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CN104554240A - Serial-to-parallel control method of electrical-electric connecting type hybrid power system - Google Patents

Serial-to-parallel control method of electrical-electric connecting type hybrid power system Download PDF

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Publication number
CN104554240A
CN104554240A CN201410853988.6A CN201410853988A CN104554240A CN 104554240 A CN104554240 A CN 104554240A CN 201410853988 A CN201410853988 A CN 201410853988A CN 104554240 A CN104554240 A CN 104554240A
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China
Prior art keywords
rotating speed
engine
parallel
control
setting
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Granted
Application number
CN201410853988.6A
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Chinese (zh)
Other versions
CN104554240B (en
Inventor
岳淑彪
陈慧勇
苏常军
杨学青
许盛中
李涛
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Yutong Bus Co Ltd
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Zhengzhou Yutong Bus Co Ltd
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Priority to CN201410853988.6A priority Critical patent/CN104554240B/en
Publication of CN104554240A publication Critical patent/CN104554240A/en
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Publication of CN104554240B publication Critical patent/CN104554240B/en
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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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • 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
    • B60W20/20—Control strategies involving selection of hybrid configuration, e.g. selection between series or parallel configuration
    • 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
    • B60W2510/0638—Engine speed
    • 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
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/06—Ignition switch
    • 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
    • B60W2710/0605—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
    • B60W2710/0616—Position of fuel or air injector
    • 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
    • B60W2710/08—Electric propulsion units
    • B60W2710/081—Speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a serial-to-parallel control method of an electrical-electric connecting type hybrid power system. The method is that when a vehicle meets the condition of entering parallel connection and an engine is failed to be started, ISG (Integrated Starter Generator) is subjected to rotating speed control, namely, the target rotating speed is the rotating speed of a main motor; the engine supplies air when reaching the set rotating speed n1, and is ignited when reaching the set rotating speed n2; when starting successfully, the ISG remains the rotating speed control; on the basis of the rotating speed of the main motor, the engine control is replaced by accelerator control, and a proper accelerator value is provided; when the rotating speed difference between the engine and the main motor is less than the set rotating speed difference value, a clutch is connected, and the vehicle enters the parallel connection mode. The method has the outstanding characteristics that the ISG is subjected to rotating speed control under a serial-to-parallel mode; the engine is subjected to accelerator control and the proper accelerator value is provided on the basis of the rotating speed of the main motor, so that the speed regulating can be responded fast; in addition, the response of the engine in the parallel connection mode is faster than that of the mode that the engine control is performed and the accelerator value is 0 during speed adjustment; the hybrid power system is free of power cut-off after the clutch is connected.

