CN105007007A - Two-phase switch reluctance motor controller and control method thereof - Google Patents
Two-phase switch reluctance motor controller and control method thereof Download PDFInfo
- Publication number
- CN105007007A CN105007007A CN201510512031.XA CN201510512031A CN105007007A CN 105007007 A CN105007007 A CN 105007007A CN 201510512031 A CN201510512031 A CN 201510512031A CN 105007007 A CN105007007 A CN 105007007A
- Authority
- CN
- China
- Prior art keywords
- state
- current
- motor
- module
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 238000004804 winding Methods 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000033228 biological regulation Effects 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 13
- 239000000203 mixture Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Control Of Electric Motors In General (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The present invention discloses a two-phase switch reluctance motor controller and a control method thereof. The controller comprises a power module, a logic control module, a detection module, a power supply module and a drive module. The power supply module converts high voltage direct current generated by the power module into low voltage direct current needed by the logic control module, the detection module and the drive module. The operation state of the logic control module is set to be a pre-start state, a start state, a running state and an overcurrent state. In the condition of operation state, the logic control module outputs different control signals according to different motor rotation speeds, and the control signals control the operation of a two-phase switch reluctance motor through the driving module. The two-phase switch reluctance motor controller has the advantages that the motor operation state controls a zero speed running state, a low speed running state and a high speed running state, different speed calculation modes and different control modes are used in different states such that the motor operation and output is stable and reliable.
Description
Technical field
The present invention relates to controller technology field, be specifically related to a kind of two-phase switched reluctance motor controller and control method thereof.
Background technology
Electric angle grinder electricity consumption is confidential asks that rotating speed is high, power is large, volume is little, usually adopts series excited machine.Series excited motor rotor there is winding, adopts carbon brush structure, easily wear and tear, frequently must change carbon brush, making troubles for using.Switched reluctance machines structure is simple, firm, and rotor only has silicon steel sheet, and do not have winding and permanent magnet, reliability is high, the efficiency that equal tool is higher in the rotating speed and power bracket of broadness.Switched reluctance machines is electro-mechanical system, and the controller of necessary design specialized, this adds cost to a certain extent, but series excited machine often will change carbon brush, and in the long term, switched reluctance motor system has certain cost advantage.
Existing switched reluctance motor controller adopts the insulating power supply of isolation transformer type to power supplies such as control circuits, and the driving of each upper brachium pontis power switch pipe is by respective independently Power supply, traditional Current cut control is adopted during motor low cruise, need the current detection circuit of accurately band isolation, insulating power supply volume takies larger, cost is higher, and needed for current detection circuit, detection chip cost is higher, and the cost of controller limits the application of switched reluctance machines to a certain extent.
Summary of the invention
Object of the present invention is exactly to solve the problem, propose a kind of two-phase switched reluctance motor controller and control method thereof, realize the long-term safety of two-phase switched reluctance machines, reliable, stable operation, substitute original electric angle grinder series excited machine, reduce production cost.
To achieve these goals, the present invention adopts following technical scheme:
A kind of two-phase switched reluctance motor controller, comprising: power model, Logic control module, detection module, power module and driver module;
Described power model is connected with power module, and Logic control module is connected respectively with detection module and driver module;
Described power module converts the high voltage direct current that power model produces to low-voltage DC needed for Logic control module, detection module and driver module;
The running status of Logic control module is set as pre-actuated state, starting state, running status and over-current state respectively; In running status situation, Logic control module, according to the input signal of detection module, exports different control signals, and described control signal is by driver module control switch pipe and then the operation driving two-phase switched reluctance machines.
Described power model comprises: the rectification circuit connected successively, capacitor charging current-limiting circuit, filter circuit and asymmetrical half-bridge circuit for power conversion, realizes exchanging being converted to direct current also to the effect of motor with other module for power supply;
Described rectification circuit is full bridge rectifier, and capacitor charging current-limiting circuit is two current-limiting resistances be connected in series, and filter circuit is filter capacitor, and asymmetrical half-bridge circuit for power conversion comprises:
Diode series controlled tr tube composition series arm one, resistance is connected controlled tr tube and diode composition series arm two successively, and described series arm one and series arm two are connected in parallel composition parallel branch, and two described parallel branches are connected in parallel.
