CN101397013A - Hybrid vehicle power control system and drive intention recognition and operation method thereof - Google Patents
Hybrid vehicle power control system and drive intention recognition and operation method thereof Download PDFInfo
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- CN101397013A CN101397013A CNA2008102026250A CN200810202625A CN101397013A CN 101397013 A CN101397013 A CN 101397013A CN A2008102026250 A CNA2008102026250 A CN A2008102026250A CN 200810202625 A CN200810202625 A CN 200810202625A CN 101397013 A CN101397013 A CN 101397013A
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Abstract
The invention discloses a power control system of a hybrid vehicle, which comprises a clutch, a clutch pedal, a gear detection device, a hybrid control unit, an engine, an engine control unit, an accelerator pedal, a motor, a motor controller, a manual gear box and a clutch actuator; the clutch pedal and the gear detection device output information to the hybrid control unit and receive the position signal of the accelerator pedal inputted by the engine control unit by the data exchange of a CAN bus; the clutch pedal and the clutch are separately arranged, detect the control movement information of a driver and transmit the information to the hybrid control unit; the hybrid control unit controls the actuator to finish the movements of separation and combination of the clutch. The method for identifying and controlling the driving intention of the vehicle realized by the system can fully exert the technical advantages of the hybrid vehicle and realize the optimization on the power performance and economic performance of the vehicle under the premise of reserving the control mode of the existing vehicle to the utmost extent.
Description
Technical field
The present invention relates to a kind of power control system and driving intention identification and method of operating of motor vehicle driven by mixed power, more particularly, be a kind ofly to be suitable for having the pure motor driving pattern and to dispose power-transfer clutch and identification of the motor vehicle driven by mixed power power control system of hand-operated transmission and driving intention thereof and method of operating.
Background technology
Motor vehicle driven by mixed power has two propulsions source, thereby has two kinds of stable operation patterns of hybrid mode that simple motor-driven electric-only mode, motor and driving engine are united driving.Between two kinds of mode of operations, switch and to realize by the hot starting, hot start and the shut-down operation of driving engine.
Especially, for the motor vehicle driven by mixed power that is equipped with hand-operated transmission, have a plurality of gears that comprise neutral gear and can change vehicle output torque size until cutting off takeoff output; Simultaneously, by power-transfer clutch can combustion cutoff takeoff output, therefore have different modes and cut off or converge the two-way propulsion source, thereby provide multiple possible operating mode for the driving intention that satisfies chaufeur.
But in the existing motor vehicle driven by mixed power power control system, pedal of clutch and power-transfer clutch pass through mechanical connection, the variety of its mode of operation and combination/conversion thereof causes the complexity of operating, if the input instruction that control system can not the correct understanding chaufeur, even can cause the operation inconvenience of vehicle, can not give full play to the characteristic of motor vehicle driven by mixed power.
Summary of the invention
The present invention is directed to existing conventional truck driver intention identification and trailer reversing technology and follow this problem of comparison difficulty for the driver command of the driving engine of realizing motor vehicle driven by mixed power, identification of a kind of motor vehicle driven by mixed power power control system and driving intention thereof and method of operating have been proposed, this invention can be given full play to the technical advantage of motor vehicle driven by mixed power under the prerequisite that keeps existing trailer reversing mode to greatest extent, reach vehicle power and economy optimization.
The present invention is achieved by the following technical programs:
The motor vehicle driven by mixed power power control system, comprise power-transfer clutch, pedal of clutch, gear detection device, the hybrid power control unit, driving engine, control unit of engine, acceleration pedal, motor, electric machine controller, with wheel bonded assembly Manual transmission, clutch actuator, pedal of clutch and gear detection device output information are to the hybrid power control unit, and receive the acceleration pedal position signal of control unit of engine input by CAN bus data exchange, described pedal of clutch and power-transfer clutch are for separating setting, it detects the control action information of chaufeur and this information is sent to the hybrid power control unit, is finished the separation and the combination action of power-transfer clutch by hybrid power control unit control clutch actr.
