CN103731086A - Motor control device - Google Patents
Motor control device Download PDFInfo
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- CN103731086A CN103731086A CN201310691013.3A CN201310691013A CN103731086A CN 103731086 A CN103731086 A CN 103731086A CN 201310691013 A CN201310691013 A CN 201310691013A CN 103731086 A CN103731086 A CN 103731086A
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Abstract
The invention discloses a motor control device, and belongs to the technical field of automatic control over a motor of an electric car. The motor control device comprises a control module (1), a current function module (2), a current regulation module (3), a flux weakening angle calculation module (4), a motor rotation speed calculation module (5), a position sensing module (6), a commutation position calculation module (7), a PWM signal generating module (8), an inversion circuit control module (9), an overloading judgment module (10), a torque instruction switchover module (11), a current limiting protective module (12), an inversion module (13), a first filtering module (14) and a second filtering module (15). Compared with the prior art, the motor control device has the advantages of being stable in performance, simple in structure, convenient to control, high in reliability, easy to repair and the like.
Description
Technical field
The invention belongs to motor in electric automobile automatic control technology field, in particular, belong to a kind of motor control assembly.
Background technology
Because energy problem is day by day serious, electric automobile is replacing fuel oil automobile progressively.Electric automobile refers to take vehicle power as power, with power wheel, travels, and meets the vehicle of road traffic, safety regulations requirements.The composition of electric automobile comprises: the mechanical systems such as driven by power and control system, actuating force transmission, complete the equipment of set task etc.Driven by power and control system are the cores of electric automobile, are also the maximum differences that is different from internal-combustion engines vehicle.Driven by power and control system are comprised of speed-regulating control device of drive motor, power supply and motor etc.Other devices of electric automobile are basic identical with internal-combustion engines vehicle.Due to less to the relative orthodox car of environmental impact, its prospect is extensively had an optimistic view of, but current techniques is still immature.Motor is as the critical component of electric automobile, and its control performance has very important effect to electric automobile.Permagnetic synchronous motor adopts high performance permanent magnet at present, eliminated the impact of rotating servo motor by the straight-line mechanical drive train that rotatablely moves, have that thrust precision is high, loss is low, electrical time constant is short, respond the advantages such as fast, become the first-selection of electric automobile now.
Speed regulation control device of motor is that its effect is voltage or the electric current of controlling motor, completes the control of driving torque and the direction of rotation of motor for the speed change of electric automobile and direction transformation etc. arrange.On early stage electric automobile, the speed governing of DC motor adopts the number of turn of series resistor or change motor field coil to realize.Because its speed governing has level, and can produce additional energy consumption or use the complex structure of motor, now seldom adopt.Application is thyristor chopping regulating speed more widely, by changing equably the terminal voltage of motor, controls the electric current of motor, realizes the stepless speed regulation of motor.In the development of electron electric power technology, it is also replaced by other power transistor chopper speed regulating devices gradually.From the development of technology, be accompanied by the application of novel drive motors, the speed regulating control of electric automobile changes the application of DC inversion technology into, will become inevitable trend.
In the rotation direction conversion of drive motor is controlled, DC motor relies on contactor to change the sense of current in armature or magnetic field, realizes the rotation direction conversion of motor, and this makes, and circuit is complicated, reliability reduces.When adopting AC asynchronous motor to drive, the change that motor turns to only need convert the phase sequence of magnetic field three-phase current, can make control circuit simplify.In addition, adopt alternating current motor and Frequency Conversion and Speed Regulation Technique thereof, make the braking energy recovery control of electric automobile convenient, control circuit is simpler.Electric automobile refers to take vehicle power as power, with power wheel, travels, and meets the vehicle of road traffic, safety regulations requirements.The composition of electric automobile comprises: the mechanical systems such as driven by power and control system, actuating force transmission, complete the equipment of set task etc.Because electric automobile is less to the relative orthodox car of environmental impact, its prospect is extensively had an optimistic view of, but current techniques is still immature.
