CN201994899U - Control system for permanent magnet synchronous motor - Google Patents
Control system for permanent magnet synchronous motor Download PDFInfo
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- CN201994899U CN201994899U CN2011200174575U CN201120017457U CN201994899U CN 201994899 U CN201994899 U CN 201994899U CN 2011200174575 U CN2011200174575 U CN 2011200174575U CN 201120017457 U CN201120017457 U CN 201120017457U CN 201994899 U CN201994899 U CN 201994899U
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- inverter
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Abstract
The utility model provides a control system for a permanent magnet synchronous motor, belonging to the automobile technical field and solving the problem in the conventional hybrid electric vehicle that the layout space in an engine cabin is narrow. The control system comprises a power supply, a switching control module, a drive circuit, and a main controller, wherein the switching control module is connected with the power supply and has two paths for output; the drive circuit is connected with the switching control module and used for driving the switching control module to work; and the main controller is provided with two control modules. The switching control module can process voltage at the power supply and transmit the processed voltage through two output ends to drive a driving motor and an ISG (Integrated Starter Generator) motor to work respectively, and the two control modules can control the working states of the two output ends of the switching control module respectively through the drive circuit. The control system has the advantages that first, the switching control module and the main controller are small in size, and the chip utilization ratio is improved, and second, the control to the inverter by the controller module is safer and more accurate.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of Control of PMSM system.
Background technology
Hybrid electric drive system is a kind of drive system with pure driven by power, pure motor driven and combination drive ability.Series connection type hybrid power system then be with engine only as power source, automobile only drives by drive motors and travels.Wherein, also be connected with an ISG motor on the engine, this motor can take it to a high rotational speed before engine start, and then ato unit, and the situation of tick-over in the time of avoiding engine like this and just started improves efficiency of engine.When the engine operate as normal, the ISG motor can also rely on engine rotation and generate electricity, and is a crucial part in hybrid power drives.
The work of drive motors and ISG motor all needs corresponding controller to control, and vehicle power is generally DC power supply, needs inverter that voltage is changed equally so that give two motors power supplies.Hybrid vehicle adds on the basis of original orthodox car makes space anxiety in the engine nacelle of automobile behind ISG motor, drive motors, inverter and two electric machine controllers, arranges comparatively difficulty.
Summary of the invention
The purpose of this utility model is the problem of arrangement space anxiety in the enging cabin that exists at existing hybrid vehicle, has proposed a kind ofly can dwindle the Control of PMSM system that control system takes up room.
The purpose of this utility model can realize by following technical proposal: a kind of Control of PMSM system, it is characterized in that, described control system comprises power supply, with the joining conversion and control module of power supply with two-way output, be used to drive the drive circuit of conversion and control module work and master controller with above-mentioned conversion and control module is joining with two control modules, described conversion and control module can be handled the voltage at power supply place the back and drive drive motors and ISG machine operation respectively by two outputs, and described two control modules can be by the operating state of two outputs of drive circuit difference control transformation control module.
Drive motors in this control system and ISG motor are all selected permagnetic synchronous motor for use, when two motors are started working, by electric power output voltage and through powering for after the conversion and control resume module drive motors and the ISG motor that are connected in two outputs of conversion and control module, and two control modules of master controller can be distinguished the energising situation of two outputs of control transformation control module, and then realize the purpose of the operating state of controlling and driving motor and ISG motor.
In above-mentioned a kind of Control of PMSM system, described conversion and control module comprises inverter parallel with one another one and inverter two, described drive circuit comprises drive circuit one and drive circuit two, a control module of described master controller is by the operating state of drive circuit one control inverter one, and another control module is by the operating state of drive circuit two control inverters two.Two control modules of master controller by corresponding drive circuit control inverter, make that the control of two motors is separate respectively, can the phase mutual interference.
In above-mentioned a kind of Control of PMSM system, also be connected with two on the described master controller and be respectively applied for the detection modules that detect drive motors and ISG electric machine operation state, described two detection modules respectively with the above-mentioned corresponding connection of two control modules.The work state information adjustment of two motors that control module can feed back according to detection module is to the control of inverter.
In above-mentioned a kind of Control of PMSM system, described detection module comprises current sensor, temperature sensor and motor rotor position detector, and described motor rotor position detector links by a decoder and master controller.
