CN103441713B - Method for adjusting switch-on angle and switch-off angle of switched reluctance motor - Google Patents
Method for adjusting switch-on angle and switch-off angle of switched reluctance motor Download PDFInfo
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- CN103441713B CN103441713B CN201310396401.9A CN201310396401A CN103441713B CN 103441713 B CN103441713 B CN 103441713B CN 201310396401 A CN201310396401 A CN 201310396401A CN 103441713 B CN103441713 B CN 103441713B
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Abstract
The invention discloses a switch-on angle and switch-off angle adjusting method for a switched reluctance motor. In excitation, flow-continuing and flow-returning working periods of the switched reluctance motor, currents and voltages of the three periods are measured and transmistted to a single-chip microcomputer; an energy recovery efficiency is calculated through the single-chip microcomputer; the energy recovery efficiency is compared with an optimal-parameter table stored in the single-chip microcomputer; and according to the comparison result, switch-on and switch-off angles are adjusted through a drive circuit so that the energy recovery efficiency is approximate to the maximum energy recovery efficiency. The switch-on angle and switch-off angle adjusting method for the switched reluctance motor is high in practicality so that the motor is enabled to reach the maximum energy recovery efficiency at a significantly high speed.
Description
Technical field
The invention belongs to Motor Control Field, relate to a kind of method of control switch reluctance motor turn-on angle and the pass angle of rupture.
Background technology
Switched reluctance machines structure simple rigid, reliable operation, efficiency is high, the driving system for switched reluctance be made up of it, compared with traditional AC_DC electric drive system, has many advantages, as: starting torque is large, low-speed performance is good, the impulse current phenomenon that influence electricity motivation occurs when starting; Speed-regulating range width, controls flexibly, conveniently to realize four quadrant running, have stronger regeneration braking capacity, all have high efficiency, be conducive to saving energy and reduce the cost in the rotating speed and power bracket of broadness; High rotating speed can be worked in; Can phase-deficient operation, fault-tolerant ability is strong.At present, switched reluctance machines has obtained some effects in the application that military and civilian is industrial, but also there are some problems and need to be researched and solved further, mainly contains that rotor-position detects, the actualizing technology etc. of control method.
The current course continuation mileage of battery of switched reluctance machines is little, battery utilance is not high, there be limited evidence currently of pays close attention to the energy regenerating of refluxing stage, generally this part energy dissipation is fallen, or have this part energy of recovery, open, close the angle of rupture and automatically can not adapt to varying environment, this situation energy recovery efficiency is low.
Summary of the invention
Technical problem: the invention provides a kind of structure simple, the method for by-pass cock reluctance motor turn-on angle with low cost and the pass angle of rupture.
Technical scheme: the method for by-pass cock reluctance motor turn-on angle of the present invention and the pass angle of rupture, comprises the following steps:
1) current/voltage testing circuit gathers electric current initial value, the voltage initial value of excitation stage, freewheeling period and refluxing stage, and send current/voltage feedback interface circuit to, current/voltage feedback interface circuit sends single-chip microcomputer to electric current, voltage initial value to after carrying out filtering process, Hall element in position feedback interface circuit gathers the rotating speed of motor, simultaneously according to motor model estimation load, and rotating speed and load are sent to single-chip microcomputer;
2) excitation stage power P asked for respectively by single-chip microcomputer
1, freewheeling period power P
2with refluxing stage power P
3, and try to achieve the power sum P of excitation stage and freewheeling period
add=P
1+ P
2, calculate energy recovery efficiency
3) single-chip microcomputer is by step 2) energy recovery efficiency that the calculates ceiling capacity organic efficiency Emax corresponding with stored Optimal Parameters table medium speed and load compare, Optimal Parameters table is that Matlab-simulink emulates the Optimal Parameters table obtained, the optimum turn-on angle under various load and rotating speed is stored in Optimal Parameters table, close the ceiling capacity organic efficiency of the angle of rupture and correspondence, if E=Emax, then do not regulate, if E<Emax, then the turn-on angle corresponding to the ceiling capacity organic efficiency Emax stored in Optimal Parameters table and the pass angle of rupture are passed to drive circuit, by drive circuit, the turn-on angle of motor and the pass angle of rupture are adjusted to the turn-on angle in Optimal Parameters table and close the angle of rupture, thus make energy recovery efficiency approach maximum energy recovery efficiency.