Described Logic control module comprises control chip and peripheral minimum circuit, realizes detection signal input processing, and control signal exports thus controls the function normally run of motor.This control chip need possess following input and output pin: overcurrent input interrupt pin 1, position signalling interrupting input pin 2, Control pin 1, low and high level output pin 2, PWM output pin 2, amount to 9 pin chips, namely this system can control the function of two-phase switched reluctance machines by 8 chip microcontroller.
Described detection module comprises: current detection circuit and rotor position detection circuit, detects the effect of machine winding current and rotor-position;
Described current detection circuit comprises: comparator, diode D1, diode D2, electric capacity C1 and resistance R5;
Compare respectively by comparator and upper current limit value after the sampling of motor biphase current, the output valve of comparator exports respectively through merging into a signal after diode D1 and diode D2; One end of electric capacity C1 is connected with the output of diode D1, other end ground connection; One end of resistance R5 is connected with the output of diode D2, other end ground connection.
Described rotor position detection circuit comprises: first exports clamp circuit, second exports clamp circuit, the first Hall element and the second Hall element;
The control signal that Logic control module exports exports clamp circuit and second respectively through first and exports clamp circuit ground connection later;
One end and second of resistance R48 exports clamp circuit and is connected, and the other end connects the second Hall element;
One end and first of resistance R49 exports clamp circuit and is connected, and the other end connects the first Hall element;
After resistance R44 and resistance R45 connects, one end is connected between resistance R48 and the second Hall element, and the other end is connected between resistance R49 and the first Hall element.
Described driver module comprises: PWM, SD control signal that Logic control module exports exports clamp circuit respectively through output and is connected with driving chip, and driving chip drives controlled tr tube according to the control signal received.
Described output clamp circuit comprises the diode that two series aiding connections connect.
Described power model, Logic control module, detection module and driver module power supply used is that DC chopped-wave formula power supply chip carries out DC chopped-wave supply, does not have electrical isolation.
A control method for two-phase switched reluctance motor controller, comprising:
The running status of motor logic control module is set as pre-actuated state, starting state, running status and over-current state respectively; In running status situation, motor operating state, according to the difference of motor speed, is set in zero-speed state, lower-speed state and high-speed cruising state by Logic control module; Carry out difference to different rotating speeds to control, specifically comprise:
Under zero-speed state, reflected the relative position of electric machine rotor by Hall state, determine to be energized mutually to a certain of motor, conduction time is fixed, and the large as far as possible torque of motor is started, when after electric motor starting, enters low-speed run state.
Under lower-speed state, inlet highway voltage is known, after detecting motor speed, known motor maximum operating currenbt (providing during design of electrical motor) and rotating speed, pass through motor characteristic, the maximum voltage value of motor under this maximum current and rotating speed can be determined, the ratio that duty ratio is maximum voltage value under this rotating speed and bus voltage value and be not more than 1, thus can duty ratio be determined, thus make motor ensure that motor output torque is maximum under not overcurrent condition, under lower-speed state, open the pass angle of rupture and determined by the change of hall signal.
At high speeds, the normal working speed of given motor, described working speed carries out rotational speed regulation with after the motor speed detected by Hall element, forms motor speed outer shroud and controls;
Current of electric under determining current rotating speed and under current duty cycle, carry out current inner loop to control namely first to judge whether present current value reaches the maximum current of current rotating speed, if exceed the maximum current of current rotating speed, reduce duty ratio, if do not reach the maximum current of current rotating speed, increase duty ratio, the increase of duty ratio or the number of reduction are regulated by current regulator (pi regulator), and to limit the maximum output of duty ratio be 1, minimum output is 0.Now thus determine motor duty ratio, open and close the angle of rupture by rotational speed regulation, open when entering high speed close the angle of rupture comparatively low speed time in advance, wherein turn-on angle shifts to an earlier date the electrical degree of 45 degree, closes the electrical degree that the angle of rupture shifts to an earlier date 90 degree, is realized by the timer of control chip;
The pre-actuated state of motor logic control module, starting state, running status and over-current state are specially:
Logic control module access power frequency supply, after filter circuit voltage reaches the operating voltage of switching power source chip, the operating voltage of the control chip of Switching Power Supply output logic control module, control chip enters electrification reset state, and after resetting, control chip enters pre-actuated state;
The adhesive of control chip control relay, pre-actuated state terminates to enter starting state;
At starting state, when the non-vanishing speed of motor speed, starting state terminates, and enters running status;
In motor biphase current, as long as there is a phase overcurrent to produce, just export overcurrent signal to control chip, control chip enters overcurrent condition, in over-current state, all switching tubes turn off by control chip, PWM duty cycle limit definite value is set to zero, and now motor does not have power supply to input, and each phase current can reduce gradually, after keeping this state 2S, 2S, system reenters pre-actuated state.