The identification of motor vehicle driven by mixed power driving intention and the method for operating that are applicable to the motor vehicle driven by mixed power power control system comprise following 2 kinds of situations:
1) during gear shift, clutch pedal position sensor pedal of clutch information, as detect the information that depressed, if acceleration pedal does not depress simultaneously, then power control system is judged to be gearshift, allows to carry out gear-change operation;
When 2) when driving is converted to hybrid mode by electric-only mode, automobile is under pure electric operation pattern, detect accelerator pedal position and Vehicle Speed value in real time, calculate the product of the two and obtain current driving power demand through necessary correction, when described power demand during greater than setting value, the control start the engine enters hybrid mode.
Owing to adopt above technical scheme, the present invention keeps pedal of clutch, pedal of clutch adopts with power-transfer clutch and separates setting, under the situation of compatible chaufeur for the driving habit of conventional truck, pedal of clutch is input in the hybrid power control unit by the pedal action message of position transduser with chaufeur, for the driving intention of the correct identification of driver of hybrid power control unit provides the most direct status information, the technical advantage of motor vehicle driven by mixed power be can under the prerequisite that keeps existing trailer reversing mode to greatest extent, can give full play to, vehicle power and economy optimization reached.
Description of drawings
Fig. 1 is a motor vehicle driven by mixed power power control system schematic diagram of the present invention;
Fig. 2 is identification of concrete gear shift intention and trailer reversing method;
Fig. 3 is identification of concrete state exchange intention and trailer reversing method;
Fig. 4 is identification of warm start intention and a trailer reversing method under the concrete parking situation;
Fig. 5 is that concrete engine idle is shut down intention identification and trailer reversing method.
The specific embodiment
The invention will be further described with reference to the accompanying drawings below:
As shown in Figure 1, a kind of motor vehicle driven by mixed power power control system, comprise power-transfer clutch, pedal of clutch 2, gear detection device 1, hybrid power control unit 3, driving engine 7, control unit of engine 8, acceleration pedal 9, motor 4, electric machine controller 5, with wheel 10 bonded assembly Manual transmission 11, clutch actuator 6, pedal of clutch 2 and gear detection device 1 output information are to hybrid power control unit 3, and accept acceleration pedal 9 position signals of control unit of engine 8 inputs by CAN bus data exchange, this control system keeps the pedal of clutch 2 of conventional truck in motor vehicle driven by mixed power, but this pedal 2 is different with traditional pedal of clutch, pedal of clutch 2 and power-transfer clutch are for separating setting, its not the direct control power-transfer clutch separation with combine, but detect the control action information of chaufeur and send to hybrid power control unit 3, by hybrid power control unit 3 control clutch actrs 6 finish power-transfer clutch separation and in conjunction with the action, i.e. the separation of power-transfer clutch and in conjunction with the action be by electronics or hydraulic clutch actr 6 finish.
Hybrid power control unit 3 identifies the driving intention of chaufeur and makes correct control action according to pedal of clutch 2, gear detection device 1 and acceleration pedal 9 information characteristics, satisfies the trailer reversing requirement of chaufeur.The identification of motor vehicle driven by mixed power driving intention and the method for operating that are applicable to this motor vehicle driven by mixed power power control system comprise following 2 kinds of situations:
1) driving intention identification trailer reversing method during gear shift:
As shown in Figure 2, the position transduser of pedal of clutch 2 detects pedal of clutch information, as detect and depressed information, if acceleration pedal 9 does not depress simultaneously, then control system is judged to be gearshift, allow to carry out gear-change operation, specifically comprise (1) if when vehicle is in electric-only mode and travels, the motor vehicle driven by mixed power power control system directly carries out carrying out the identification of gear shift intention by the signal from the gear shift sensor, according to the gear shift position information of being obtained, this control system control motor 4 carries out rotating speed follows, and realizes the active synchronized gear shift of motor 4, and gearshift procedure finishes.(2) if vehicle is in hybrid mode, hybrid power control unit 3 at first separates by clutch actuator 6 control clutchs, and then selects the identification of gear shift intention by the signal from gear shift detecting device 1.Selected gear shift position information according to what obtain, this control system control motor 4 carries out rotating speed follows, and realizes the active synchronized gear shift of motor 4, behind the shift end, hybrid power control unit 3 is by the controlled delay combination of clutch actuator realization power-transfer clutch, and gearshift procedure finishes.
