CN109488475A - Motorcycle engine control device and control method - Google Patents
Motorcycle engine control device and control method Download PDFInfo
- Publication number
- CN109488475A CN109488475A CN201710818881.1A CN201710818881A CN109488475A CN 109488475 A CN109488475 A CN 109488475A CN 201710818881 A CN201710818881 A CN 201710818881A CN 109488475 A CN109488475 A CN 109488475A
- Authority
- CN
- China
- Prior art keywords
- microcontroller
- signal
- signal processing
- processing circuit
- motorcycle
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D37/00—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
- F02D37/02—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
- F02P5/1502—Digital data processing using one central computing unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1409—Introducing closed-loop corrections characterised by the control or regulation method using at least a proportional, integral or derivative controller
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/021—Engine temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0404—Throttle position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0414—Air temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention discloses a kind of motorcycle engine control device and control methods.Wherein control device includes: microcontroller, signal processing circuit, power circuit and driving chip.Signal processing circuit and driving chip are electrically connected with microcontroller, and power circuit is electrically connected with driving chip；Signal processing circuit receives the detection signal for the sensor being mounted on motorcycle, carries out signal processing to detection signal, and will be transferred to microcontroller by the detection signal of signal processing；Microcontroller generates the control signal for being used for motorcycle part according to the detection signal from signal processing circuit, and control signal is transferred to driving chip；The input voltage of external power supply is converted to the voltage suitable for microcontroller, signal processing circuit and driving chip by power circuit, and is powered by driving chip.And microcontroller is 32 8-digit microcontrollers, substantially increases the speed of signal acquisition and calculating, function is more complete, and cost is lower.
Description
Technical field
The present invention relates to technical field of electronic control more particularly to a kind of motorcycle engine control device and controlling parties
Method.
Background technique
Since motorcycle engine revolving speed reaches as high as 12000 rpms, admission pressure coherent signal is acquired in this way
Frequency requirement it is also corresponding very high, force samples frequency is higher, then actual pressure collection value calculates in this way closer to actual value
The distributive value and time of ignition come is more quasi-, and motor performance can be made to reach best.And it is generally micro- using 16 in traditional technology
The acquisition and information processing of controller control signal, signal processing low efficiency, it is difficult to distributive value needed for accurate meter engine.
Summary of the invention
Based on this, it is necessary to a kind of motorcycle engine control device and control method are provided, it can be in engine height
Control provides distributive value required for engine optimum condition is run when speed operating.
For a kind of motorcycle engine control device that realization goal of the invention provides, including microcontroller, signal processing electricity
Road, power circuit and driving chip, in which:
The signal processing circuit and the driving chip are electrically connected with the microcontroller, the power circuit and institute
State driving chip electrical connection；
The signal processing circuit receives the detection signal for the sensor being mounted on motorcycle, carries out letter to detection signal
Number processing, and the microcontroller will be transferred to by the detection signal of signal processing；
The microcontroller generates the control for being used for motorcycle part according to the detection signal from the signal processing circuit
Signal processed, and the control signal is transferred to the driving chip；
The power circuit is converted to the input voltage of external power supply suitable for the microcontroller, signal processing electricity
The voltage on road and driving chip, and powered by the driving chip；
The microcontroller is 32 8-digit microcontrollers.
In the motorcycle engine control device of wherein one embodiment, the signal processing circuit includes pulse signal
Processing circuit and analog signal processing circuit,
The pulse processing circuit is electrically connected with the crankshaft position sensor being mounted on motorcycle；At the analog signal
Reason circuit is sensed with lambda sensor, intake air temperature sensor, throttle position sensor, the admission pressure being mounted on motorcycle
Device, engine temperature sensing unit electrical connection.
In the motorcycle engine control device of wherein one embodiment, the analog signal processing circuit also with installation
Inclination sensor electrical connection on motorcycle；And/or
The driving chip is also electrically connected with probe power, atomizer, oil pump, stepper motor.
