CN104092416A - Switched reluctance motor controller and control method thereof - Google Patents
Switched reluctance motor controller and control method thereof Download PDFInfo
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- CN104092416A CN104092416A CN201410354580.4A CN201410354580A CN104092416A CN 104092416 A CN104092416 A CN 104092416A CN 201410354580 A CN201410354580 A CN 201410354580A CN 104092416 A CN104092416 A CN 104092416A
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Abstract
The invention discloses a switched reluctance motor controller and a control method of the switched reluctance motor controller. The switched reluctance motor control method includes the first step of receiving an instruction, the second step of converting power, the third step of outputting drive current to a switched reluctance motor, the fourth step of sending position detection pulse to the switched reluctance motor, the fifth step of detecting non-power output phase current from the switched reluctance motor, the sixth step of estimating the position of a rotor of the switched reluctance motor, the seventh step of sending the position information of the rotor of the motor to a control circuit module of the switched reluctance motor, the eighth step of calculating the rotation speed and the accelerated rotation speed of the switched reluctance motor and the ninth step of sending information of the rotation speed and the accelerated rotation speed of the switched reluctance motor to a vehicle controller. The switched reluctance motor controller and the control method of the switched reluctance motor controller have the advantages that the switched reluctance motor can be controlled effectively, the motor is simple in structure and high in economical efficiency and reliability, and vehicle control is optimized.
Description
Technical field
The present invention relates to controller technology field, be specifically related to a kind of switched reluctance motor controller and control method thereof.
Background technology
Along with developing rapidly of China's modern city, city size constantly expands, the level of urbanization improves rapidly, and the acceleration of new countryside construction, urban and rural residents' disposable income is increasing, and people's radius of action is extending, there is the short slab that cannot solve last kilometer in public transport, day by day crowded road has restricted the growth of car quantity, though fuel motorcycle has the advantages such as easy to use as walking-replacing tool
But along with the increase of city fuel motorcycle recoverable amount, the problem of environmental pollution, fuel consumption and energy aspect also highlights day by day, and the development of fuel motorcycle is generally restricted in big and medium-sized cities or is forbidden, and ordinary bicycle has been difficult to satisfy the demand.Battery-operated motor cycle has the remarkable advantages such as energy-saving and environmental protection, light, safe, quick, usage charges are low, battery-operated motor cycle is one of trip mode of people's routine work, life thus, it is the industry direction that country encourages, apply with technological development and day by day come into one's own, World Developed Countries research and development New Generation of Electric Vehicle in also at active development battery-operated motor cycle and electric bicycle.
Moped Scooter, promotes by battery stores electricity energy, and the source of electricity is very extensive, is mainly by thermal power generation, with coal, generate electricity exactly, and be secondly hydroelectric power generation, and the coal resources of China and hydroelectric resources are all abundanter.The solar power generation that encouragement is greatly developed, wind power generation or regenerative resource.Also seldom, these factors have all determined that Moped Scooter has vast potential for future development to the resource that nuclear power consumes.
Existing Moped Scooter is generally used permanent magnetism wheel hub motor, and permanent magnetism wheel hub motor inevitably has following shortcoming: need to use powerful magnet steel, expend valuable rare earth resources, exploitation rare earth meeting welding; Due at high temperature easily demagnetization of permanent magnet, it is poor that magneto is high temperature resistant; Than switched reluctance machines, magneto complex process; Even if do not operate in hot environment, magnet steel also can be along with time self-demagnetization lentamente, and power of motor also can slow decreasing; Electromagnetic resistance has been slided in power-off; Energy reclaims difficulty.
And switched reluctance machines is a kind of New-type electric machine, than being more suitable for vehicle traction, particularly can easily carry out energy recovery.But this technology is not widely applied, be mainly due to the controller and the control method that are not also exclusively used in Moped Scooter wheel hub motor on market, can not effectively realize the control to switched reluctance machines.
