CN102085860B - Automobile hydraulic power-assisted steering switching signal processing method - Google Patents
Automobile hydraulic power-assisted steering switching signal processing method Download PDFInfo
- Publication number
- CN102085860B CN102085860B CN2011100072241A CN201110007224A CN102085860B CN 102085860 B CN102085860 B CN 102085860B CN 2011100072241 A CN2011100072241 A CN 2011100072241A CN 201110007224 A CN201110007224 A CN 201110007224A CN 102085860 B CN102085860 B CN 102085860B
- Authority
- CN
- China
- Prior art keywords
- time
- signal
- effective time
- steering
- servo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/065—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by specially adapted means for varying pressurised fluid supply based on need, e.g. on-demand, variable assist
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/08—Introducing corrections for particular operating conditions for idling
- F02D41/083—Introducing corrections for particular operating conditions for idling taking into account engine load variation, e.g. air-conditionning
-
- 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
- B60W10/20—Conjoint control of vehicle sub-units of different type or different function including control of steering systems
-
- 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
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0062—Adapting control system settings
- B60W2050/0075—Automatic parameter input, automatic initialising or calibrating means
- B60W2050/0083—Setting, resetting, calibration
- B60W2050/0087—Resetting start and end points of actuator travel
-
- 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
- B60W2710/065—Idle condition
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The invention discloses an automobile hydraulic power-assisted steering switching signal processing method. The method comprises the steps of setting a nominal time Tmin and setting the effective time Tout of a logic processing signal according to the relation between the effective time of the power-assisted steering switching signal and the nominal time Tmin. By applying the method in the invention, the power of the engine can be avoided from being increased or reduced frequently, thus an engine electronic spray pipe management system can easily control the idling speed of the engine and the driving performance is improved.
Description
Technical field
The present invention relates to a kind of signal processing method, particularly relate to a kind of processing method of automobile hydraulic power-assisted steering switching signal.
Background technology
In order to improve the driving performance of vehicle, in vehicle, generally all dispose the mechanical type hydraulic servo steering system.In order to remedy this steering swivel system to the consumption of power of driving engine, it is flame-out to prevent that vehicle from turning in the idling situation, in system, usually also dispose the hydraulic power-assisted steering switch, this on-off signal is input to vehicle EFI system control unit ECU(Electronic Control Unit, electronic control unit), when hydraulic pressure surpasses the switch valve value of servo-steering switch, switch connection, engine power when electric injection system control unit ECU increases idling is to prevent engine off; When hydraulic pressure was lower than the switch valve value of servo-steering switch, switch disconnected, and the original engine power that increases of electric injection system control unit ECU cancellation is too high to prevent the engine idle rotating speed.
When the oil pressure in the mechanical type hydraulic servo steering system when cut-offfing of servo-steering switch fluctuateed near the threshold values back and forth, the servo-steering switch is connected disconnection frequently, corresponding vehicle EFI system control unit ECU also increases and reduces engine power frequently.If this situation appears in vehicle in the neutral idle situation, the phenomenon that engine speed can occur fluctuating back and forth, thus affect the vehicular drive performance.As shown in Figure 1: the servo-steering on-off signal is effectively low, and engine power constantly changes with the variation of servo-steering on-off signal.As seen from the figure, in the servo-steering switch A1 effective time time period, engine electric spray management system ECU begins to increase engine power, but owing to the servo-steering switch disconnects rapidly, (A point among the figure) just do not begin to reduce engine power when the power of driving engine also is increased to calibration value; When also not reaching zero, (B point among the figure), because the servo-steering switch is switched on again (the A2 low level is constantly among the figure), ECU begins again to increase the power of driving engine.In this case, the power of driving engine is increased frequently and is reduced, so that the engine electric spray management system becomes very difficult when the idling speed of control engine.
Summary of the invention
The purpose of this invention is to provide a kind of automobile hydraulic power-assisted steering switching signal processing method, the method can be avoided engine power to be increased frequently and reduce, thereby can make the engine electric spray management system become easy when the idling speed of control engine.
