CN103381827A - Start control method for extend range type vehicle - Google Patents
Start control method for extend range type vehicle Download PDFInfo
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- CN103381827A CN103381827A CN2012101333690A CN201210133369A CN103381827A CN 103381827 A CN103381827 A CN 103381827A CN 2012101333690 A CN2012101333690 A CN 2012101333690A CN 201210133369 A CN201210133369 A CN 201210133369A CN 103381827 A CN103381827 A CN 103381827A
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Abstract
The invention relates to a start control method for an extend range type vehicle, which comprises the following steps: a) starting the extend range type vehicle ; b) judging whether the operation working condition of the extend range type vehicle satisfies the start conditions or not, if satisfying all the start conditions in a first reserved time, judging that the start is successful, and finishing the start control by the program, if not satisfying all start conditions simultaneously in the first reserved time, entering step c); c) recording the time of not satisfying all start conditions simultaneously; d) judging whether the recorded time is less than the time preset value, if yes, entering step e), or switching into a failure mode, and finishing the start control; e) stopping starting in a second preset time range; f) adjusting the starting torque of an electric generator after stopping starting, then returning to the step a), and restarting to start the extend range type vehicle. The control method can lower the possibility of unsuccessful start to the maximal limit.
Description
Technical field
The present invention relates to a kind of control method of automobile starting process, relate in particular to a kind of startup control method of extended-range automobile.
Background technology
As shown in Figure 1, the distance increasing unit of existing extended-range automobile generally comprises a master controller 50, an engine controller 60, a driving engine 62, an engine controller 70 and an electrical generator 72.Wherein, driving engine 62 is connected with electrical generator and can be connected by coupler 82, and master controller 50 can be connected respectively signal and be connected with engine controller with engine controller 60.During startup, electrical generator drives engine starting as starter motor work; After engine starting, drive the electrical generator generating.But the process of existing distance increasing unit control automobile starting is imperfection also, can't avoid some to start unsuccessful situation.
Summary of the invention
The startup control method that the purpose of this invention is to provide a kind of extended-range automobile, its program that need not to revise in engine controller namely can be simulated the moment characteristics of conventional engines, can reduce to greatest extent to start unsuccessful possibility.
The invention provides a kind of startup control method of extended-range automobile, it comprises: a) begin to start the extended-range automobile; Whether the operating condition that b) judges the extended-range automobile satisfies entry condition, if satisfy all entry conditions within one first schedule time, judges to start successfully, and end of program starts to be controlled; If within first schedule time, do not satisfy simultaneously all entry conditions, enter step c); C) record does not satisfy the number of times of all entry conditions simultaneously; D) whether the number of times of judgement record less than a number preset value, if less than entering step e), otherwise changes failure mode over to and finishes described startup control; E) stop starting in the scope of one second specified time; F) through after stopping startup, adjust the staring torque of electrical generator, then return to step a), restart to start the extended-range automobile.Above-mentioned control method can reduce to greatest extent and start unsuccessful possibility.
In a kind of exemplary embodiment of the startup control method of extended-range automobile, wherein the entry condition in step b) comprises: whether the driving engine that judges the extended-range automobile starts; Judge that whether the rotating speed of driving engine is greater than a rotating speed preset value; Judge that whether the staring torque of electrical generator of extended-range automobile is less than a moment preset value.
In a kind of exemplary embodiment of the startup control method of extended-range automobile, wherein judge in step b) start successfully after, the number of times zero clearing of not satisfying simultaneously all entry conditions that previous cycle has been recorded in step c).
In a kind of exemplary embodiment of the startup control method of extended-range automobile, wherein in step f), by the master controller of extended-range automobile, to the engine controller transmission staring torque control command of extended-range automobile, the staring torque control command comprises the target moment values.Can overcome to a certain extent so traditional starter motor cold-starting hard problem.
Hereinafter will be in clear and definite understandable mode, the accompanying drawings preferred embodiment is further described above-mentioned characteristic, technical characterictic, advantage and the implementation thereof of the startup control method of extended-range automobile.
Description of drawings
The following drawings is only done the present invention and is schematically illustrated and explain, not delimit the scope of the invention.
Fig. 1 is the structural representation of existing distance increasing unit.
Fig. 2 is in order to the diagram of circuit of a kind of exemplary embodiment of startup control method that the extended-range automobile is described.