It further include ignition drive circuit in the motorcycle engine control device of wherein one embodiment, and it is described micro-
Controller and the electrical connection of ignition of motorcycle engine coil.
In the motorcycle engine control device of wherein one embodiment, further includes:
The calibration communicating circuit being connected between the microcontroller and external CAN bus, by the CAN bus and
Extrinsic calibration equipment carries out communication and data transmission；And/or
The diagnostic circuit being connected between the microcontroller and outside K bus is examined by the way that K bus connection is external
Disconnected equipment.
A kind of motorcycle engine control method based on the same inventive concept, utilizes the motorcycle of aforementioned any embodiment
Engine control system controls motorcycle engine operation, and the control method includes:
Microcontroller obtains the tractor crankshaft signal of crankshaft position sensor by signal processing circuit, and according to the song
Shaft detection signal calculates engine speed, and igniting start time, fuel injection beginning moment；
Microcontroller obtains intake air temperature signals, the air inlet pressure sensor of air-temperature sensing by signal processing circuit
Boost pressure signal and cylinder temperature sensor engine temperature signal, and according to the signal of acquisition calculate enter engine
The air quality of cylinder, and the basic fuel injection amount that motorcycle engine needs is calculated according to the air quality；
After reaching the fuel injection beginning moment, the microcontroller sends driving signal to driving core connected to it
Piece, control atomizer lubricating oil pump movement；It and include the basic fuel injection amount information in the driving signal；
After reaching the igniting start time, the microcontroller sends ignition signal and drives to igniting connected to it
Circuit, control engine igniting coil igniting.
In the motorcycle engine control method of wherein one embodiment, the control method further include:
Microcontroller obtains the position signal of throttle position sensor by signal processing circuit, and according to the position
Signal judges that throttle position judges engine operating condition；
When throttle position is when less than the first preset threshold, then determine that engine is in idling operation；When the solar term
Door position is more than or equal to first preset threshold, and when less than the second preset threshold, then determines that the engine is in
Partial load condition；When the throttle position is more than or equal to second preset threshold, then the engine is determined
In full load mode.
In the motorcycle engine control method of wherein one embodiment, the control method further include:
Microcontroller obtains the tail gas oxygen content of lambda sensor detection by the signal processing circuit, and according to the tail
Gas oxygen content is modified the distributive value.
In the motorcycle engine control method of wherein one embodiment, the control method further include:
Microcontroller obtains the body sway signal of obliquity sensor detection by the signal processing circuit, works as vehicle
When body tilt angle is more than preset range, driving signal is sent to the driving chip, atomizer is controlled and closes.
In the motorcycle engine control method of wherein one embodiment, the control method includes:
Microcontroller is connect by the calibration communicating circuit being electrically connected and the CAN bus being electrically connected with the calibration communicating circuit
New engine calibration data are received, the old nominal data in microcontroller is updated.
The beneficial effect comprise that a kind of motorcycle engine control device provided by the invention, at 32
Chip is managed as microcontroller, high-frequency, large capacity, big memory 32-bit microprocessor substantially increase signal acquisition and calculating
Speed, obtained control data are more acurrate, enable engine that engine is timely responded to and met in high-speed cruising best
Operating condition required distributive value and time of ignition value when running, while the size of code and the capacity of nominal data are increased,
Code upgrade and Engine Matching is set to become more flexible and feasible.And 32 8-digit microcontrollers are used, cost is lower, with better function
Greatly, the quick processing and calculating requirement that motorcycle system is needed when high revolving speed is run be can satisfy.
Detailed description of the invention
Fig. 1 is a kind of system structure diagram of a specific embodiment of motorcycle engine control device of the present invention；
Fig. 2 is a kind of system structure diagram of the another specific embodiment of motorcycle engine control device of the present invention；
Fig. 3 is a kind of flow chart of a specific embodiment of motorcycle engine control method of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to of the invention
The specific embodiment of motorcycle engine control device and control method is illustrated.It should be appreciated that tool described herein
Body embodiment is only used to explain the present invention, is not intended to limit the present invention.
