CN102874249A - Electric motor control device used for hybrid power - Google Patents
Electric motor control device used for hybrid power Download PDFInfo
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- CN102874249A CN102874249A CN2012104193998A CN201210419399A CN102874249A CN 102874249 A CN102874249 A CN 102874249A CN 2012104193998 A CN2012104193998 A CN 2012104193998A CN 201210419399 A CN201210419399 A CN 201210419399A CN 102874249 A CN102874249 A CN 102874249A
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- 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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Abstract
The embodiment discloses an electric motor control device used for hybrid power. The electric motor control device comprises a signal acquiring unit, a processing unit and an electric motor control unit; and the signal acquiring unit comprises an electric motor position sensor state signal acquiring component for acquiring a state signal of an electric motor position sensor, a clutch state signal acquiring component for acquiring the state signal of a clutch, an electric motor state signal acquiring component for acquiring a state signal of an electric motor, a processing unit for taking the state signals acquired by the signal acquiring unit as parameters and generating control commands through an operation module, and an electric motor control unit for controlling the electric motor according to the control commands. According to the embodiment, when the electric motor position sensor is abnormal, the electric motor further can be efficiently controlled so that potential safety hazards of traffic accidents caused by quick reduction of the speed are avoided; moreover, personal injuries on passengers caused by unnecessary quick reduction of the vehicular speed can be efficiently avoided.
Description
Technical field
The present invention relates to automobile manufacturing field, relate in particular to a kind of motor control assembly for hybrid power.
Background technology
Hybrid power refers to oil electric mixed dynamic, namely simultaneously comes to provide power for equipment such as automobiles as propulsion source by fuel and electric energy.
Adopt the automobile of hybrid power, under the cooperation of fuel power and motor power, fuel economy can be effectively improved, and rideability is superior.Such as, when hybrid vehicle starts and accelerate, can effectively reduce oil consumption by the power-assisted that provides by motor; And, because the power-assisted of motor being arranged, can also make the startup of automobile and accelerate more high speed, thereby improve the tractive performance of automobile.
But, in the motor driven systems of hybrid power, sensor is than the parts that are easier to et out of order, these than the sensor that is easier to et out of order in, include for the rotor-position that gathers motor and the motor position sensor of rotating speed, its image data is used for the operative condition of control motor, so the damage of motor position sensor makes the motor get out of hand possibly.
In the prior art, when the motor position sensor fault of hybrid vehicle, the general coping style that adopts is for forcing outage that motor is shut down to motor; Thereby avoid the out of control of automobile.But this mode of the prior art has obvious defective, such as, owing to might when the motor high-speed operation, cut off the power supply, so can cause larger infringement to motor, affect the service life of motor.In addition, because after motor outage, automobile probably will run out of steam, thus reduction of speed rapidly, like this with regard to the potential safety hazard of traffic accident probably.
Summary of the invention
In view of this, the purpose of the embodiment of the invention is to provide a kind of motor control assembly for hybrid power, preventing when motor position sensor is unusual, and the simple problem that motor outage meeting is caused larger damage to motor.
For achieving the above object, the embodiment of the invention provides following technical scheme:
A kind of motor control assembly for hybrid control device comprises: signal acquiring unit, processing unit and motor control unit;
Described signal acquiring unit comprises:
Motor position sensor status signal securing component is for the status signal that obtains motor position sensor;
Clutch state signal acquisition assembly is for the status signal that obtains power-transfer clutch;
Motor status signal acquisition assembly, be used for obtaining the status signal of motor;
Processing unit as parameter, generates control command by computing module for each status signal that is obtained take described signal acquiring unit; Described control command comprises slow stop reduction of speed order, free reduction of speed order and locking order;
Motor control unit is used for the operation according to described control command control motor.
Preferably, in embodiments of the present invention, described computing module is used for:
When the status signal of described motor position sensor be the status signal of unusual and described power-transfer clutch when closing:
When the status signal of described motor is set speed per hour for being higher than, generate the slow reduction of speed order that stops;
When the status signal of described motor is set speed per hour for being lower than, generate free reduction of speed order;
When the status signal of described motor when being urgent, generate the locking order.
Preferably, in embodiments of the present invention, clutch state signal acquisition assembly comprises:
The primary importance sensor.
Preferably, in embodiments of the present invention, described signal acquiring unit also comprises change speed gear box status signal securing component, is used for obtaining the status signal of change speed gear box; Described change speed gear box state comprises neutral gear and interlock.
