CN104773159A - Method and system for controlling start of engine of hybrid electric vehicle - Google Patents
Method and system for controlling start of engine of hybrid electric vehicle Download PDFInfo
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- CN104773159A CN104773159A CN201510219775.2A CN201510219775A CN104773159A CN 104773159 A CN104773159 A CN 104773159A CN 201510219775 A CN201510219775 A CN 201510219775A CN 104773159 A CN104773159 A CN 104773159A
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- 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
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- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
-
- 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
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- 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
- B60W2710/083—Torque
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- 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
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/02—Parameters used for control of starting apparatus said parameters being related to the engine
- F02N2200/022—Engine speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2300/00—Control related aspects of engine starting
- F02N2300/10—Control related aspects of engine starting characterised by the control output, i.e. means or parameters used as a control output or target
- F02N2300/104—Control of the starter motor torque
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- 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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
-
- 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)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses a method and system for controlling start of an engine of a hybrid electric vehicle. The method comprises the steps that when an engine start instruction is detected, a motor is controlled to drag the engine to rotate at the maximum torque; when the rotation speed of the engine reaches an open-loop control ending speed, motor torque is controlled in a closed-loop mode; when the rotation speed of the engine reaches a target idle speed, an oil injection and ignition instruction is sent to an engine controller, so that the engine controller controls the engine to execute the oil injection and ignition operation in a normal operation mode; when the oil injection and ignition time is longer than or equal to a preset time threshold value, closed-loop control over motor torque is stopped, the motor torque is made to be zero so that the engine controller can control the engine to normally operate, and start is completed. The method can effectively solve the problems that high noise and severe shake are caused by up-rushing in the existing start process, the comfortable degree of a driver and passengers is lowered, through deepened control, the discharge is remarkably increased in normal operation, and environment pollution degree is raised.
Description
Technical field
The present invention relates to technical field of engine control, particularly relate to a kind of engine start control method for mixed power automobile and system.
Background technology
Now, as the new-energy automobile advancing low energy consumption, anti-emission carburetor, the energy-saving function of hybrid vehicle is mainly realized by the automatic stopping/startup of driving engine.
In prior art, in order to ensure to start successful, in start-up course, usually adopting enriching to control, making driving engine produce moment of torsion large when ratio normally runs, and then making engine speed have a upper punch, and then dropping to the normal rotating speed running needs gradually.But the upper punch in above-mentioned start-up course can bring larger noise and shake, reduce the comfort level of driver and crew, and, control owing to have employed enriching, significantly increase when its quantity discharged compared with normal runs, improve environmental pollution degree.
Summary of the invention
In view of this, the invention provides a kind of engine start control method for mixed power automobile and system, larger noise and shake is brought to solve upper punch in existing start-up course, reduce the comfort level of driver and crew, and, owing to adopting enriching to control, significantly increase when its quantity discharged compared with normal runs, improve the problem of environmental pollution degree.
For solving the problems of the technologies described above, the invention provides a kind of engine start control method for mixed power automobile, comprising:
When engine start instruction being detected, control motor and drag turn of engine with torque peak;
Obtain engine speed, judge that described engine speed and opened loop control terminate the magnitude relationship of speed, when described engine speed reach described opened loop control terminate speed time, closed loop control Motor torque, arrives target idling speed fast, reposefully to make described driving engine;
When described engine speed reaches described target idling speed, send oil spout firing command to engine controller, control described driving engine to make described engine controller with normal operation control method and perform oil spout ignition operation;
When detecting that described driving engine performs described oil spout ignition operation, obtain oil spout point of ignition section; And judge the magnitude relationship of oil spout point of ignition section and the preset time period obtained, when described oil spout point of ignition section is more than or equal to preset time period threshold value, stop Motor torque described in closed loop control, and make described Motor torque be zero, so that driving engine normally runs described in engine controller controls, complete startup.
In said method, preferably, also comprise:
When described engine speed reaches described target idling speed, and during the intake manifold pressure value force value that to be described target idling speed corresponding, send oil spout firing command to engine controller.
In said method, preferably, also comprise:
When described oil spout point of ignition section is less than preset time period threshold value, judge whether described driving engine is in idling closed loop control state, if, then stop Motor torque described in closed loop control, and make described Motor torque be zero, so that driving engine normally runs described in engine controller controls, complete startup.