Description

A kind of pneumoelectric series-parallel hybrid electric system series connection turns control method for parallel
Technical field
The present invention relates to the series connection of a kind of pneumoelectric series-parallel hybrid electric system and turn control method for parallel.
Background technology
Be illustrated in figure 1 existing pneumoelectric series-parallel hybrid electric system, as seen from the figure, this system comprises coaxially arranged driving engine 1, ISG motor 3 and mair motor 5, wherein, ISG motor 3 and engine output shaft are in transmission connection by torsion vibration absorber 2, and be in transmission connection by power-transfer clutch 4 between ISG motor 3 and mair motor 5, mair motor directly connects drive axle and drives car load.According to the mode of operation of power-transfer clutch 4, this system can be divided into series model and paralleling model, and series model refers to that power-transfer clutch is in released state, and mair motor is unique drive element; Paralleling model refers to that power-transfer clutch combines, and driving engine or mair motor are drive elements.
Current series connection turns paralleling model following two kinds of modes: (1) control of engine speed, ISG direct torque: if driving engine is not shut down, driving engine adopts rotating speed to control, and rotating speed of target is mair motor rotating speed, ISG motor adopts direct torque, and target torque is 0Nm; If driving engine is shut down, ISG motor adopts direct torque by engine starting success, and then driving engine adopts rotating speed to control, and rotating speed of target is mair motor rotating speed, and ISG motor adopts direct torque, and target torque is 0Nm.Because gas blowing engine response is comparatively slow, and there is the factors such as speed governing is unstable and cause series connection to turn paralleling model to transform slow.(2) ISG rotating speed controls, and driving engine adopts Throttle Opening Control and is 0 throttle: if driving engine is not shut down, and ISG adopts rotating speed to control, and rotating speed of target is mair motor rotating speed, and driving engine adopts Throttle Opening Control and is 0 throttle; If driving engine is shut down, ISG motor first adopts direct torque by engine starting success, and then ISG adopts rotating speed to control, and rotating speed of target is mair motor rotating speed, and driving engine adopts Throttle Opening Control and is 0 throttle.The shortcoming of this mode is: when driving engine has load (as air compressor of air conditioner work etc.) or mair motor rotating speed is higher, ISG is limited by Power Limitation own causes speed governing slower; Power-transfer clutch participates in driving in conjunction with the instruction of rear engine response full-vehicle control, and because gas machine is from 0 throttle to target throttle low-response, driver feels that vehicle exists power interruption problem.
As from the foregoing, now series connection turns a mode in parallel and has that patten transformation is slow, there is the problems such as power interruption after patten transformation.
Summary of the invention
The object of this invention is to provide the series connection of a kind of pneumoelectric series-parallel hybrid electric system and turn control method for parallel, the patten transformation that existing mode exists is slow to solve, exist after patten transformation the problem of power interruption.
In order to realize above object, the technical solution adopted in the present invention is: a kind of pneumoelectric series-parallel hybrid electric system series connection turns control method for parallel, comprises the steps:
(1) when vehicle meet enter condition in parallel time, judge whether driving engine has completed machine, if do not complete, then ISG motor employing rotating speed control, rotating speed of target is mair motor rotating speed;
(2) when engine speed reaches the rotating speed n1 of setting, to driving engine air feed;
(3) when engine speed reaches the rotating speed n2 of setting, engine ignition;
(4) when engine speed reaches the rotating speed n3 of setting, driving engine has completed machine, and now ISG adopts rotating speed to control, and follows mair motor rotating speed, and driving engine adopts Throttle Opening Control, and given throttle value;
(5) when driving engine and mair motor speed discrepancy are less than setting speed difference, power-transfer clutch combines, and vehicle enters paralleling model, and driving engine participates in driving.
The rotating speed n1 of setting is 200rpm.
The rotating speed n2 of setting is 400rpm.
The rotating speed n3 of setting is 550rpm.
The setting speed difference of driving engine and mair motor is 50rpm.
The outstanding feature that pneumoelectric series-parallel hybrid electric system of the present invention series connection turns control method for parallel is that series connection is when turning paralleling model, ISG motor adopts rotating speed to control, follow the rotating speed of mair motor, and driving engine is Throttle Opening Control and given suitable throttle value, speed governing response is very fast, and enter in paralleling model rear engine response ratio speed regulation process adopt engine control and throttle value be 0 mode want fast, hybrid power system power failure-free after power-transfer clutch combines.
Accompanying drawing explanation
Fig. 1 is existing series-parallel hybrid electric system constructional drawing;
Fig. 2 is that the present invention connects and turns paralleling model control flow chart.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described further.
As shown in Figure 2, pneumoelectric series-parallel hybrid electric system of the present invention series connection turns control method for parallel and comprises the steps:
(1) when vehicle meet enter condition in parallel time, judge whether driving engine has completed machine, if driving engine has completed machine, the control of now ISG employing rotating speed, follow mair motor rotating speed, engine control is Throttle Opening Control, and given suitable throttle value; If do not complete, then ISG motor adopts rotating speed to control, and rotating speed of target is mair motor rotating speed;
(2) when engine speed reaches the rotating speed n1 of setting, Controlling solenoid valve is to driving engine air feed;
(3) when engine speed reaches the rotating speed n2 of setting, engine ignition;
(4) when engine speed reaches the rotating speed n3 of setting, driving engine has completed machine, and now ISG adopts rotating speed to control, and follows mair motor rotating speed, and driving engine adopts Throttle Opening Control, and given suitable throttle value;
(5) when driving engine and mair motor speed discrepancy are less than setting speed difference, power-transfer clutch combines, and vehicle enters paralleling model, and driving engine participates in driving.
In the present embodiment, each setting speed value of driving engine is as follows: the rotating speed n1 of setting is 200rpm, and the rotating speed n2 of setting is 400rpm, and the rotating speed n3 of setting is 550rpm; The setting speed difference of driving engine and mair motor is 50rpm.
Above embodiment only understands core concept of the present invention for helping; the present invention can not be limited with this; for those skilled in the art; every according to thought of the present invention; the present invention is modified or equivalent replacement; any change done in specific embodiments and applications, all should be included within protection scope of the present invention.