Beneficial effect of the present invention is:
(1) adopt two-phase switched reluctance machines to replace angle grinding machine series excited machine, non-maintaining, cost is low;
(2) adopt two phase structure, decrease the quantity of controller power switch pipe, reduce cost;
(3) controller power source is realized by DC chopped-wave, does not have isolating transformer, and volume is little, and structure is simple, and cost is low.
(4) controller electric current two phase sampler, synthesizes a road overcurrent interrupting input signal, reduces controller resource, ensures that system safety is reliable;
(5) adopt system mode to control, system safety is stablized; Motor speed grading control, carries out difference to different rotating speeds and controls, realize motor safety reliability service;
(6) by motor characteristic, determine PWM duty ratio maximum by motor speed, ensure that motor output torque maximizes the requirement simultaneously meeting not overcurrent, make motor reliable, reduce external detection device.
(7) in order to reduce costs, controller adopts the method for fractional hardware circuitry software, improves product competitiveness.
Accompanying drawing explanation
Fig. 1 is a kind of two-phase switched reluctance motor controller power main circuit of the present invention and control relay circuit structural principle schematic diagram;
Fig. 2 is a kind of two-phase switched reluctance motor controller power tube drive circuit structural principle schematic diagram of the present invention;
Fig. 3 is that a kind of two-phase switched reluctance motor controller of the present invention controls and testing circuit power supply theory structure schematic diagram;
Fig. 4 is the theory structure schematic diagram of the Hall testing circuit that a kind of two-phase switched reluctance motor controller of the present invention detects for rotor-position;
Fig. 5 is a kind of two-phase switched reluctance motor controller current detecting theory structure schematic diagram of the present invention;
Fig. 6 is the control structure block diagram of a kind of two-phase switch reluctance motor control method of the present invention;
The two-phase switched reluctance machines structural representation of Fig. 7 to be rotor tooth of the present invention be 8/4 structure;
Fig. 8 is a kind of two-phase switched reluctance motor controller hall signal schematic diagram of the present invention;
Fig. 9 is the motor status switch condition schematic diagram of a kind of two-phase switch reluctance motor control method of the present invention;
Figure 10 is that a kind of two-phase switch reluctance motor control method of the present invention is at motor control mode schematic diagram under zero-speed state;
Figure 11 is motor control mode schematic diagram under lower-speed state of a kind of two-phase switch reluctance motor control method of the present invention;
Figure 12 is the motor control mode schematic diagram at high speeds of a kind of two-phase switch reluctance motor control method of the present invention;
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
A kind of two-phase switched reluctance motor controller, comprising: power model, Logic control module, detection module, power module and driver module; Power model is connected with power module, and Logic control module is connected respectively with detection module and driver module; Power module converts the high voltage direct current that power model produces to low-voltage DC needed for Logic control module, detection module and driver module;
Power model realizes motor power supply, and described power module converts the high voltage direct current that power model produces to low-voltage DC needed for Logic control module, detection module and driver module; Motor rotor position and current of electric detected value are passed to Logic control module by detection module, and Logic control module outputs signal to driver module, and driver module according to the power switch pipe of logic control signal driving power module, thus carrys out drive motors operation.
Two-phase switched reluctance motor controller power model main circuit structure is simple, is inputted, produce bus direct voltage after rectifying and wave-filtering by industrial frequency AC, and supply motor controller uses.
The power model main circuit of controller shown in Fig. 1 and relay (JLK1) control circuit, during indirect current, charge to electric capacity (C7) through resistance after rectification, capacitance voltage progressively rises, when busbar voltage reaches switching power source chip operating voltage, control chip is started working.
