CN111852668B - Engine starting control method for hybrid all-terrain vehicle - Google Patents
Engine starting control method for hybrid all-terrain vehicle Download PDFInfo
- Publication number
- CN111852668B CN111852668B CN202010741103.9A CN202010741103A CN111852668B CN 111852668 B CN111852668 B CN 111852668B CN 202010741103 A CN202010741103 A CN 202010741103A CN 111852668 B CN111852668 B CN 111852668B
- Authority
- CN
- China
- Prior art keywords
- torque
- engine
- starting
- rotating speed
- water temperature
- 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.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/15—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with additional electric power supply
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention discloses a method for controlling the starting of an engine of a hybrid all-terrain vehicle, which solves the problems that the conventional range extender is difficult to start at low temperature and is unsmooth to start at normal temperature. Formulating an engine torque output rule according to the starting resistance characteristics of the engine at different temperatures; the starting process comprises the following steps: the torque increasing process comprises the following steps: the initial starting torque is the minimum torque, the starting torque is controlled to be the starting torque at the last moment and the torque increasing step length, and the starting torque is controlled to be the maximum torque until the starting torque is increased to be more than or equal to the maximum torque; the torque reducing process comprises the following steps: if the rotating speed of the engine is larger than the starting rotating speed, entering a torque reduction process, and enabling the starting torque to be the starting torque-torque reduction step length at the last moment; controlling the starting torque to be equal to the idle torque if the output torque is less than the minimum torque; if the rotating speed of the engine is lower than the maintaining rotating speed and the starting switch of the all-terrain vehicle is in an effective opening state, the engine is controlled to return to the torque increasing process, the torque is continuously increased, and the rotating speed is ensured to be higher than the maintaining rotating speed.
Description
Technical Field
The invention relates to the technical field of all-terrain vehicles, in particular to a method for controlling the starting of an engine of a hybrid all-terrain vehicle.
Background
At present, a hybrid power vehicle model adopting a range extender has not been adopted in all-terrain vehicles, the starting logic of the all-terrain vehicles adopting the hybrid power of the range extender is greatly different from that of common new energy vehicles on the market, the starting method of the existing range extender is mostly controlled by an engine starting rotating speed-torque meter, but the maximum torque of the engine starting is greatly different from that at the low temperature of minus 40 ℃, and the starting capability at the low temperature is insufficient or the starting mechanical impact at the normal temperature is obvious and unsmooth due to one set of data.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a method for controlling the starting of an engine of a hybrid all-terrain vehicle, fills the blank of the starting strategy of the hybrid all-terrain vehicle, and solves the problems of difficult starting at low temperature and unsmooth starting at normal temperature of the conventional range extender.
The purpose of the invention is realized as follows:
a method for controlling the starting of an engine of a hybrid all-terrain vehicle,
according to the starting resistance characteristics of the engine at different temperatures, an engine torque output rule is formulated: water temperature-maximum torque, water temperature-minimum torque, water temperature-idle torque, water temperature-torque reduction step torque, water temperature-starting rotation speed, water temperature-maintaining duration; establishing a torque increasing step length calibration quantity and maintaining a rotating speed calibration quantity;
the engine starting process includes:
the torque increasing process comprises the following steps:
the method comprises the steps that initial starting torque is the minimum torque, then a torque increasing process is started, the starting torque is controlled to be the starting torque at the last moment and the torque increasing step length in the torque increasing process, and the starting torque is controlled to be the maximum torque until the starting torque is increased to be larger than or equal to the maximum torque;
the torque reducing process comprises the following steps:
in the torque increasing process, if the rotating speed of the engine is greater than the starting rotating speed, entering a torque reducing process, wherein in the torque reducing process, the starting torque is the starting torque at the last moment-torque reducing step length; in the torque reducing process, if the output torque is less than the minimum torque, controlling the starting torque to be equal to the idle speed torque; in the torque reduction process, if the rotating speed of the engine is lower than the maintaining rotating speed and the starting switch of the all-terrain vehicle is in an effective opening state, controlling the engine to return to the torque increasing process, continuously increasing the torque and ensuring that the rotating speed is higher than the maintaining rotating speed;
judging whether the engine starts:
judging whether the engine is started successfully or not according to the engine state fed back by the engine controller, and controlling the starting torque to be 0 if the engine is started successfully to finish the starting of the engine; and if the starting fails and the engine starting signal is always effective, controlling the engine to return to the torque increasing process and restarting the engine.