The motorcycle engine control device of one embodiment of the invention, as shown in Figure 1, comprising: microcontroller
(Microcontroller Unit；MCU) 100, signal processing circuit 200, power circuit 300 and driving chip 400.Wherein,
Signal processing circuit 200 and driving chip 400 are electrically connected with microcontroller 100,400 electricity of power circuit 300 and driving chip
Connection.And each sensor connection installed on 200 motorcycle of signal processing circuit, the detection signal of receiving sensor are right
Detection signal is handled, and is transferred to microcontroller 100.And microcontroller 100 is to receiving from signal processing circuit 200
Detection signal is analyzed and processed, and generates control signal according to processing result, and the control signal is transferred to driving core
Piece 400 is finally worked by driving chip drive control motorcycle engine operation relevant device, component, including is lighted a fire to coil
Control and control to 030 distributive value of atomizer.Power circuit 300 in device is mainly to whole device input power
Progress voltage conversion and pressure stabilizing control, reception 010 voltage of battery feed of power circuit 300 and ignition key switch 020
Control, converts microcontroller (MCU) 100, the signal processing circuit 200 and the drive for the voltage of battery feed 010
The voltage that dynamic chip 400 can use.And the driving chip is integrated power supply management and driving function, power circuit passes through institute
State the power supply of driving chip 400.Power circuit is also responsible for the relevant detection sensor power supply of motor operation on motorcycle simultaneously.
Moreover, using 32 processing chips as microcontroller 100 in the motorcycle engine control device of the present embodiment,
Processing is programmed to microcontroller before control device installation or after being installed, by the control flow to motorcycle
In burned microcontroller.The 32-bit microprocessor of the big memory of high-frequency large capacity substantially increases the speed of signal acquisition and calculating
Degree, enable engine timely respond to and meet in high-speed cruising engine in optimum condition operation required distributive value and
Time of ignition value, while the size of code and the capacity of nominal data are increased, become code upgrade and Engine Matching
It is more flexible and feasible.It can satisfy the quick processing and calculating requirement that motorcycle system is needed when high revolving speed is run.
As shown in Fig. 2, the sensor power supply being mounted on around each associated components of engine is also responsible for by driving chip 400,
As shown in Fig. 2, total feeder ear of the chip as probe power 090, powers for each sensor.The driving chip also with spray
Oil nozzle, oil pump, stepper motor electrical connection.In addition, further including ignition drive circuit 500 in control device, for being electrically connected micro-control
Device 100 and ignition of motorcycle engine coil 060 processed.
Other than configuring electric energy, another critical function of the chip is connection each power part of engine, according to micro-control
The driving of device 100 processed, control signal drive each component according to instruction requirement movement.Atomizer 030 is such as controlled according to injection time
It opens and closes, and is worked according to distributive value size control oil pump 040, and the control to 050 amount of spin of stepper motor.
In a wherein specific example, microcontroller 100 is micro- using Infineon's high-performance 32-bit SAK-TC234LC-24F
Processor chips, driving chip 400 use the driving chip L9177 of Highgrade integration.Wherein, which holds with super large
The flash memory (Flash Memory) and vast capacity on piece memory (RAM) of amount possess 32 AD acquisition channels and rich and varied
The resources such as capture are compared in pulsewidth driving, support the operation processing frequency for being up to 200M, these resources and performance advantage solve well
The big memory needed when quick processing and computing capability and calibration that motorcycle system of having determined is needed when high revolving speed is run
The problems of space.
Specifically, connecting with each sensor, the signal processing circuit for carrying out sensor signal processing includes for pulse
The pulse signal processing circuit 210 that signal is handled, and the analog signal processing circuit for being handled analog signal
220.Wherein, pulse processing circuit is electrically connected with the crankshaft position sensor 001 being mounted on motorcycle；Analog signal processing electricity
Road 220 and the lambda sensor 002 being mounted on motorcycle, intake air temperature sensor 003, throttle position sensor 004, air inlet
Pressure sensor 005, cylinder temperature sensor 006 are electrically connected.The detection signal reporting of each temperature sensor is electric to signal processing
Road, the processing such as analog-to-digital conversion through signal processing circuit, forms digital signal, and be transferred to microcontroller 100, for microcontroller
100 are further analyzed, and judge the operation conditions of current motorcycle engine, and generate driving letter according to current operating conditions
Number, each auxiliary element movement is controlled, to adjust engine to optimum operation situation.