Power model comprises: the rectification circuit connected successively, capacitor charging current-limiting circuit, filter circuit and asymmetrical half-bridge circuit for power conversion, realizes exchanging being converted to direct current also to the effect of motor with other module for power supply;
Rectification circuit is full bridge rectifier, capacitor charging current-limiting circuit is two current-limiting resistances be connected in series, filter circuit is filter capacitor, asymmetrical half-bridge circuit for power conversion comprises: fly-wheel diode series connection controlled tr tube composition series arm one, sampling resistor connect successively controlled tr tube and fly-wheel diode composition series arm two, described series arm one is connected in parallel composition parallel branch with series arm two, and two described parallel branches are connected in parallel.
PV1, PV2 shown in Fig. 1 are power frequency supply input interface, Q1, Q2, Q3, Q4 are controlled tr tube, Q1, Q2 are the two-phase switch on the bridge pipes of two-phase induction motor, Q3, Q4 are the two-phase bridge switch pipes of two-phase induction motor, Q1, Q3 control a phase winding of motor, Q2, Q4 control another phase winding of motor, and electric current when being conducted gets back to power supply from power supply through switch on the bridge pipe, motor winding, bridge switch pipe, thus forms loop.R6, R7 are sampling resistor, take the electric current of motor two phase winding respectively.D2-1, D3-1, D6-1, D7-1 are motor winding afterflow diode respectively.
Figure 2 shows that the drive circuit of the power controlled tr tube of two-phase switched reluctance motor controller, the control signal PWM, the SD that export from control chip act on controlled tr tube by driving chip.In order to prevent switching tube from opening the interference turned off control chip, adopting D8, D11 diode to carry out control signal and exporting clamper, ensure that the signal exported is in the voltage range that control chip works.In figure, U5 is driving chip, and driving chip, according to control signal outputting drive voltage, is upper bridge drive end, lower bridge drive end respectively.Upper bridge drive end, lower bridge drive end control switch on the bridge pipe and the bridge switch pipe of a phase winding respectively, can be controlled each phase current of motor by switching tube.
Figure 3 shows that two-phase switched reluctance motor controller system power supply power supply, this power acquisition busbar voltage, form chopper circuit by DC switch chip and be depressured to required voltage, the mode adopting non-electrical to isolate with controller power model main circuit, simplify controller driving power structure, that the switching power source chip in figure adopts is LNK306.
Fig. 4, Figure 5 shows that controller testing circuit, Fig. 4 is rotor testing circuit, and rotor testing circuit adopts two Hall elements, detection rotor direction of rotation while detection rotor position.Figure 5 shows that each phase current protective circuit of motor; the electric current respectively detected mutually by motor and upper current limit value compare; as long as there is a phase overcurrent just to export overcurrent signal to control chip; biphase current detection signal does not interfere with each other, and by diode D1, D2, C1, R5, two-phase overcurrent signal is merged into a signal and exports.A kind of two-phase switched reluctance motor controller hardware configuration is simple, and detection module and power module are simplified greatly.Hardware cost effectively reduces.
Figure 6 shows that two-phase switch reluctance motor control method FB(flow block), after controller access power frequency supply, after filter capacitor voltage reaches the operating voltage of switching power source chip, Switching Power Supply o controller chip operating voltage, controller enters electrification reset state, after resetting, control chip enters pre-actuated state, wait for 0.1s under pre-actuated state after, the adhesive of control chip control relay, pre-actuated state terminates to enter starting state, at starting state, mainly solve electric motor starting problem, first motor operating state is defined as zero-speed state, according to Rotating speed measring, when the non-vanishing speed of rotating speed, starting state terminates, enter running status, when running status, according to motor speed and output needs, carry out different control modes.
Fig. 7, Figure 8 shows that a kind of rotor tooth is two-phase switched reluctance machines structure and the Hall detection signal thereof of 8/4 structure.Motor operating structure figure, alternate annulus represents the magnet ring be fixed on rotor, represents the opposed polarity of annulus outward flange magnetic pole respectively.
When motor runs, magnet ring runs with rotor, and the Hall element reaction magnetic ring on stator exports low and high level, reflects rotor-position.The mechanical angle (K is integer) of two hall position difference 22.5 ± K*45 degree.The hall signal cycle is the mechanical angle of 90 degree.Two hall signals form the square-wave signal of mutual deviation 90 degree of phase places, form 4 states, and diagram motor direction of rotation is clockwise direction, forms different sequence of states according to motor speed direction, performs corresponding operation according to state.