Preferably, the engine torque output rules are tabulated as 6 tables: the system comprises a water temperature-maximum torque meter, a water temperature-minimum torque meter, a water temperature-idle torque meter, a water temperature-torque reduction step length meter, a water temperature-starting revolution meter and a water temperature-maintaining time length meter, wherein all the meters are obtained by screening optimal data through a rack test; the torque increase step length calibration quantity and the maintaining rotating speed calibration quantity are obtained through calibration.
Preferably, the torque-increasing step size scalar quantity is 3 n.m; the rotation speed calibration quantity is maintained at 650 rpm.
Preferably, the engine exception handling condition method comprises:
in the starting process, when the vehicle has a fault, the vehicle returns to the engine starting control state;
after the engine is started successfully, if the rotating speed of the engine is reduced to be below 300rpm or the working state reported by an engine ECU is not an operating state, judging that the engine is accidentally flamed out, and returning to an engine starting control state;
the vehicle control unit sets a protection threshold value, when the SOC is smaller than the protection threshold value, the driving motor is forbidden to work, and meanwhile, the instrument informs a driver to start the generator as soon as possible.
Preferably, when the vehicle is in a standby mode and has no fault, the vehicle control unit outputs a low-level signal to the engine flameout relay to complete low-voltage power supply to the engine.
Preferably, when the vehicle is in a P gear, the pure electric switch is not pressed, the temperature of the power battery is not less than or equal to-25 ℃, no fault exists, and the key switch is in a starting gear, the vehicle enters an engine starting mode, and the vehicle controller outputs a generator enabling signal through the CAN to send a torque mode instruction and enters an engine starting control state.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention fills the blank of the starting method of the all-terrain vehicle in the field of new energy; the method of limiting the starting torque according to the water temperature greatly solves the problems of difficult starting and unsmooth running caused by obvious difference of the starting resistance of the engine at low temperature.
Drawings
Fig. 1 is a startup flowchart.
Fig. 2 is a cranking torque control map.
Detailed Description
Referring to fig. 1 and 2, a method for controlling engine starting of a hybrid all-terrain vehicle having an engine, a generator, wherein a mechanical direct connection is formed between the engine and the generator; the engine is connected with an engine controller; the generator is connected with the motor controller through a three-phase line, and a bus of the motor controller is connected with a direct-current bus of the power battery through a high-voltage relay box; the engine controller, the motor controller and the power battery low-voltage power supply are all controlled by the vehicle control unit through a low-voltage relay box, and are communicated with the vehicle control unit through a CAN bus; the vehicle-mounted controller further comprises a gear switch, a pure electric switch and a key switch (starting switch), wherein the gear switch, the pure electric switch and the key switch are connected with the vehicle controller through a low-voltage wire harness.
The engine controller controls the torque output of the engine according to the accelerator opening demand issued by the vehicle control unit, and reports the engine speed, torque, temperature, working state and fault level to the vehicle control unit; the motor controller is responsible for receiving the enabling and torque or rotating speed requirements of the generator issued by the vehicle control unit, controlling the torque or rotating speed output of the generator, and reporting the rotating speed, torque, temperature, working state and fault information of the motor to the vehicle control unit; the power battery is used for receiving power battery enable issued by the vehicle control unit; and controlling the high-voltage output of the power battery pack, and reporting the battery voltage, current, temperature, SOC and fault information to the whole vehicle controller.