Discern the trailer reversing method by electric-only mode to hybrid mode intention when 2) driving a vehicle
As shown in Figure 3, automobile is under pure electric operation pattern, the chaufeur stepping on accelerator pedal degree of depth and Vehicle Speed that hybrid power control unit 3 transmits according to the position transduser of acceleration pedal 9, also pass through corrections such as range state by the product that calculates the two, calculate current driving power demand, (1) when gained demand power value during less than setting value, vehicle continues to keep the electric-only mode operation; (2) when gained demand power during greater than setting value, the starter motor start the engine of hybrid power control unit 3 control driving engines 7 itself.Then 3 pairs of power-transfer clutchs of hybrid power control unit carry out torque control and make its combination, and vehicle enters hybrid mode.
Motor vehicle driven by mixed power driving intention of the present invention identification and method of operating can cooperate with following 2 mode of operation switching processs in specific implementation process to be finished the complete of vehicle and controls and state exchange:
1) identification of warm start intention and trailer reversing method under the Parking situation
As shown in Figure 4, under the vehicle Parking state engine thermal machine shutdown situation, the hybrid power control unit detects the operation state of gear and acceleration pedal the start the engine intention of chaufeur is judged.Concrete grammar is, detecting under the chaufeur situation to put one's foot down, and when hand-operated transmission hung with gear, hybrid power control unit control clutch actr disengaged the clutch (1).Be in general pure electronic starting state this moment; (2) when detecting the extension neutral gear, make the warm start driving engine and judge, hybrid power control unit control start the engine.
2) engine idle is shut down intention identification and trailer reversing method
As shown in Figure 5, travel brake snub by hybrid mode to the dead stop situation, at vehicle if chaufeur places Neutral Position with gear shifting handle; then be identified as chaufeur idle stop intention; under the situation of other conditions permits, kill engine, realize the idle stop function.
Only the present invention will be described for embodiment among the present invention, do not constitute the restriction to the claim scope, and other substantial substituting that those skilled in that art can expect are all in the scope of protection of the invention.
Claims (2)
1. motor vehicle driven by mixed power power control system, comprise power-transfer clutch, pedal of clutch, gear detection device, the hybrid power control unit, driving engine, control unit of engine, acceleration pedal, motor, electric machine controller, Manual transmission, clutch actuator, pedal of clutch and gear detection device output information are to the hybrid power control unit, and receive the acceleration pedal position signal of control unit of engine input by CAN bus data exchange, it is characterized in that: described pedal of clutch and power-transfer clutch are for separating setting, it detects the control action information of chaufeur and this information is sent to the hybrid power control unit, is finished the separation and the combination action of power-transfer clutch by hybrid power control unit control clutch actr.
2. the motor vehicle driven by mixed power driving intention is discerned and method of operating, it is characterized in that: the identification of motor vehicle driven by mixed power driving intention and the method for operating that are applicable to motor vehicle driven by mixed power power control system as claimed in claim 1 comprise following 2 kinds of situations:
A) during gear shift, clutch pedal position sensor pedal of clutch information, as detect the information that depressed, if acceleration pedal does not depress simultaneously, then control system is judged to be gearshift, allows to carry out gear-change operation;
When b) when driving is converted to hybrid mode by electric-only mode, automobile is under pure electric operation pattern, detect accelerator pedal position and Vehicle Speed value in real time, calculate the product of the two and obtain current driving power demand through necessary correction, when described power demand during greater than setting value, the control start the engine enters hybrid mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102026250A CN101397013A (en) | 2008-11-12 | 2008-11-12 | Hybrid vehicle power control system and drive intention recognition and operation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102026250A CN101397013A (en) | 2008-11-12 | 2008-11-12 | Hybrid vehicle power control system and drive intention recognition and operation method thereof |
