CN101987624A - Hybrid power whole passenger vehicle operating mode switching control method - Google Patents
Hybrid power whole passenger vehicle operating mode switching control method Download PDFInfo
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- CN101987624A CN101987624A CN2009100673918A CN200910067391A CN101987624A CN 101987624 A CN101987624 A CN 101987624A CN 2009100673918 A CN2009100673918 A CN 2009100673918A CN 200910067391 A CN200910067391 A CN 200910067391A CN 101987624 A CN101987624 A CN 101987624A
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Abstract
The invention relates to a hybrid power passenger vehicle operating mode switching control method. The method is characterized in that: a vehicle controller realizes mode switching of a vehicle through a controller area network (CAN) according to a strategy in a working process, wherein the vehicle control is implemented in the following modes: a stop mode, a start engine mode, a gear shift mode and a power allocation mode MOVE_BRAKING; and in a practical operating process of the vehicle, the vehicle control strategy switches to a corresponding mode according to the present state and signal of the vehicle so as to precisely switch the vehicle control modes finally. The mode switch is very stable and reliable. The dynamic property, the economy and the steerability of the vehicle are optimal.
Description
Technical field:
The present invention relates to a kind of hybrid power passenger car car load mode of operation method for handover control, is a kind of control method of hybrid vehicle.
Background technology:
The control system exploitation of hybrid vehicle is a core work of hybrid vehicle research and development, because hybrid power relates to a plurality of control system, co-operative control process complexity in the car load operational process, each major company all researches and develops in the huge manpower and materials of input both at home and abroad.
The complexity of hybrid power system has determined the complexity of whole-control system exploitation, and therefore whole-control system development progress and the modification and perfection process to hybrid power passenger car proposed a great challenge.
Summary of the invention:
The object of the present invention is to provide a kind of hybrid power passenger car car load mode of operation method for handover control, it is switching control strategy between a kind of parallel hybrid electric car load mode of operation, pattern, this method adopts modular design method, all states of car load operation are divided into different mode of operations according to formulating good control policy, different mode of operations is realized different controllable function, this modular control method helps red tape operation and debugging more, adds speed hybrid whole-control system development process.
Technical scheme of the present invention is achieved in that hybrid power passenger car car load mode of operation method for handover control, whole-control system is by entire car controller (HCU), engine controller (ECU), electric machine controller (MCU), gearbox controller (containing clutch control TCU), power battery management system (BMS) and anti-blocking brake system (ABS) are formed; It is characterized in that: entire car controller has realized that by the CAN network pattern is carried out mode switch according to strategy in the car load working process, and car load control comprises following pattern: shutdown mode STOP; Play driving engine STARTENGINE; Shift mode SHIFT; Power allocation pattern MOVE_BRAKING, car load integrated vehicle control tactics in actual moving process switches to corresponding pattern according to vehicle current state and signal, finally reaches the accurate switching of car load master mode;
(1) STOP car-parking model:
Realize engine shutdown and stopping for charging function according to conditions such as current vehicle speed, engine speed, gears; Can enter from STARTENGINE pattern, MOVING_BRAKING pattern and shift mode switch; The STARTENGINE mode switch to STOP pattern strategy is: satisfy the engine starting success or overtime restriction run up time all switches to the STOP pattern under STARTENGINE pattern prerequisite; The MOVING_BRAKING mode switch is to STOP pattern strategy: if present mode is before the MOVING_BRAKING pattern topic down, if car load satisfy acceleration pedal be zero and parking period reach with 2 conditions of time threshold and switch to the STOP pattern; The shift mode switch is to STOP pattern strategy: under MOVING_BRAKING pattern prerequisite, satisfy acceleration pedal and be zero and the speed of a motor vehicle be zero promptly to switch to the STOP pattern;
(2) ENGINE-START plays the machine state:
It is a machine function that under the condition of neutral gear, realizes driving engine, both can also can be with traditional starter fire an engine according to the control policy of car load with the motor fire an engine, this pattern can only enter switchover policy by the stop pattern: brake pedal is in neutral gear for the zero-sum change speed gear box, and acceleration pedal does not start success greater than zero and driving engine;
(3) SHIFTING shift mode:
After entering shift mode, entire car controller is controlled gearbox controller the controller that corresponding assembly is issued in orders such as driving engine and motor, realizes gear shift according to shift control strategy; Shift mode switching condition, car load master mode under the prerequisite of MOVING_BRAKING pattern, when in case receive that TCU sends enter the shift mode request after enter shift mode;
(4) MOVING-BRAKING normal vehicle operation state:
The states different according to car load can be entered by two patterns, are respectively stop pattern and shif pattern; The strategy that is entered the MOVING-BRAKING pattern by the stop pattern is that handle position is successful at direct speed and engine starting, otherwise returns to the stop pattern; The strategy that enters the MOVING-BRAKING pattern by the shift pattern is that TCU sends and finishes shift command, otherwise returns to the stop pattern.