The analysis of 100 pairs of microcontroller detection signals includes the following aspects:
1) engine speed is calculated by the detection signal of crankshaft position sensor 001, calculates igniting start time, spray
Oily start time, and the relationship between oil spout and igniting is, after end of injection starts starting ignition；
2) microcontroller 100 acquires 005 signal of air inlet pressure sensor, 003 signal of intake air temperature sensor, center housing temperature
Sensor signal calculates the air quality into cylinder, calculates according to air quality the basic fuel injection amount of engine needs.
The absolute pressure for the air inlet that wherein air inlet pressure sensor 005 detects.And basic fuel injection amount described herein refers to not by hair
Dynamic operating condition temperature adjustment is also without the oil spout magnitude by Closed-cycle correction.
3) microcontroller 100 acquires cylinder temperature sensor signal to calculate basic fuel injection amount when engine start and its
Oil spout temperature adjustmemt amount when his operating condition operation needs to spray some fuel oils when then starting more when engine block temperature is lower
Amount when center housing temperature is higher, then can spray some amount of fuel less when starting, specific distributive value need according to practical calibration and
It is fixed.
4) microcontroller 100 acquires 004 signal of throttle position sensor to calculate the operating condition of engine operation, works as solar term
When door position is less than the first preset threshold A, it is determined that engine is idling operation at this time, is preset when throttle position is greater than first
When threshold values A is less than the second preset threshold B, it is determined that engine is partial load condition at this time, when throttle position is greater than second
When preset threshold B, it is determined that engine is full load mode at this time.
It rests and reorganizes on the basis of basic fuel injection amount to distributive value under different operating conditions in combination with current cylinder temperature.
And the distributive value adjustment amount under specific each operating condition under different temperatures is related with different model engine calibration parameter.The calibration
Parameter can exist in the microcontroller 100 in the form of tables of data, and can table look-up realization when being adjusted to distributive value.
5) microcontroller 100 acquires the feedback quantity that 002 signal of lambda sensor is calculated as oil spout Closed-cycle correction, when oxygen senses
Device 002 detects the content of oxygen in motor exhaust to judge the dense dilute of gaseous mixture, then according to the dense dilute state of gaseous mixture and
PID controller is adjusted to calculate the Closed-cycle correction amount of distributive value.
In fact, after microcontroller 100 receives various sensor signals, by tabling look-up, judging, calculating final output spray
Oily moment, injection duration, time of ignition, 050 aperture of stepper motor, oil pump 040 run these control signals and give driving core
Piece 400 and igniting drive module, driving chip 400 drive atomizer according to the control signal that microcontroller 100 (MCU) provides
030, oil pump 040, stepper motor 050, ignition drive circuit 500 drive according to the control signal that microcontroller 100 (MCU) provides
Dynamic ignition coil 060.
More preferably, as shown in Fig. 2, can also install inclination sensor 007 on motorcycle by this control device, incline
The detection signal of oblique sensor 007 is transferred to micro-control after the analog signal processing circuit 220 in signal processing circuit is handled
Device 100 processed, microcontroller 100 according to skew detection signal judge motorcycle whether the angle of run-off the straight and run-off the straight.
And corresponding component driving signal can be generated according to judging result.The tilt angle for such as finding motorcycle is more than preset range
When, controllable to immediately close off oil spout, igniting stops engine operation to protect the safety of driver.
In addition to this, microcontroller 100 is also integrated with multiple 070 controllers of CAN bus, is with interior other electronic controls
System constitutes 070 network of CAN bus, further improves system performance, and also provides convenience simultaneously for diagnosis and maintenance.