Driven by power and control system are the cores of electric automobile, are also the maximum differences that is different from internal-combustion engines vehicle.Driven by power and control system are comprised of speed-regulating control device of drive motor, power supply and motor etc.Other devices of electric automobile are basic identical with internal-combustion engines vehicle, speed regulation control device of motor is to arrange for the speed change of electric automobile and direction transformation etc., its effect is voltage or the electric current of controlling motor, completes the control of driving torque and the direction of rotation of motor.
On early stage electric automobile, the speed governing of DC motor adopts the number of turn of series resistor or change motor field coil to realize.Because its speed governing has level, and can produce additional energy consumption or use the complex structure of motor, now seldom adopt.Application is thyristor chopping regulating speed more widely, by changing equably the terminal voltage of motor, controls the electric current of motor, realizes the stepless speed regulation of motor.In the development of electron electric power technology, it is also replaced by other power transistor chopper speed regulating devices gradually.
From the development of technology, be accompanied by the application of novel drive motors, the speed regulating control of electric automobile changes the application of DC inversion technology into, will become inevitable trend.In the rotation direction conversion of drive motor is controlled, DC motor relies on contactor to change the sense of current in armature or magnetic field, realizes the rotation direction conversion of motor, and this makes, and circuit is complicated, reliability reduces.When adopting AC asynchronous motor to drive, the change that motor turns to only need convert the phase sequence of magnetic field three-phase current, can make control circuit simplify.In addition, adopt alternating current motor and Frequency Conversion and Speed Regulation Technique thereof, make the braking energy recovery control of electric automobile convenient, control circuit is simpler.
Summary of the invention
The present invention, in order effectively to solve above technical problem, has provided a kind of motor control assembly.
A kind of motor control assembly of the present invention, is characterized in that: comprise control module, current function module, current regulating module, weak magnetic degree computing module, motor speed computing module, position sensing module, change of current position computation module, pwm signal generation module, inverter circuit control module, overload judge module, torque instruction handover module, current-limiting protection module, inversion module, the first filtration module, the second filtration module; Wherein:
Described control module is connected with described current function module, described current function module is connected with described current regulating module, described current regulating module is connected with described pwm signal generation module, described overload judge module is connected with described control module, described torque instruction handover module is connected with described control module, and described current-limiting protection module is connected with described control module;
Described position sensing module is connected with described motor speed computing module, described motor speed computing module is connected with described weak magnetic degree computing module, described weak magnetic degree computing module is connected with described pwm signal generation module, described position sensing module is connected with described change of current position computation module, described change of current position computation module is connected with described pwm signal generation module, described pwm signal generation module is connected with described inverter circuit control module, described inverter circuit control module is connected with described inversion module, described inversion module is connected with described the first filtration module, described inversion module is connected with described the second filtration module.
The present invention compared with prior art has the advantages such as stable performance, simple in structure, control is convenient, reliability is high, easy to maintenance.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of motor control assembly of the present invention.
Embodiment
Fig. 1 is the structural representation of motor control assembly of the present invention, and a kind of motor control assembly of the present invention comprises control module 1, current function module 2, current regulating module 3, weak magnetic degree computing module 4, motor speed computing module 5, position sensing module 6, change of current position computation module 7, pwm signal generation module 8, inverter circuit control module 9, overload judge module 10, torque instruction handover module 11, current-limiting protection module 12, inversion module 13, the first filtration module 14, the second filtration module 15; Wherein:
Described control module 1 is connected with described current function module 2, described current function module 2 is connected with described current regulating module 3, described current regulating module 3 is connected with described pwm signal generation module 8, described overload judge module 10 is connected with described control module 1, described torque instruction handover module 11 is connected with described control module 1, and described current-limiting protection module 12 is connected with described control module 1;
Described position sensing module 6 is connected with described motor speed computing module 5, described motor speed computing module 5 is connected with described weak magnetic degree computing module 4, described weak magnetic degree computing module 4 is connected with described pwm signal generation module 8, described position sensing module 6 is connected with described change of current position computation module 7, described change of current position computation module 7 is connected with described pwm signal generation module 8, described pwm signal generation module 8 is connected with described inverter circuit control module 9, described inverter circuit control module 9 is connected with described inversion module 13, described inversion module 13 is connected with described the first filtration module 14, described inversion module 13 is connected with described the second filtration module 15.