Hall orientation mode is: be energized to the A phase winding of two-phase switched reluctance machines, rotor is fixed position due to magnetic pull, Hall element is fixed on stator, magnet ring on the direction rotor that rotor normally runs, now rotor due to magnetic pull keep motionless, the signal of Hall element 1 is made when low level becomes high level, to be just the fixing position of magnet ring, motor commutation point when this position is also low speed.
When zero-speed, direct reading Hall state determines the conducting of A, B phase, when low speed, by entering Hall interrupt, the turn-on and turn-off that Hall state decides A, B phase are read in Hall interrupt program, when zero-speed and low speed, Hall element 1 is energized to A phase when low level, is energized to B phase when high level.
When high speed, Negotiation speed and hall signal calculate A, B and turn on and off angle, and each phase turn-on angle shifts to an earlier date 11.25 degree of mechanical angles (electrical degrees of 45 degree), the mechanical angle that conducting is 33.75 degree; Be implemented as follows, when Hall state becomes 3: logic control chip is by known speed timing A phase on time.When Hall state becomes 2: by program, logic control chip guarantees that B phase has turned off A phase open-minded, the timing A phase turn-off time simultaneously.When Hall state becomes 0, logic control chip is conducted the angle time by known speed timing B.When Hall state becomes 1: by program, logic control chip guarantees that A phase has turned off B phase open-minded, the timing B phase turn-off time simultaneously.
Wherein, when Hall state is 0, represent that Hall element 1 and Hall element 2 are all in low level state; When Hall state is 1, represent that Hall element 1 is in high level state, Hall element 2 is in low level state; When Hall state is 2, represent that Hall element 1 is in low level state, Hall element 2 is in high level state; When Hall state is 3, represent that Hall element 1 and Hall element 2 are all in high level state.
Figure 9 shows that the speed state transition diagram of two-phase switch reluctance motor control method, wherein conversion speed point r is needed to determine by motor characteristic and control, can change in a program.Be illustrated as the rotating speed transformational structure point that a kind of rotor tooth is the two-phase switched reluctance machines of 8/4 structure.From zero-speed to low speed, from low speed to high speed conversion speed point be respectively 139rpm and 3750rpm.From low speed to zero-speed, from being respectively 125rpm and 1500rpm to low speed conversion speed point at a high speed.
Figure 10 shows that the Electric Machine Control schematic flow sheet under zero-speed state, under zero-speed, determine to be energized mutually to motor difference according to reading Hall state, conduction time is fixed, and the large as far as possible torque of motor is started, when after electric motor starting, enters low-speed run state.
Figure 11 shows that the Electric Machine Control schematic flow sheet under lower-speed state, ensure that motor output torque reaches maximum under the low speed, inlet highway voltage is known, after detecting motor speed, known motor maximum operating currenbt (providing during design of electrical motor) and rotating speed, pass through motor characteristic, the maximum voltage value of motor under this maximum current and rotating speed can be determined, the ratio that duty ratio is maximum voltage value under this rotating speed and bus voltage value and be not more than 1, thus can duty ratio be determined, thus make motor ensure that motor output torque is maximum under not overcurrent condition, under lower-speed state, open the pass angle of rupture to be determined by the change of hall signal.
Figure 12 shows that the Electric Machine Control schematic flow sheet under fast state, at high speeds, the normal working speed of given motor, described working speed carries out rotational speed regulation with after the motor speed detected by Hall element, forms motor speed outer shroud and controls;
Current of electric under determining current rotating speed and under current duty cycle, carry out current inner loop control, that is: first judge whether present current value reaches the maximum current of current rotating speed, if exceed the maximum current of current rotating speed, reduce duty ratio, if do not reach the maximum current of current rotating speed, increase duty ratio, the increase of duty ratio or reduction number regulated by current regulator (pi regulator), and to limit the maximum output of duty ratio be 1, and minimum output is 0.Thus determine motor duty ratio, open and close the angle of rupture by rotational speed regulation, open when entering high speed close the angle of rupture comparatively low speed time in advance, wherein turn-on angle shifts to an earlier date the electrical degree of 45 degree, closes the electrical degree that the angle of rupture shifts to an earlier date 90 degree, is realized by the timer of control chip; Motor stabilizing is run, the method reduces the current sample module of motor, simplify hardware circuit, make fractional hardware circuitry software.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1. a two-phase switched reluctance motor controller, is characterized in that, comprising: power model, Logic control module, detection module, power module and driver module;
Described power model is connected with power module, and Logic control module is connected respectively with detection module and driver module;
Described power module converts the high voltage direct current that power model produces to low-voltage DC needed for Logic control module, detection module and driver module;
The running status of Logic control module is set as pre-actuated state, starting state, running status and over-current state respectively; In running status situation, Logic control module, according to the input signal of detection module, exports different control signals, and described control signal is by driver module control switch pipe and then the operation driving two-phase switched reluctance machines.
