CN103726940B - Engine start control method and system - Google Patents
Engine start control method and system Download PDFInfo
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- CN103726940B CN103726940B CN201310751633.1A CN201310751633A CN103726940B CN 103726940 B CN103726940 B CN 103726940B CN 201310751633 A CN201310751633 A CN 201310751633A CN 103726940 B CN103726940 B CN 103726940B
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Abstract
The present invention relates to a kind of engine start control method.Engine start control method includes：Exporting startup in primary condition judge module, automatic transmission control module and electronic brake system allows signal, and the automatic start engine when driver operation detection module, automatic transmission control module and electronic brake system export start-up request signal.The present invention also provides a kind of engine start control system.The present invention together decides on whether start engine according to the judgement that primary condition judge module, automatic transmission control module and electronic brake system and driver operation detection module are exported, ensure to start engine in the state of each system safety of vehicle, improve the security during vehicle launch engine of automatic transaxle.
Description
Technical field
The invention relates to field of engine control, and in particular to a kind of engine start control method and it is
System.
Background technology
With the popularization of vehicle, people propose higher requirement to the driving comfort of vehicle, operation ease, because
This, the vehicle with automatic transmission is due to having the advantages that operation is easy, gear shift is quick, driving comfort, it has also become vehicle is sent out
The new direction of exhibition.
However, the vehicle of current automatic transaxle, when judging whether automatic start engine, Rule of judgment is endless
It is kind, still suffer from larger potential safety hazard.
The content of the invention
The present invention provides a kind of engine start control method and system, can improve the vehicle launch hair of automatic transaxle
Security during motivation.
The present invention provides a kind of engine start control method, and it includes：Judge primary condition judge module, fluid drive
Whether output starts permission signal for device control module and electronic brake system；If primary condition judge module, automatic change
Output does not start permission signal for fast device control module and electronic brake system, then repeats to judge that primary condition judges mould
Whether output starts permission signal for block, automatic transmission control module and electronic brake system；If primary condition judges
Module, automatic transmission control module and electronic brake system, which export startup, allows signal, then judges that driver operates
Whether detecting module exports start-up request signal；If the start-up request signal that driver operation detection module is not exported, is repeated
Judge whether output startup allows letter for primary condition judge module, automatic transmission control module and electronic brake system
Number；If driver operation detection module exports start-up request signal, automatic transmission control module, electronic brake are judged
The start-up request signal whether system exports；If what automatic transmission control module, electronic brake system were exported opens
Request signal is moved, then automatic start engine；And if automatic transmission control module, electronic brake system are not exported
Start-up request signal, then repeat to judge primary condition judge module, automatic transmission control module and electronic brake system
Whether output, which starts, allows signal.
The present invention also provides a kind of engine start control system, and the engine start control system includes fluid drive
Device control module, automatic transmission control module, primary condition judge module, engine control module and driver's operation are detectd
Survey module.The automatic transmission control module is used for when transmission state is normal, and output, which starts, allows signal.The electronics
Parking braking system is used for the output when not receiving brake signal and grade signal and starts permission signal.Driver's operation
Detecting module, which is used to be started according to the position of gear lever and the working condition output of brake, allows signal or startup refusal signal.Institute
Stating primary condition judge module is used to detect start stop system, starter and engine condition, and in the start stop system, starter
And engine condition is normal, and engine start in the given time failure number of times be less than preset value when, output start permit
Perhaps signal.The engine control module receive the primary condition judge module, the automatic transmission control module,
When the startup of the electronic brake system output allows signal, signal is lighted in output, and if being connect after signal is lighted in output
The automatic transmission control module, the start-up request signal of electronic brake system output are received, then is controlled described
Engine start.
