CN103863300A - Control method of extended range type electric vehicle - Google Patents
Control method of extended range type electric vehicle Download PDFInfo
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- CN103863300A CN103863300A CN201210526426.1A CN201210526426A CN103863300A CN 103863300 A CN103863300 A CN 103863300A CN 201210526426 A CN201210526426 A CN 201210526426A CN 103863300 A CN103863300 A CN 103863300A
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- 239000000446 fuel Substances 0.000 description 5
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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
- B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
- B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
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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
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/11—Controlling the power contribution of each of the prime movers to meet required power demand using model predictive control [MPC] strategies, i.e. control methods based on models predicting performance
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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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine speed
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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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0676—Engine temperature
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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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
- B60W2510/242—Energy storage means for electrical energy
- B60W2510/244—Charge state
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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
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0644—Engine speed
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention provides a control method of an extended range type electric vehicle. The control method comprises an engine startup or shutdown determination step and an engine starting process step. The engine startup or shutdown determination step comprises determining the state of an engine; determining whether the engine needs to be started or not according to the state of a power battery and an extended range mode signal if the engine is located in the first state; shutting off the engine if the engine is located in the second state; determining whether the engine needs to shut off or not according to the state of the power battery and the extended range mode signal if the engine is located in the third state. The engine starting process step comprises obtaining a torque request mode and request torque of a vehicle controller through a motor control unit; applying the request torque to the engine after the motor control unit enters into the torque request mode; stopping applying the request torque to the engine when a user determines that the engine rotating speed is larger than the first rotating speed; determining that the starting of the engine is successful when the request torque is stopped applying to the engine. According to the control method of the extended range type electric vehicle, the energy of the vehicle can be reduced and accordingly the driving range can be improved and meanwhile the environment-friendly effect is achieved.
Description
Technical field
The present invention relates to field of automobile, particularly a kind of control method of extended-range electric vehicle.
Background technology
Under policy guidance in the situation that of non-regeneration energy growing tension and at every country, every country is all being greatly developed new-energy automobile, to alleviate the consumption to non-regeneration energy, even substitutes non-regeneration energy by regenerative resource.Current power vehicle assembly result has shortcoming separately, and certain structures and control are complicated, and R&D costs are high, and some energy-saving efficiency is not highly significant, and development is limited by the raising of battery technology.
Summary of the invention
The present invention one of is intended at least solve the problems of the technologies described above or at least provides a kind of useful business to select.
For this reason, one object of the present invention is to propose one can make stroke-increasing electric automobile energy-conserving and environment-protective, and can actv. increases the control method of the extended-range electric vehicle of automobile continual mileage.
To achieve these goals, embodiments of the invention have proposed a kind of control method of extended-range electric vehicle, comprise: engine starting/close determining step: judge engine condition, the first state judges whether to start described driving engine according to electrokinetic cell state or increasing journey mode signal if, the second state is closed described driving engine if, and the third state judges whether to close described driving engine according to described electrokinetic cell state and increasing journey mode signal if; Engine starting process step: motor control unit obtains torque request pattern and the requested torque of entire car controller, and apply described request moment of torsion to described driving engine after entering torque request pattern, and stop applying described request moment of torsion to described driving engine in the time judging described engine speed higher than the first rotating speed, and stopping judging engine starting success in the time that described driving engine applies described request moment of torsion; And engine working process step: motor control unit obtains velocity request pattern and the rotating speed of target of entire car controller, and after motor control unit admission velocity request mode, control described engine speed to described rotating speed of target.
According to the control method of the extended-range electric vehicle of the embodiment of the present invention, judge whether start or kill engine according to engine condition, electrokinetic cell state and increasing journey mode signal, thereby avoid the electric weight severe attrition of electrokinetic cell, increase continual mileage the service life of raising battery simultaneously.In addition, to the control of engine starting process, can make driving engine reach fast desired speed and make the water temperature ideal temperature that appreciates fast, thereby reduce discharge, play the object of environmental protection, and control to engine working process makes engine consumption low, can effectively reduce Fuel consumption, reduce costs.