The autobicycle control device microcontroller 100 of the present embodiment connects external CAN bus by demarcating communicating circuit 600
070, and by CAN bus 070 and external equipment, such as PC carries out communication and data transmission.To external electronic device
Engine can be matched, engine is transported by original nominal data in calibration agreement on-line tuning microcontroller 100
Row is in an optimal state.
In addition as shown in Fig. 2, diagnostic circuit has also been devised in control device, microcontroller 100 passes through diagnosis communication circuit
700 connect with outside K bus 080, and connect external diagnostic equipment by K bus 080, and such as diagnostic equipment realizes that online failure is examined
Disconnected function.The error code that stores in electronic control unit can be read with diagnostic equipment come confirm failure cause and observation occur therefore
The operating condition and external ambient conditions that engine is run when barrier, bring very big side to after-sales service and system debug and optimization
Just.
The motorcycle engine control device of the present embodiment, when carrying out device setting, according to the outer of 32 8-digit microcontrollers
Portion's resource (including analog signal (AD) processing circuit, pulse (PWM) signal processing circuit, diagnosis communication circuit (serial communication mould
Block), calibration communicating circuit (CAN communication module) and pin input and output (IO) module, compare capture (CCU) module, flash memory
Module) configuration and programming corresponding driver is designed to each circuit module, due to the high disposal speed of 32 8-digit microcontrollers
The 5ms base cycle task of original 16 8-digit microcontroller operating system is increased to the basis the 100us week of 32 8-digit microcontrollers by degree
Phase task substantially increases program processing speed in this way, at the same increase air inlet pressure sensor, throttle position sensor and
The discrete sampling point quantity of the analog signals such as cylinder temperature sensor, such as in a specific example, to pressure simulation signal (air inlet
The detection signal of pressure sensor) discrete sampling point be every second acquire 10,000 times, and change simultaneously to sensor detect
The computation model that signal is handled, especially modification handle the pressure detecting signal that air inlet pressure sensor detects
Calculation of pressure model is modified, and the accuracy that basic fuel injection amount and time of ignition calculate is improved.
The present invention also provides a kind of motorcycle engine control methods, utilize motorcycle engine control device above-mentioned
Motorcycle engine operation is controlled, the function of each component is identical as function in foregoing control device in this method, repeats
Place is not repeating.
As shown in figure 3, the motorcycle engine control method of one of embodiment the following steps are included:
S100, microcontroller by signal processing circuit obtain crankshaft position sensor tractor crankshaft signal, and according to
Tractor crankshaft signal calculates engine speed, and igniting start time, fuel injection beginning moment.For the pass between igniting and oil spout
System, after end of injection can just start to light a fire.
S200, microcontroller obtain intake air temperature signals, the admission pressure of air-temperature sensing by signal processing circuit
The boost pressure signal of sensor and the engine temperature signal of cylinder temperature sensor, and calculated and entered according to the signal of acquisition
The air quality of cylinder, and the basic fuel injection amount that motorcycle engine needs is calculated according to air quality.
It should be noted that the detection signal of the crankshaft position sensor is transferred to after handling signal processing by pulse
Microcontroller carries out calculation processing, and the intake air temperature sensor and air inlet pressure sensor etc. pass through analog signal processing circuit
It is transferred to microcontroller after processing and carries out calculation processing, and in the control method of the present embodiment, by 32-bit microprocessor, increases
The quantity of the discrete sampling point of analog signal, so that the accuracy that basic fuel injection amount and time of ignition calculate is improved, such as in a tool
In body example, the discrete sampling point to pressure simulation signal (the detection signal of air inlet pressure sensor) is acquisition each second 10,000
It is secondary.
S300, after reaching the fuel injection beginning moment, microcontroller sends driving signal to driving chip connected to it, control
Atomizer and oil pump movement processed.Wherein, the timing of oil injection time can be realized by microcontroller timer.And microcontroller
It to include basic fuel injection amount information in the driving signal that device is sent, thus by the control of oil pump oil mass and nozzle switch, it is real
Now to the control of injection time and distributive value.
