07-19 | 1998-10-20 | Robert Bosch Gmbh | Reprogrammable controller containing multiple programs |
US5978727A (en) * | 1995-03-18 | 1999-11-02 | Sun Electric U.K. Limited | Method and apparatus for engine analysis by waveform comparison |
US5948026A (en) * | 1996-10-24 | 1999-09-07 | General Motors Corporation | Automotive data recorder |
US5983156A (en) * | 1997-09-03 | 1999-11-09 | Cummins Engine Company | System for controlling engine fueling according to vehicle location |
US5938716A (en) * | 1997-09-08 | 1999-08-17 | Cummins Engine Company, Inc. | System for customizing vehicle engine control computer operation |
Also Published As
Publication number | Publication date |
---|---|
JP2000501356A (en) | 2000-02-08 |
KR20000023785A (en) | 2000-04-25 |
DE59706565D1 (en) | 2002-04-11 |
EP0912373A1 (en) | 1999-05-06 |
EP0912373B1 (en) | 2002-03-06 |
KR100490093B1 (en) | 2005-05-17 |
WO1998002334A1 (en) | 1998-01-22 |
JP3386140B2 (en) | 2003-03-17 |
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