Preferably, in embodiments of the present invention, described computing module also is used for:
When the status signal of described motor position sensor is the status signal of unusual and described change speed gear box when being neutral:
When the status signal of described motor is set speed per hour for being higher than, generate the slow reduction of speed order that stops;
When the status signal of described motor is set speed per hour for being lower than, generate free reduction of speed order.
Preferably, in embodiments of the present invention, change speed gear box status signal securing component comprises:
Second place sensor.
Preferably, in embodiments of the present invention, described signal acquiring unit also comprises the torque ratio securing component, is used for obtaining the torque ratio of motor and driving engine.
Preferably, in embodiments of the present invention, described computing module also is used for:
When the status signal of described motor position sensor is that the status signal of unusual and described power-transfer clutch is out and the status signal of described change speed gear box during for interlock:
When the torque ratio of described motor and driving engine is higher than setting value, generate the slow reduction of speed order that stops;
When the status signal of described motor is to be lower than the torque ratio during less than setting value of setting speed per hour and described motor and driving engine, generate free reduction of speed order.
Preferably, in embodiments of the present invention, the torque ratio securing component comprises torque sensor.
In sum, in embodiments of the present invention, by being provided with signal acquiring unit, processing unit and motor control unit, when the motor position sensor appearance is unusual, current state in conjunction with power-transfer clutch and motor generates corresponding control command, owing to having comprised slow three kinds of reduction of speed order, free reduction of speed and the locking orders that stop in the control command; Thereby avoided the damage to motor that outage causes to motor simple as in the prior art.
In addition; because in embodiments of the present invention; when the motor position sensor appearance is unusual; can also carry out actv. control to motor, so can realize when not needing urgent reduction of speed reduction of speed slowly; thereby avoided because the potential safety hazard of the traffic accident that quick reduction of speed brings; and, can also effectively protect rider's safety, avoid that personnel can be because the personal injury that vehicle causes because of unnecessary quick reduction of speed by bus.
Description of drawings
Fig. 1 is the structural representation that is used for the motor control assembly of hybrid power described in the embodiment of the invention;
Fig. 2 is the another structural representation that is used for the motor control assembly of hybrid power described in the embodiment of the invention;
Fig. 3 is the another structural representation that is used for the motor control assembly of hybrid power described in the embodiment of the invention.
The specific embodiment
The embodiment of the invention discloses the motor control assembly for hybrid power, for making purpose of the present invention, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further detail.
With reference to figure 1, in embodiments of the present invention, the motor control assembly that is used for hybrid power comprises: signal acquiring unit 1, processing unit 2 and motor control unit 3;
Signal acquiring unit 1 comprises motor position sensor status signal securing component 11, clutch state signal acquisition assembly 12 and motor status signal acquisition assembly 13.
Motor position sensor status signal securing component 11 is used for obtaining the status signal of motor position sensor; The status signal of described motor position sensor comprises normal and unusual;
Clutch state signal acquisition assembly 12 is used for obtaining the status signal of power-transfer clutch; The status signal of power-transfer clutch comprises out and closes;
Motor status signal acquisition assembly 13 is used for obtaining the status signal of motor; The status signal of described motor comprises being higher than to be set speed per hour, is lower than and sets speed per hour and the emergency state;
In embodiments of the present invention, for when motor position sensor is unusual, motor is reasonably controlled, be provided with signal acquiring unit 1, processing unit 2 and motor control unit 3; Signal acquiring unit 1 is used for obtaining the current running state of hybrid control device, comprises the state of power-transfer clutch and the state of motor, and wherein, the state of power-transfer clutch can be divided into out and close two states; Motor status can be divided into the rotating speed that is higher than setting, the rotating speed that is lower than setting and the emergency state.Concrete, clutch state signal acquisition assembly 12 comprises the primary importance sensor, the primary importance sensor is used for obtaining the status signal of power-transfer clutch.
State by obtaining power-transfer clutch and the status information of motor, thus rational control command can be generated by the computing module in the processing unit 2; Control command specifically can generate according to computing module, and is specific as follows:
At the state of motor position sensor when being unusual, when the state of power-transfer clutch is to close and the status signal of motor is when being higher than the rotating speed of setting, at this moment, the speed of hybrid control device is at a high speed, if adopt the mode of free reduction of speed can need through the long time hybrid control device is stopped; Stop in order to make as soon as possible hybrid control device, avoid unusually descending the long-time running of hybrid control device to cause damage at motor position sensor, stop the reduction of speed order so that hybrid control device fast speed reduction of speed by the control command that the computing module in the processing unit 2 generates for slow this moment.