The vehicle control unit collects the following signals:
a key switch signal, a gear switch signal and a pure electric switch signal; engine water temperature, engine speed, engine status signal; motor speed, motor torque signals; power battery temperature, SOC signal;
the vehicle control unit is responsible for controlling the following states:
controlling the working states of a power battery relay, a motor controller relay and an engine ECU flameout relay in a low-voltage relay box; controlling the working states of a pre-charging relay and a positive relay in a high-voltage relay box; controlling power cell enable; controlling the enabling and torque requirements of the generator; the throttle opening of the engine is controlled.
The vehicle is started by controlling the generator to work in a torque mode after high-voltage electrification is finished, outputting large torque according to temperature-torque characteristics, converting electric energy output by a power battery into mechanical energy to drive the engine to start instantly, and cooperatively controlling the generator to generate power in a rotating speed mode and an engine torque mode according to a calculated required power requirement after the vehicle is started, wherein the method comprises the following control logics:
when the whole vehicle is in a standby mode and has no primary fault, the whole vehicle controller outputs a low-level signal to the engine flameout relay to complete low-voltage power supply to the engine;
when the P gear and the pure electric switch are not pressed, the temperature of a power battery is more than or equal to-25 ℃, no one, two or three-stage fault exists, and the key switch is in a starting gear, the starting mode is entered, and the whole vehicle controller outputs a generator enabling signal and a torque mode instruction through the CAN;
when the vehicle is in a starting state, the whole vehicle controller increases the torque of the generator all the time to drive the engine to rotate, when the rotating speed of the engine exceeds a certain value, the generator reduces the torque again, and in this way, after the engine is in a running state, the torque of the generator is cancelled by delaying a certain time, and the starting process is finished;
the specific torque setting method is as follows:
according to the starting resistance characteristics of the engine at different temperatures, 6 tables are prepared, and 2 are calibrated: a water temperature-maximum torque meter, a water temperature-minimum torque meter, a water temperature-idle torque meter, a water temperature-torque reduction step length meter, a water temperature-starting revolution meter and a water temperature-maintaining time length meter; making a torque increasing step length calibration quantity and maintaining a rotating speed calibration quantity,
| engine water temperature (DEG C) | -50 | -41 | -35 | -30 | -20 | -10 | 0 | 25 | 100 | 205 |
| Maximum torque (N.m) | 110 | 110 | 85 | 80 | 65 | 50 | 50 | 50 | 50 | 50 |
| Engine water temperature (DEG C) | -50 | -41 | -35 | -30 | -20 | -10 | 0 | 25 | 100 | 205 |
| Minimum torque (N.m) | 50 | 50 | 20 | 20 | 15 | 15 | 15 | 5 | 0 | 0 |
| Engine water temperature (DEG C) | -50 | -41 | -35 | -30 | -20 | -10 | 0 | 25 | 100 | 205 |
| Idle torque (N.m) | 50 | 50 | 35 | 20 | 20 | 15 | 15 | 5 | 0 | 0 |
| Engine water temperature (DEG C) | -50 | -41 | -35 | -30 | -20 | -10 | 0 | 25 | 100 | 205 |
| Torque reducing step length (N.m) | 4 | 4 | 5 | 8 | 10 | 10 | 20 | 30 | 30 | 30 |
The step length scaling quantity of the torque increase is 3 N.m; maintaining the rotation speed standard quantity at 650 rpm;
the above-mentioned table and calibration quantity are obtained by means of calibration and bench test to screen optimum data, and its starting step is as follows,
1. starting torque is the starting torque at the last moment plus the torque increasing step length;
2. when the starting torque is larger than the maximum starting torque limit, the starting torque is equal to the maximum starting torque limit;
3. when the rotating speed of the engine is larger than the starting rotating speed, the starting torque is equal to the starting torque-torque reduction step length at the last moment;
4. during torque reduction, if the output torque is less than the minimum limit, the starting torque is equal to the idle torque;
5. in the torque reducing process, if the rotating speed of the engine is lower than the maintaining rotating speed and the starting switch is in an effective state, returning to the step 1, continuously increasing the torque and ensuring that the rotating speed is higher than the maintaining rotating speed;
6. according to the engine state fed back by the engine controller, when the engine is successfully started and maintained for a period of time (determined according to the engine type, several seconds to several minutes), judging that the engine is successfully started, and if the engine is not successfully started and the starting signal is effective all the time (a starting switch is started and works normally), returning to the step 1;
7. after the launch is successful, the launch torque is set to 0.
