CN106080267A - A kind of electric automobile torque referee method - Google Patents
A kind of electric automobile torque referee method Download PDFInfo
- Publication number
- CN106080267A CN106080267A CN201610645060.8A CN201610645060A CN106080267A CN 106080267 A CN106080267 A CN 106080267A CN 201610645060 A CN201610645060 A CN 201610645060A CN 106080267 A CN106080267 A CN 106080267A
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- Prior art keywords
- motor
- factor
- igbt
- temperature
- temp
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- 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
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a kind of electric automobile torque referee method; first pass through microprocessor and gather IGBT temperature igbt_temp; substrate temperature base_temp; motor temperature motor_temp; obtain igbt_factor, base_factor, motor_factor the most respectively and take its maximum and save as temperature fall torsion coefficient temp_factor; then limited by peak power and obtain maximum allowable requested torque; ensure that temperature sensing and voltage acquisition torque setting under normal circumstances; and when sensor fault, by nominal torque, motor is protected.
Description
Technical field
The present invention relates to new forms of energy car technical field, particularly a kind of electric automobile torque referee method.
Background technology
For meeting electric powered motor and economy, entire car controller generally requires sufficiently large moment of torsion, but drives electricity
The output of machine moment of torsion receives power of motor, electric machine controller capacity, electric machine controller temperature, the impact of motor temperature etc., in order to
Prevent drive system output excessive torque from damaging.Prior art there is presently no a kind of effective control electric automobile torque
Output intent.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of electric automobile torque referee method, it is characterised in that bag
Include following steps:
S1: gather IGBT temperature igbt_temp, substrate temperature base_temp, motor temperature motor_ by microprocessor
temp；
S2: the fall torsion origin temp defining described IGBT temperature is igbt_warn, and it is max_igbt_ that maximum fall turns round coefficient
Factor, controller quits work temperature igbt_off, gathers current IGBT temperature and calculates fall and turn round coefficient igbt_factor=
max_igbt_factor×(igbt_temp-igbt_warn)÷(igbt_off-igbt_warn)；
S3: the fall torsion origin temp defining described substrate temperature is base_warn, and maximum fall turns round Coefficient m ax_base_
Factor, controller quits work temperature base_off, gathers front substrate temperature computation fall and turns round coefficient base_factor=
max_base_factor×(base_temp-base_warn)÷(base_off-base_warn)；
S4: the fall torsion origin temp defining described motor temperature is motor_warn, and it is max_ that maximum fall turns round coefficient
Motor_factor, controller quits work temperature motor_off, gathers current motor temperature computation fall and turns round Coefficient m otor_
Factor=max_motor_factor × (motor_temp-motor_warn) ÷ (motor_off-motor_warn)；
S5: compare igbt_factor, base_factor, the motor_factor calculated in S2, S3, S4 and take its maximum
Value also saves as temperature fall torsion coefficient temp_factor；
S6: obtain the torque T 1=T* × temp_factor after temperature fall is turned round；
S7: defining the current rotating speed of controlled motor is speed, according to formula P=T1 × speed ÷ 9550, calculates real-time merit
Rate P, arranging the torque T 1 after temperature fall is turned round more than motor when peak power max_p that P allows is maximum allowable requested torque
max_T*；
S8: the controller minimum permission voltage of work is min_volt, judges that electrokinetic cell voltage is whether volt is less than
Min_volt, then arranging torque T if less than min_volt is that 0 otherwise to arrange torque T be T1；
S9: judge that temperature sensor and voltage acquisition are the most faulty, as faulty, arranging torque T is nominal torque
normal_T；
S10: compare the torque T in S8, S9 and take minima as final output.
The present invention possesses following beneficial effect:
The electric automobile torque referee method first-selection that the present invention provides obtains the moment of torsion after temperature fall is turned round, then by maximum
Power Limitation obtains maximum allowable requested torque, it is ensured that temperature sensing and voltage acquisition torque setting under normal circumstances, and
And when sensor fault, by nominal torque, motor is protected.
Certainly, the arbitrary product implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Accompanying drawing explanation
The electric automobile torque referee method schematic diagram that Fig. 1 provides for the embodiment of the present invention.