The engine start control system and method for the present invention is in primary condition judge module, automatic transmission control module
And electronic brake system exports startup permission signal, and in driver operation detection module, automatic transmission control mould
When block, electronic brake system export start-up request signal, engine start is controlled, it is ensured that safe in the system of vehicle
Start engine under state, improve the security during vehicle launch engine of automatic transaxle.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Brief description of the drawings
Fig. 1 is the module map of the engine start control system according to one embodiment of the invention.
Fig. 2 is according to one of the engine start control method of one embodiment of the invention flow chart.
Judgement primary condition judge modules, automatic of the Fig. 3 according to the engine start control method of one embodiment of the invention
Transmission control module, whether electronic brake system, one of output startup permission signal flow chart.
Fig. 4 is that the judgement driver operation detection module of the engine start control method according to one embodiment of the invention is
No output, which starts, allows one of signal flow chart.
Embodiment
Reference picture 1, engine start control system 10 is used for automatic start engine 20, and engine starting system 10 includes
Primary condition judge module 101, automatic transmission control module (transmission control module, TCM) 102, electricity
Sub- parking braking system (electric parking brake, EPB) 103, engine control module (engine control
Module, ECM) 104 and driver operation detection module 105.Primary condition judge module 101 is used to detect start stop system, risen
Motivation and the state of engine 20, and it is normal in start stop system, starter and the state of engine 20, and engine is in the scheduled time
When the interior number of times for starting failure is less than preset value, output, which starts, allows signal.
In one embodiment of the present invention, TCM102 is used for when transmission state is normal, and output, which starts, allows signal.
EPB103 is used for when not receiving brake signal and grade signal, and output, which starts, allows signal.ECM104 is being received substantially
When condition judgment module 101, the startup of TCM102, EPB103 output allow signal, signal is lighted in output, and lights letter in output
If receiving the start-up request signal of TCM102, EPB103 output after number, control engine 20 starts.
In one embodiment of the present invention, start stop system includes brake vacuum degree sensor and battery sensor, start and stop
System brake vacuum degree sensor and battery sensor output respectively in corresponding preset range when then illustrate start and stop system
System state is normal.
In one embodiment of the present invention, start stop system also includes locality connection network (Local Interconnect
Network, LIN), controller LAN (Controller Area Network, CAN) and speed detecting system.Start stop system
It is normal in LIN and CAN, and speed detecting systems scan speed in tolerance interval when then illustrating start stop system state just
Often.
In the present embodiment, engine start control system 10 also includes instruction system, and instruction system is being received
Lighting for ECM104 outputs is luminous during signal.
The present invention engine start control system 10 ECM104 primary condition judge module 101, TCM102 and
EPB103 export startup allow signal, and driver operation detection module 105, TCM102 and EPB103 export startup please
When seeking signal, control engine 20 starts, it is ensured that start engine 20 in the state of the system safety of vehicle, improves band certainly
Security during the vehicle launch engine 20 of dynamic speed changer.
Referring to Fig. 1 and Fig. 2, engine start control method comprises the following steps：Step S101 is initially entered, is sentenced
Whether output starts permission signal by disconnected primary condition judge module 101, TCM102 and EPB103, if primary condition judge module
101st, TCM102 and EPB103 output start allow signal, then repeat judge primary condition judge module 101, TCM102 and
Whether output starts permission signal to EPB103.Permit if primary condition judge module 101, TCM102 and EPB103 export startup
Perhaps signal, then into step S103, judge whether driver operation detection module 105 exports start-up request signal.If driver
The start-up request signal that does not export of operation detecting module 105, then repeat to judge primary condition judge module 101, TCM102,
Whether output starts permission signal to EPB103.If driver operation detection module 105 exports start-up request signal, enter step
Rapid S105, judges the start-up request signal whether EPB103, TCM102 export.If the startup that EPB103, TCM102 are exported
Request signal, then into step S107, automatic start engine.If the start-up request signal that EPB103, TCM102 are not exported,
Then repeat to judge whether output starts permission signal by primary condition judge module 101, TCM102 and EPB103.