Exception handling conditions:
when the vehicle has the first, second and third-level faults in the starting process, the vehicle returns to the engine starting control state;
after the engine is successfully started, if the rotating speed of the engine drops below 300rpm or the working state reported by an engine ECU is not the running state, the engine is judged to be unexpectedly flameout, the engine returns to the engine starting control state,
in order to avoid the situation that the SOC is too low to enable the generator to drag the engine to start in pure electric driving, the vehicle control unit sets a protection threshold value, the driving motor is forbidden to work when the SOC is less than 8%, and meanwhile, a driver is informed of starting the generator as soon as possible through an instrument.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (6)
1. An engine start control method for a hybrid all-terrain vehicle, characterized by:
according to the starting resistance characteristics of the engine at different temperatures, an engine torque output rule is formulated: water temperature-maximum torque, water temperature-minimum torque, water temperature-idle torque, water temperature-torque reduction step torque, water temperature-starting rotation speed, water temperature-maintaining duration; establishing a torque increasing step length calibration quantity and maintaining a rotating speed calibration quantity;
the engine starting process includes:
the torque increasing process comprises the following steps:
the method comprises the steps that initial starting torque is the minimum torque, then a torque increasing process is started, the starting torque is controlled to be the starting torque at the last moment and the torque increasing step length in the torque increasing process, and the starting torque is controlled to be the maximum torque until the starting torque is increased to be larger than or equal to the maximum torque;
the torque reducing process comprises the following steps:
in the torque increasing process, if the rotating speed of the engine is greater than the starting rotating speed, entering a torque reducing process, wherein in the torque reducing process, the starting torque is the starting torque at the last moment-torque reducing step length; controlling the starting torque to be equal to the idle torque if the output torque is less than the minimum torque in the torque reducing process; in the torque reduction process, if the rotating speed of the engine is lower than the maintaining rotating speed and the starting switch of the all-terrain vehicle is in an effective opening state, controlling the engine to return to the torque increasing process, continuously increasing the torque and ensuring that the rotating speed is higher than the maintaining rotating speed;
judging whether the engine starts:
judging whether the engine is started successfully or not according to the engine state fed back by the engine controller, and controlling the starting torque to be 0 if the engine is started successfully to finish the starting of the engine; and if the starting fails and the engine starting signal is always effective, controlling the engine to return to the torque increasing process and restarting the engine.
2. The method of claim 1 wherein the engine start control for a hybrid all-terrain vehicle is characterized by: the engine torque output rules were made into 6 tables: the system comprises a water temperature-maximum torque meter, a water temperature-minimum torque meter, a water temperature-idle torque meter, a water temperature-torque reduction step length meter, a water temperature-starting revolution meter and a water temperature-maintaining time length meter, wherein all the meters are obtained by screening optimal data through a rack test; the torque increase step length calibration quantity and the maintaining rotating speed calibration quantity are obtained through calibration.
3. The hybrid all-terrain vehicle engine start control method of claim 1, characterized in that: the step length scaling quantity of the torque increase is 3 N.m; the rotation speed calibration quantity is maintained at 650 rpm.
4. The hybrid all-terrain vehicle engine start control method of claim 1, characterized in that: the engine exception handling condition method comprises the following steps:
in the starting process, when the vehicle has a fault, the vehicle returns to the engine starting control state;
after the engine is started successfully, if the rotating speed of the engine is reduced below 300rpm or the working state reported by an engine ECU is not an operating state, judging that the engine is accidentally flamed out, and returning to an engine starting control state;
the vehicle control unit sets a protection threshold value, when the SOC is smaller than the protection threshold value, the driving motor is forbidden to work, and meanwhile, the instrument informs a driver to start the generator as soon as possible.
5. The hybrid all-terrain vehicle engine start control method of claim 1, characterized in that: when the vehicle is in a standby mode and has no fault, the vehicle control unit outputs a low level signal to the engine flameout relay to complete low-voltage power supply to the engine.