Specific embodiment
As it is shown in figure 1, embodiments provide a kind of electric automobile torque referee method, it comprises the following steps:
S1: gather IGBT temperature igbt_temp, substrate temperature base_temp, motor temperature motor_ by microprocessor
temp；
S2: the fall torsion origin temp defining described IGBT temperature is igbt_warn, and it is max_igbt_ that maximum fall turns round coefficient
Factor, controller quits work temperature igbt_off, gathers current IGBT temperature and calculates fall and turn round coefficient igbt_factor=
max_igbt_factor×(igbt_temp-igbt_warn)÷(igbt_off-igbt_warn)；
S3: the fall torsion origin temp defining described substrate temperature is base_warn, and maximum fall turns round Coefficient m ax_base_
Factor, controller quits work temperature base_off, gathers front substrate temperature computation fall and turns round coefficient base_factor=
max_base_factor×(base_temp-base_warn)÷(base_off-base_warn)；
S4: the fall torsion origin temp defining described motor temperature is motor_warn, and it is max_ that maximum fall turns round coefficient
Motor_factor, controller quits work temperature motor_off, gathers current motor temperature computation fall and turns round Coefficient m otor_
Factor=max_motor_factor × (motor_temp-motor_warn) ÷ (motor_off-motor_warn)；
S5: compare igbt_factor, base_factor, the motor_factor calculated in S2, S3, S4 and take its maximum
Value also saves as temperature fall torsion coefficient temp_factor；
S6: obtain the torque T 1=T* × temp_factor after temperature fall is turned round；
S7: defining the current rotating speed of controlled motor is speed, according to formula P=T1 × speed ÷ 9550, calculates real-time merit
Rate P, arranging the torque T 1 after temperature fall is turned round more than motor when peak power max_p that P allows is maximum allowable requested torque
max_T*；
S8: the controller minimum permission voltage of work is min_volt, judges that electrokinetic cell voltage is whether volt is less than
Min_volt, then arranging torque T if less than min_volt is that 0 otherwise to arrange torque T be T1；
S9: judge that temperature sensor and voltage acquisition are the most faulty, as faulty, arranging torque T is nominal torque
normal_T；
S10: compare the torque T in S8, S9 and take minima as final output.
The vulgar electric automobile torque referee method first-selection that the present invention provides obtains the moment of torsion after temperature fall is turned round, and then passes through
Peak power limits and obtains maximum allowable requested torque, it is ensured that temperature sensing and voltage acquisition moment of torsion under normal circumstances sets
Fixed, and when sensor fault, by nominal torque, motor is protected.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.Preferred embodiment is the most detailed
Describe all of details, be also not intended to the detailed description of the invention that this invention is only described.Obviously, according to the content of this specification,
Can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is to preferably explain the present invention
Principle and actual application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and four corner thereof and equivalent.
Claims (1)
1. an electric automobile torque referee method, it is characterised in that comprise the following steps:
S1: gather IGBT temperature igbt_temp, substrate temperature base_temp, motor temperature motor_ by microprocessor
temp；
S2: the fall torsion origin temp defining described IGBT temperature is igbt_warn, and it is max_igbt_ that maximum fall turns round coefficient
Factor, controller quits work temperature igbt_off, gathers current IGBT temperature and calculates fall and turn round coefficient igbt_factor=
max_igbt_factor×(igbt_temp-igbt_warn)÷(igbt_off-igbt_warn)；
S3: the fall torsion origin temp defining described substrate temperature is base_warn, and maximum fall turns round Coefficient m ax_base_factor,
Controller quits work temperature base_off, gathers front substrate temperature computation fall and turns round coefficient base_factor=max_base_
factor×(base_temp-base_warn)÷(base_off-base_warn)；
S4: the fall torsion origin temp defining described motor temperature is motor_warn, and it is max_motor_ that maximum fall turns round coefficient
Factor, controller quits work temperature motor_off, gathers current motor temperature computation fall and turns round Coefficient m otor_factor=
max_motor_factor×(motor_temp-motor_warn)÷(motor_off-motor_warn)；
S5: compare igbt_factor, base_factor, the motor_factor calculated in S2, S3, S4 and take its maximum also
Save as temperature fall and turn round coefficient temp_factor；
S6: obtain the torque T 1=T* × temp_factor after temperature fall is turned round；
S7: defining the current rotating speed of controlled motor is speed, according to formula P=T1 × speed ÷ 9550, calculates realtime power P,
Arranging the torque T 1 after temperature fall is turned round more than motor when peak power max_p that P allows is maximum allowable requested torque max_
T*；
S8: the controller minimum permission voltage of work is min_volt, judges that electrokinetic cell voltage is whether volt is less than min_
Volt, then arranging torque T if less than min_volt is that 0 otherwise to arrange torque T be T1；
S9: judge that temperature sensor and voltage acquisition are the most faulty, as faulty, arranging torque T is nominal torque
normal_T；