Label declaration
50 master controllers
60 engine controllers
62 driving engines
70 engine controllers
72 electrical generators
82 coupler
S10 starts to start
S20 judges whether to satisfy entry condition
The S30 judgement starts successfully
S40 records number of times
Whether the S50 judgement records number of times less than preset value
S60 stops starting
S70 adjusts the electrical generator staring torque
S80 changes failure mode over to.
The specific embodiment
Understand for technical characterictic, purpose and effect to invention have more clearly, now contrast description of drawings the specific embodiment of the present invention.
For making drawing succinct, only schematically shown part related to the present invention in each figure, they do not represent that it is as the practical structures of product.
The distance increasing unit of existing extended-range automobile as shown in Figure 1, comprises a master controller 50, an engine controller 60, a driving engine 62, an engine controller 70 and an electrical generator 72.Wherein, driving engine 62 is connected with electrical generator and can be connected by coupler 82, and master controller 50 can be connected respectively signal and be connected with engine controller with engine controller 60.Fig. 2 is in order to the diagram of circuit of a kind of exemplary embodiment of startup control method that the extended-range automobile is described, existing in conjunction with Fig. 1 and Fig. 2 in order to schematically to explain and to illustrate the startup control method of extended-range automobile.
As shown in Figure 2, when the operator need to begin to start the extended-range automobile, program enters step S10 and starts to start, at this moment, master controller 50 sends actuation signal to engine controller 70, engine controller 70 can be controlled electrical generator 72 as starter motor work, so that electrical generator 72 can drive driving engine 62 work by coupler 82, then enters step S20.
At step S20, program judges whether to satisfy entry condition, i.e. the service condition of engine controller 60 Real-Time Monitoring driving engines 62, the service condition of engine controller 70 Real-Time Monitoring electrical generators 72.Master controller 50 receives the information that engine controller 60 and engine controller 70 spread out of simultaneously, with judge rotating speed that whether driving engine 62 start, judge driving engine 62 whether greater than a rotating speed preset value, judge that whether the staring torque of electrical generator 72 is less than a moment preset value.If within first schedule time of presetting, for example in 10 seconds, above-mentioned three conditions all satisfy simultaneously, enter step S30, can finish whole startup control process; If within above-mentioned first schedule time, above-mentioned three conditions can't satisfy simultaneously, enter step S40.
At step S40, the number of times that entry condition does not all satisfy judged in master controller 50 records, then starts control program and enter step S50.Whether the number of times that the entry condition of step S50 judgement record does not all satisfy is less than a number preset value, be that master controller 50 judges that whether the number of times of above-mentioned record is less than a pre-stored good number of times preset value, if less than would enter step S60, stop the startup of automobile, namely stop starting in second a default specified time, for example stopped starting in 5 seconds, master controller does not send any instruction, then enters step S70.At step S70, master controller 50 sends the Torque Control instruction to engine controller 70, and engine controller 70 can be adjusted the staring torque of electrical generator 12 according to above-mentioned Torque Control instruction, and program reenters step S10 subsequently.
If in step 50, the number of times of the master controller 50 above-mentioned records of judgement is equal to or greater than a pre-stored good number of times preset value, and program enters step S80, and this moment, master controller 50 changed failure mode over to, and can notify the operating personal automobile to be in faulty condition, and finish whole startup control process.
Adopt above-mentioned control method, can simulate the moment characteristics of orthodox car starter motor, can keep within a certain period of time certain staring torque.And said method can be adjusted staring torque as required, starts unsuccessful possibility to reduce to greatest extent.
Wherein, after judgement starts successfully in step S30, but the number of times that zero clearing is recorded in the S40 step.
In addition, the Torque Control instruction can comprise the target moment values, and the target moment values can be by the time length of Engine Coolant Temperature, staring torque, the decisions such as rotating speed of driving engine 62.Can overcome to a certain extent so traditional starter motor cold-starting hard problem.
The program that the startup control method of extended-range automobile need not to revise in engine controller namely can be simulated the moment characteristics of conventional engines, can reduce to greatest extent to start unsuccessful possibility.
In this article, " schematically " expression " is served as example, example or explanation ", any diagram, the embodiment that is described in this article " schematically " should be interpreted as a kind of preferred or have more the technical scheme of advantage.
Be to be understood that, although this specification sheets is described according to each embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should make specification sheets as a whole, technical scheme in each embodiment also can through appropriate combination, form other embodiments that it will be appreciated by those skilled in the art that.
Above listed a series of detailed description is only illustrating for feasibility embodiment of the present invention; they are not to limit protection scope of the present invention, all disengaging within equivalent embodiment that skill spirit of the present invention does or change all should be included in protection scope of the present invention.