2. a kind of two-phase switched reluctance motor controller as claimed in claim 1, is characterized in that, described power model is used for alternating current to be converted to direct current; Power model comprises: the rectification circuit connected successively, capacitor charging current-limiting circuit, filter circuit and asymmetrical half-bridge circuit for power conversion; Described capacitor charging current-limiting circuit and relay are connected in parallel.
3. a kind of two-phase switched reluctance motor controller as claimed in claim 1, it is characterized in that, described detection module comprises: current detection circuit and rotor position detection circuit, is respectively used to detect machine winding current and motor rotor position;
Described current detection circuit comprises: comparator, diode D1, diode D2, electric capacity C1 and resistance R5;
Compare respectively by comparator and upper current limit value after the sampling of motor biphase current, the output valve of comparator exports respectively through merging into a signal after diode D1 and diode D2; One end of electric capacity C1 is connected with the output of diode D1, other end ground connection; One end of resistance R5 is connected with the output of diode D2, other end ground connection.
4. a kind of two-phase switched reluctance motor controller as claimed in claim 3, it is characterized in that, described rotor position detection circuit comprises: first exports clamp circuit, second exports clamp circuit, the first Hall element and the second Hall element;
The control signal that Logic control module exports exports clamp circuit and second respectively through first and exports clamp circuit ground connection later;
One end and second of resistance R48 exports clamp circuit and is connected, and the other end connects the second Hall element;
One end and first of resistance R49 exports clamp circuit and is connected, and the other end connects the first Hall element;
After resistance R44 and resistance R45 connects, one end is connected between resistance R48 and the second Hall element, and the other end is connected between resistance R49 and the first Hall element.
5. a kind of two-phase switched reluctance motor controller as claimed in claim 1, it is characterized in that, described driver module comprises: PWM, SD control signal that Logic control module exports exports clamp circuit respectively through output and is connected with driving chip, and driving chip drives controlled tr tube according to the control signal received.
6. a kind of two-phase switched reluctance motor controller as claimed in claim 5, is characterized in that, described output clamp circuit comprises the diode that two series aiding connections connect.
7. a kind of two-phase switched reluctance motor controller as claimed in claim 1, it is characterized in that, described power model, Logic control module, detection module and driver module power supply used is that DC chopped-wave formula power supply chip carries out DC chopped-wave supply, does not have electrical isolation.
8. a control method for two-phase switched reluctance motor controller as claimed in claim 1, is characterized in that, comprising:
The running status of motor logic control module is set as pre-actuated state, starting state, running status and over-current state respectively; In running status situation, motor operating state, according to the difference of motor speed, is set in zero-speed state, lower-speed state and high-speed cruising state by Logic control module; Carry out difference to different rotating speeds to control, specifically comprise:
Under zero-speed state, determine to be energized mutually to a certain of motor according to the relative position of electric machine rotor, conduction time is fixed, and the large as far as possible torque of motor is started, when after electric motor starting, enters low-speed run state;
Under lower-speed state, after detecting motor speed, determine the maximum voltage value of motor under this maximum current and rotating speed, according to described maximum voltage value and inlet highway magnitude of voltage, determine duty ratio, make motor ensure that motor output torque is maximum under not overcurrent condition;
At high speeds, the normal working speed of given motor, described working speed carries out rotational speed regulation with after the motor speed detected by Hall element, forms motor speed outer shroud and controls; Current of electric under determining this rotating speed respectively and under current duty cycle, carries out current inner loop control, determines motor duty ratio and opens the pass angle of rupture.