Claims (1)
1. a motor control assembly, is characterized in that: comprise control module (1), current function module (2), current regulating module (3), weak magnetic degree computing module (4), motor speed computing module (5), position sensing module (6), change of current position computation module (7), pwm signal generation module (8), inverter circuit control module (9), overload judge module (10), torque instruction handover module (11), current-limiting protection module (12), inversion module (13), the first filtration module (14), the second filtration module (15); Wherein:
Described control module (1) is connected with described current function module (2), described current function module (2) is connected with described current regulating module (3), described current regulating module (3) is connected with described pwm signal generation module (8), described overload judge module (10) is connected with described control module (1), described torque instruction handover module (11) is connected with described control module (1), and described current-limiting protection module (12) is connected with described control module (1);
Described position sensing module (6) is connected with described motor speed computing module (5), described motor speed computing module (5) is connected with described weak magnetic degree computing module (4), described weak magnetic degree computing module (4) is connected with described pwm signal generation module (8), described position sensing module (6) is connected with described change of current position computation module (7), described change of current position computation module (7) is connected with described pwm signal generation module (8), described pwm signal generation module (8) is connected with described inverter circuit control module (9), described inverter circuit control module (9) is connected with described inversion module (13), described inversion module (13) is connected with described the first filtration module (14), described inversion module (13) is connected with described the second filtration module (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310691013.3A CN103731086A (en) | 2013-12-12 | 2013-12-12 | Motor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310691013.3A CN103731086A (en) | 2013-12-12 | 2013-12-12 | Motor control device |
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| CN103731086A true CN103731086A (en) | 2014-04-16 |
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| CN201310691013.3A Pending CN103731086A (en) | 2013-12-12 | 2013-12-12 | Motor control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846746A (en) * | 2015-01-29 | 2016-08-10 | 发那科株式会社 | Motor drive device |
Citations (5)
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| US20060125439A1 (en) * | 2004-12-10 | 2006-06-15 | Hitachi, Ltd. | Synchronous motor drive unit and a driving method thereof |
| CN1964179A (en) * | 2005-11-07 | 2007-05-16 | 上海浩控信息技术有限公司 | A control method and device for permanently magnetic brushless motor |
| CN101393699A (en) * | 2008-10-17 | 2009-03-25 | 南京航空航天大学 | Wind turbine simulator of doubly salient motor and controlling method thereof |
| CN102324882A (en) * | 2011-09-19 | 2012-01-18 | 河南工程学院 | Wide range speed control system and current distribution method for hybrid excitation synchronous machine |
| CN102684596A (en) * | 2012-05-23 | 2012-09-19 | 东方电气集团东风电机有限公司 | Novel alternating current asynchronous motor controller for pure electric car |
-
2013
- 2013-12-12 CN CN201310691013.3A patent/CN103731086A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060125439A1 (en) * | 2004-12-10 | 2006-06-15 | Hitachi, Ltd. | Synchronous motor drive unit and a driving method thereof |
| CN1964179A (en) * | 2005-11-07 | 2007-05-16 | 上海浩控信息技术有限公司 | A control method and device for permanently magnetic brushless motor |
| CN101393699A (en) * | 2008-10-17 | 2009-03-25 | 南京航空航天大学 | Wind turbine simulator of doubly salient motor and controlling method thereof |
| CN102324882A (en) * | 2011-09-19 | 2012-01-18 | 河南工程学院 | Wide range speed control system and current distribution method for hybrid excitation synchronous machine |
| CN102684596A (en) * | 2012-05-23 | 2012-09-19 | 东方电气集团东风电机有限公司 | Novel alternating current asynchronous motor controller for pure electric car |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846746A (en) * | 2015-01-29 | 2016-08-10 | 发那科株式会社 | Motor drive device |
| CN105846746B (en) * | 2015-01-29 | 2017-11-28 | 发那科株式会社 | Motor drive |
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Application publication date: 20140416 |