For realizing purpose of the present invention, the invention provides a kind of automobile hydraulic power-assisted steering switching signal processing method, comprise the steps:
(1) sets nominal time Tmin;
(2) judge that whether servo-steering on-off signal T0 effective time is less than nominal time Tmin;
(3) as servo-steering on-off signal T0 effective time during less than nominal time Tmin, logical process signal Tout effective time is taken as nominal time Tmin; When logical process signal Tout effective time lasts till nominal time Tmin, judged whether that power-assisted pole changer signal Tn effective time exists, described n is positive integer, when not having a servo-steering on-off signal effective time, Tn existed, finishes; When power-assisted pole changer signal being arranged effective time, Tn existed, judge that whether servo-steering on-off signal Tn effective time is less than nominal time Tmin, as servo-steering on-off signal Tn effective time during less than nominal time Tmin, then logical process signal Tout effective time is taken as 2 * Tmin; As servo-steering on-off signal Tn effective time during greater than nominal time Tmin, then logical process signal Tout effective time is taken as Tmin+Tn; Described logical process signal Tout effective time is the low level time of logical process signal, is the time length that electric injection system control unit ECU regulates engine power;
(4) as servo-steering on-off signal T0 effective time during greater than nominal time Tmin, logical process signal Tout effective time is taken as servo-steering on-off signal T0 effective time;
(5) finish.
The method can be avoided engine power to be increased frequently or reduce, thereby makes the more easily idling speed of control engine of engine electric spray management system, thereby improves the vehicular drive performance.
In a preferred embodiment of the invention, this signal processing method also is set with demarcates Tdelay delay time, when the time gap Tsp between adjacent two sections logical process signal Tout effective time greater than demarcating delay time during Tdelay, the actual delay time T int between adjacent two sections logical process signal Tout effective time is taken as time gap Tsp; When the time gap Tsp between adjacent two sections logical process signal Tout effective time less than demarcating delay time during Tdelay, actual delay time T int is taken as and demarcates Tdelay delay time.
In above-mentioned preferred implementation according to the present invention, servo-steering on-off signal T0 effective time ..., Tn is interlude between the adjacent falling edge of servo-steering on-off signal and the positive rise.
In above-mentioned preferred implementation according to the present invention, the initial time of logical process signal Tout effective time is identical with the initial time of servo-steering on-off signal T0 effective time.
In a preferred embodiment of the invention, nominal time Tmin is 100ms.
In another kind of preferred implementation according to the present invention, demarcation Tdelay delay time is 50ms.
The beneficial effect that the present invention has:
Automobile hydraulic power-assisted steering switching signal processing method of the present invention is set Tout effective time of logical process signal according to the length of servo-steering on-off signal T0 effective time, can avoid engine power to be increased frequently or reduce, thereby make the more easily idling speed of control engine of engine electric spray management system.
Description of drawings
Fig. 1 is the scheme drawing that servo-steering on-off signal and engine power change under the conventional approach;
Fig. 2 is the diagram of circuit of automobile hydraulic power-assisted steering switching signal processing method of the present invention;
Fig. 3 is the sequential chart of power-assisted change-over swith signal and logical process signal.
The specific embodiment
For make purpose of the present invention, technical scheme, and advantage clearer, the present invention is described in more detail referring to accompanying drawing.
Fig. 2 shows the diagram of circuit of automobile hydraulic power-assisted steering switching signal processing method.As seen from the figure, signal processing method comprises the steps:
(1) set nominal time Tmin, in the present embodiment, Tmin is taken as 100ms;
(2) judge that whether servo-steering on-off signal T0 effective time is less than nominal time Tmin;
(3) as servo-steering on-off signal T0 effective time during less than nominal time Tmin, logical process signal Tout effective time is taken as nominal time Tmin; When logical process signal Tout effective time lasts till nominal time Tmin, judged whether that power-assisted pole changer signal Tn effective time exists, described n is positive integer, when not having a servo-steering on-off signal effective time, Tn existed, finishes; When power-assisted pole changer signal being arranged effective time, Tn existed, judge that whether servo-steering on-off signal Tn effective time is less than nominal time Tmin, as servo-steering on-off signal Tn effective time during less than nominal time Tmin, then logical process signal Tout effective time is taken as 2 * Tmin; As servo-steering on-off signal Tn effective time during greater than nominal time Tmin, then logical process signal Tout effective time is taken as Tmin+Tn; Described logical process signal Tout effective time is the low level time of logical process signal, is the time length that electric injection system control unit ECU regulates engine power;
(4) as servo-steering on-off signal T0 effective time during greater than nominal time Tmin, logical process signal Tout effective time is taken as servo-steering on-off signal T0 effective time;
(5) finish.