Summary of the invention
For solve in prior art because of effective control switch reluctance motor make switched reluctance machines can not be on Moped Scooter the technological deficiency of wide popularization and application, the present invention designs a kind of switched reluctance motor controller and control method thereof, effectively realized the control to switched reluctance machines, the many disadvantages of having avoided Moped Scooter to use permanent magnetism wheel hub motor to exist.
A switched reluctance motor controller, comprises the control circuit module, power conversion module, the drive current module that connect in turn, and wherein, the output of power conversion module is also connected with position probing pulse module; This switched reluctance motor controller also comprises non-power output current phase detection module and rotating speed/rotary acceleration calculating module, and is connected with position estimation between non-power output current phase detection module and control circuit module.By this switched reluctance motor controller is arranged on Moped Scooter, can effectively realize the control to switched reluctance machines, the many disadvantages of having avoided Moped Scooter to use permanent magnetism wheel hub motor to exist.
Further, between power conversion module and control circuit module, be connected with power current detection module.After each switching tube of power conversion module controls power circuit converts power stage; the current information of power current detection module detection power output phase; and the current detecting information of power stage phase is sent to control circuit module, can realize the current-limiting protection to power circuit.
Further, the output of control circuit module is connected with state display module.State display module comprises power stage indication LED light-emitting diode and current limliting indication LED light-emitting diode.By power stage indication LED light-emitting diode and current limliting indication LED light-emitting diode, intuitively display switch reluctance motor controller each mutually and the state of corresponding windings work.
A control method for switched reluctance motor controller, comprises the following steps: (1) receives instruction step: the control circuit module of switched reluctance motor controller receives the instruction from vehicle control device; (2) power conversion step: each switching tube of power conversion module controls power circuit converts power stage, decomposition is from the instruction of vehicle control device, calculate the open and close of opening order and each power switch pipe of each power switch pipe constantly, real-time detection power electric current, and when electric current surpasses capping, protect the safety of power switch pipe; (3) drive current is exported to switched reluctance machines step: drive current module outputs to the electric current for power drive the winding of the output of required power this moment, i.e. switched reluctance machines A phase, B phase, the C a certain phase in mutually; (4) position probing pulse is sent to switched reluctance machines step: position probing pulse module is added to the potential pulse for position probing the winding that does not this moment need power stage phase with fixed intervals, i.e. non-power output phase; (5) detect the non-power output current phase step from switched reluctance machines: switch reluctance machine rotor magnetic pole is different from the relative position of each phase of stator, the inductance of each phase winding is also different, synchronization is added in each non-power and exports identical voltage and duration on the winding of phase, can produce Weak current in each phase, non-power output current phase detection module detects the value of each non-power output current phase; (6) the position step of estimation switch reluctance machine rotor: position estimation is obtained the real time position of switch reluctance machine rotor according to the magnitude estimation of this each non-power output current phase of moment; (7) motor rotor position information is sent to the control circuit module step of switched reluctance motor controller: position estimation sends to control circuit module by the real-time position information of rotor, the combination of control circuit module, from the instruction of vehicle control device, is determined conversion and the open and close moment of power stage phase and non-power output phase; (8) rotating speed of compute switch reluctance motor and rotary acceleration step: rotating speed/rotary acceleration is calculated module and changed size according to the position angle of each set time internal rotor, calculate the rotating speed of motor, calculate the variation of each adjacent set time rotating speed, obtain the rotary acceleration of motor; (9) rotating speed of switched reluctance machines and rotary acceleration information are sent to vehicle control device step: rotating speed/rotary acceleration calculates module and sends in real time the rotating speed of motor and rotary acceleration information to vehicle control device.
Further, in step (1), the control circuit module of switched reluctance motor controller receives the power stage indication LED light-emitting diode from illuminating state display module after the instruction of vehicle control device; When each phase current surpasses threshold limit value, light current limliting indication LED light-emitting diode.
Further; in step (2); after each switching tube of power conversion module controls power circuit converts power stage; the current information of power current detection module detection power output phase; and the current detecting information of power stage phase is sent to control circuit module, realize the current-limiting protection to power circuit.