In addition, at the state of motor position sensor when being unusual, when the state of power-transfer clutch is to close and the status signal of motor is when being lower than the rotating speed of setting, at this moment, the speed of hybrid control device is low speed, so adopt the mode hybrid control device of free reduction of speed can stop in the short period of time, so can unusually not descend the long-time running of hybrid control device to cause damage because of motor position sensor yet; In this case, the hidden peril of accident that brings for fear of unnecessary quick reduction of speed, and, the personal injury hidden danger of the passenger that brings for fear of quick reduction of speed, be free reduction of speed order by the control command that the computing module in the processing unit 2 generates this moment.
In addition, at the state of motor position sensor when being unusual, when the state of motor is the emergency state, showing this moment has emergency situation to occur, and for fear of the generation of dangerous situation, need to stop at once the operation of hybrid control device, for this reason, in embodiments of the present invention, when the state of motor when being urgent, the control command that generates by 2 computing module in the processing unit is the locking order.
Further, in embodiments of the present invention, signal acquiring unit 1 also comprises change speed gear box status signal securing component 14, is used for obtaining the status signal of change speed gear box.Concrete, change speed gear box status signal securing component 14 can comprise second place sensor, second place sensor is used for obtaining the status signal of change speed gear box.
In order to obtain the status information of more hybrid control device, so that more reasonable to the control of motor, in embodiments of the present invention, also be provided with change speed gear box status signal securing component 14, by with the state of change speed gear box also as parameter, thereby make the control of motor more reasonable.Corresponding, the computing module in processing unit 2 also includes following rule setting:
When the status signal of motor position sensor is neutral gear for the status signal of unusual and change speed gear box, comprising:
When the status signal of motor is set speed per hour for being higher than, generate the slow reduction of speed order that stops; In embodiments of the present invention, signal acquiring unit 1 has also comprised the state of change speed gear box, and wherein, the state of change speed gear box can be divided into neutral gear and interlock two states; At the state of motor position sensor when being unusual, when the state of change speed gear box is that the status signal of neutral gear and motor is when being higher than the rotating speed of setting, at this moment, the speed of hybrid control device is at a high speed, if adopt the mode of free reduction of speed can need through the long time hybrid control device is stopped; Stop in order to make as soon as possible hybrid control device, avoid unusually descending the long-time running of hybrid control device to cause damage at motor position sensor, stop the reduction of speed order so that hybrid control device fast speed reduction of speed by the control command that the computing module in the processing unit 2 generates for slow this moment.
When the status signal of motor is set speed per hour for being lower than, generate free reduction of speed order; At the state of motor position sensor when being unusual, when the state of change speed gear box is that the status signal of neutral gear and motor is when being lower than the rotating speed of setting, at this moment, the speed of hybrid control device is low speed, so adopt the mode hybrid control device of free reduction of speed can stop in the short period of time, so can unusually not descend the long-time running of hybrid control device to cause damage because of motor position sensor yet; In this case, the hidden peril of accident that brings for fear of unnecessary quick reduction of speed, and, the personal injury hidden danger of the passenger that brings for fear of quick reduction of speed, be free reduction of speed order by the control command that the computing module in the processing unit 2 generates this moment.
Further, in embodiments of the present invention, signal acquiring unit 1 can also comprise torque ratio securing component 15, is used for obtaining the torque ratio of motor and driving engine; Concrete, in embodiments of the present invention, torque ratio securing component 15 can be torque sensor.
Equally, or more reasonable for the control signal that further makes motor, in embodiments of the present invention, can also be provided with torque ratio securing component 15; Corresponding, the computing module in processing unit 2 also includes following rule setting:
When the status signal of motor position sensor is that the status signal of unusual described power-transfer clutch is out and the status signal of change speed gear box during for interlock, and, when the torque ratio of motor and driving engine is higher than setting value, generates to delay and stop the reduction of speed order; Because the torque ratio of motor and driving engine is crossed the safety that conference directly affects hybrid control device, for this reason, when the torque ratio of motor and driving engine is higher than setting value, slowly stop the reduction of speed order by what processing unit 2 generated, hybrid control device can be stopped by fast speed, to avoid causing the loss of hybrid control device or the injury of passenger.