S400, after reaching igniting start time, microcontroller sends ignition signal and drives electricity to igniting connected to it
Road, control engine igniting coil igniting.
This step is after end of injection, and microcontroller sends ignition control (driving) signal to ignition drive circuit, control
Ignition coil.
The present embodiment is acquired and is handled to the various transducing signals of engine by 32 8-digit microcontrollers, can accurately be counted
Distributive value and time of ignition are calculated, operates in engine under optimum condition.Meet motorcycle and tells operation demand.
In the control method of wherein one embodiment, the operating condition of engine can also be judged.It is specific: micro-
Controller obtains the position signal of throttle position sensor by signal processing circuit, and judges air throttle according to position signal
Position judges engine operating condition；
When throttle position is when less than the first preset threshold, then determine that engine is in idling operation；When air throttle position
It sets and is more than or equal to the first preset threshold, and when less than the second preset threshold, then determine that engine is in partial load condition；
When throttle position is more than or equal to the second preset threshold, then determine that engine is in full load mode.Described first is pre-
If threshold value and second preset threshold are the calibrating parameters of engine, this two preset value can be connected by CAN bus the end PC into
Row is online to be re-scaled.Certainly, other nominal datas can also be updated, i.e., microcontroller is communicated by the calibration of electrical connection
Circuit and the CAN bus being electrically connected with calibration communicating circuit receive new engine calibration data, to the old mark in microcontroller
Fixed number evidence is updated.
In addition, being carried out in one of the embodiments, using PID controller to the calculated basic fuel injection amount of step S200
Amendment.Specifically, microcontroller obtains the tail gas oxygen content that lambda sensor detects by signal processing circuit, and contained according to tail gas
Oxygen amount is modified distributive value, until the oxygen content in tail gas reaches requirement.
In order to guarantee traffic safety, can also be adopted an effective measure to body sway by this method, specifically, microcontroller
Device obtains the body sway signal of obliquity sensor detection by signal processing circuit, when body sway angle is more than default
When range, driving signal is sent to driving chip, atomizer is controlled and closes.Wherein, the preset range of body sway can also be made
For one of nominal data, can be modified online by the external electronic device that CAN bus connects.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of motorcycle engine control device, which is characterized in that including microcontroller, signal processing circuit, power circuit
And driving chip, in which:
The signal processing circuit and the driving chip are electrically connected with the microcontroller, the power circuit and the drive
Dynamic chip electrical connection；
The signal processing circuit receives the detection signal for the sensor being mounted on motorcycle, carries out at signal to detection signal
Reason, and the microcontroller will be transferred to by the detection signal of signal processing；
The microcontroller is generated according to the detection signal from the signal processing circuit to be believed for the control of motorcycle part
Number, and the control signal is transferred to the driving chip；
The power circuit by the input voltage of external power supply be converted to suitable for the microcontroller, the signal processing circuit and
The voltage of driving chip, and powered by the driving chip；
The microcontroller is 32 8-digit microcontrollers.
2. according to right want 1 described in motorcycle engine control device, which is characterized in that the signal processing circuit includes arteries and veins
Signal processing circuit and analog signal processing circuit are rushed,
The pulse processing circuit is electrically connected with the crankshaft position sensor being mounted on motorcycle；The analog signal processing electricity
Road be mounted on motorcycle lambda sensor, intake air temperature sensor, throttle position sensor, air inlet pressure sensor,
Engine temperature sensing unit electrical connection.
3. motorcycle engine control device according to claim 2, it is characterised in that:
The analog signal processing circuit is also electrically connected with the inclination sensor being mounted on motorcycle；And/or
The driving chip is also electrically connected with probe power, atomizer, oil pump, stepper motor.
4. motorcycle engine control device according to claim 1, which is characterized in that it further include ignition drive circuit,
It is electrically connected with the microcontroller and ignition of motorcycle engine coil.