In the present invention, the Optimal Parameters table medium speed stored in single-chip microcomputer and ceiling capacity organic efficiency Emax corresponding to load and optimum turn-on angle, close the angle of rupture and determine as follows:
By Matlab-simulink simulation model, switched reluctance machines is emulated, in the three-phase of switched reluctance machines, each phase is all passed through two Situation modules and is separated with the electric current and voltage of refluxing stage in excitation and afterflow two stages and measure, and then calculates excitation stage power P respectively
1', freewheeling period power P
2', refluxing stage power P
3', then obtain the power sum P of excitation stage and freewheeling period
add', definition energy recovery efficiency
by gridding method, under constraints and optimization aim, all parameter combinations are all calculated one time, obtain the turn-on angle of maximum organic efficiency under different loads and rotating speed and correspondence and close the angle of rupture;
Constraints comprises electric current and is no more than copped wave amplitude limit value, can not fall into next inductance rising area to the voltage and current of fixed system, and target is that energy recovery efficiency is maximum.
The implementing circuit of the inventive method comprises power main circuit, drive circuit, current/voltage testing circuit, current/voltage feedback interface circuit, switched reluctance motor, position feedback interface circuit, single-chip data processor.Current/voltage testing circuit connects power main circuit, current/voltage is by current Hall transducer, voltage hall sensor records, and by electric current that current/voltage testing circuit records, voltage signal is by passing to single-chip data processor after the process of current/voltage feedback interface circuit filtering, switched reluctance motor connects power main circuit, three-phase dc electricity, every phase two lines connect motor three-phase, drive circuit provides 6 road drive singal, control the top tube and down tube of power circuit threephase switch device, position feedback interface circuit measuring rotating speed and estimation load, the voltage and current signal that single-chip data processor received current Voltage Feedback interface circuit transmits, the rotating speed that position feedback interface circuit transmits and load, outside acceleration or deceleration input signal.
Power main circuit comprises A, B, C three-phase, three-phase connection is identical, A phase comprises the first metal-oxide-semiconductor, second metal-oxide-semiconductor, first diode, second diode and phase winding, the drain electrode of the first metal-oxide-semiconductor connects positive source, the source electrode of the first metal-oxide-semiconductor connects the drain electrode of the second metal-oxide-semiconductor by phase winding, the source electrode of the second metal-oxide-semiconductor is connected to power cathode by sampling resistor, the negative electrode of the first diode connects positive source, the anode of the first diode connects the drain electrode of the second metal-oxide-semiconductor, the negative electrode of the second diode connects the source electrode of the first metal-oxide-semiconductor, the anode of the second diode connects power cathode, the source electrode of the second metal-oxide-semiconductor is connected to current/voltage testing circuit.Current/voltage testing circuit comprises three-phase phase winding, Hall element and voltage hall sensor, and Hall element is connected on motor phase windings loop, and voltage hall sensor is connected in parallel on phase winding.Single-chip data processor memory enters the Optimal Parameters table that Matlab-simulink simulation model obtains, for controlling drive circuit.At excitation stage of switched reluctance machines, freewheeling period and refluxing stage, through current/voltage testing circuit measure the voltage of this three phases, electric current and by the process of current/voltage feedback interface circuit filtering after pass to single-chip microcomputer, calculate excitation stage power P by single-chip microcomputer
1, freewheeling period power P
2with refluxing stage power P
3, and try to achieve the power sum P of excitation stage and freewheeling period
add=P
1+ P
2, calculate energy recovery efficiency
with in single-chip microcomputer stored in Optimal Parameters table compare, result, for controlling drive circuit, regulates and opens, closes the angle of rupture.
Optimal Parameters table is obtained by Matlab-simulink model, Matlab is the business software of U.S. Mathworks Company, for algorithm development, the advanced techniques computational language of data visualization, data analysis and numerical computations and interactive environment, mainly comprise Matlab and simulink two parts, simulink mainly does system emulation.