6. The hybrid all-terrain vehicle engine start control method of claim 1, characterized in that: when the vehicle is in a P gear, the pure electric switch is not pressed, the temperature of the power battery is more than or equal to-25 ℃, no fault exists, and the key switch is in a starting gear, the vehicle enters an engine starting mode, and the vehicle controller outputs a generator enabling signal through the CAN to send a torque mode instruction and enters an engine starting control state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010741103.9A CN111852668B (en) | 2020-07-29 | 2020-07-29 | Engine starting control method for hybrid all-terrain vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010741103.9A CN111852668B (en) | 2020-07-29 | 2020-07-29 | Engine starting control method for hybrid all-terrain vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111852668A CN111852668A (en) | 2020-10-30 |
| CN111852668B true CN111852668B (en) | 2022-08-02 |
Family
ID=72948241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010741103.9A Active CN111852668B (en) | 2020-07-29 | 2020-07-29 | Engine starting control method for hybrid all-terrain vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111852668B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523863B (en) * | 2020-11-18 | 2022-04-05 | 中国航空工业集团公司西安航空计算技术研究所 | Electric control engine cycle monitoring method based on combination of long meters and short meters |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008195211A (en) * | 2007-02-13 | 2008-08-28 | Toyota Motor Corp | Vehicle and control method thereof |
| JP2009214641A (en) * | 2008-03-10 | 2009-09-24 | Nissan Motor Co Ltd | Control device for hybrid car |
| CN102897170A (en) * | 2012-11-09 | 2013-01-30 | 苏州海格新能源汽车电控系统科技有限公司 | Method for controlling auxiliary power unit of range increasing type electric vehicle |
| CN103213581A (en) * | 2013-04-24 | 2013-07-24 | 奇瑞汽车股份有限公司 | Extended-range electric vehicle engine heating control method |
| CN103391869A (en) * | 2011-01-12 | 2013-11-13 | 丰田自动车株式会社 | Hybrid vehicle control apparatus |
| CN103863300A (en) * | 2012-12-07 | 2014-06-18 | 北汽福田汽车股份有限公司 | Control method of extended range type electric vehicle |
| CN105971745A (en) * | 2016-06-15 | 2016-09-28 | 北京新能源汽车股份有限公司 | Range-extended electric automobile and engine warm-up control method and device thereof |
| CN106274517A (en) * | 2016-09-05 | 2017-01-04 | 北京新能源汽车股份有限公司 | Torque control method and system in starting process of range extender and electric automobile |
| CN106274464A (en) * | 2015-05-29 | 2017-01-04 | 上海汽车集团股份有限公司 | The double-motor power system of pure electric vehicle and control method |
| KR101776516B1 (en) * | 2016-07-22 | 2017-09-07 | 현대자동차주식회사 | Torque control method of hybrid starter generator |
| CN210770099U (en) * | 2019-10-25 | 2020-06-16 | 重庆嘉陵全域机动车辆有限公司 | Rear differential control system for all-terrain vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8364381B2 (en) * | 2009-08-21 | 2013-01-29 | GM Global Technology Operations LLC | Control system and method for idle speed control torque reserve reduction |
-
2020
- 2020-07-29 CN CN202010741103.9A patent/CN111852668B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008195211A (en) * | 2007-02-13 | 2008-08-28 | Toyota Motor Corp | Vehicle and control method thereof |
| JP2009214641A (en) * | 2008-03-10 | 2009-09-24 | Nissan Motor Co Ltd | Control device for hybrid car |
| CN103391869A (en) * | 2011-01-12 | 2013-11-13 | 丰田自动车株式会社 | Hybrid vehicle control apparatus |
| CN102897170A (en) * | 2012-11-09 | 2013-01-30 | 苏州海格新能源汽车电控系统科技有限公司 | Method for controlling auxiliary power unit of range increasing type electric vehicle |
| CN103863300A (en) * | 2012-12-07 | 2014-06-18 | 北汽福田汽车股份有限公司 | Control method of extended range type electric vehicle |