Claims (5)

1. the series connection of pneumoelectric series-parallel hybrid electric system turns a control method for parallel, it is characterized in that, comprises the steps:
(1) when vehicle meet enter condition in parallel time, judge whether driving engine has completed machine, if do not complete, then ISG motor employing rotating speed control, rotating speed of target is mair motor rotating speed;
(2) when engine speed reaches the rotating speed n1 of setting, to driving engine air feed;
(3) when engine speed reaches the rotating speed n2 of setting, engine ignition;
(4) when engine speed reaches the rotating speed n3 of setting, driving engine has completed machine, and now ISG adopts rotating speed to control, and follows mair motor rotating speed, and driving engine adopts Throttle Opening Control, and given throttle value;
(5) when driving engine and mair motor speed discrepancy are less than setting speed difference, power-transfer clutch combines, and vehicle enters paralleling model, and driving engine participates in driving.
2. pneumoelectric series-parallel hybrid electric system series connection according to claim 1 turns control method for parallel, it is characterized in that: the rotating speed n1 of setting is 200rpm.
3. pneumoelectric series-parallel hybrid electric system series connection according to claim 1 turns control method for parallel, it is characterized in that: the rotating speed n2 of setting is 400rpm.
4. pneumoelectric series-parallel hybrid electric system series connection according to claim 1 turns control method for parallel, it is characterized in that: the rotating speed n3 of setting is 550rpm.
5. pneumoelectric series-parallel hybrid electric system series connection according to claim 1 turns control method for parallel, it is characterized in that: the setting speed difference of driving engine and mair motor is 50rpm.
CN201410853988.6A 2014-12-31 2014-12-31 A kind of pneumoelectric series-parallel hybrid electric system series connection turns control method for parallel Active CN104554240B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104859658A (en) * 2015-04-30 2015-08-26 郑州宇通客车股份有限公司 Downhill slide control method of hybrid electric vehicle
CN104890667A (en) * 2015-05-04 2015-09-09 郑州宇通客车股份有限公司 Quick starting method of hybrid electric vehicle engine
CN106080581A (en) * 2016-08-16 2016-11-09 潍柴动力股份有限公司 A kind of hybrid vehicle and the engine start control method of this automobile
CN106246431A (en) * 2015-06-04 2016-12-21 铃木株式会社 Engine start control system
WO2017186133A1 (en) * 2016-04-28 2017-11-02 广州汽车集团股份有限公司 Control method and system for clutch engagement of hybrid power vehicle
CN109278740A (en) * 2018-08-29 2019-01-29 江铃控股有限公司 Control method, device, system and the automobile of hybrid vehicle
CN113089739A (en) * 2021-03-17 2021-07-09 三一汽车起重机械有限公司 Method and device for controlling working machine, and electronic device