In addition, the control method of extended-range electric vehicle according to the above embodiment of the present invention can also have following additional technical characterictic:
In an embodiment of the present invention, the step that judges described engine condition comprises: judge described engine condition according to engine diagnostic information, the gentle engine speed of engine water.
In an embodiment of the present invention, be less than the first temperature and described engine speed lower than the second rotating speed if described engine diagnostic information is driving engine normal information, Engine Coolant Temperature, judge that described engine condition is as the first state; If described engine speed higher than described the first rotating speed described engine diagnostic information be engine abnormity information or described Engine Coolant Temperature greater than or equal to described the first temperature, judge that described transmitting set state is as the second state; Be less than described the first temperature and described engine speed higher than described the first rotating speed if described engine diagnostic information is driving engine normal information, Engine Coolant Temperature, judge that described engine condition is as the third state.
In an embodiment of the present invention, after judging that described engine condition is the first state, judge whether that according to described electrokinetic cell state or increasing journey mode signal the step that starts described driving engine further comprises: increase journey mode signal if described electrokinetic cell SOC is less than the first preset value or increases journey mode signal for starting, judgement starts described driving engine.
In an embodiment of the present invention, if described electrokinetic cell SOC is greater than the second preset value, point out user's electrokinetic cell electric weight abundance.
In an embodiment of the present invention, after judging that described driving engine is the third state, judge whether that according to described electrokinetic cell state or increasing journey mode signal the step of closing described driving engine further comprises: increase journey mode signal if described electrokinetic cell SOC is greater than the 3rd preset value or increases journey mode signal for closing, judge and close described driving engine.
In an embodiment of the present invention, the described extremely described rotating speed of target of described engine speed of controlling after motor control unit admission velocity request mode, further comprises: detect the Das Gaspedal degree of depth; Described entire car controller obtains described rotating speed of target according to the described Das Gaspedal degree of depth.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is the diagram of circuit of the control method of extended-range electric vehicle according to an embodiment of the invention;
Fig. 2 is the structural representation of the extended-range electric vehicle of the control method of extended-range electric vehicle according to an embodiment of the invention;
Fig. 3 is the engine starting request diagram of circuit of the control method of extended-range electric vehicle according to an embodiment of the invention;
Fig. 4 is the control flow chart of the engine shutdown of the control method of extended-range electric vehicle according to an embodiment of the invention;
Fig. 5 is the engine starting control schematic diagram of the control method of extended-range electric vehicle according to an embodiment of the invention; And
Control schematic diagram when Fig. 6 is the generating of the control method of extended-range electric vehicle according to an embodiment of the invention.
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of instructions such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can particular case understand above-mentioned term concrete meaning in the present invention.
Describe according to the control method of the extended-range electric vehicle of the embodiment of the present invention below in conjunction with accompanying drawing.
Fig. 1 is the diagram of circuit of the control method of extended-range electric vehicle according to an embodiment of the invention.As shown in Figure 1, the control method of extended-range electric vehicle according to an embodiment of the invention, comprises the following steps:
Step S101, engine starting/close determining step: judge engine condition, the first state judges whether start the engine according to electrokinetic cell state or increasing journey mode signal if, the second state kills engine if, and the third state judges whether to kill engine according to electrokinetic cell state or increasing journey mode signal if.
Particularly, the step that judges described engine condition comprises: judge described engine condition according to engine diagnostic information, the gentle engine speed of engine water.Further, be less than the first temperature and engine speed lower than the second rotating speed if engine diagnostic information is driving engine normal information, Engine Coolant Temperature, judge that engine condition is as the first state; If engine speed higher than the first rotating speed engine diagnostic information be engine abnormity information or Engine Coolant Temperature greater than or equal to the first temperature, judge that engine condition is as the second state; Be less than the first temperature and engine speed higher than the first rotating speed if engine diagnostic information is driving engine normal information, Engine Coolant Temperature, judge that engine condition is as the third state.In this example, the first temperature for but be not limited to 110 degree, the second rotating speed for but be not limited to 300rpm, the first rotating speed for but be not limited to 800rpm.The first state is driving engine trouble free, the Engine Coolant Temperature state while being less than the first temperature (110 degree) and engine speed lower than the second rotating speed (300rpm), the second state is engine speed higher than the first rotating speed (800rpm), state while starting et out of order or Engine Coolant Temperature greater than or equal to the first temperature (110 degree), and the third state is driving engine trouble free, the Engine Coolant Temperature state while being less than the first temperature (110 degree) and engine speed higher than the first rotating speed (800rpm).
Further, if electrokinetic cell SOC(State is OfCharge, state-of-charge) to be less than the first preset value or to increase journey mode signal be start-up mode signal, judges start the engine.In this example, the first preset value is 20%.Increase journey mode signal and triggered by driver's operation, when electrokinetic cell SOC be less than 20% or chaufeur triggering extended-range mode switch after, when increasing journey mode signal and being start-up mode signal, start the engine.
If electrokinetic cell SOC is greater than the second preset value, point out user's electrokinetic cell electric weight abundance.Preferably, the second preset value is 80%.In the time that electrokinetic cell SOC is greater than 80%, point out user's electrokinetic cell electric weight abundance.
Increase journey mode signal if electrokinetic cell SOC is greater than the 3rd preset value or increases journey mode signal for closing, judge and kill engine.As a concrete example, the 3rd preset value is but is not limited to 50%.If battery SOC be greater than 50% or user send while closing the request that increases journey mode signal, kill engine.
Step S102, engine starting process step: motor control unit obtains torque request pattern and the requested torque of entire car controller, and apply requested torque to driving engine after entering torque request pattern, and stop applying requested torque to driving engine in the time judging engine speed higher than the first rotating speed, and stopping judging engine starting success in the time that described driving engine applies described request moment of torsion.This step is the start-up course of driving engine.In this example, the first rotating speed is but is not limited to 800rpm.
Step S103, engine working process step: motor control unit obtains velocity request pattern and the rotating speed of target of entire car controller, and after the motor control unit admission velocity request mode control engine rotating speed to rotating speed of target.This step is the working process of driving engine.Particularly, rotating speed can be by the degree of depth decision of Das Gaspedal, and entire car controller can obtain rotating speed of target according to the Das Gaspedal degree of depth.
According to the control method of the extended-range electric vehicle of the embodiment of the present invention, judge whether start or kill engine according to engine condition, electrokinetic cell state and increasing journey mode signal, thereby avoid the electric weight severe attrition of electrokinetic cell, increase continual mileage the service life of raising battery simultaneously.In addition, to the control of engine starting process, can make driving engine reach fast desired speed and make water temperature rise to fast ideal temperature, thereby reduce discharge, play the object of environmental protection, and control to engine working process can make engine fuel consumption low, thereby effectively reduce Fuel consumption, reduce costs.
As shown in Figure 2, be the structural representation of the extended-range electric vehicle of the control method of the extended-range electric vehicle of one embodiment of the invention.Comprise: driving engine 110, electrical generator 120, electrokinetic cell 130, EMS140, GCU150, BMS160 and VMS170.
Particularly, EMS(Engine Management System, engine management system) be responsible for the relevant control of driving engine, GCU(Generator Control Unit, generator control unit) be responsible for the control of the aspects such as electrical generator mode of operation and moment of torsion, BMS(Battery Management System, battery management system) responsible electrokinetic cell relevant control, VMS (Vehicle Management System, entire car controller) be responsible for the relevant control of car load, comprising the on off control to driving engine 110 and electrical generator 120 etc.VMS170 is connected with EMS140, GCU150 and BMS160 are two-way respectively, to its sending controling instruction.
Fig. 3 is the engine starting request diagram of circuit of the control method of extended-range electric vehicle according to an embodiment of the invention.First the condition that driving engine operation starts for judging whether transmitting set meets the first state, that is:
1, driving engine trouble free;
2, Engine Coolant Temperature is less than 110 degrees Celsius;
3, engine speed is less than 300rpm.
After driving engine meets above-mentioned the first state, start the engine in the time that following condition meets.
1, battery is in coupled condition;
2, distance increasing unit is opened or electrokinetic cell SOC is less than 20%;
3,, in the time that electrokinetic cell SOC is greater than 80%, instrument will show electric weight abundance.
Concrete steps comprise:
Step S301, starts.Be that automobile is opened.
Step S302, judges whether battery connects.Particularly, judge whether battery connects normally, if it is performs step S303, otherwise continue execution step S302, continue to judge whether battery connects.
Step S303, judges whether driving engine exists fault.Particularly, judge whether driving engine breaks down, if it is continue execution step S303, otherwise execution step S304.Wherein, how carrying out fault verification is prior art, does not repeat herein.
Step S304, judges whether engine temperature is less than 110 degree.Particularly, judge that the temperature of driving engine, whether lower than 110 degree, if it is performs step S305, otherwise continue execution step S304.
Step S305, judges whether engine speed is less than 300rpm.If it is perform step S306 or step S307, otherwise continue execution step S305.
Step S306, judges whether distance increasing unit switch is opened.If it is perform step S308, otherwise continue execution step S306.
Step S307, judges whether electrokinetic cell SOC is less than 20%.If it is perform step S308, otherwise execution step S309.
Step S308, sends engine starting request.
Step S309, judges whether electrokinetic cell SOC is greater than 80%.Particularly, if it is perform step S310, otherwise execution step S307.
Step S310, instrument shows: electric weight abundance.In the time that battery SOC is greater than 80%, auto meter shows: electric weight abundance, now chaufeur can select not start described driving engine as required.
Step S311, finishes.The flow process that is start the engine finishes, engine starting.
Fig. 4 is the control flow chart of the engine shutdown of the control method of extended-range electric vehicle according to an embodiment of the invention.Control engine is closed and is first judged that whether driving engine meets the second state, engine speed higher than the first rotating speed (800rpm), start et out of order or Engine Coolant Temperature greater than or equal to the first temperature (110 degree), if it is kill engine.
If driving engine does not meet the second state, continue to judge whether driving engine meets the third state, in the time that driving engine trouble free, Engine Coolant Temperature are less than the first temperature (110 degree) and engine speed higher than the first rotating speed (800rpm), whether kill engine according to electrokinetic cell state and increasing journey mode decision, particularly:
When judging that electrokinetic cell SOC is too high, SOC be greater than 50% and chaufeur have and close the request that increases journey mode switch judgement is killed engine, and control engine is closed.
Concrete steps comprise:
Step S401, starts.
Step S402, judges whether engine speed is greater than 800rpm.If it is perform step S403 or step S404, or step S405, otherwise continue execution step S402, continue to judge whether the rotating speed of driving engine is greater than 800rpm.
Step S403, judges whether electrokinetic cell SOC is greater than 50%.If it is perform step S406, otherwise continue execution step S403.
Step S404, judges whether driving engine exists fault.If it is perform step S407, otherwise continue execution step S404.
Step S405, judges whether Engine Coolant Temperature is greater than 110 degree.
Particularly, judge whether the water temperature of driving engine is greater than 110 degree, if it is perform step S407, otherwise continue execution step S405.
Step S406, judges whether chaufeur sends to close and increases journey mode request signal.If it is perform step S407, otherwise continue execution step S406.
Step S407, sends tail-off request.
Step S408, finishes.It is tail-off.
In conjunction with above-mentioned example, extended-range electric vehicle of the present invention is divided into two kinds of mode of operations, and one is warming-up mode of operation, and another is efficient operation pattern.The prerequisite of two kinds of mode of operations is that system does not exist fault.
The condition of warming-up mode of operation is: Engine Coolant Temperature, lower than 50 degrees Celsius,, in engine starting process step, can make Engine Coolant Temperature increase to fast 50 degrees Celsius.
The condition of efficient operation pattern is: Engine Coolant Temperature is higher than 50 degrees Celsius, and, in engine working process step, the method for the embodiment of the present invention can be controlled at Engine Coolant Temperature more than 50 degrees Celsius.
Fig. 5 is the engine starting control flow chart of the control method of extended-range electric vehicle according to an embodiment of the invention.As shown in Figure 5, the engine starting control schematic diagram of the control method of extended-range electric vehicle according to an embodiment of the invention.
Particularly, in the time of start the engine, adopt the torque mode of electrical generator to carry out start the engine.VMS sends the requested torque of torque request pattern and startup to GCU, wherein requested torque is relevant with the actual speed of driving engine, rotating speed is lower, starting torque is larger, otherwise still,, in the time that engine speed exceedes 800rpm, will think and start successfully, no longer apply starting torque, engine starting success.
Control flow chart when Fig. 6 is the generating of the control method of extended-range electric vehicle according to an embodiment of the invention.As shown in Figure 6, the control schematic diagram when generating of the control method of extended-range electric vehicle according to an embodiment of the invention.
Particularly, in the time generating electricity, engine control is carried out to work at the point of efficient operation, object is in order to reduce vehicle oil consumption and discharge.Now, GCU will carry out speed control, and VMS sends GCU velocity request pattern and rotating speed of target.And driving engine will carry out torque mode control, VMS is by by the output torque that the control of the Das Gaspedal degree of depth is regulated to driving engine, wherein, the adjusting of Das Gaspedal is completed by PID controller (Proportion Integration Differentiation. proportional-integral derivative controller).
According to the control method of the extended-range electric vehicle of the embodiment of the present invention, judge whether start or kill engine according to engine condition, electrokinetic cell state and increasing journey mode signal, thereby avoid the electric weight severe attrition of electrokinetic cell, increase continual mileage the service life of raising battery simultaneously.In addition, to the control of engine starting process, can make driving engine reach fast desired speed and make water temperature rise to fast ideal temperature, thereby reduce discharge, play the object of environmental protection, and control to engine working process can make engine fuel consumption low, thereby effectively reduce Fuel consumption, reduce costs.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, amendment, replacement and modification to these embodiment, scope of the present invention is by claim and be equal to and limit.
Claims (7)
1. a control method for extended-range electric vehicle, is characterized in that, comprising:
Engine starting/close determining step: judge engine condition, the first state judges whether to start described driving engine according to electrokinetic cell state or increasing journey mode signal if, the second state is closed described driving engine if, and the third state judges whether to close described driving engine according to described electrokinetic cell state and increasing journey mode signal if;
Engine starting process step: motor control unit obtains torque request pattern and the requested torque of entire car controller, and apply described request moment of torsion to described driving engine after entering torque request pattern, and stop applying described request moment of torsion to described driving engine in the time judging described engine speed higher than the first rotating speed, and stopping judging engine starting success in the time that described driving engine applies described request moment of torsion; And
Engine working process step: motor control unit obtains velocity request pattern and the rotating speed of target of entire car controller, and after motor control unit admission velocity request mode, control described engine speed to described rotating speed of target.
2. method according to claim 1, is characterized in that, judges that the step of described engine condition comprises:
Judge described engine condition according to engine diagnostic information, the gentle engine speed of engine water.
3. method according to claim 2, is characterized in that,
Be less than the first temperature and described engine speed lower than the second rotating speed if described engine diagnostic information is driving engine normal information, Engine Coolant Temperature, judge that described engine condition is as the first state;
If described engine speed higher than described the first rotating speed described engine diagnostic information be engine abnormity information or described Engine Coolant Temperature greater than or equal to described the first temperature, judge that described transmitting set state is as the second state;
Be less than described the first temperature and described engine speed higher than described the first rotating speed if described engine diagnostic information is driving engine normal information, Engine Coolant Temperature, judge that described engine condition is as the third state.