Beneficial effect of the present invention is: by this switched reluctance motor controller and control method thereof, can effectively realize the control to switched reluctance machines, can make switched reluctance machines be used widely in Moped Scooter field, electric machine structure is simple, economical, reliability is high, this switched reluctance motor controller can be realized the four quadrant running of same motor, conveniently kinetic energy is reclaimed, motor be can control and electric model or power generation mode are operated at any time, by power generation mode, reclaim kinetic energy, and can realize the communication with vehicle control device by this control method, reception is from the instruction of vehicle control device, motor is moved to each reporting parameters to vehicle control device, coordinate vehicle control device, make car load control optimization.Switched reluctance machines, for Moped Scooter, is had the following advantages than permanent magnetism wheel hub motor: without magnet steel, reduced cost, saved valuable rare earth resources; Rotor is without winding and magnet steel, and without copper loss, caloric value is little, and efficiency is high, and the problem that does not have magnet steel high temperature demagnetization power to decline, and can bear larger temperature rise; Electric machine structure is simple, and rotor dynamic balancing is good, and reliability is high; When power-off is slided or manpower is ridden without electromagnetic resistance; Comprehensive operation efficiency is high, can conveniently realize regenerating braking energy and reclaim; Overall efficiency is high, all has high efficiency in broad rotating speed and power bracket; Starting torque is large, and starting current is little, overcomes the problem that it is difficult to start to walk in vehicle abrupt slope; Low speed torque is large, and anti-overload ability is strong, and high-speed cruising is steady.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of switched reluctance motor controller of the present invention.
Embodiment
Below in conjunction with accompanying drawing, structure of the present invention is explained in detail to explanation.
As shown in Figure 1, a kind of switched reluctance motor controller provided by the invention, comprises the control circuit module, power conversion module, the drive current module that connect in turn, and wherein, the output of power conversion module is also connected with position probing pulse module; This switched reluctance motor controller also comprises non-power output current phase detection module and rotating speed/rotary acceleration calculating module, and is connected with position estimation between non-power output current phase detection module and control circuit module.This switched reluctance motor controller in use, only need to be arranged on Moped Scooter and (be connected between vehicle control device and switched reluctance machines), and control circuit module is connected with vehicle control device; Rotating speed/rotary acceleration is calculated module, non-power output current phase detection module, drive current module and position probing pulse module and is all connected with switched reluctance machines.
A kind of switched reluctance motor controller provided by the invention, is connected with power current detection module between power conversion module and control circuit module.After each switching tube of power conversion module controls power circuit converts power stage; the current information of power current detection module detection power output phase; and the current detecting information of power stage phase is sent to control circuit module, can realize the current-limiting protection to power circuit.
A kind of switched reluctance motor controller provided by the invention, the output of control circuit module is connected with state display module.State display module comprises power stage indication LED light-emitting diode and current limliting indication LED light-emitting diode.By power stage indication LED light-emitting diode and current limliting indication LED light-emitting diode, each phase operating state of display switch reluctance motor controller intuitively.