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| CN101397013A true CN101397013A (en) | 2009-04-01 |
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| CNA2008102026250A Pending CN101397013A (en) | 2008-11-12 | 2008-11-12 | Hybrid vehicle power control system and drive intention recognition and operation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085796A (en) * | 2011-01-07 | 2011-06-08 | 上海交通大学 | Modularized electric automobile |
| CN102133893A (en) * | 2010-01-25 | 2011-07-27 | 北京理工大学 | Method for controlling impact generated by shifting of drive system of electric automobile |
| CN102869528A (en) * | 2010-04-28 | 2013-01-09 | 丰田自动车株式会社 | Gear shift instruction system for vehicles |
| CN103204165A (en) * | 2013-05-06 | 2013-07-17 | 湖南大学 | Entire-car power output optimization control method of electric car |
| CN105438181A (en) * | 2014-09-22 | 2016-03-30 | 现代自动车株式会社 | Apparatus and method for controlling driving mode of vehicle |
| JP2016161051A (en) * | 2015-03-02 | 2016-09-05 | トヨタ自動車株式会社 | Vehicle control device |
| CN106574670A (en) * | 2014-08-06 | 2017-04-19 | 日产自动车株式会社 | Vehicle control device, and vehicle control method |
| CN107132840A (en) * | 2017-05-03 | 2017-09-05 | 厦门大学 | A kind of vertical/horizontal/vertical cooperative control method that personalizes of cross-country electric drive vehicle |
| CN108860169A (en) * | 2017-05-11 | 2018-11-23 | 卢卡斯汽车股份有限公司 | System and method for expectedly influencing the speed of motor vehicles |
| CN112428982A (en) * | 2019-08-07 | 2021-03-02 | 纬湃科技投资(中国)有限公司 | Signal processing method for accelerator pedal of hybrid electric vehicle |
| CN112550268A (en) * | 2020-12-08 | 2021-03-26 | 奇瑞商用车（安徽）有限公司 | Power system control method of series-parallel hybrid electric vehicle |
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2008
- 2008-11-12 CN CNA2008102026250A patent/CN101397013A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133893A (en) * | 2010-01-25 | 2011-07-27 | 北京理工大学 | Method for controlling impact generated by shifting of drive system of electric automobile |
| CN102869528A (en) * | 2010-04-28 | 2013-01-09 | 丰田自动车株式会社 | Gear shift instruction system for vehicles |
| CN102869528B (en) * | 2010-04-28 | 2015-09-23 | 丰田自动车株式会社 | The Gear shift instruction system of vehicle |
| CN102085796A (en) * | 2011-01-07 | 2011-06-08 | 上海交通大学 | Modularized electric automobile |
| CN103204165A (en) * | 2013-05-06 | 2013-07-17 | 湖南大学 | Entire-car power output optimization control method of electric car |
| CN103204165B (en) * | 2013-05-06 | 2015-09-16 | 湖南大学 | A kind of electric automobile whole Power output optimal control method |
| CN106574670A (en) * | 2014-08-06 | 2017-04-19 | 日产自动车株式会社 | Vehicle control device, and vehicle control method |
| CN105438181A (en) * | 2014-09-22 | 2016-03-30 | 现代自动车株式会社 | Apparatus and method for controlling driving mode of vehicle |
| CN105438181B (en) * | 2014-09-22 | 2019-05-07 | 现代自动车株式会社 | Device and method for controlling the driving mode of vehicle |
| CN105936263A (en) * | 2015-03-02 | 2016-09-14 | 丰田自动车株式会社 | Vehicle control device |
| CN105936263B (en) * | 2015-03-02 | 2018-12-04 | 丰田自动车株式会社 | Controller of vehicle |
| JP2016161051A (en) * | 2015-03-02 | 2016-09-05 | トヨタ自動車株式会社 | Vehicle control device |
| CN107132840A (en) * | 2017-05-03 | 2017-09-05 | 厦门大学 | A kind of vertical/horizontal/vertical cooperative control method that personalizes of cross-country electric drive vehicle |
| CN107132840B (en) * | 2017-05-03 | 2019-12-10 | 厦门大学 | Cross-country electrically-driven unmanned vehicle longitudinal/transverse/vertical personification cooperative control method |
| CN108860169A (en) * | 2017-05-11 | 2018-11-23 | 卢卡斯汽车股份有限公司 | System and method for expectedly influencing the speed of motor vehicles |
| CN108860169B (en) * | 2017-05-11 | 2023-09-26 | 采埃孚主动安全股份有限公司 | System and method for predictively influencing the speed of a motor vehicle |
| CN112428982A (en) * | 2019-08-07 | 2021-03-02 | 纬湃科技投资(中国)有限公司 | Signal processing method for accelerator pedal of hybrid electric vehicle |
| CN112428982B (en) * | 2019-08-07 | 2022-02-01 | 纬湃科技投资(中国)有限公司 | Signal processing method for accelerator pedal of hybrid electric vehicle |
| CN112550268A (en) * | 2020-12-08 | 2021-03-26 | 奇瑞商用车（安徽）有限公司 | Power system control method of series-parallel hybrid electric vehicle |
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Open date: 20090401 |