9. the control method of a kind of two-phase switched reluctance motor controller as claimed in claim 8, it is characterized in that, when carrying out current inner loop control, first judge whether present current value reaches the maximum current of current rotating speed, if exceed the maximum current of current rotating speed, reduce duty ratio, if do not reach the maximum current of current rotating speed, increase duty ratio, duty ratio increase or reduce number regulated by pi regulator, and to limit the maximum output of duty ratio be 1, minimum output is 0;
Open and close the angle of rupture by rotational speed regulation, open when entering fast state close the angle of rupture comparatively lower-speed state time in advance, wherein turn-on angle shifts to an earlier date the electrical degree of 45 degree, closes the electrical degree that the angle of rupture shifts to an earlier date 90 degree.
10. the control method of a kind of two-phase switched reluctance motor controller as claimed in claim 8, is characterized in that, the pre-actuated state of motor logic control module, starting state, running status and over-current state are specially:
Logic control module access power frequency supply, after filter circuit voltage reaches the operating voltage of switching power source chip, the operating voltage of the control chip of Switching Power Supply output logic control module, control chip enters electrification reset state, and after resetting, control chip enters pre-actuated state;
The adhesive of control chip control relay, pre-actuated state terminates to enter starting state;
At starting state, when the non-vanishing speed of motor speed, starting state terminates, and enters running status;
In motor biphase current, as long as there is a phase overcurrent to produce, just export overcurrent signal to Logic control module, Logic control module enters overcurrent condition; In over-current state, turned off by all switching tubes, PWM duty cycle limit definite value is set to zero, and now motor does not have power supply to input, and each phase current can reduce gradually, and after keeping this state setting-up time, system reenters pre-actuated state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512031.XA CN105007007B (en) | 2015-08-18 | 2015-08-18 | A kind of control method of two-phase switched reluctance motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512031.XA CN105007007B (en) | 2015-08-18 | 2015-08-18 | A kind of control method of two-phase switched reluctance motor controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105007007A true CN105007007A (en) | 2015-10-28 |
| CN105007007B CN105007007B (en) | 2017-10-10 |
Family
ID=54379558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510512031.XA Expired - Fee Related CN105007007B (en) | 2015-08-18 | 2015-08-18 | A kind of control method of two-phase switched reluctance motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105007007B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978418A (en) * | 2016-05-06 | 2016-09-28 | 江苏科技大学 | Phase sequence detection method and detection device for three-phase winding of brushless DC motor |
| CN107046388A (en) * | 2017-03-07 | 2017-08-15 | 湖南大学 | A kind of switched reluctance machines curren tracing control method, controller and governing system |
| CN107846170A (en) * | 2017-11-27 | 2018-03-27 | 山东科汇电力自动化股份有限公司 | A kind of control method of the position-less sensor of switched reluctance motor of double sampled point |
| CN109742982A (en) * | 2019-02-01 | 2019-05-10 | 山东省科学院自动化研究所 | A kind of the limit Poewr control method and controller of power adjustable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102793480A (en) * | 2011-05-26 | 2012-11-28 | 广东德豪润达电气股份有限公司 | Toaster |
| KR20120131003A (en) * | 2011-05-24 | 2012-12-04 | 원광대학교산학협력단 | drive circle of two-phase SRM |
| JP2014135848A (en) * | 2013-01-10 | 2014-07-24 | Kobe Steel Ltd | Motor drive device and motor drive system |
| CN104579095A (en) * | 2013-10-16 | 2015-04-29 | 三星电机株式会社 | Motor acceleration apparatus and method |
| CN205004974U (en) * | 2015-08-18 | 2016-01-27 | 山东省科学院自动化研究所 | Double -phase switched reluctance motor controller |
-
2015
- 2015-08-18 CN CN201510512031.XA patent/CN105007007B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120131003A (en) * | 2011-05-24 | 2012-12-04 | 원광대학교산학협력단 | drive circle of two-phase SRM |