Wherein, servo-steering on-off signal T0 effective time ..., Tn is interlude between the adjacent falling edge of servo-steering on-off signal and the positive rise.Logical process signal Tout effective time is the time length that electric injection system control unit ECU regulates engine power, and the initial time of logical process signal Tout effective time is identical with the initial time of servo-steering on-off signal T0 effective time.
Fig. 3 is the sequential chart of power-assisted change-over swith signal and logical process signal.As seen from the figure, when servo-steering on-off signal T0 effective time less than nominal time Tmin, and do not have servo-steering on-off signal Tn effective time to exist when nominal time Tmin finishes, wherein n is positive integer, and then logical process signal Tout effective time is taken as nominal time Tmin.As servo-steering on-off signal T0 effective time during greater than nominal time Tmin, logical process signal Tout effective time is taken as servo-steering on-off signal T0 effective time.When servo-steering on-off signal T0 effective time less than nominal time Tmin, and when finishing, have the nominal time Tmin time power-assisted pole changer signal Tn effective time to exist, in the present embodiment, n is 1, as servo-steering on-off signal T1 effective time during less than nominal time Tmin, then Tout is 2 * Tmin; As T1 during greater than nominal time Tmin, then logical process signal Tout effective time is taken as Tmin+T1.In the present embodiment, as servo-steering on-off signal T1 effective time during less than nominal time Tmin, only provided the example of the lasting 2 * Tmin of logical process signal Tout effective time, p * Tmin is during the moment when logical process signal Tout effective time arrives, and wherein, p is the integer greater than 1, the existence of power-assisted pole changer signal Tm effective time is arranged again, wherein, m is the integer greater than n, then continues according to above-mentioned determination methods value.
Can also set in this signal processing method and demarcate Tdelay delay time, in the present embodiment, demarcation Tdelay delay time is taken as 50ms, as shown in Figure 3, when the time gap Tsp between adjacent two sections logical process signal Tout effective time greater than demarcating delay time during Tdelay, the actual delay time T int between adjacent two sections logical process signal Tout effective time is taken as time gap Tsp; When the time gap Tsp between adjacent two sections logical process signal Tout effective time less than demarcating delay time during Tdelay, actual delay time T int is taken as and demarcates Tdelay delay time.
Certainly; the present invention also can have other various embodiments; in the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (5)
1. an automobile hydraulic power-assisted steering switching signal processing method is characterized in that: comprise the steps:
(1) sets nominal time Tmin;
(2) judge that whether servo-steering on-off signal T0 effective time is less than nominal time Tmin;
(3) as servo-steering on-off signal T0 effective time during less than nominal time Tmin, logical process signal Tout effective time is taken as nominal time Tmin; When logical process signal Tout effective time lasts till nominal time Tmin, judged whether that power-assisted pole changer signal Tn effective time exists, described servo-steering on-off signal T0 effective time, Tn is interlude between the adjacent falling edge of servo-steering on-off signal and the positive rise, and described n is positive integer, when not having a servo-steering on-off signal effective time, Tn existed, finish; When power-assisted pole changer signal being arranged effective time, Tn existed, judge that whether servo-steering on-off signal Tn effective time is less than nominal time Tmin, as servo-steering on-off signal Tn effective time during less than nominal time Tmin, then logical process signal Tout effective time is taken as 2 * Tmin; As servo-steering on-off signal Tn effective time during greater than nominal time Tmin, then logical process signal Tout effective time is taken as Tmin+Tn; Described logical process signal Tout effective time is the low level time of logical process signal, is the time length that electric injection system control unit ECU regulates engine power;
(4) as servo-steering on-off signal T0 effective time during greater than nominal time Tmin, logical process signal Tout effective time is taken as servo-steering on-off signal T0 effective time;
(5) finish.
2. automobile hydraulic power-assisted steering switching signal processing method as claimed in claim 1, it is characterized in that: in described signal processing method, also set and demarcate Tdelay delay time, when the time gap Tsp between adjacent two sections logical process signal Tout effective time greater than demarcating delay time during Tdelay, the actual delay time T int between adjacent two sections logical process signal Tout effective time is taken as time gap Tsp; When the time gap Tsp between adjacent two sections logical process signal Tout effective time less than demarcating delay time during Tdelay, actual delay time T int is taken as and demarcates Tdelay delay time.