In addition, when the status signal of motor position sensor is that the status signal of unusual described power-transfer clutch is out and the status signal of change speed gear box during for interlock, and, when the status signal of motor is to be lower than the torque ratio during less than setting value of setting speed per hour and motor and driving engine, generate free reduction of speed order.Because the hidden peril of accident that the quick reduction of speed for fear of unnecessary of this moment brings, and, the personal injury hidden danger of the passenger that brings for fear of quick reduction of speed, be free reduction of speed order by the control command that the computing module in the processing unit 2 generates this moment.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a motor control assembly that is used for hybrid control device is characterized in that, comprising: signal acquiring unit, processing unit and motor control unit;
Described signal acquiring unit comprises:
Motor position sensor status signal securing component is for the status signal that obtains motor position sensor;
Clutch state signal acquisition assembly is for the status signal that obtains power-transfer clutch;
Motor status signal acquisition assembly, be used for obtaining the status signal of motor;
Processing unit as parameter, generates control command by computing module for each status signal that is obtained take described signal acquiring unit; Described control command comprises slow stop reduction of speed order, free reduction of speed order and locking order;
Motor control unit is used for the operation according to described control command control motor.
2. motor control assembly according to claim 1 is characterized in that, described computing module is used for:
When the status signal of described motor position sensor be the status signal of unusual and described power-transfer clutch when closing:
When the status signal of described motor is set speed per hour for being higher than, generate the slow reduction of speed order that stops;
When the status signal of described motor is set speed per hour for being lower than, generate free reduction of speed order;
When the status signal of described motor when being urgent, generate the locking order.
3. motor control assembly according to claim 1 is characterized in that, clutch state signal acquisition assembly comprises:
The primary importance sensor.
4. motor control assembly according to claim 3 is characterized in that,
Described signal acquiring unit also comprises change speed gear box status signal securing component, is used for obtaining the status signal of change speed gear box; Described change speed gear box state comprises neutral gear and interlock.
5. motor control assembly according to claim 4 is characterized in that, described computing module also is used for:
When the status signal of described motor position sensor is the status signal of unusual and described change speed gear box when being neutral:
When the status signal of described motor is set speed per hour for being higher than, generate the slow reduction of speed order that stops;
When the status signal of described motor is set speed per hour for being lower than, generate free reduction of speed order.
6. motor control assembly according to claim 4 is characterized in that, change speed gear box status signal securing component comprises:
Second place sensor.
7. motor control assembly according to claim 6 is characterized in that,
Described signal acquiring unit also comprises the torque ratio securing component, is used for obtaining the torque ratio of motor and driving engine.
8. motor control assembly according to claim 7 is characterized in that, described computing module also is used for:
When the status signal of described motor position sensor is that the status signal of unusual and described power-transfer clutch is out and the status signal of described change speed gear box during for interlock:
When the torque ratio of described motor and driving engine is higher than setting value, generate the slow reduction of speed order that stops;
When the status signal of described motor is to be lower than the torque ratio during less than setting value of setting speed per hour and described motor and driving engine, generate free reduction of speed order.
9. motor control assembly according to claim 7 is characterized in that, the torque ratio securing component comprises torque sensor.
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| CN201210419399.8A CN102874249B (en) | 2012-10-26 | 2012-10-26 | A kind of motor control assembly for hybrid power |
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| CN201210419399.8A CN102874249B (en) | 2012-10-26 | 2012-10-26 | A kind of motor control assembly for hybrid power |
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| CN104842999A (en) * | 2014-02-17 | 2015-08-19 | 福特全球技术公司 | Smoothing hybrid vehicle engine shutdown |
| JP6095851B2 (en) * | 2014-04-29 | 2017-03-15 | 三菱電機株式会社 | AC rotating machine control device and electric power steering device provided with the same |
| CN108292121A (en) * | 2015-12-01 | 2018-07-17 | 克朗斯股份公司 | Method for transport box |
| CN114046319A (en) * | 2021-11-11 | 2022-02-15 | 潍柴动力股份有限公司 | AMT clutch position correction method and system |
| CN115257690A (en) * | 2022-06-17 | 2022-11-01 | 潍柴动力股份有限公司 | Vehicle control method, hybrid power system controller and vehicle |
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| CN115257690B (en) * | 2022-06-17 | 2024-06-18 | 潍柴动力股份有限公司 | Vehicle control method, hybrid power system controller and vehicle |
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