The control method of a kind of switched reluctance motor controller provided by the invention, comprises the following steps: (1) receives instruction step: the control circuit module of switched reluctance motor controller receives the instruction from vehicle control device; As, motor operational mode, motor winding current size etc.; (2) power conversion step: each switching tube of power conversion module controls power circuit converts power stage, decomposition is from the instruction of vehicle control device, calculate the open and close of opening order and each power switch pipe of each power switch pipe constantly, real-time detection power electric current, and when electric current surpasses capping, protect the safety of power switch pipe; (3) drive current is exported to switched reluctance machines step: drive current module outputs to the electric current for power drive the winding of the output of required power this moment, i.e. switched reluctance machines A phase, B phase, the C a certain phase in mutually; (4) position probing pulse is sent to switched reluctance machines step: position probing pulse module is added to the potential pulse for position probing the winding that does not this moment need power stage phase with fixed intervals, i.e. non-power output phase; (5) detect the non-power output current phase step from switched reluctance machines: switch reluctance machine rotor magnetic pole is different from the relative position of each phase of stator, the inductance of each phase winding is also different, synchronization is added in each non-power and exports identical voltage and duration on the winding of phase, can produce Weak current in each phase, non-power output current phase detection module detects the value of each non-power output current phase, the size of each phase generation current is different, along with rotor-position changes, each phase current is also in corresponding variation; (6) the position step of estimation switch reluctance machine rotor: position estimation is obtained the real time position of switch reluctance machine rotor according to the magnitude estimation of this each non-power output current phase of moment; (7) motor rotor position information is sent to the control circuit module step of switched reluctance motor controller: position estimation sends to control circuit module by the real-time position information of rotor, the combination of control circuit module, from the instruction of vehicle control device, is determined conversion and the open and close moment of power stage phase and non-power output phase; (8) rotating speed of compute switch reluctance motor and rotary acceleration step: rotating speed/rotary acceleration is calculated module and changed size according to the position angle of each set time internal rotor, calculate the rotating speed of motor, calculate the variation of each adjacent set time rotating speed, obtain the rotary acceleration of motor; (9) rotating speed of switched reluctance machines and rotary acceleration information are sent to vehicle control device step: rotating speed/rotary acceleration calculates module and sends in real time the rotating speed of motor and rotary acceleration information to vehicle control device.
The control method of a kind of switched reluctance motor controller provided by the invention, in step (1), the control circuit module of switched reluctance motor controller receives the power stage indication LED light-emitting diode from illuminating state display module after the instruction of vehicle control device; When each phase current surpasses threshold limit value, light current limliting indication LED light-emitting diode.
The control method of a kind of switched reluctance motor controller provided by the invention; in step (2); after each switching tube of power conversion module controls power circuit converts power stage; the current information of power current detection module detection power output phase; and the current detecting information of power stage phase is sent to control circuit module, realize the current-limiting protection to power circuit.
The power stage of mentioning in the control method of a kind of switched reluctance motor controller provided by the invention refers to mutually in heterogeneous switched reluctance machines, in certain phase power switch and winding, is connected with large electric current, and for generation of motor torque, this is called power stage phase mutually.Non-power output refers in heterogeneous switched reluctance machines in certain phase power switch and winding, there is no the electric current for generation of motor torque mutually, and this is called non-power output phase mutually.As A opens the large electric current of output mutually, produce torque; And B phase does not have the output of power electric current mutually with C, do not produce torque, A is power stage phase mutually, B, C are non-power stage phase mutually; B opens the large electric current of output mutually, produces torque; And A phase does not have the output of power electric current mutually with C, do not produce torque, B is power stage phase mutually, A, C are non-power stage phase mutually; C opens the large electric current of output mutually, produces torque; And A phase does not have the output of power electric current mutually with B, do not produce torque, C is power stage phase mutually, A, B are non-power stage phase mutually.
By this switched reluctance motor controller and control method thereof, can provide kinetic energy for switched reluctance machines, the running status of all right pilot switch reluctance motor is, pass on information processing and the exchange of host computer (vehicle control device) instruction.The information such as rotating speed, temperature, electric current, phase place that can know switched reluctance machines by this switched reluctance motor controller and control method thereof, is processed into digital signal, is uploaded to vehicle control device; Receive the instruction of vehicle control device, the treated control command that changes into control switch reluctance motor, the open and close sequential of each power switch pipe of power ratio control circuit, and then the operational mode of control switch reluctance motor (working in power generation mode or electric model), direction of rotation, moment size, to reach the object of car load synthetic operation.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing in flesh and blood of the present invention, be equal to and replace and simple modifications etc., within all should being included in protection scope of the present invention.
Claims (7)
1. a switched reluctance motor controller, it is characterized in that, this switched reluctance motor controller comprises control circuit module, power conversion module, the drive current module connecting in turn, and wherein, the output of power conversion module is also connected with position probing pulse module; This switched reluctance motor controller also comprises non-power output current phase detection module and rotating speed/rotary acceleration calculating module, and is connected with position estimation between non-power output current phase detection module and control circuit module.
2. switched reluctance motor controller according to claim 1, is characterized in that, between power conversion module and control circuit module, is connected with power current detection module.