In said method, preferably, also comprise:
Obtain the initial temperature value of the cooling water expansion tank of described driving engine;
The corresponding relation of reference cooling water expansion tank initial temperature value and time threshold, determines the time threshold corresponding with described initial temperature value.
In said method, preferably, turn of engine is dragged by following content-control motor with torque peak:
When engine start instruction being detected, control motor and send torque peak instruction with open loop control mode to electric machine controller, perform described torque peak instruction to control described motor drag turn of engine to make described electric machine controller.
Present invention also offers a kind of hybrid electric vehicle engine and start control system, comprising:
Torque peak tug unit, during for engine start instruction being detected, controlling motor and dragging turn of engine with torque peak;
Closed Loop Control Unit, for obtaining engine speed, judge that described engine speed and opened loop control terminate the magnitude relationship of speed, when described engine speed reach described opened loop control terminate speed time, closed loop control Motor torque, arrives target idling speed fast, reposefully to make described driving engine;
First oil spout firing command transmitting element, for when described engine speed reaches described target idling speed, send oil spout firing command to engine controller, control described driving engine to make described engine controller with normal operation control method and perform oil spout ignition operation;
First closed loop control stop element, during for detecting that described driving engine performs described oil spout ignition operation, obtains oil spout point of ignition section; And judge the magnitude relationship of oil spout point of ignition section and the preset time period obtained, when described oil spout point of ignition section is more than or equal to preset time period threshold value, stop Motor torque described in closed loop control, and make described Motor torque be zero, so that driving engine normally runs described in engine controller controls, complete startup.
In said system, preferably, also comprise:
Second oil spout firing command transmitting element, for reaching described target idling speed when described engine speed, and during the intake manifold pressure value force value that to be described target idling speed corresponding, sends oil spout firing command to engine controller.
In said system, preferably, also comprise:
Second closed loop control stop element, for when described oil spout point of ignition section is less than preset time period threshold value, judge whether described driving engine is in idling closed loop control state, if, then stop Motor torque described in closed loop control, and make described Motor torque be zero, so that driving engine normally runs described in engine controller controls, complete startup.
In said system, preferably, also comprise:
Time threshold determining unit, for obtaining the initial temperature value of the cooling water expansion tank of described driving engine; The corresponding relation of reference cooling water expansion tank initial temperature value and time threshold, determines the time threshold corresponding with described initial temperature value.
In said system, preferably, torque peak tug unit comprises:
Torque peak instruction generation unit, during for engine start instruction being detected, produces torque peak instruction;
Torque peak instruction sending unit, sending torque peak instruction with open loop control mode to electric machine controller for controlling motor, performing described torque peak instruction to control described motor drag turn of engine to make described electric machine controller.
Above in engine start control method for mixed power automobile provided by the invention and system, fully effectively make use of motor of hybrid power automobile moment of torsion to control accurately, respond fast feature, in initial start stage, control motor and drag turn of engine with torque peak, driving engine can be started to fast and reliable; Then when engine speed reach opened loop control terminate speed time, carry out accurate closed loop control to Motor torque, thus both allowed engine speed not produce obvious upper punch, steadily reach the normal rotating speed run, driver and crew's comfort level is higher; Meanwhile, due in above-mentioned engine starting process, eliminate enriching and control, the same when discharge capacity and normal operation, significantly reduce environmental pollution degree.To sum up, above technical solution of the present invention efficiently solves upper punch in existing start-up course and brings larger noise and shake, reduces the comfort level of driver and crew, and, owing to adopting enriching to control, significantly increase when its quantity discharged compared with normal runs, improve the problem of environmental pollution degree.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the diagram of circuit of a kind of engine start control method for mixed power automobile embodiment 1 of the present invention;
Fig. 2 is a kind of idling speed-air-distributor pressure curve synoptic diagram of a kind of engine start control method for mixed power automobile of the present invention embodiment 1;
Fig. 3 is the diagram of circuit of a kind of engine start control method for mixed power automobile embodiment 2 of the present invention;
Fig. 4 is the structured flowchart schematic diagram that a kind of hybrid electric vehicle engine of the present invention starts control system embodiment 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Core of the present invention is to provide a kind of engine start control method for mixed power automobile and system, larger noise and shake is brought to solve upper punch in existing start-up course, reduce the comfort level of driver and crew, and, control owing to adopting enriching, its quantity discharged compared with normal significantly increases when running, and improves the problem of environmental pollution degree.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
With reference to figure 1, show the diagram of circuit of a kind of engine start control method for mixed power automobile embodiment 1 of the present invention, the method specifically can comprise the steps:
When step S100, entire car controller HCU detect engine start instruction, control motor and drag turn of engine with torque peak;
It should be noted that, except there being special version, the executive agent of the execution step in the present invention is all entire car controller HCU;
In the present invention, preferably, turn of engine is dragged by following content-control motor with torque peak:
When engine start instruction being detected, control motor and send torque peak instruction with open loop control mode to electric machine controller IPU, perform described torque peak instruction to control described motor drag turn of engine to make described electric machine controller IPU.