3. automobile hydraulic power-assisted steering switching signal processing method as claimed in claim 2, it is characterized in that: described demarcation Tdelay delay time is 50ms.
4. automobile hydraulic power-assisted steering switching signal processing method as claimed in claim 1, it is characterized in that: the initial time of described logical process signal Tout effective time is identical with the initial time of servo-steering on-off signal T0 effective time.
5. automobile hydraulic power-assisted steering switching signal processing method as claimed in claim 1, it is characterized in that: described nominal time Tmin is 100ms.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100072241A CN102085860B (en) | 2011-01-14 | 2011-01-14 | Automobile hydraulic power-assisted steering switching signal processing method |
| PCT/CN2011/075944 WO2012094870A1 (en) | 2011-01-14 | 2011-06-20 | Signal processing method for hydraulic power steering switch of vehicle |
| TR2012/04099T TR201204099T1 (en) | 2011-01-14 | 2011-06-20 | Method for processing the hydraulic power steering switch signal of the vehicle. |
| PE2012000698A PE20130573A1 (en) | 2011-01-14 | 2011-06-20 | PROCEDURE TO PROCESS A VEHICLE HYDRAULIC ASSISTED STEERING SWITCH SIGNAL |
| IL219918A IL219918A (en) | 2011-01-14 | 2012-05-21 | Method for processing hydraulic power steering switch signal of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100072241A CN102085860B (en) | 2011-01-14 | 2011-01-14 | Automobile hydraulic power-assisted steering switching signal processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102085860A CN102085860A (en) | 2011-06-08 |
| CN102085860B true CN102085860B (en) | 2013-04-03 |
Family
ID=44097916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100072241A Expired - Fee Related CN102085860B (en) | 2011-01-14 | 2011-01-14 | Automobile hydraulic power-assisted steering switching signal processing method |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN102085860B (en) |
| IL (1) | IL219918A (en) |
| PE (1) | PE20130573A1 (en) |
| TR (1) | TR201204099T1 (en) |
| WO (1) | WO2012094870A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085860B (en) * | 2011-01-14 | 2013-04-03 | 力帆实业(集团)股份有限公司 | Automobile hydraulic power-assisted steering switching signal processing method |
| US9046047B2 (en) * | 2013-03-11 | 2015-06-02 | Ford Global Technologies, Llc | Control for stop/start vehicle when approaching controlled intersections |
| CN112162500A (en) * | 2020-08-24 | 2021-01-01 | 东风电驱动***有限公司 | Switching signal processing method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011980A (en) * | 2007-02-26 | 2007-08-08 | 扬州扬子江柴油机配件厂 | Control device for motor-driven hydraulic power steering system |
| JP3995311B2 (en) * | 1997-09-01 | 2007-10-24 | 富士通テン株式会社 | Target recognition method in inter-vehicle distance control system |
| CN101269669A (en) * | 2007-03-19 | 2008-09-24 | 赵明翔 | Control method for electric power-assisted steering device with steering wheel corner computation and compensation |
| CN101382026A (en) * | 2008-10-17 | 2009-03-11 | 奇瑞汽车股份有限公司 | Control method for sliding door module for vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2892085B1 (en) * | 2005-10-19 | 2007-11-23 | Koyo Steering Europ Soc Par Ac | METHOD FOR DETERMINING IN REAL TIME THE HOLDING OF A DRIVING WHEEL OF AN ELECTRIC POWER STEERING OF A MOTOR VEHICLE |
| JP5067015B2 (en) * | 2007-05-23 | 2012-11-07 | 日本精工株式会社 | Electric power steering device |
| JP5401934B2 (en) * | 2008-06-16 | 2014-01-29 | 株式会社ジェイテクト | Electric power steering device |
| JP5402336B2 (en) * | 2009-07-10 | 2014-01-29 | 株式会社ジェイテクト | Motor control device and electric power steering device |
| CN102085860B (en) * | 2011-01-14 | 2013-04-03 | 力帆实业(集团)股份有限公司 | Automobile hydraulic power-assisted steering switching signal processing method |
-
2011
- 2011-01-14 CN CN2011100072241A patent/CN102085860B/en not_active Expired - Fee Related
- 2011-06-20 WO PCT/CN2011/075944 patent/WO2012094870A1/en active Application Filing