3. switched reluctance motor controller according to claim 1, is characterized in that, the output of control circuit module is connected with state display module.
4. switched reluctance motor controller according to claim 3, is characterized in that, state display module comprises power stage indication LED light-emitting diode and current limliting indication LED light-emitting diode.
5. a control method for switched reluctance motor controller, is characterized in that, comprises the following steps:
(1) receive instruction step: the control circuit module of switched reluctance motor controller receives the instruction from vehicle control device;
(2) power conversion step: each switching tube of power conversion module controls power circuit converts power stage, decomposition is from the instruction of vehicle control device, calculate the open and close of opening order and each power switch pipe of each power switch pipe constantly, real-time detection power electric current, and when electric current surpasses capping, protect the safety of power switch pipe;
(3) drive current is exported to switched reluctance machines step: drive current module outputs to the electric current for power drive the winding of the output of required power this moment, i.e. switched reluctance machines A phase, B phase, the C a certain phase in mutually;
(4) position probing pulse is sent to switched reluctance machines step: position probing pulse module is added to the potential pulse for position probing the winding that does not this moment need power stage phase with fixed intervals, i.e. non-power output phase;
(5) detect the non-power output current phase step from switched reluctance machines: switch reluctance machine rotor magnetic pole is different from the relative position of each phase of stator, the inductance of each phase winding is also different, synchronization is added in each non-power and exports identical voltage and duration on the winding of phase, can produce Weak current in each phase, non-power output current phase detection module detects the value of each phase current;
(6) the position step of estimation switch reluctance machine rotor: position estimation is obtained the real time position of switch reluctance machine rotor according to the magnitude estimation of this each non-power output current phase of moment;
(7) motor rotor position information is sent to the control circuit module step of switched reluctance motor controller: position estimation sends to control circuit module by the real-time position information of rotor, the combination of control circuit module, from the instruction of vehicle control device, is determined conversion and the open and close moment of power stage phase and non-power output phase;
(8) rotating speed of compute switch reluctance motor and rotary acceleration step: rotating speed/rotary acceleration is calculated module and changed size according to the position angle of each set time internal rotor, calculate the rotating speed of motor, calculate the variation of each adjacent set time rotating speed, obtain the rotary acceleration of motor;
(9) rotating speed of switched reluctance machines and rotary acceleration information are sent to vehicle control device step: rotating speed/rotary acceleration calculates module and sends in real time the rotating speed of motor and rotary acceleration information to vehicle control device.
6. the control method of switched reluctance motor controller according to claim 5, it is characterized in that, in step (1), the control circuit module of switched reluctance motor controller receives after the instruction from vehicle control device, the power stage indication LED light-emitting diode of illuminating state display module; When each phase current surpasses threshold limit value, light current limliting indication LED light-emitting diode.
7. the control method of switched reluctance motor controller according to claim 5; it is characterized in that; in step (2); after each switching tube of power conversion module controls power circuit converts power stage; the current information of power current detection module detection power output phase; and the current detecting information of power stage phase is sent to control circuit module, realize the current-limiting protection to power circuit.
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| CN201410354580.4A CN104092416B (en) | 2014-07-24 | 2014-07-24 | Switched reluctance motor controller and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105450115A (en) * | 2016-01-05 | 2016-03-30 | 南通大学 | Multi-agent energy management device and method for switched reluctance wind generator set |
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| JP2003299383A (en) * | 2002-03-29 | 2003-10-17 | Dana Corp | Method and device of controlling switched reluctance motor |
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| US6078161A (en) * | 1997-03-20 | 2000-06-20 | Samsung Electronics Co., Ltd. | Current control apparatus in a switched reluctance motor |
| JP2003299383A (en) * | 2002-03-29 | 2003-10-17 | Dana Corp | Method and device of controlling switched reluctance motor |
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| CN105450115A (en) * | 2016-01-05 | 2016-03-30 | 南通大学 | Multi-agent energy management device and method for switched reluctance wind generator set |
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| CN104092416B (en) | 2017-02-08 |
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