Step S101, acquisition engine speed, judge that described engine speed and opened loop control terminate the magnitude relationship of speed (being less than target idling speed), when described engine speed reaches that (being namely greater than or equal to), described opened loop control terminated speed, enter step S102, otherwise, return and continue to obtain engine speed;
Below why introducing opened loop control and terminate speed, when being to ensure that party's engine speed arrival opened loop control terminates speed, driving engine can be allowed quickly and reliably to get into smooth.
Step S102, closed loop control Motor torque, arrive target idling speed fast, reposefully to make described driving engine;
Particularly, entire car controller HCU is with target idling speed for control objectives, and binding engine actual speed carries out closed loop control to Motor torque.
Step S103, Motor torque is being carried out in the process of closed loop control, judge the size of engine speed and target idling speed, when described engine speed reaches (being greater than or equal to) described target idling speed (think engine peed stable), send oil spout firing command to engine controller ECU, control described driving engine to make described engine controller ECU with normal operation control method and perform oil spout ignition operation;
Particularly, after engine controller ECU receives the oil spout firing command of entire car controller HCU transmission, control driving engine associated actuator and carry out oil spout igniting, after the igniting of driving engine commencement of fuel injection, engine controller ECU controls oil spout igniting with the mode in normal engine operation, it should be noted that, in this process, do not carry out enriching control, the same when discharge capacity and normal operation, significantly reduce environmental pollution degree.
In the present invention, when engine speed reaches target idling speed, think and engine peed stable provide the foundation for carrying out accurate control to driving engine afterwards.Further, in order to make engine control more accurate, in the present invention, preferred introducing is to the judgement of intake manifold pressure value, concrete, when described engine speed reaches described target idling speed, and during the intake manifold pressure value force value that to be described target idling speed corresponding, send oil spout firing command to engine controller ECU, to make driving engine start working at rotating speed with after all stablizing in the recent period, further increase the accuracy rate of engine control.
Wherein, with reference to the idling speed shown in figure 2-air-distributor pressure curve, the target idling speed current according to driving engine calculates corresponding intake manifold pressure value.
Step S104, when detecting that described driving engine performs described oil spout ignition operation (time after comprising), obtain oil spout point of ignition section; And judge the magnitude relationship of oil spout point of ignition section and the preset time period obtained, when described oil spout point of ignition section is more than or equal to preset time period threshold value, perform step S105, otherwise return execution step S102 continuation closed loop control Motor torque;
Motor torque described in step S105, stopping closed loop control, and make described Motor torque be zero, normally run so that engine controller ECU controls described driving engine, complete startup.
With reference to figure 1, in the present invention, when described oil spout point of ignition section is less than preset time period threshold value, also comprise:
Step S106, judge whether described driving engine is in idling closed loop control state, if so, perform step S105, otherwise return and perform step S102 and continue closed loop control Motor torque.
Above in technical scheme provided by the invention, fully effectively make use of motor of hybrid power automobile moment of torsion and control accurately, respond fast feature, in initial start stage, control motor and drag turn of engine with torque peak, driving engine can be started to fast and reliable; Then when engine speed reach opened loop control terminate speed time, carry out accurate closed loop control to Motor torque, thus both allowed engine speed not produce obvious upper punch, steadily reach the normal rotating speed run, driver and crew's comfort level is higher; Meanwhile, due in above-mentioned engine starting process, eliminate enriching and control, the same when discharge capacity and normal operation, significantly reduce environmental pollution degree.To sum up, above technical solution of the present invention efficiently solves upper punch in existing start-up course and brings larger noise and shake, reduces the comfort level of driver and crew, and, owing to adopting enriching to control, significantly increase when its quantity discharged compared with normal runs, improve the problem of environmental pollution degree.