| CN102793480A (en) * | 2011-05-26 | 2012-11-28 | 广东德豪润达电气股份有限公司 | Toaster |
| JP2014135848A (en) * | 2013-01-10 | 2014-07-24 | Kobe Steel Ltd | Motor drive device and motor drive system |
| CN104579095A (en) * | 2013-10-16 | 2015-04-29 | 三星电机株式会社 | Motor acceleration apparatus and method |
| CN205004974U (en) * | 2015-08-18 | 2016-01-27 | 山东省科学院自动化研究所 | Double -phase switched reluctance motor controller |
Non-Patent Citations (3)
| Title |
|---|
| 丁伟东: "两相4/2极高速开关磁阻电机设计及其噪声振动的抑制", 《中国优秀硕士学位论文全文数据库-工程科技Ⅱ辑》 * |
| 杜金祥 等: "基于C8051F330的电动止逆阀设计", 《科技与创新》 * |
| 鲁浩: "基于开关磁阻电机伺服***的电梯曳引控制研究", 《中国优秀硕士学位论文全文数据库-工程科技Ⅱ辑》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978418A (en) * | 2016-05-06 | 2016-09-28 | 江苏科技大学 | Phase sequence detection method and detection device for three-phase winding of brushless DC motor |
| CN105978418B (en) * | 2016-05-06 | 2018-11-09 | 江苏曼淇威电气产品有限公司 | A kind of detection method and detection device of brshless DC motor three-phase windings phase sequence |
| CN107046388A (en) * | 2017-03-07 | 2017-08-15 | 湖南大学 | A kind of switched reluctance machines curren tracing control method, controller and governing system |
| CN107046388B (en) * | 2017-03-07 | 2019-08-30 | 湖南大学 | A kind of switched reluctance machines curren tracing control method, controller and speed-regulating system |
| CN107846170A (en) * | 2017-11-27 | 2018-03-27 | 山东科汇电力自动化股份有限公司 | A kind of control method of the position-less sensor of switched reluctance motor of double sampled point |
| CN107846170B (en) * | 2017-11-27 | 2020-06-09 | 山东科汇电力自动化股份有限公司 | Control method of double-sampling-point switched reluctance motor position-sensorless |
| CN109742982A (en) * | 2019-02-01 | 2019-05-10 | 山东省科学院自动化研究所 | A kind of the limit Poewr control method and controller of power adjustable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105007007B (en) | 2017-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102004224B (en) | Three-phase motor phase failure detection system and detection method thereof | |
| Su et al. | Low-cost sensorless control of brushless DC motors with improved speed range | |
| CN103018541B (en) | Brshless DC motor back-emf zero cross detection circuit and detection method | |
| CN103731076B (en) | A kind of control method of electric bicycle based on permanent-magnet brushless DC electric machine | |
| CN102290790B (en) | Fault detecting and protective circuit of brushless direct current motor | |
| CN101841291B (en) | Method for controlling direct current brushless motor | |
| CN201383787Y (en) | Controller of brushless direct current motor | |
| CN104718695B (en) | Power inverter and its control method | |
| CN106533280B (en) | Using the Brush-Less DC motor control circuit of position-sensor-free | |
| CN102111102A (en) | Power generator with improved controllability of phase of phase current | |
| CN104579110A (en) | Variable-frequency speed regulation system and method of high-speed permanent magnet motor | |
| CN102291068B (en) | Control method for four-quadrant switched reluctance motor without position sensor | |
| GB2538394A (en) | Method and device for acquiring rotor position based on permanent magnet synchronous drive system | |
| CN105680742A (en) | Sensorless rotor position identification system and method for brushless direct current motor | |
| CN204013310U (en) | Brushless dual-feed motor direct Torque Control | |
| CN105007007A (en) | Two-phase switch reluctance motor controller and control method thereof | |
| CN203675020U (en) | Hand dryer brushless motor controller without position sensor | |
| CN109495030A (en) | Permanent magnet synchronous motor rotating-speed tracking method, equipment and computer readable storage medium | |
| CN102474209A (en) | Power-consumption calculating method of motor driving device, and control method of motor driving device using the power-consumption calculating method | |
| CN105939134B (en) | Biswitch reluctance motor operation control system based on the driving of single power inverter | |
| CN103684123A (en) | Motor control device and motor control method | |
| CN102005993B (en) | Method and device for controlling permanent magnet direct current brushless without hall motor | |
| CN205004974U (en) | Double -phase switched reluctance motor controller | |
| CN201315560Y (en) | Direct current brushless motor driving device | |
| CN110311619B (en) | Motor control circuit and electric automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171010 |