5. motorcycle engine control device according to claim 1, which is characterized in that further include:
The calibration communicating circuit being connected between the microcontroller and external CAN bus, passes through the CAN bus and outside
Calibration facility carries out communication and data transmission；And/or
The diagnostic circuit being connected between the microcontroller and outside K bus connects external diagnosis by the K bus and sets
It is standby.
6. a kind of motorcycle engine control method, which is characterized in that utilize described in any one of claim 1 to 55 described in any item motorcycles
Engine control system controls motorcycle engine operation, and the control method includes:
Microcontroller obtains the tractor crankshaft signal of crankshaft position sensor by signal processing circuit, and is examined according to the crankshaft
It surveys signal and calculates engine speed, and igniting start time, fuel injection beginning moment；
Microcontroller by signal processing circuit obtain the intake air temperature signals of air-temperature sensing, air inlet pressure sensor into
The engine temperature signal of air pressure force signal and cylinder temperature sensor, and calculated according to the signal of acquisition and enter cylinder
Air quality, and according to the air quality calculate motorcycle engine need basic fuel injection amount；
After reaching the fuel injection beginning moment, the microcontroller sends driving signal to driving chip connected to it, control
Atomizer lubricating oil pump movement processed；It and include the basic fuel injection amount information in the driving signal；
After reaching the igniting start time, the microcontroller sends ignition signal and drives electricity to igniting connected to it
Road, control engine igniting coil igniting.
7. motorcycle engine control method according to claim 6, which is characterized in that the control method further include:
Microcontroller obtains the position signal of throttle position sensor by signal processing circuit, and according to the position signal
Judge that throttle position judges engine operating condition；
When throttle position is when less than the first preset threshold, then determine that engine is in idling operation；When the air throttle position
It sets and is more than or equal to first preset threshold, and when less than the second preset threshold, then determine that the engine is in part
Load condition；When the throttle position is more than or equal to second preset threshold, then determine that the engine is in
Full load mode.
8. motorcycle engine control method according to claim 6, which is characterized in that the control method further include:
Microcontroller obtains the tail gas oxygen content of lambda sensor detection by the signal processing circuit, and is contained according to the tail gas
Oxygen amount is modified the distributive value.
9. motorcycle engine control method according to claim 6, which is characterized in that the control method further include:
Microcontroller obtains the body sway signal of obliquity sensor detection by the signal processing circuit, when vehicle body inclines
When rake angle is more than preset range, driving signal is sent to the driving chip, atomizer is controlled and closes.
10. motorcycle engine control method according to claim 6, which is characterized in that the control method includes:
Microcontroller is received new by the calibration communicating circuit being electrically connected and the CAN bus being electrically connected with the calibration communicating circuit
Engine calibration data, the old nominal data in microcontroller is updated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710818881.1A CN109488475A (en) | 2017-09-12 | 2017-09-12 | Motorcycle engine control device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710818881.1A CN109488475A (en) | 2017-09-12 | 2017-09-12 | Motorcycle engine control device and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109488475A true CN109488475A (en) | 2019-03-19 |
Family
ID=65687806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710818881.1A Pending CN109488475A (en) | 2017-09-12 | 2017-09-12 | Motorcycle engine control device and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109488475A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175389A (en) * | 2021-03-15 | 2021-07-27 | 天津市天波科达科技有限公司 | Electronic injection control device and method, electronic equipment and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032988A (en) * | 2006-03-08 | 2007-09-12 | 雅马哈发动机株式会社 | Motorcycle |