With reference to figure 3, show the diagram of circuit of a kind of engine start control method for mixed power automobile embodiment 2 of the present invention, particularly, by following steps determination preset time threshold:
Step S200, obtain the initial temperature value of the cooling water expansion tank of described driving engine;
In practical application, the initial temperature value of engine cooling water is lower, and the time threshold corresponding to it is longer, to ensure that driving engine has been in stability contorting state;
The corresponding relation of step S201, reference cooling water expansion tank initial temperature value and time threshold, determines the time threshold corresponding with described initial temperature value.
Corresponding with a kind of engine start control method for mixed power automobile embodiment 1 of the invention described above, present invention also offers a kind of hybrid electric vehicle engine and start control system embodiment 1, with reference to figure 4, this system 300 can comprise following content:
Torque peak tug unit 301, during for engine start instruction being detected, controlling motor and dragging turn of engine with torque peak;
Closed Loop Control Unit 302, for obtaining engine speed, judge that described engine speed and opened loop control terminate the magnitude relationship of speed, when described engine speed reach described opened loop control terminate speed time, closed loop control Motor torque, arrives target idling speed fast, reposefully to make described driving engine;
First oil spout firing command transmitting element 303, for when described engine speed reaches described target idling speed, send oil spout firing command to engine controller ECU, control described driving engine to make described engine controller ECU with normal operation control method and perform oil spout ignition operation;
First closed loop control stop element 304, during for detecting that described driving engine performs described oil spout ignition operation, obtains oil spout point of ignition section; And judge the magnitude relationship of oil spout point of ignition section and the preset time period obtained, when described oil spout point of ignition section is more than or equal to preset time period threshold value, stop Motor torque described in closed loop control, and make described Motor torque be zero, normally run so that engine controller ECU controls described driving engine, complete startup.
In the present invention, torque peak tug unit can comprise:
Torque peak instruction generation unit, during for engine start instruction being detected, produces torque peak instruction;
Torque peak instruction sending unit, sending torque peak instruction with open loop control mode to electric machine controller IPU for controlling motor, performing described torque peak instruction to control described motor drag turn of engine to make described electric machine controller IPU.
In the present invention, said system 300 can also comprise:
Second oil spout firing command transmitting element, for reaching described target idling speed when described engine speed, and during the intake manifold pressure value force value that to be described target idling speed corresponding, sends oil spout firing command to engine controller ECU.
In the present invention, said system 300 can also comprise:
Second closed loop control stop element, for when described oil spout point of ignition section is less than preset time period threshold value, judge whether described driving engine is in idling closed loop control state, if, then stop Motor torque described in closed loop control, and make described Motor torque be zero, normally run so that engine controller ECU controls described driving engine, complete startup.
In the present invention, said system 300 can also comprise:
Time threshold determining unit, for obtaining the initial temperature value of the cooling water expansion tank of described driving engine; The corresponding relation of reference cooling water expansion tank initial temperature value and time threshold, determines the time threshold corresponding with described initial temperature value.It should be noted that, each embodiment in this specification sheets all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, between each embodiment identical similar part mutually see.For system class embodiment, due to itself and embodiment of the method basic simlarity, so describe fairly simple, relevant part illustrates see the part of embodiment of the method.
Above engine start control method for mixed power automobile provided by the present invention and system are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. an engine start control method for mixed power automobile, is characterized in that, comprising:
When engine start instruction being detected, control motor and drag turn of engine with torque peak;
Obtain engine speed, judge that described engine speed and opened loop control terminate the magnitude relationship of speed, when described engine speed reach described opened loop control terminate speed time, closed loop control Motor torque, arrives target idling speed fast, reposefully to make described driving engine;
When described engine speed reaches described target idling speed, send oil spout firing command to engine controller, control described driving engine to make described engine controller with normal operation control method and perform oil spout ignition operation;
When detecting that described driving engine performs described oil spout ignition operation, obtain oil spout point of ignition section; And judge the magnitude relationship of oil spout point of ignition section and the preset time period obtained, when described oil spout point of ignition section is more than or equal to preset time period threshold value, stop Motor torque described in closed loop control, and make described Motor torque be zero, so that driving engine normally runs described in engine controller controls, complete startup.