Referring to Fig. 1 and Fig. 3, step S101：Judging primary condition judge module 101, TCM102 and EPB103 is
No output, which starts, allows signal:Including：
First, into step S1011, judge whether primary condition judge module 101 exports startup and allow signal.If basic
Condition judgment module 101, which does not export startup, allows signal, then repeats to judge whether primary condition judge module 101 exports startup and permit
Perhaps signal.If primary condition judge module 101 output start allow signal, into step S1013, judge TCM102 and
Whether output starts permission signal to EPB103.
In the present embodiment, step S1011：Judge whether primary condition judge module 101 exports startup and allow signal
Including judging whether start stop system, starter and the state of engine 20 are normal；If start stop system, starter and the shape of engine 20
State is not normal, then repeats to judge whether start stop system, starter and the state of engine 20 are normal.If start stop system, starting
Machine and the state of engine 20 are normal, then judge whether driver's system exports ready signal.If the output of driver's system is ready
Signal, then judge that whether engine 20 starts the number of times of failure less than setting value in the given time.If driver's system is not defeated
Go out ready signal, then repeat to judge whether start stop system, starter and the state of engine 20 are normal.If engine 20 is predetermined
The number of times for starting failure in time is less than setting value, then the output of the control module of engine 20, which starts, allows signal.And if engine
20 number of times for starting failure in the given time are not less than setting value, then repeat to judge start stop system, starter and engine 20
Whether state is normal.
In the present embodiment, judge that the whether normal step of start stop system includes judging brake vacuum degree sensor and electricity
Whether the output of pond sensor is respectively in corresponding preset range.In another embodiment of the present invention, start and stop system is judged
The step of system, also includes this judgement ground connection network (Local Interconnect Network, LIN) and controller LAN
Whether (Controller Area Network, CAN) be normal, and whether detecting speed is normal.
In the present embodiment, judge that driver's system, when detecting driver on driver's seat, exports ready letter
Number.
Referring to Fig. 1 and Fig. 4, judging whether driver operation detection module 105 exports to start allows the step of signal
Suddenly include：First, into step S1031, judge whether gear lever is located at neutral gear or parking position switch, if gear lever is located at neutral gear or stopped
Car bumper, the then repetition of driver operation detection module 105 judges whether gear lever is located at neutral gear or parking position switch.If gear lever is not located at
Neutral gear and parking position switch, then into step S1033, judge whether gear lever is located at reverse gear, if gear lever is located at reverse gear, enter
Enter step S1035, the output of driver operation detection module 105, which starts, allows signal.If gear lever is not located at reverse gear, enter
Step S1037, judges whether brake is working condition.If brake is working condition, driver operation detection module 105 is repeated
Judge whether gear lever is located at neutral gear or parking position switch.If brake is idle state, enter step S1039 driver operation detecting
The output of module 105, which starts, allows signal.
In the present embodiment, ECM104 is exported receiving primary condition judge module 101, TCM102 and EPB103
Startup allow signal when, output light signal, to light instruction system.
In the present embodiment, judge whether EPB103 exports the step of startup allows signal includes whether judging EPB103
Brake signal or grade signal are received, if EPB103 does not receive brake signal and grade signal, EPB103 outputs, which start, to be permitted
Perhaps signal, and if EPB103 receive brake signal or grade signal, repeat to judge whether EPB103 receives brake signal
Or grade signal.
The present invention engine start control method ECM104 primary condition judge module 101, TCM102 and
EPB103 export startup allow signal, and driver operation detection module 105, TCM102 and EPB103 export startup please
When seeking signal, control engine 20 starts, it is ensured that start engine 20 in the state of the system safety of vehicle, improves band certainly
Security during the vehicle launch engine 20 of dynamic speed changer.