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CN102167037A (en) * 2011-04-18 2011-08-31 奇瑞汽车股份有限公司 Method for reducing peak rotating speed during engine starting of hybrid electric vehicle
CN102180167A (en) * 2011-04-18 2011-09-14 奇瑞汽车股份有限公司 Method for controlling engine revolution speed during starting of hybrid power vehicle
CN202345364U (en) * 2011-10-29 2012-07-25 郑州宇通客车股份有限公司 Driving system for parallel-series hybrid power system
CN202896272U (en) * 2012-10-19 2013-04-24 浙江德润中环电动汽车科技有限公司 Novel series-parallel hybrid electric vehicle
CN203157693U (en) * 2013-01-22 2013-08-28 郑州宇通客车股份有限公司 Bi-motor multi-mode hybrid power driving system
CN104149775A (en) * 2013-05-14 2014-11-19 现代自动车株式会社 System and method of converting driving mode and controlling shifting of hybrid vehicle
CN104175858A (en) * 2014-08-06 2014-12-03 奇瑞汽车股份有限公司 Electric four-wheel drive hybrid power system

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US20090234524A1 (en) * 2008-03-14 2009-09-17 Hyundai Motor Company Torque control method for hybrid electric vehicle
CN102167037A (en) * 2011-04-18 2011-08-31 奇瑞汽车股份有限公司 Method for reducing peak rotating speed during engine starting of hybrid electric vehicle
CN102180167A (en) * 2011-04-18 2011-09-14 奇瑞汽车股份有限公司 Method for controlling engine revolution speed during starting of hybrid power vehicle
CN202345364U (en) * 2011-10-29 2012-07-25 郑州宇通客车股份有限公司 Driving system for parallel-series hybrid power system
CN202896272U (en) * 2012-10-19 2013-04-24 浙江德润中环电动汽车科技有限公司 Novel series-parallel hybrid electric vehicle
CN203157693U (en) * 2013-01-22 2013-08-28 郑州宇通客车股份有限公司 Bi-motor multi-mode hybrid power driving system
CN104149775A (en) * 2013-05-14 2014-11-19 现代自动车株式会社 System and method of converting driving mode and controlling shifting of hybrid vehicle
CN104175858A (en) * 2014-08-06 2014-12-03 奇瑞汽车股份有限公司 Electric four-wheel drive hybrid power system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104859658A (en) * 2015-04-30 2015-08-26 郑州宇通客车股份有限公司 Downhill slide control method of hybrid electric vehicle
CN104890667A (en) * 2015-05-04 2015-09-09 郑州宇通客车股份有限公司 Quick starting method of hybrid electric vehicle engine
CN104890667B (en) * 2015-05-04 2017-11-14 郑州宇通客车股份有限公司 A kind of hybrid electric vehicle engine fast startup procedure
CN106246431A (en) * 2015-06-04 2016-12-21 铃木株式会社 Engine start control system
CN106246431B (en) * 2015-06-04 2018-07-27 铃木株式会社 Engine start control system and vehicle
WO2017186133A1 (en) * 2016-04-28 2017-11-02 广州汽车集团股份有限公司 Control method and system for clutch engagement of hybrid power vehicle
US10913447B2 (en) 2016-04-28 2021-02-09 Guangzhou Automobile Group Co., Ltd. Control method and system for clutch engagement of hybrid vehicle
CN106080581A (en) * 2016-08-16 2016-11-09 潍柴动力股份有限公司 A kind of hybrid vehicle and the engine start control method of this automobile
CN109278740A (en) * 2018-08-29 2019-01-29 江铃控股有限公司 Control method, device, system and the automobile of hybrid vehicle
CN113089739A (en) * 2021-03-17 2021-07-09 三一汽车起重机械有限公司 Method and device for controlling working machine, and electronic device

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Address after: 450061 Yutong Road, Guancheng District, Zhengzhou City, Henan Province

Patentee after: Yutong Bus Co., Ltd

Address before: 450016 shibalihe Yutong Industrial Park, Zhengzhou City, Henan Province

Patentee before: Zhengzhou Yutong Bus Co., Ltd