2. the method for claim 1, is characterized in that, also comprises:
When described engine speed reaches described target idling speed, and during the intake manifold pressure value force value that to be described target idling speed corresponding, send oil spout firing command to engine controller.
3. the method for claim 1, is characterized in that, also comprises:
When described oil spout point of ignition section is less than preset time period threshold value, judge whether described driving engine is in idling closed loop control state, if, then stop Motor torque described in closed loop control, and make described Motor torque be zero, so that driving engine normally runs described in engine controller controls, complete startup.
4. method as claimed in claim 3, is characterized in that, also comprise:
Obtain the initial temperature value of the cooling water expansion tank of described driving engine;
The corresponding relation of reference cooling water expansion tank initial temperature value and time threshold, determines the time threshold corresponding with described initial temperature value.
5. the method for claim 1, is characterized in that, drags turn of engine by following content-control motor with torque peak:
When engine start instruction being detected, control motor and send torque peak instruction with open loop control mode to electric machine controller, perform described torque peak instruction to control described motor drag turn of engine to make described electric machine controller.
6. hybrid electric vehicle engine starts a control system, it is characterized in that, comprising:
Torque peak tug unit, during for engine start instruction being detected, controlling motor and dragging turn of engine with torque peak;
Closed Loop Control Unit, for obtaining engine speed, judge that described engine speed and opened loop control terminate the magnitude relationship of speed, when described engine speed reach described opened loop control terminate speed time, closed loop control Motor torque, arrives target idling speed fast, reposefully to make described driving engine;
First oil spout firing command transmitting element, for when described engine speed reaches described target idling speed, send oil spout firing command to engine controller, control described driving engine to make described engine controller with normal operation control method and perform oil spout ignition operation;
First closed loop control stop element, during for detecting that described driving engine performs described oil spout ignition operation, obtains oil spout point of ignition section; And judge the magnitude relationship of oil spout point of ignition section and the preset time period obtained, when described oil spout point of ignition section is more than or equal to preset time period threshold value, stop Motor torque described in closed loop control, and make described Motor torque be zero, so that driving engine normally runs described in engine controller controls, complete startup.
7. system as claimed in claim 6, is characterized in that, also comprise:
Second oil spout firing command transmitting element, for reaching described target idling speed when described engine speed, and during the intake manifold pressure value force value that to be described target idling speed corresponding, sends oil spout firing command to engine controller.
8. system as claimed in claim 6, is characterized in that, also comprise:
Second closed loop control stop element, for when described oil spout point of ignition section is less than preset time period threshold value, judge whether described driving engine is in idling closed loop control state, if, then stop Motor torque described in closed loop control, and make described Motor torque be zero, so that driving engine normally runs described in engine controller controls, complete startup.
9. system as claimed in claim 8, is characterized in that, also comprise:
Time threshold determining unit, for obtaining the initial temperature value of the cooling water expansion tank of described driving engine; The corresponding relation of reference cooling water expansion tank initial temperature value and time threshold, determines the time threshold corresponding with described initial temperature value.