In above-mentioned a kind of Control of PMSM system, also be parallel with a high-power electrolysis electric capacity on the described power supply, also be parallel with two resistance of series connection mutually on the described high-power electrolysis electric capacity.High-power electrolysis electric capacity is used for filtering, the alternating component in the filtering circuit.
In above-mentioned a kind of Control of PMSM system, be connected with a voltage sensor between described two resistance, described voltage sensor also links with master controller.
In above-mentioned a kind of Control of PMSM system, described master controller links by CAN bus and entire car controller.Master controller is connected on the CAN bus, can make easy communication between entire car controller and the master controller, and this master controller also can connect with other equipment by the CAN bus.
In above-mentioned a kind of Control of PMSM system, described motor rotor position detector is a resolver, and described decoder becomes decoding chip AU6802N1 for revolving.
In above-mentioned a kind of Control of PMSM system, described inverter one is formed by six IGBT power switch pipes with inverter two, and is parallel with one another again after described six IGBT power switch pipes are connected in twos.
In above-mentioned a kind of Control of PMSM system, described master controller is dsp chip (TMS320LF2407A).Have two task managers in this dsp chip, each task manager all can independently be controlled the operating state of a motor by drive circuit and inverter.
Compared with prior art, this Control of PMSM system has the following advantages:
1, this control system master controller of adopting the conversion and control module with two-way output and having two control modules substitutes two inverters of the prior art and two electric machine controllers, has reduced it and has taken volume, and improved the utilance of chip.
2, master controller is adjusted control to inverter according to the operating state of two motors that detection module fed back, make controller module to the control of inverter more safety with accurately.
Description of drawings
Fig. 1 is this Control of PMSM system principle structural representation.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this Control of PMSM system comprise electrokinetic cell, all with the joining inverter parallel with one another of electrokinetic cell and inverter two and the drive motors and the ISG motor that link with inverter one and inverter two respectively.Wherein, inverter one is formed by six IGBT power switch pipes with inverter two, and it is one group that six IGBT power switch pipes are connected mutually with two, forms three groups and parallel with one another to form inverter altogether.Inverter one and inverter two also are attached to two control modules of master controller respectively by drive circuit one and drive circuit two, two control modules of master control all have the ability of independent control motor operation.
Drive motors and ISG motor place also are provided with the detection module that can detect drive motors and ISG electric machine operation state, and two detection modules link with two control modules of master controller respectively.In the present embodiment, drive motors and ISG motor all adopt permagnetic synchronous motor; Master controller is the dsp chip (TMS320LF2407A) with two task managers, and this chip and CAN bus link.
Detection module comprises current sensor, temperature sensor and is used to detect the resolver of the rotor-position of motor.Current sensor is used to gather the phase current of permagnetic synchronous motor, and temperature sensor is used to detect the temperature at two motors and two inverter places, and resolver sends to dsp chip by revolving change decoding chip AU6802N1 with detected signal.In addition, quantity is two current sensor and temperature sensor and also links with the error protection module of dsp chip.Also be parallel with one on the electrokinetic cell and be used for the heavy-duty motor electric capacity of filtering alternating component and the resistance of two mutual series connection; be connected with a voltage sensor between two resistance, this voltage sensor also links with the A/D communication module and the error protection module of dsp chip.
This Control of PMSM system is two inverter power supplies by electrokinetic cell, and inverter can be with output behind the converting direct-current voltage into alternating-current voltage of vehicle mounted dynamic battery with controlling and driving motor and ISG machine operation.And two task managers of dsp chip can send pwm pulse signal to drive circuit, drive inverter one and inverter two work respectively by drive circuit one and drive circuit two, reach purpose by dsp chip controlling and driving motor and ISG machine operation with this.In this simultaneously, each transducer of detection module and transformer detect the operating state of drive motors and ISG motor, and testing result sent to dsp chip, the pwm pulse signal that dsp chip can send according to the adjustment of detection module feedack, make the driving of drive circuit change, and then come the change of controlling and driving motor and ISG motor by the change of inverter.