More than, only it is the preferred embodiments of the present invention, any formal limitation not is made to the present invention, although this
Invention is disclosed above with preferred embodiment, but is not limited to the present invention, any those skilled in the art,
Do not depart from the range of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of change, as long as being that, without departing from technical solution of the present invention content, the technical spirit according to the present invention is real to more than
Any simple modification, equivalent variations and modification that example made are applied, in the range of still falling within technical solution of the present invention.
Claims (9)
1. a kind of engine start control method, it is characterised in that the engine start control method includes：
Judge whether output startup is permitted for primary condition judge module, automatic transmission control module and electronic brake system
Perhaps signal；
If output startup does not allow letter for primary condition judge module, automatic transmission control module and electronic brake system
Number, then repeat to judge whether primary condition judge module, automatic transmission control module and electronic brake system export
Starting allows signal；
If primary condition judge module, automatic transmission control module and electronic brake system, which export startup, allows letter
Number, then judge whether driver operation detection module exports start-up request signal；
If driver operation detection module does not export start-up request signal, repeat to judge primary condition judge module, automatic change
Whether output starts permission signal for fast device control module and electronic brake system；
If driver operation detection module exports start-up request signal, automatic transmission control module, electronic parking system are judged
The start-up request signal whether dynamic system exports；
If the start-up request signal that automatic transmission control module, electronic brake system are exported, automatic start is started
Machine；And
If the start-up request signal that automatic transmission control module, electronic brake system are not exported, repeat to judge base
Whether output starts permission signal for this condition judgment module, automatic transmission control module and electronic brake system.
2. engine start control method as claimed in claim 1, it is characterised in that the engine start control method is also
Including：
If primary condition judge module, automatic transmission control module and electronic brake system, which export startup, allows letter
Number, then light instruction system.
3. engine start control method as claimed in claim 1, it is characterised in that judge primary condition judge module, from
Dynamic transmission control module and electronic brake system include the step of whether output starts permission signal：
Judge whether primary condition judge module exports startup and allow signal；
If primary condition judge module does not export startup and allows signal, repeatedly judging whether primary condition judge module exports opens
It is dynamic to allow signal；And
If the output of primary condition judge module, which starts, allows signal, automatic transmission control module, electronic brake are judged
Whether output starts permission signal to system.
4. engine start control method as claimed in claim 1, it is characterised in that whether judge primary condition judge module
The step of output starts permission signal includes：
Judge whether start stop system, starter and engine condition are normal；
If start stop system, starter and engine condition be not normal, repeat to judge start stop system, starter and engine shape
Whether state is normal；
If start stop system, starter and engine condition are normal, judge whether driver's system exports ready signal；
If driver's system exports ready signal, judge that whether engine starts the number of times of failure less than setting in the given time
Definite value；
If driver's system does not export ready signal, repeat to judge start stop system, starter and engine condition whether just
Often；
If the number of times that engine starts failure in the given time is less than setting value, engine control module output, which starts, to be allowed
Signal；And
If the number of times that engine starts failure in the given time is not less than setting value, repeat to judge start stop system, starter
And whether engine condition is normal.
5. engine start control method as claimed in claim 4, it is characterised in that judge whether start stop system normally walks
Suddenly include：
Judge whether the state of brake vacuum degree sensor and battery sensor is normal.
6. engine start control method as claimed in claim 1, it is characterised in that judge that driver operation detection module is
The step of no output starts permission signal includes：
Judge whether gear lever is located at neutral gear or parking position switch；
If gear lever is located at neutral gear or parking shift, repeat to judge whether gear lever is located at neutral gear or parking position switch；
If gear lever is not located at neutral gear and parking position switch, judge whether gear lever is located at reverse gear；
If gear lever is located at reverse gear, driver operation detection module output, which starts, allows signal；
If gear lever is not located at reverse gear, judge whether brake is working condition；
If brake is working condition, repeat to judge whether gear lever is located at neutral gear or parking position switch；And
If brake is idle state, driver operation detection module output, which starts, allows signal.