- 2011-06-20 TR TR2012/04099T patent/TR201204099T1/en unknown
- 2011-06-20 PE PE2012000698A patent/PE20130573A1/en active IP Right Grant
-
2012
- 2012-05-21 IL IL219918A patent/IL219918A/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3995311B2 (en) * | 1997-09-01 | 2007-10-24 | 富士通テン株式会社 | Target recognition method in inter-vehicle distance control system |
| CN101011980A (en) * | 2007-02-26 | 2007-08-08 | 扬州扬子江柴油机配件厂 | Control device for motor-driven hydraulic power steering system |
| CN101269669A (en) * | 2007-03-19 | 2008-09-24 | 赵明翔 | Control method for electric power-assisted steering device with steering wheel corner computation and compensation |
| CN101382026A (en) * | 2008-10-17 | 2009-03-11 | 奇瑞汽车股份有限公司 | Control method for sliding door module for vehicle |
Non-Patent Citations (4)
| Title |
|---|
| 液压助力转向***的仿真分析;高翔等;《江苏大学学报(自然科学版)》;20031130;第24卷(第6期);第34-38页 * |
| 王维冬.电动液压助力转向***用BLDCM工作原理及控制策略.《机械设计与制造》.2010,(第03期),第262-263页. |
| 电动液压助力转向***用BLDCM工作原理及控制策略;王维冬;《机械设计与制造》;20100331(第03期);第262-263页 * |
| 高翔等.液压助力转向***的仿真分析.《江苏大学学报(自然科学版)》.2003,第24卷(第6期),第34-38页. |
Also Published As
| Publication number | Publication date |
|---|---|
| PE20130573A1 (en) | 2013-04-27 |
| WO2012094870A1 (en) | 2012-07-19 |
| CN102085860A (en) | 2011-06-08 |
| TR201204099T1 (en) | 2012-11-21 |
| IL219918A0 (en) | 2012-07-31 |
| IL219918A (en) | 2015-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102085860B (en) | Automobile hydraulic power-assisted steering switching signal processing method | |
| KR100747303B1 (en) | A control system for fail safety of hybrid vehicle | |
| US20100332097A1 (en) | Method and system for estimating pressure in a motor vehicle | |
| WO2009021913A3 (en) | Method for shifting load points during hybrid operation in a parallel hybrid vehicle | |
| US20100149716A1 (en) | System and method for reducing quiescent power draw and machine using same | |
| CN105313896A (en) | Automobile gear management control method and device | |
| CN108501765B (en) | Gear shifting control method and device for electric automobile and vehicle | |
| CN103993967A (en) | Vehicle and quick acceleration control method and device for vehicle | |
| WO2014064521A3 (en) | Control device and control method for vehicle | |
| US10513199B2 (en) | Voltage drop compensation control system and method of power supply device | |
| CN102358235A (en) | Control method of prompt voice device used for pure electric vehicle | |
| CN104228819A (en) | System and method for controlling DCDC of automotive 48V system | |
| CN113442727B (en) | Method and system for preventing power interruption caused by power battery CAN communication loss and vehicle | |
| CN103032188A (en) | Control method and equipment for oil injection quantity in case of sudden increase of torque of engine | |
| JP6658761B2 (en) | Power supply control method for vehicle, power supply control device for vehicle | |
| CN109955895B (en) | Multi-mode steering control hydraulic system for special vehicle | |
| CN204309721U (en) | A kind of automotive engine sparking power supply switch circuit assembly | |
| CN102030034A (en) | Electric power steering assistance control method | |
| CN103527338B (en) | A kind of oil injection correction method and system | |
| KR102322294B1 (en) | Method for maintaining Idle Noise Improvability and Vehicle thereof | |
| CN108432109A (en) | The control device of DC/DC converters is controlled when having over-pressed or under-voltage in circuit | |
| CN103696859A (en) | Control method and system for automatic stop of engine on ramp | |
| CN101790629B (en) | Method for predicating temporary torque of internal combustion engine and vehicular electric network having the temporary torque | |
| KR20120063789A (en) | Control method of asist pump for automatic transmission of vehicle provided with isg system | |
| US20170167426A1 (en) | Method and system for controlling motor of fuel pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20210114 |