| CN103213581A (en) * | 2013-04-24 | 2013-07-24 | 奇瑞汽车股份有限公司 | Extended-range electric vehicle engine heating control method |
| CN106274464A (en) * | 2015-05-29 | 2017-01-04 | 上海汽车集团股份有限公司 | The double-motor power system of pure electric vehicle and control method |
| CN105971745A (en) * | 2016-06-15 | 2016-09-28 | 北京新能源汽车股份有限公司 | Range-extended electric automobile and engine warm-up control method and device thereof |
| KR101776516B1 (en) * | 2016-07-22 | 2017-09-07 | 현대자동차주식회사 | Torque control method of hybrid starter generator |
| CN106274517A (en) * | 2016-09-05 | 2017-01-04 | 北京新能源汽车股份有限公司 | Torque control method and system in starting process of range extender and electric automobile |
| CN210770099U (en) * | 2019-10-25 | 2020-06-16 | 重庆嘉陵全域机动车辆有限公司 | Rear differential control system for all-terrain vehicle |
Non-Patent Citations (4)
| Title |
|---|
| P2混合动力离合器辅助发动机起动控制方法研究;赵彬等;《汽车技术》;20181211(第12期);全文 * |
| 增程式电动汽车控制策略的优化研究;贺俊杰等;《计算机工程与应用》;20140421(第24期);全文 * |
| 对交流传动电力机车开展低温整车试验的探索;李杰波等;《铁道技术监督》;20150115(第01期);全文 * |
| 混合动力汽车发动机电机拖动策略和起动性能的研究;李理光等;《汽车工程》;20160225(第02期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111852668A (en) | 2020-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108545076B (en) | Vehicle control method and device based on BSG motor | |
| CN107176160B (en) | System and method for powering start-stop and hybrid vehicle components and accessories | |
| US7267191B2 (en) | System and method for battery protection strategy for hybrid electric vehicles | |
| US7107956B2 (en) | Vehicle and method for controlling engine start in a vehicle | |
| US9776635B2 (en) | Apparatus and method to maximize vehicle functionality and fuel economy with improved drivability during engine auto stop-start operations | |
| CN110962835B (en) | Energy management control method for extended range electric automobile | |
| WO2024017149A1 (en) | Engine start control method and apparatus for hybrid vehicle, vehicle, and medium | |
| JP3225901B2 (en) | Battery charge detection device | |
| CN111852668B (en) | Engine starting control method for hybrid all-terrain vehicle | |
| CN112455424B (en) | Climbing condition identification method for hybrid electric vehicle | |
| CN108973831B (en) | External power supply system and method for mobile charging vehicle | |
| CN109519287A (en) | A kind of Eng ine Idling Control method, system and vehicle | |
| CN114269617B (en) | Hybrid power vehicle and control method and system thereof after battery failure | |
| CN109835324B (en) | Method for identifying abnormal flameout of engine of series-parallel plug-in hybrid electric vehicle | |
| CN104092365A (en) | Enabling control method of direct-current high-voltage and low-voltage converter and voltage outputting control method | |
| CN113246960B (en) | Engine cold start method, automobile and computer readable storage medium | |
| CN115370499B (en) | Method and system for controlling starting of engine of hybrid electric vehicle, electronic equipment and vehicle | |
| CN102869527A (en) | Method of monitoring the level of charge of an additional energy storage facility of a micro-hybrid propulsion vehicle, and system using the method | |
| CN112977407B (en) | Automobile hybrid control method and device | |
| CN113561958B (en) | Dynamic response diagnosis method and system for rear oxygen sensor of hybrid electric vehicle | |
| JP4325610B2 (en) | Drive device for hybrid vehicle | |
| CN115285105B (en) | Hybrid electric vehicle power consumption control method, device, equipment and storage medium | |
| CN115771500B (en) | Control method for judging starting condition of engine of hybrid power system | |
| JP7484562B2 (en) | Hybrid vehicle control device | |
| CN109986974A (en) | The temperature condition that a kind of electric car electricity drives energy regenerating judges algorithm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |