CN109249927A - A kind of system and method for simulation accelerated pedal signal optimal control parallel connection torque - Google Patents
A kind of system and method for simulation accelerated pedal signal optimal control parallel connection torque Download PDFInfo
- Publication number
- CN109249927A CN109249927A CN201810998802.4A CN201810998802A CN109249927A CN 109249927 A CN109249927 A CN 109249927A CN 201810998802 A CN201810998802 A CN 201810998802A CN 109249927 A CN109249927 A CN 109249927A
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- China
- Prior art keywords
- engine
- accelerator pedal
- entire car
- car controller
- control unit
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0604—Throttle position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0666—Engine torque
Abstract
The invention discloses a kind of system and methods of simulation accelerated pedal signal optimal control parallel connection torque, including entire car controller, control unit of engine, motor control unit, it further include accelerator pedal jaw opening sensor, the control unit of engine controls engine according to the opening information of accelerator pedal, and accelerator pedal aperture analogue unit is additionally provided in the entire car controller；The entire car controller calculates the target opening value of accelerator pedal according to the sensing signal of current vehicle condition and the accelerator pedal jaw opening sensor received according to pre-defined rule, and corresponding opening information is produced by accelerator pedal aperture analogue unit simulation, the control unit of engine controls engine according to this opening information.Engine and motor can be enabled to reach best matching, while greatly promoting the dynamic property and accelerating ability of vehicle, the ride comfort of vehicle torque is improved, improve fuel economy, promoted and drive subjective feeling.
Description
Technical field
The present invention relates to a kind of system and method more particularly to a kind of simulation accelerated pedal signal optimal control parallel connection torques
System and method.
Background technique
It is to be driven vehicle jointly by engine and motor and mentioned when vehicle suddenly accelerates for hybrid vehicle
High accelerating ability.
As shown in Figure 1, hybrid vehicle in the prior art, is equipped with accelerator pedal jaw opening sensor, engine control
Unit processed directly controls engine according to the opening information of accelerator pedal.Moreover, control unit of engine can also acquire
The opening information of accelerator pedal is simultaneously sent to entire car controller via CAN bus, so that entire car controller is with reference to verification.
It is envisioned that in the case where motor power-assisted, since Motor torque characteristic is different from engine torque characteristics,
In the case that suddenly accelerate, the two can not close fit to generate optimal acceleration effect, driven to affect driver's subjectivity
Sail the promotion of impression.
Summary of the invention
The present invention is directed to the drawbacks of prior art, and provide a kind of simulation accelerated pedal signal optimal control parallel connection torque is
System and method.
The system of simulation accelerated pedal signal optimal control parallel connection torque of the present invention, including entire car controller, start
Machine control unit, motor control unit further include accelerator pedal jaw opening sensor, and the control unit of engine is stepped on according to acceleration
The opening information of plate controls engine, and accelerator pedal aperture analogue unit is additionally provided in the entire car controller；
The entire car controller according to current vehicle condition and the sensing signal of accelerator pedal jaw opening sensor received according to
Pre-defined rule calculates the target opening value of accelerator pedal, and is produced accordingly by accelerator pedal aperture analogue unit simulation
Opening information, the control unit of engine controls engine according to this opening information.
In the system of simulation accelerated pedal signal optimal control parallel connection torque of the present invention, the entire car controller is set
It is equipped with the data-interface of the sensing signal for receiving the accelerator pedal jaw opening sensor.
It is whole the present invention also provides a kind of method using the simulation accelerated pedal signal optimal control parallel connection torque of aforementioned system
Vehicle controller is calculated according to the sensing signal of current vehicle condition and the accelerator pedal jaw opening sensor received according to pre-defined rule
The target opening value of accelerator pedal, and believe to the aperture that control unit of engine output corresponds to the target opening value
Breath, the control unit of engine control engine according to the opening information.
In method of the present invention, the current vehicle condition includes the aperture of the current gas pedal of vehicle, current throttle
The rate of change of pedal, the revolving speed of present engine and current speed.
In method of the present invention, the pre-defined rule is that vehicle is under the operating condition of motor parallel power-assisted driving, whole
Vehicle controller is according to the rate of change of current vehicle speed, the aperture of current throttle pedal and current throttle pedal, in vehicle low speed
The driving torque of Shi Zengjia motor, and as the increase of speed gradually decreases the driving torque of motor.
In method of the present invention, the entire car controller reads control unit of engine by CAN bus and receives
The opening information for verifying.
The present invention changes and is added by entire car controller acquisition by the way that accelerator pedal aperture analogue unit is arranged in entire car controller
The signal of speed pedal jaw opening sensor, then in conjunction with the drive demand and vehicle startup of the current vehicle condition of vehicle and driver
Machine characteristic and motor characteristic, and then engine condition can be enabled to reach best required to calculate according to preset rules
Accelerator pedal opening value.On this basis, aforementioned calculated accelerator pedal is simulated by accelerator pedal aperture analogue unit to open
Angle value, then control unit of engine is sent to by rigid line, by control unit of engine according to this accelerator pedal opening value to hair
Motivation is controlled, and with the matching for enabling engine and motor reach best, greatly promotes the dynamic property and accelerating ability of vehicle
Meanwhile the ride comfort of vehicle torque is improved, improve fuel economy, is promoted and drive subjective feeling.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the torque control system in parallel of hybrid vehicle in the prior art；
Fig. 2 is the structural schematic diagram of the system of simulation accelerated pedal signal optimal control parallel connection torque of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
As shown in Fig. 2, the system of simulation accelerated pedal signal optimal control parallel connection torque of the present invention, including vehicle
Controller, control unit of engine, motor control unit further include accelerator pedal jaw opening sensor, and the engine control is single
Member controls engine according to the opening information of accelerator pedal.Engine in the prior art and electricity are similar to avoid the occurrence of
The incoordination of machine control, the present invention are additionally provided with accelerator pedal aperture analogue unit, the acceleration in the entire car controller
Pedal opening analogue unit can simulate the accelerator pedal opening information for being adapted to control unit of engine, start for described
Machine control unit controls engine.
Specifically, according to current vehicle condition, (current vehicle condition described here refers to that vehicle is in simultaneously to the entire car controller
Join under driving condition, it is the aperture of current gas pedal, current when motor and engine drive vehicle to be given it the gun jointly
The rate of change of gas pedal, current speed and present engine revolving speed) and the accelerator pedal aperture that receives pass
The sensing signal of sensor according to pre-defined rule (i.e. vehicle be in motor parallel power-assisted driving operating condition under, entire car controller according to
The rate of change of current vehicle speed, the aperture of current throttle pedal and current throttle pedal increases motor in vehicle low speed
Driving torque, and as the increase of speed gradually decreases the driving torque of motor) the target opening value of accelerator pedal is calculated, and
Corresponding opening information is produced by accelerator pedal aperture analogue unit simulation, the control unit of engine is opened according to this
Degree information controls engine.
That is, under current vehicle condition, if the cooperation of engine to be reached and motor control, needs engine
There is corresponding adjustment with motor.For the matching for making engine and motor reach best, the dynamic property and acceleration of vehicle are promoted
The ride comfort of energy and vehicle torque improves fuel economy, is promoted and drives subjective feeling, drives when vehicle is in motor parallel power-assisted
Under dynamic operating condition, integrated vehicle control tactics are adjusted as follows: entire car controller is opened according to current vehicle speed and current throttle pedal
Degree and rate of change, the driving torque of reasonable distribution motor and engine increase the torsion of motor in the lower operating condition of car speed
Square allocation proportion makes motor export larger driving torque；As the increase of speed gradually decreases the bias ratio example of motor.From
Overall effect sees that accelerating ability does not reduce, and torque ride comfort is obviously improved with subjective driving experience, and fuel economy slightly has
It improves.
Accelerator pedal aperture analogue unit is set in the entire car controller in view of in the present invention, then, described
The data-interface of the sensing signal for receiving the accelerator pedal jaw opening sensor is also correspondingly arranged on entire car controller.
The present invention also provides a kind of methods using the simulation accelerated pedal signal optimal control parallel connection torque of above system.?
In this method, the entire car controller according to current vehicle condition and the sensing signal of accelerator pedal jaw opening sensor received according to
Pre-defined rule calculates the target opening value of accelerator pedal, and corresponds to the target to control unit of engine output and open
The opening information of angle value, the control unit of engine control engine according to the opening information.It is described here to work as
Preceding vehicle condition include the aperture of the current gas pedal of vehicle, the rate of change of current throttle pedal, present engine revolving speed, with
And current speed.The pre-defined rule is that vehicle be under the operating condition that motor parallel power-assisted drives, and entire car controller is according to working as
The rate of change of preceding speed, the aperture of current throttle pedal and current throttle pedal increases the drive of motor in vehicle low speed
Dynamic torque, and as the increase of speed gradually decreases the driving torque of motor.
The present invention changes and is added by entire car controller acquisition by the way that accelerator pedal aperture analogue unit is arranged in entire car controller
The signal of speed pedal jaw opening sensor, then in conjunction with the drive demand and vehicle startup of the current vehicle condition of vehicle and driver
Machine characteristic and motor characteristic, and then engine condition can be enabled to reach best required to calculate according to preset rules
Accelerator pedal opening value.On this basis, aforementioned calculated accelerator pedal is simulated by accelerator pedal aperture analogue unit to open
Angle value, then control unit of engine is sent to by rigid line, by control unit of engine according to this accelerator pedal opening value to hair
Motivation is controlled, with the matching for enabling engine and motor reach best.