7. engine start control method as claimed in claim 1, it is characterised in that whether judge electronic brake system
The step of output starts permission signal includes：
Judge whether electronic brake system receives brake signal or grade signal；
If electronic brake system does not receive brake signal and grade signal, electronic brake system output, which starts, to be allowed
Signal；And
If electronic brake system receives brake signal or grade signal, electronic brake system, which does not export startup, to be permitted
Perhaps signal.
8. a kind of engine start control system, including primary condition judge module, automatic transmission control module, electronic parking
Brakes, driver operation detection module, engine control module；The primary condition judge module is used to detect start and stop system
System, engine condition；The automatic transmission control module is used for when transmission state is normal, and output, which starts, allows signal；
The driver operation detection module be used to be started according to the working condition output of the position of gear lever and brake allow signal or
Start refusal signal, it is characterised in that：
Primary condition judge module, is additionally operable to detect starter state, and in the start stop system, starter and engine condition
It is normal, and engine, when starting the number of times of failure in the given time and being less than preset value, output, which starts, allows signal；
Electronic brake system, for when not receiving brake signal and grade signal, output, which starts, to allow signal；
Engine control module, for receiving the primary condition judge module, the automatic transmission control module, institute
When stating the startup permission signal of electronic brake system output, signal is lighted in output, and if being received after signal is lighted in output
The start-up request signal exported to the automatic transmission control module, the electronic brake system, then control the hair
Motivation starts.
9. engine start control system as claimed in claim 8, it is characterised in that the engine start control system is also
Including indicating system, the instruction system receive it is described light signal when it is luminous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751633.1A CN103726940B (en) | 2013-12-30 | 2013-12-30 | Engine start control method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751633.1A CN103726940B (en) | 2013-12-30 | 2013-12-30 | Engine start control method and system |
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| CN103726940A CN103726940A (en) | 2014-04-16 |
| CN103726940B true CN103726940B (en) | 2017-07-28 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074612B (en) * | 2014-06-26 | 2017-07-28 | 浙江吉利控股集团有限公司 | Engine stop control method and system |
| CN105484881A (en) * | 2014-09-18 | 2016-04-13 | 大陆汽车电子(长春)有限公司 | Vehicle engine idle-speed start and stop control method, device and system |
| CN108928307A (en) * | 2017-05-23 | 2018-12-04 | 深圳市昌道科技有限公司 | It is a kind of that vehicle automatic start-stop is arranged to the method and device thereof for carrying out memory retention |
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| CN102390376A (en) * | 2011-10-11 | 2012-03-28 | 广州汽车集团股份有限公司 | Intelligent starting and stopping system of engine and intelligent starting and stopping method for automobile |
| CN103253271A (en) * | 2012-11-01 | 2013-08-21 | 浙江吉利变速器有限公司 | Automatic transmission based N-gear starting and stopping system control method |
| CN103287425A (en) * | 2012-02-29 | 2013-09-11 | 通用汽车环球科技运作有限责任公司 | Method to trigger engine start of a hybrid vehicle based on local traffic conditions |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2619651B2 (en) * | 1987-10-12 | 1997-06-11 | ヤマハ発動機株式会社 | Vehicle engine starter |
| JP5177544B2 (en) * | 2008-11-19 | 2013-04-03 | マツダ株式会社 | Vehicle idle stop start control device |
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2013
- 2013-12-30 CN CN201310751633.1A patent/CN103726940B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390376A (en) * | 2011-10-11 | 2012-03-28 | 广州汽车集团股份有限公司 | Intelligent starting and stopping system of engine and intelligent starting and stopping method for automobile |
| CN103287425A (en) * | 2012-02-29 | 2013-09-11 | 通用汽车环球科技运作有限责任公司 | Method to trigger engine start of a hybrid vehicle based on local traffic conditions |
| CN103253271A (en) * | 2012-11-01 | 2013-08-21 | 浙江吉利变速器有限公司 | Automatic transmission based N-gear starting and stopping system control method |
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