Good effect of the present invention is that its mode switch is very steady, reliable, and it is optimum that car load dynamic property, economy and driving reach.
Description of drawings:
Fig. 1 is a hybrid power passenger car assembly control system structural representation of the present invention;
Fig. 2 is hybrid power passenger car mode of operation switching flow figure of the present invention;
Fig. 3 STOP car-parking model of the present invention diagram of circuit;
Fig. 4 ENGINE-START of the present invention plays machine state model diagram of circuit;
Fig. 5 SHIFTING shift mode of the present invention diagram of circuit;
Fig. 6 MOVING-BRAKING normal vehicle operation of the present invention state flow chart;
The specific embodiment:
The present invention will be further described below in conjunction with accompanying drawing: shown in Fig. 1-2, entire car controller is according to the state of demand and each parts feedback of chaufeur, the accurate switching of determining car load mode of operation by the control policy that will discuss in detail and control algorithm once, and control command is input to the control unit of each parts by the CAN signalling methods, realize the various functions of hybrid vehicle.Car load control comprises following pattern: STOP (shutdown mode); STARTENGINE (playing driving engine); SHIFT (shift mode); MOVE_BRAKING (power allocation pattern), car load integrated vehicle control tactics in actual moving process switches to corresponding pattern according to vehicle current state and signal, finally reaching the accurate switching of a car load master mode, below is the detailed introduction of this patent to the control policy and the algorithm of each mode switch.
(1) STOP car-parking model:
This pattern realizes engine shutdown and stopping for charging function according to conditions such as current vehicle speed, engine speed, gears.
The STOP car-parking model can be entered from STARTENGINE pattern, MOVING_BRAKING pattern and shift mode switch.As shown in Figure 3, the STARTENGINE mode switch to STOP pattern strategy under STARTENGINE pattern prerequisite, satisfying the engine starting success or overtime restriction run up time all switches to the STOP pattern, the MOVING_BRAKING mode switch is to STOP pattern strategy: if present mode is that topic is down before the MOVING_BRAKING pattern, if car load satisfy acceleration pedal be zero and parking period reach with 2 conditions of time threshold and switch to the STOP pattern, the shift mode switch is to STOP pattern strategy: under MOVING_BRAKING pattern prerequisite, satisfy acceleration pedal and be zero and the speed of a motor vehicle be the zero STOP pattern that promptly switches to.
(2) ENGINE-START plays the machine state:
Pattern as shown in Figure 4 be under the condition of neutral gear, realize driving engine play the machine function, both can also can be with traditional starter fire an engine according to the control policy of car load with the motor fire an engine.This pattern can only enter switchover policy by the stop pattern: brake pedal is in neutral gear for the zero-sum change speed gear box, and acceleration pedal does not start success greater than zero and driving engine.
(3) SHIFTING shift mode:
As shown in Figure 5, enter shift mode after, entire car controller is controlled gearbox controller the controller that corresponding assembly is issued in orders such as driving engine and motor, realizes gear shift according to shift control strategy.
Shift mode switching condition, car load master mode under the prerequisite of MOVING_BRAKING pattern, when in case receive that TCU sends enter the shift mode request after enter shift mode.
(4) MOVING-BRAKING normal vehicle operation state:
Shown in 6, pattern can be entered by two patterns according to the different state of car load, is respectively stop pattern and shif pattern.The strategy that is entered the MOVING-BRAKING pattern by the stop pattern is that handle position is successful at direct speed and engine starting, otherwise returns to the stop pattern.The strategy that enters the MOVING-BRAKING pattern by the shift pattern is that TCU sends and finishes shift command, otherwise returns to the stop pattern.
Switch instances when car load mode of operation, acceleration pedal signal and shift command signal move with car load, from the variation of real vehicle run curve as can be seen, the car load mode of operation takes over seamlessly according to setting control policy, operate steadily from the control effect speed of a motor vehicle and gearshift procedure, mode switch is very appropriate opportunity, has reached splendid control effect.