When the detected information representation drive motors of detection module or ISG motor break down; this fault-signal of error protection resume module of dsp chip, and corresponding pwm pulse signal control motor takes place and switches to the corresponding work state in two task managers by dsp chip.Simultaneously, dsp chip is transferred to fault message on the CAN bus, can handle or points out by being connected in entire car controller, diagnostic equipment or other equipment on the CAN bus.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (10)
1. Control of PMSM system, it is characterized in that, described control system comprises power supply, with the joining conversion and control module of power supply with two-way output, be used to drive the drive circuit of conversion and control module work and master controller with above-mentioned conversion and control module is joining with two control modules, described conversion and control module can be handled the voltage at power supply place the back and drive drive motors and ISG machine operation respectively by two outputs, and described two control modules can be by the operating state of two outputs of drive circuit difference control transformation control module.
2. Control of PMSM according to claim 1 system, it is characterized in that, described conversion and control module comprises inverter parallel with one another one and inverter two, described drive circuit comprises drive circuit one and drive circuit two, a control module of described master controller is by the operating state of drive circuit one control inverter one, and another control module is by the operating state of drive circuit two control inverters two.
3. Control of PMSM according to claim 1 and 2 system, it is characterized in that, also be connected with two on the described master controller and be respectively applied for the detection modules that detect drive motors and ISG electric machine operation state, described two detection modules respectively with the above-mentioned corresponding connection of two control modules.
4. Control of PMSM according to claim 3 system, it is characterized in that, described detection module comprises current sensor, temperature sensor and motor rotor position detector, and described motor rotor position detector links by a decoder and master controller.
5. Control of PMSM according to claim 1 and 2 system is characterized in that, also is parallel with a high-power electrolysis electric capacity on the described power supply, also is parallel with two resistance of series connection mutually on the described high-power electrolysis electric capacity.
6. Control of PMSM according to claim 5 system is characterized in that be connected with a voltage sensor between described two resistance, described voltage sensor also links with master controller.
7. Control of PMSM according to claim 1 and 2 system is characterized in that described master controller links by CAN bus and entire car controller.
8. Control of PMSM according to claim 4 system is characterized in that described motor rotor position detector is a resolver, and described decoder becomes decoding chip AU6802N1 for revolving.
9. Control of PMSM according to claim 2 system is characterized in that, described inverter one is formed by six IGBT power switch pipes with inverter two, and is parallel with one another again after described six IGBT power switch pipes are connected in twos.
10. Control of PMSM according to claim 1 and 2 system is characterized in that described master controller is dsp chip TMS320LF2407A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200174575U CN201994899U (en) | 2011-01-20 | 2011-01-20 | Control system for permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200174575U CN201994899U (en) | 2011-01-20 | 2011-01-20 | Control system for permanent magnet synchronous motor |
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| Publication Number | Publication Date |
|---|---|
| CN201994899U true CN201994899U (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200174575U Expired - Fee Related CN201994899U (en) | 2011-01-20 | 2011-01-20 | Control system for permanent magnet synchronous motor |
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| CN (1) | CN201994899U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102651625A (en) * | 2012-04-27 | 2012-08-29 | 浙江吉利汽车研究院有限公司杭州分公司 | Motor control system for hybrid electric vehicle |
| CN103066897A (en) * | 2013-01-18 | 2013-04-24 | 太原理工大学 | Electromotor energy storage braking system and control method |
| CN103872960A (en) * | 2014-04-14 | 2014-06-18 | 上海联孚新能源科技集团有限公司 | Vector controller based on software dead-time compensation |
-
2011
- 2011-01-20 CN CN2011200174575U patent/CN201994899U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102651625A (en) * | 2012-04-27 | 2012-08-29 | 浙江吉利汽车研究院有限公司杭州分公司 | Motor control system for hybrid electric vehicle |
| CN103066897A (en) * | 2013-01-18 | 2013-04-24 | 太原理工大学 | Electromotor energy storage braking system and control method |
| CN103066897B (en) * | 2013-01-18 | 2015-10-28 | 太原理工大学 | Motor energy Storage Braking System |
| CN103872960A (en) * | 2014-04-14 | 2014-06-18 | 上海联孚新能源科技集团有限公司 | Vector controller based on software dead-time compensation |
| CN103872960B (en) * | 2014-04-14 | 2017-01-25 | 上海联孚新能源科技集团有限公司 | Vector controller based on software dead-time compensation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20140120 |