S10: compare the torque T in S8, S9 and take minima as final output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610645060.8A CN106080267B (en) | 2016-08-08 | 2016-08-08 | A kind of electric automobile torque referee method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610645060.8A CN106080267B (en) | 2016-08-08 | 2016-08-08 | A kind of electric automobile torque referee method |
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| Publication Number | Publication Date |
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| CN106080267A true CN106080267A (en) | 2016-11-09 |
| CN106080267B CN106080267B (en) | 2018-05-15 |
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| CN201610645060.8A Active CN106080267B (en) | 2016-08-08 | 2016-08-08 | A kind of electric automobile torque referee method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128211A (en) * | 2016-12-01 | 2018-06-08 | 上海汽车集团股份有限公司 | New-energy automobile and its Motor torque determine method, apparatus and motor |
| CN111478646A (en) * | 2020-04-28 | 2020-07-31 | 重庆长安新能源汽车科技有限公司 | Temperature protection method and system for electric vehicle motor system, electric vehicle and storage medium |
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| CN101450629A (en) * | 2007-11-02 | 2009-06-10 | 通用汽车环球科技运作公司 | Association of torque requesting modules in a coordinated torque architecture |
| CN102195556A (en) * | 2010-03-01 | 2011-09-21 | 通用汽车环球科技运作有限责任公司 | System and method for managing torque capability in electric motor system |
| CN102756667A (en) * | 2011-04-26 | 2012-10-31 | 长春易控汽车电子有限公司 | Torque control method of electric vehicle |
| CN103625306A (en) * | 2012-08-20 | 2014-03-12 | 北汽福田汽车股份有限公司 | Torque monitoring system of electric vehicle |
| CN103935264A (en) * | 2014-04-29 | 2014-07-23 | 大连理工大学 | Method for calculating torque required by electric automobile driver |
| CN105059136A (en) * | 2015-09-18 | 2015-11-18 | 重庆长安汽车股份有限公司 | Processing method and device for vehicle control data and controller |
| US20160009184A1 (en) * | 2014-07-14 | 2016-01-14 | Hyundai Motor Company | Apparatus and method for alleviating voltage drop of battery cell |
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2016
- 2016-08-08 CN CN201610645060.8A patent/CN106080267B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101450629A (en) * | 2007-11-02 | 2009-06-10 | 通用汽车环球科技运作公司 | Association of torque requesting modules in a coordinated torque architecture |
| CN102195556A (en) * | 2010-03-01 | 2011-09-21 | 通用汽车环球科技运作有限责任公司 | System and method for managing torque capability in electric motor system |
| CN102756667A (en) * | 2011-04-26 | 2012-10-31 | 长春易控汽车电子有限公司 | Torque control method of electric vehicle |
| CN103625306A (en) * | 2012-08-20 | 2014-03-12 | 北汽福田汽车股份有限公司 | Torque monitoring system of electric vehicle |
| CN103935264A (en) * | 2014-04-29 | 2014-07-23 | 大连理工大学 | Method for calculating torque required by electric automobile driver |
| US20160009184A1 (en) * | 2014-07-14 | 2016-01-14 | Hyundai Motor Company | Apparatus and method for alleviating voltage drop of battery cell |
| CN105059136A (en) * | 2015-09-18 | 2015-11-18 | 重庆长安汽车股份有限公司 | Processing method and device for vehicle control data and controller |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128211A (en) * | 2016-12-01 | 2018-06-08 | 上海汽车集团股份有限公司 | New-energy automobile and its Motor torque determine method, apparatus and motor |
| CN111478646A (en) * | 2020-04-28 | 2020-07-31 | 重庆长安新能源汽车科技有限公司 | Temperature protection method and system for electric vehicle motor system, electric vehicle and storage medium |
| CN111478646B (en) * | 2020-04-28 | 2023-04-14 | 重庆长安新能源汽车科技有限公司 | Temperature protection method and system for motor system of electric vehicle, electric vehicle and storage medium |
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| CN106080267B (en) | 2018-05-15 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Chuanfu Inventor after: Li Yanhui Inventor before: Zhang Hongkai Inventor before: Li Yang |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180410 Address after: 200120 Shanghai city Pudong New Area Lianxi Road No. 1210 building 101 room 2 Applicant after: Shanghai from the Cci Capital Ltd. Address before: 230000 Anhui Province, Hefei City Economic and Technological Development Zone prosperous Avenue North, Furong Road East Building 1, room 207, noble Mansion Applicant before: HEFEI TAIHAOLE ELECTRONIC TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20191106 Address after: 271100 new material industrial park, Yangzhuang Town, Laiwu nonggao District, Jinan City, Shandong Province Patentee after: Shandong HaoChi Intelligent Automobile Co.,Ltd. Address before: Room 101, Building 2, No. 1210 Lianxi Road, Pudong New Area, Shanghai Patentee before: Shanghai from the Cci Capital Ltd. |
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Effective date of registration: 20230420 Address after: 271100 new material industrial park, Yangzhuang Town, Laiwu District, Jinan City, Shandong Province Patentee after: Haochi Express Automotive Technology (Shandong) Co.,Ltd. Address before: 271100 new material industrial park, Yangzhuang Town, Laiwu nonggao District, Jinan City, Shandong Province Patentee before: Shandong HaoChi Intelligent Automobile Co.,Ltd. |
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Effective date of registration: 20230523 Address after: Shop 133, Building 26, Shuicheng Community, No. 47 Beiguan Road, Penglaige Street, Penglai District, Yantai City, Shandong Province, 265600 Patentee after: Yidian Inspiration Automotive Technology (Shandong) Co.,Ltd. Address before: 271100 new material industrial park, Yangzhuang Town, Laiwu District, Jinan City, Shandong Province Patentee before: Haochi Express Automotive Technology (Shandong) Co.,Ltd. |
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