Claims (1)
1. hybrid power passenger car car load mode of operation method for handover control, whole-control system is by entire car controller HCU, engine controller ECU, electric machine controller MCU, gearbox controller contain clutch control TCU, power battery management system BMS and anti-blocking brake system ABS forms; It is characterized in that: entire car controller has realized that by the CAN network pattern is carried out mode switch according to strategy in the car load working process, and car load control comprises following pattern: shutdown mode STOP; Play driving engine STARTENGINE; Shift mode SHIFT; Power allocation pattern MOVE_BRAKING, car load integrated vehicle control tactics in actual moving process switches to corresponding pattern according to vehicle current state and signal, finally reaches the accurate switching of car load master mode;
(1) STOP car-parking model:
Realize engine shutdown and stopping for charging function according to conditions such as current vehicle speed, engine speed, gears; Can enter from STARTENGINE pattern, MOVING_BRAKING pattern and shift mode switch; The STARTENGINE mode switch to STOP pattern strategy is: satisfy the engine starting success or overtime restriction run up time all switches to the STOP pattern under STARTENGINE pattern prerequisite; The MOVING_BRAKING mode switch is to STOP pattern strategy: if present mode is before the MOVING_BRAKING pattern topic down, if car load satisfy acceleration pedal be zero and parking period reach with 2 conditions of time threshold and switch to the STOP pattern; The shift mode switch is to STOP pattern strategy: under MOVING_BRAKING pattern prerequisite, satisfy acceleration pedal and be zero and the speed of a motor vehicle be zero promptly to switch to the STOP pattern;
(2) ENGINE-START plays the machine state:
It is a machine function that under the condition of neutral gear, realizes driving engine, both can also can be with traditional starter fire an engine according to the control policy of car load with the motor fire an engine, this pattern can only enter switchover policy by the stop pattern: brake pedal is in neutral gear for the zero-sum change speed gear box, and acceleration pedal does not start success greater than zero and driving engine;
(3) SHIFTING shift mode:
After entering shift mode, entire car controller is controlled gearbox controller the controller that corresponding assembly is issued in orders such as driving engine and motor, realizes gear shift according to shift control strategy; Shift mode switching condition, car load master mode under the prerequisite of MOVING_BRAKING pattern, when in case receive that TCU sends enter the shift mode request after enter shift mode;
(4) MOVING-BRAKING normal vehicle operation state:
The states different according to car load can be entered by two patterns, are respectively stop pattern and shif pattern; The strategy that is entered the MOVING-BRAKING pattern by the stop pattern is that handle position is successful at direct speed and engine starting, otherwise returns to the stop pattern; The strategy that enters the MOVING-BRAKING pattern by the shift pattern is that TCU sends and finishes shift command, otherwise returns to the stop pattern.
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Cited By (6)
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US20120290161A1 (en) * | 2011-05-12 | 2012-11-15 | Denso Corporation | Air-conditioning control device for electric vehicle |
CN104670218A (en) * | 2014-12-14 | 2015-06-03 | 励春亚 | Multi-energy comprehensive control method of hierarchical structure of series-parallel hybrid system |
CN104827930A (en) * | 2015-03-25 | 2015-08-12 | 北汽福田汽车股份有限公司 | Method and apparatus for controlling electric driving vehicle |
CN106800017A (en) * | 2015-11-26 | 2017-06-06 | 河北优控新能源科技有限公司 | Automatic transmission for vehicles shift control strategy based on hybrid power system |
CN107856538A (en) * | 2017-11-14 | 2018-03-30 | 华晨汽车集团控股有限公司 | A kind of electric drive system for electric vehicles operating mode switching control method |
CN113104020A (en) * | 2019-12-24 | 2021-07-13 | 北京宝沃汽车股份有限公司 | Hybrid electric vehicle and power control mode decision method and device thereof |
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KR100466165B1 (en) * | 1998-09-14 | 2005-01-14 | 페이스 코포레이션 | Hybrid vehicles |
CN1215947C (en) * | 2002-12-09 | 2005-08-24 | 北京交通大学 | Multiple power assembly controller for parallel mixing power electric car |
CN2657974Y (en) * | 2003-06-25 | 2004-11-24 | 华南理工大学 | Series-parallel type power assembly of mixed power electric vehicle |
DE10353256B3 (en) * | 2003-11-14 | 2005-03-31 | Barske, Heiko, Dr. | Automobile hybrid drive system with common control of converter unit between electrical machine driven by IC engine and electrical energy store and clutches on input and output sides of electrical machine |
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US20120290161A1 (en) * | 2011-05-12 | 2012-11-15 | Denso Corporation | Air-conditioning control device for electric vehicle |
US8774999B2 (en) * | 2011-05-12 | 2014-07-08 | Denso Corporation | Air-conditioning control device for electric vehicle |
CN104670218A (en) * | 2014-12-14 | 2015-06-03 | 励春亚 | Multi-energy comprehensive control method of hierarchical structure of series-parallel hybrid system |
CN104827930A (en) * | 2015-03-25 | 2015-08-12 | 北汽福田汽车股份有限公司 | Method and apparatus for controlling electric driving vehicle |
CN104827930B (en) * | 2015-03-25 | 2017-02-22 | 北汽福田汽车股份有限公司 | Method and apparatus for controlling electric driving vehicle |
CN106800017A (en) * | 2015-11-26 | 2017-06-06 | 河北优控新能源科技有限公司 | Automatic transmission for vehicles shift control strategy based on hybrid power system |
CN107856538A (en) * | 2017-11-14 | 2018-03-30 | 华晨汽车集团控股有限公司 | A kind of electric drive system for electric vehicles operating mode switching control method |
CN113104020A (en) * | 2019-12-24 | 2021-07-13 | 北京宝沃汽车股份有限公司 | Hybrid electric vehicle and power control mode decision method and device thereof |
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