Claims (4)
1. the startup control method of extended-range automobile, it comprises:
A) begin to start described extended-range automobile;
Whether the operating condition that b) judges described extended-range automobile satisfies entry condition, if satisfy all described entry conditions within one first schedule time, judges to start successfully, finishes described startup and controls; If within described first schedule time, do not satisfy simultaneously all described entry conditions, enter step c);
C) record does not satisfy the number of times of all described entry conditions simultaneously;
D) whether the described number of times of judgement record less than a number preset value, if less than entering step e), otherwise changes failure mode over to and finishes described startup control;
E) stop starting in the scope of one second specified time;
F) through described stop starting after, adjust the staring torque of described electrical generator, then return to step a), restart to start described extended-range automobile.
2. the startup control method of extended-range automobile as claimed in claim 1, wherein the described entry condition of step b) comprises:
Whether the driving engine that judges described extended-range automobile starts;
Judge that whether the rotating speed of described driving engine is greater than a rotating speed preset value;
Judge that whether the staring torque of electrical generator of described extended-range automobile is less than a moment preset value.
3. the startup control method of extended-range automobile as claimed in claim 1, wherein, judge in step b) start successfully after, the number of times zero clearing of not satisfying simultaneously all described entry conditions that previous cycle has been recorded in described step c).
4. the startup control method of extended-range automobile as claimed in claim 1, wherein, in step f), by the master controller of described extended-range automobile, engine controller to described extended-range automobile sends the staring torque control command, and described staring torque control command comprises the target moment values.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101333690A CN103381827A (en) | 2012-05-03 | 2012-05-03 | Start control method for extend range type vehicle |
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| CN2012101333690A CN103381827A (en) | 2012-05-03 | 2012-05-03 | Start control method for extend range type vehicle |
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| CN103381827A true CN103381827A (en) | 2013-11-06 |
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| CN2012101333690A Pending CN103381827A (en) | 2012-05-03 | 2012-05-03 | Start control method for extend range type vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620299A (en) * | 2015-12-21 | 2016-06-01 | 北京新能源汽车股份有限公司 | Starting control method and device for range-increasing type electric vehicle range increaser |
| CN105774571A (en) * | 2015-12-30 | 2016-07-20 | 北京新能源汽车股份有限公司 | Range-extending electric car and engine starting control method and system thereof |
| CN105882430A (en) * | 2016-05-16 | 2016-08-24 | 北京新能源汽车股份有限公司 | Device and method for controlling range extender system of electric vehicle |
| CN108045266A (en) * | 2017-11-09 | 2018-05-18 | 浙江吉利新能源商用车有限公司 | A kind of distance increasing unit starts control method and device |
| CN110395248A (en) * | 2019-07-29 | 2019-11-01 | 浙江吉利新能源商用车集团有限公司 | A kind of the starting control method and control system of distance increasing unit |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105620299A (en) * | 2015-12-21 | 2016-06-01 | 北京新能源汽车股份有限公司 | Starting control method and device for range-increasing type electric vehicle range increaser |
| WO2017107677A1 (en) * | 2015-12-21 | 2017-06-29 | 北京新能源汽车股份有限公司 | Starting control method and device for range-extending type electric vehicle range extender |
| CN105620299B (en) * | 2015-12-21 | 2018-09-11 | 北京新能源汽车股份有限公司 | Stroke-increasing electric automobile distance increasing unit method for starting-controlling and device |
| CN105774571A (en) * | 2015-12-30 | 2016-07-20 | 北京新能源汽车股份有限公司 | Range-extending electric car and engine starting control method and system thereof |
| CN105774571B (en) * | 2015-12-30 | 2018-04-03 | 北京新能源汽车股份有限公司 | Stroke-increasing electric automobile and its engine start control method, system |
| CN105882430A (en) * | 2016-05-16 | 2016-08-24 | 北京新能源汽车股份有限公司 | Device and method for controlling range extender system of electric vehicle |
| CN105882430B (en) * | 2016-05-16 | 2018-01-09 | 北京新能源汽车股份有限公司 | The control method and device of range extender of electric vehicle system |
| CN108045266A (en) * | 2017-11-09 | 2018-05-18 | 浙江吉利新能源商用车有限公司 | A kind of distance increasing unit starts control method and device |
| CN110395248A (en) * | 2019-07-29 | 2019-11-01 | 浙江吉利新能源商用车集团有限公司 | A kind of the starting control method and control system of distance increasing unit |
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Application publication date: 20131106 |