Meanwhile entire car controller also reads the opening information that control unit of engine receives by CAN bus, and
The opening information is verified to meet existing control logic, is opened to enable control unit of engine think received
Degree information is the real opening information of accelerator pedal, in this way, the just torque of controllable engine, makes engine and motor coordination
Work realizes the control of engine optimum state, gives full play to motor and the respective advantage of engine, provide under anxious accelerating mode
Powerful motor booster torquemoment improves the ride comfort of vehicle torque while greatly promoting the dynamic property and accelerating ability of vehicle,
Improve fuel economy, is promoted and drive subjective feeling, meet the individual demand of customer.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (6)
1. a kind of system of simulation accelerated pedal signal optimal control parallel connection torque, including the control of entire car controller, engine are single
Member, motor control unit, further include accelerator pedal jaw opening sensor, and the control unit of engine is according to the aperture of accelerator pedal
Information controls engine, which is characterized in that accelerator pedal aperture analogue unit is additionally provided in the entire car controller；
The entire car controller is according to the sensing signal of current vehicle condition and the accelerator pedal jaw opening sensor received according to predetermined
Rule calculates the target opening value of accelerator pedal, and is produced by accelerator pedal aperture analogue unit simulation and opened accordingly
Information is spent, the control unit of engine controls engine according to this opening information.
2. the system of simulation accelerated pedal signal optimal control parallel connection torque as described in claim 1, which is characterized in that described
Entire car controller is provided with the data-interface of the sensing signal for receiving the accelerator pedal jaw opening sensor.
3. a kind of method using the simulation accelerated pedal signal optimal control parallel connection torque of system described in claim 1, feature
It is, entire car controller is according to the sensing signal of current vehicle condition and the accelerator pedal jaw opening sensor received according to pre-defined rule
The target opening value of accelerator pedal is calculated, and corresponds to opening for the target opening value to control unit of engine output
Information is spent, the control unit of engine controls engine according to the opening information.
4. method as claimed in claim 3, which is characterized in that the current vehicle condition includes opening for the current gas pedal of vehicle
Degree, the revolving speed of the rate of change of current throttle pedal, present engine and current speed.
5. method as claimed in claim 3, which is characterized in that the pre-defined rule is that vehicle is in the driving of motor parallel power-assisted
Operating condition under, entire car controller is according to the variation of current vehicle speed, the aperture of current throttle pedal and current throttle pedal speed
Rate increases the driving torque of motor in vehicle low speed, and as the increase of speed gradually decreases the driving torque of motor.
6. method as claimed in claim 3, which is characterized in that the entire car controller reads engine control by CAN bus
The opening information that unit processed receives is for verifying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810998802.4A CN109249927A (en) | 2018-08-28 | 2018-08-28 | A kind of system and method for simulation accelerated pedal signal optimal control parallel connection torque |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810998802.4A CN109249927A (en) | 2018-08-28 | 2018-08-28 | A kind of system and method for simulation accelerated pedal signal optimal control parallel connection torque |
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| Publication Number | Publication Date |
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| CN109249927A true CN109249927A (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810998802.4A Pending CN109249927A (en) | 2018-08-28 | 2018-08-28 | A kind of system and method for simulation accelerated pedal signal optimal control parallel connection torque |
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| CN (1) | CN109249927A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110040002A (en) * | 2019-03-26 | 2019-07-23 | 阿尔特汽车技术股份有限公司 | A kind of optimal control method of motor of hybrid power automobile booster torquemoment peak value |
| CN113232523A (en) * | 2021-07-02 | 2021-08-10 | 江铃汽车股份有限公司 | Method for calculating opening degree of virtual accelerator pedal under cruising condition of electric automobile |
| WO2022089533A1 (en) * | 2020-10-28 | 2022-05-05 | 中国第一汽车股份有限公司 | Method for acquiring accelerator pedal opening of vehicle, active sound-generating system and vehicle |
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| CN106347352A (en) * | 2015-07-14 | 2017-01-25 | 上汽通用汽车有限公司 | Hybrid power energy management system and control method thereof |
| CN107745712A (en) * | 2017-10-31 | 2018-03-02 | 奇瑞汽车股份有限公司 | The method and apparatus for controlling vehicle cruise |
| US20180105047A1 (en) * | 2016-10-17 | 2018-04-19 | Toyota Motor Engineering & Manufacturing North America, Inc. | Motor-generated assist torque control for hybrid vehicles |
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| CN202071830U (en) * | 2011-05-12 | 2011-12-14 | 上海汽车集团股份有限公司 | Hybrid-vehicle torque-monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110040002A (en) * | 2019-03-26 | 2019-07-23 | 阿尔特汽车技术股份有限公司 | A kind of optimal control method of motor of hybrid power automobile booster torquemoment peak value |
| WO2022089533A1 (en) * | 2020-10-28 | 2022-05-05 | 中国第一汽车股份有限公司 | Method for acquiring accelerator pedal opening of vehicle, active sound-generating system and vehicle |
| CN113232523A (en) * | 2021-07-02 | 2021-08-10 | 江铃汽车股份有限公司 | Method for calculating opening degree of virtual accelerator pedal under cruising condition of electric automobile |
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Application publication date: 20190122 |
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