4. according to the method described in claim 1 or 3, it is characterized in that, after judging that described engine condition is the first state, judge whether that according to described electrokinetic cell state or increasing journey mode signal the step that starts described driving engine further comprises:
Increase journey mode signal if described electrokinetic cell SOC is less than the first preset value or increases journey mode signal for starting, judge and start described driving engine.
5. method according to claim 4, is characterized in that, also comprises:
If described electrokinetic cell SOC is greater than the second preset value, point out user's electrokinetic cell electric weight abundance.
6. according to the method described in claim 1 or 3, it is characterized in that, after judging that described driving engine is the third state, judge whether that according to described electrokinetic cell state or increasing journey mode signal the step of closing described driving engine further comprises:
Increase journey mode signal if described electrokinetic cell SOC is greater than the 3rd preset value or increases journey mode signal for closing, judge and close described driving engine.
7. method according to claim 1, is characterized in that, the described extremely described rotating speed of target of described engine speed of controlling after motor control unit admission velocity request mode, further comprises:
Detect the Das Gaspedal degree of depth;
Described entire car controller obtains described rotating speed of target according to the described Das Gaspedal degree of depth.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210526426.1A CN103863300B (en) | 2012-12-07 | 2012-12-07 | A kind of control method of extended-range electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210526426.1A CN103863300B (en) | 2012-12-07 | 2012-12-07 | A kind of control method of extended-range electric vehicle |
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| CN103863300A true CN103863300A (en) | 2014-06-18 |
| CN103863300B CN103863300B (en) | 2016-08-24 |
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| CN201210526426.1A Active CN103863300B (en) | 2012-12-07 | 2012-12-07 | A kind of control method of extended-range electric vehicle |
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| CN106347132A (en) * | 2016-09-05 | 2017-01-25 | 北京新能源汽车股份有限公司 | Electric automobile and start-stop control method and device of range extender of electric automobile |
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| CN111852668A (en) * | 2020-07-29 | 2020-10-30 | 重庆嘉陵全域机动车辆有限公司 | Engine starting control method for hybrid all-terrain vehicle |
| CN112009450A (en) * | 2020-07-28 | 2020-12-01 | 江西五十铃汽车有限公司 | Range extender operation point switching control method based on power prediction |
| CN113954662A (en) * | 2021-10-27 | 2022-01-21 | 重庆金康赛力斯新能源汽车设计院有限公司 | Vehicle range extender control method and device and vehicle range extender control equipment |
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| CN106274892A (en) * | 2016-08-26 | 2017-01-04 | 哈尔滨东安汽车发动机制造有限公司 | A kind of engine start/stop control mixing motor-car type based on engine water gentleness accumulator SOC |
| CN106347132A (en) * | 2016-09-05 | 2017-01-25 | 北京新能源汽车股份有限公司 | Electric automobile and start-stop control method and device of range extender of electric automobile |
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| CN108995642A (en) * | 2018-07-18 | 2018-12-14 | 浙江吉利新能源商用车有限公司 | A kind of vehicle distance increasing unit control method, system and vehicle |
| CN108995642B (en) * | 2018-07-18 | 2020-08-14 | 浙江吉利新能源商用车有限公司 | Vehicle range extender control method and system and vehicle |
| CN112009450A (en) * | 2020-07-28 | 2020-12-01 | 江西五十铃汽车有限公司 | Range extender operation point switching control method based on power prediction |
| CN111852668A (en) * | 2020-07-29 | 2020-10-30 | 重庆嘉陵全域机动车辆有限公司 | Engine starting control method for hybrid all-terrain vehicle |
| CN111852668B (en) * | 2020-07-29 | 2022-08-02 | 重庆嘉陵全域机动车辆有限公司 | Engine starting control method for hybrid all-terrain vehicle |
| CN113954662A (en) * | 2021-10-27 | 2022-01-21 | 重庆金康赛力斯新能源汽车设计院有限公司 | Vehicle range extender control method and device and vehicle range extender control equipment |
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