10. system as claimed in claim 6, it is characterized in that, torque peak tug unit comprises:
Torque peak instruction generation unit, during for engine start instruction being detected, produces torque peak instruction;
Torque peak instruction sending unit, sending torque peak instruction with open loop control mode to electric machine controller for controlling motor, performing described torque peak instruction to control described motor drag turn of engine to make described electric machine controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510219775.2A CN104773159B (en) | 2015-05-04 | 2015-05-04 | Engine start control method for mixed power automobile and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510219775.2A CN104773159B (en) | 2015-05-04 | 2015-05-04 | Engine start control method for mixed power automobile and system |
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| Publication Number | Publication Date |
|---|---|
| CN104773159A true CN104773159A (en) | 2015-07-15 |
| CN104773159B CN104773159B (en) | 2017-06-16 |
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| CN201510219775.2A Active CN104773159B (en) | 2015-05-04 | 2015-05-04 | Engine start control method for mixed power automobile and system |
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| CN106184197A (en) * | 2016-07-12 | 2016-12-07 | 重庆长安汽车股份有限公司 | A kind of idle stop control method, control system and hybrid vehicle |
| CN106274514A (en) * | 2016-08-31 | 2017-01-04 | 北京新能源汽车股份有限公司 | A kind of distance increasing unit control method, device and stroke-increasing electric automobile |
| CN106337769A (en) * | 2016-09-30 | 2017-01-18 | 安徽江淮汽车股份有限公司 | Engine start control method and system |
| CN107120204A (en) * | 2017-06-28 | 2017-09-01 | 上汽通用汽车有限公司 | Control method, storage medium and the electronic equipment of engine start |
| CN107905932A (en) * | 2017-11-03 | 2018-04-13 | 奇瑞汽车股份有限公司 | The method and apparatus that control engine for motor vehicle driven by mixed power starts |
| CN108215768A (en) * | 2016-12-21 | 2018-06-29 | 郑州宇通客车股份有限公司 | A kind of hybrid power automobile power system and engine start/stop machine noise reducing method |
| CN108327701A (en) * | 2018-02-22 | 2018-07-27 | 安徽江淮汽车集团股份有限公司 | A kind of startup control method and system |
| CN108422991A (en) * | 2018-03-29 | 2018-08-21 | 吉利汽车研究院（宁波）有限公司 | The control method of flexible four-cylinder, apparatus and system |
| CN108437974A (en) * | 2018-03-08 | 2018-08-24 | 中国第汽车股份有限公司 | Machine control method is opened in hybrid power car driving |
| CN108725443A (en) * | 2018-05-30 | 2018-11-02 | 重庆长安汽车股份有限公司 | New-energy automobile and its engine start control method |
| CN109915298A (en) * | 2019-02-28 | 2019-06-21 | 武汉理工大学 | A kind of control method of hybrid electric vehicle engine quick start |
| CN110056462A (en) * | 2019-06-24 | 2019-07-26 | 潍柴动力股份有限公司 | A kind of hybrid power engine starting method and device |
| CN110341685A (en) * | 2019-07-08 | 2019-10-18 | 高晓杰 | Bi-motor increases journey and drives hybrid electric vehicle engine start-up and shut-down control method and system |
| CN111734541A (en) * | 2020-07-02 | 2020-10-02 | 安徽江淮汽车集团股份有限公司 | Engine torque compensation method, engine torque compensation equipment, storage medium and device |
| CN111762149A (en) * | 2020-06-29 | 2020-10-13 | 广西玉柴机器股份有限公司 | Starting control method of extended-range hybrid power gas vehicle |
| CN111852670A (en) * | 2020-07-22 | 2020-10-30 | 上海元城汽车技术有限公司 | Vehicle starting method, equipment and medium |
| CN112096529A (en) * | 2020-08-06 | 2020-12-18 | 陈其安 | Method and device for controlling engine operation and storage medium |
| CN114017188A (en) * | 2021-09-29 | 2022-02-08 | 江铃汽车股份有限公司 | Vehicle idle speed control method and device, readable storage medium and vehicle |
| CN114810379A (en) * | 2022-04-26 | 2022-07-29 | 哈尔滨东安汽车发动机制造有限公司 | Starting and stopping method and system for extended range electric automobile engine |
| CN114909228A (en) * | 2022-05-27 | 2022-08-16 | 中国第一汽车股份有限公司 | Engine starting control method and device, hybrid vehicle and storage medium |
| CN115214603A (en) * | 2022-02-18 | 2022-10-21 | 广州汽车集团股份有限公司 | Hybrid vehicle starting method, hybrid vehicle starting device, electronic apparatus, and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106184197B (en) * | 2016-07-12 | 2018-11-02 | 重庆长安汽车股份有限公司 | A kind of idle stop control method, control system and hybrid vehicle |