| CN101520014A (en) * | 2008-02-28 | 2009-09-02 | 华夏龙晖（北京）汽车电子科技有限公司 | 32-bit electronic control unit for four-cylinder gasoline engine |
| CN102116208A (en) * | 2010-08-24 | 2011-07-06 | 无锡伟世达电子科技有限公司 | Method and system for controlling rotation speed of general-type gasoline engine |
| CN203114439U (en) * | 2012-12-25 | 2013-08-07 | 长安大学 | Electrically-controlled jetting device for motorcycle engine |
| CN103485910A (en) * | 2013-10-15 | 2014-01-01 | 东北石油大学 | Improved engine control method controlled by multiple working conditions PID (proportion integration differentiation) |
| CN105626292A (en) * | 2016-02-03 | 2016-06-01 | 海博瑞德（北京）汽车技术有限公司 | Novel electronic control unit (ECU) for single-cylinder gasoline engine |
-
2017
- 2017-09-12 CN CN201710818881.1A patent/CN109488475A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032988A (en) * | 2006-03-08 | 2007-09-12 | 雅马哈发动机株式会社 | Motorcycle |
| CN101520014A (en) * | 2008-02-28 | 2009-09-02 | 华夏龙晖（北京）汽车电子科技有限公司 | 32-bit electronic control unit for four-cylinder gasoline engine |
| CN102116208A (en) * | 2010-08-24 | 2011-07-06 | 无锡伟世达电子科技有限公司 | Method and system for controlling rotation speed of general-type gasoline engine |
| CN203114439U (en) * | 2012-12-25 | 2013-08-07 | 长安大学 | Electrically-controlled jetting device for motorcycle engine |
| CN103485910A (en) * | 2013-10-15 | 2014-01-01 | 东北石油大学 | Improved engine control method controlled by multiple working conditions PID (proportion integration differentiation) |
| CN105626292A (en) * | 2016-02-03 | 2016-06-01 | 海博瑞德（北京）汽车技术有限公司 | Novel electronic control unit (ECU) for single-cylinder gasoline engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175389A (en) * | 2021-03-15 | 2021-07-27 | 天津市天波科达科技有限公司 | Electronic injection control device and method, electronic equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100541160C (en) | The testing synthesis parameter devices and methods therefor of aviation piston engine | |
| CN100501143C (en) | Internal combustion engine, engine management system and method for internal combustion engine | |
| CN102797572A (en) | Diesel engine combustion control system and method under instantaneous working condition | |
| CN103696862A (en) | Method for realizing opening control of EGR (Exhaust Gas Recirculation) valve, device and system | |
| CN102865175B (en) | Gasoline engine energy balance firing circuit and balance control method | |
| US7971665B2 (en) | Motor vehicle comprising a hybrid drive and method for controlling the idle speed of a hybrid drive of a motor vehicle | |
| CN101268265A (en) | Supercharging system for internal combustion engine | |
| CN103162964A (en) | Calibration system and calibration method of hybrid electric vehicle | |
| CN103576670B (en) | For diagnosing diagnostic system and the method for the device of vehicle | |
| CN103410619B (en) | Diesel engine of diesel locomotive Closed-Loop Speed Governing System and speed regulating method thereof | |
| CN102220911A (en) | Method and system for reducing turbo lag in an engine | |
| CN105121816B (en) | The control device and control method of internal combustion engine | |
| CN109488475A (en) | Motorcycle engine control device and control method | |
| CN112485008B (en) | Aftertreatment temperature control device and method for diesel engine in-loop | |
| JP3238388B2 (en) | Voltage feeder | |
| JPH07180590A (en) | Delay reducing device and method in fuel injection type internal combustion engine | |
| CN106351757B (en) | A kind of vehicle automatic start-stop discharge control method | |
| CN102777276B (en) | Control the system and method for fuel area density based on the output from rear catalyst lambda sensor during catalyst light-off | |
| CN110077388B (en) | Torque control system and method for hybrid power engine | |
| CN110300041B (en) | Cloud-based remote maintenance method for automobile electronic control unit | |
| CN104948375A (en) | CNG (compressed natural gas) engine ignition advancer on basis of closed-loop control and method for controlling CNG engine ignition advancer | |
| CN202250427U (en) | Electronic fuel injection controlling system of small gasoline engine | |
| EP2072784A1 (en) | Control device for internal combustion engine | |
| CN101418728B (en) | Method for controlling air input of engine by intake temperature sensor signal | |
| CN201963411U (en) | Independent automatic control device for electronic throttle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190319 |
|
| RJ01 | Rejection of invention patent application after publication |