| CN106184197A (en) * | 2016-07-12 | 2016-12-07 | 重庆长安汽车股份有限公司 | A kind of idle stop control method, control system and hybrid vehicle |
| CN106274514A (en) * | 2016-08-31 | 2017-01-04 | 北京新能源汽车股份有限公司 | A kind of distance increasing unit control method, device and stroke-increasing electric automobile |
| CN106274514B (en) * | 2016-08-31 | 2018-09-14 | 北京新能源汽车股份有限公司 | A kind of distance increasing unit control method, device and stroke-increasing electric automobile |
| CN106337769A (en) * | 2016-09-30 | 2017-01-18 | 安徽江淮汽车股份有限公司 | Engine start control method and system |
| CN106337769B (en) * | 2016-09-30 | 2018-05-04 | 安徽江淮汽车集团股份有限公司 | Engine start control method and system |
| CN108215768A (en) * | 2016-12-21 | 2018-06-29 | 郑州宇通客车股份有限公司 | A kind of hybrid power automobile power system and engine start/stop machine noise reducing method |
| CN108215768B (en) * | 2016-12-21 | 2020-10-30 | 郑州宇通客车股份有限公司 | Hybrid electric vehicle power system and engine start-stop noise reduction method |
| CN107120204A (en) * | 2017-06-28 | 2017-09-01 | 上汽通用汽车有限公司 | Control method, storage medium and the electronic equipment of engine start |
| CN107120204B (en) * | 2017-06-28 | 2019-11-12 | 上汽通用汽车有限公司 | Control method, storage medium and the electronic equipment of engine start |
| CN107905932A (en) * | 2017-11-03 | 2018-04-13 | 奇瑞汽车股份有限公司 | The method and apparatus that control engine for motor vehicle driven by mixed power starts |
| CN108327701A (en) * | 2018-02-22 | 2018-07-27 | 安徽江淮汽车集团股份有限公司 | A kind of startup control method and system |
| CN108437974A (en) * | 2018-03-08 | 2018-08-24 | 中国第汽车股份有限公司 | Machine control method is opened in hybrid power car driving |
| CN108437974B (en) * | 2018-03-08 | 2019-12-31 | 中国第一汽车股份有限公司 | Driving starting control method for hybrid power car |
| CN108422991A (en) * | 2018-03-29 | 2018-08-21 | 吉利汽车研究院（宁波）有限公司 | The control method of flexible four-cylinder, apparatus and system |
| CN108725443A (en) * | 2018-05-30 | 2018-11-02 | 重庆长安汽车股份有限公司 | New-energy automobile and its engine start control method |
| CN109915298A (en) * | 2019-02-28 | 2019-06-21 | 武汉理工大学 | A kind of control method of hybrid electric vehicle engine quick start |
| CN110056462A (en) * | 2019-06-24 | 2019-07-26 | 潍柴动力股份有限公司 | A kind of hybrid power engine starting method and device |
| CN110056462B (en) * | 2019-06-24 | 2019-08-30 | 潍柴动力股份有限公司 | A kind of hybrid power engine starting method and device |
| CN110341685A (en) * | 2019-07-08 | 2019-10-18 | 高晓杰 | Bi-motor increases journey and drives hybrid electric vehicle engine start-up and shut-down control method and system |
| CN111762149A (en) * | 2020-06-29 | 2020-10-13 | 广西玉柴机器股份有限公司 | Starting control method of extended-range hybrid power gas vehicle |
| CN111734541A (en) * | 2020-07-02 | 2020-10-02 | 安徽江淮汽车集团股份有限公司 | Engine torque compensation method, engine torque compensation equipment, storage medium and device |
| CN111734541B (en) * | 2020-07-02 | 2021-10-22 | 安徽江淮汽车集团股份有限公司 | Engine torque compensation method, engine torque compensation equipment, storage medium and device |
| CN111852670A (en) * | 2020-07-22 | 2020-10-30 | 上海元城汽车技术有限公司 | Vehicle starting method, equipment and medium |
| CN112096529A (en) * | 2020-08-06 | 2020-12-18 | 陈其安 | Method and device for controlling engine operation and storage medium |
| CN114017188A (en) * | 2021-09-29 | 2022-02-08 | 江铃汽车股份有限公司 | Vehicle idle speed control method and device, readable storage medium and vehicle |
| CN114017188B (en) * | 2021-09-29 | 2024-02-02 | 江铃汽车股份有限公司 | Vehicle idle speed control method and device, readable storage medium and vehicle |
| CN115214603A (en) * | 2022-02-18 | 2022-10-21 | 广州汽车集团股份有限公司 | Hybrid vehicle starting method, hybrid vehicle starting device, electronic apparatus, and storage medium |
| CN115214603B (en) * | 2022-02-18 | 2023-09-19 | 广州汽车集团股份有限公司 | Hybrid vehicle starting method and device, electronic equipment and storage medium |
| CN114810379A (en) * | 2022-04-26 | 2022-07-29 | 哈尔滨东安汽车发动机制造有限公司 | Starting and stopping method and system for extended range electric automobile engine |
| CN114909228A (en) * | 2022-05-27 | 2022-08-16 | 中国第一汽车股份有限公司 | Engine starting control method and device, hybrid vehicle and storage medium |
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