Mode of operation by the first metal-oxide-semiconductor in power main circuit and the second metal-oxide-semiconductor control switch reluctance motor: when the first metal-oxide-semiconductor, the second equal conducting of metal-oxide-semiconductor, switched reluctance machines is in the excited work stage, the exciting voltage signal transmission at sampling resistor two ends is to current/voltage testing circuit, by the electric current recorded, voltage signal by being transported to single-chip data processor after current/voltage feedback interface circuit filtering, realize the sampling to winding power; When the first metal-oxide-semiconductor cut-off, during the second metal-oxide-semiconductor conducting, switched reluctance machines is in afterflow working stage, the afterflow voltage signal at sampling resistor two ends is delivered to and is delivered to current/voltage testing circuit, by the electric current recorded, voltage signal by being transported to single-chip data processor after current/voltage feedback interface circuit filtering, realize the sampling to winding power; When the first metal-oxide-semiconductor, when second metal-oxide-semiconductor ends simultaneously, motor is in backflow working stage, current reflux in winding is to DC power supply feed, by the electric current recorded, voltage signal by being transported to single-chip data processor after current/voltage feedback interface circuit filtering, realize the sampling to winding power.
Wherein, the process of single-chip data processor comprises, excitation stage power P
1, freewheeling period power P
2with refluxing stage power P
3, and try to achieve the power sum P of excitation stage and freewheeling period
add=P
1+ P
2, calculate energy recovery efficiency
ceiling capacity organic efficiency under corresponding load in the Optimal Parameters table stored in the energy recovery efficiency calculated and single-chip microcomputer and rotating speed is compared, if equal ceiling capacity organic efficiency, does not then split the clearance angle of rupture and make adjustments; If be less than ceiling capacity organic efficiency, then regulate the turn-on angle of motor by drive circuit and close the angle of rupture and equal to open the pass angle of rupture in Optimal Parameters table, thus make energy recovery efficiency approach maximum energy recovery efficiency.
Beneficial effect: the present invention compared with prior art, has the following advantages:
Generally ignore the energy of refluxing stage in previous research, obtain different loads and ceiling capacity organic efficiency corresponding to rotating speed and turn-on angle, the pass angle of rupture by Matlab-simulink model now, make Optimal Parameters table.At excitation, afterflow, backflow three phases, Feedback of Power is not had to switched reluctance machines before, can be obtained now the performance number fed back by increase current/voltage testing circuit and current/voltage feedback interface circuit two parts, thus realize self adaptation dynamic environment.The maximal efficiency being achieved refluxing stage energy by the method for control switch reluctance motor turn-on angle, the pass angle of rupture is reclaimed, and extends the course continuation mileage of battery of electric vehicle.The invention solves that current battery utilance is not high, course continuation mileage is little, fully can not reclaim the problem of the energy of refluxing stage.In preferred version of the present invention, obtain various rotating speed and maximum organic efficiency corresponding to load and turn-on angle and the pass angle of rupture by Matlab-simulink model.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is power main circuit schematic diagram of the present invention;
Fig. 3 is the fundamental diagram under the inventive method excited work pattern;
Fig. 4 is the fundamental diagram under the inventive method afterflow mode of operation;
Fig. 5 is the fundamental diagram under the inventive method reflux mode of operation.
In figure: A, B, C represent A, B, C three-phase of motor, Vs is power supply,
S
1it is A phase first metal-oxide-semiconductor; S
2it is A phase second metal-oxide-semiconductor; S
3it is B phase first metal-oxide-semiconductor; S
4it is B phase second metal-oxide-semiconductor; S
5it is C phase first metal-oxide-semiconductor; S
6it is C phase second metal-oxide-semiconductor; D
1a phase first diode, D
2a phase second diode, D
3b phase first diode, D
4b phase second diode, D
5c phase first diode, D
6c phase second diode, L
1a phase winding, L
2b phase winding, L
3: be C phase winding.
Embodiment
Be further described below in conjunction with to the present invention.
The method of by-pass cock reluctance motor turn-on angle of the present invention and the pass angle of rupture, achieves dynamic self-adapting environment by increase current/voltage feedback interface circuit and these two feedbacks of position feedback interface circuit, comprises the following steps:
1) current/voltage testing circuit 6 gathers the excitation stage, the electric current of freewheeling period and refluxing stage, voltage initial value, and send current/voltage feedback interface circuit 7 to, current/voltage feedback interface circuit 7 pairs of electric currents, voltage initial value sends single-chip microcomputer to after carrying out filtering process, Hall element in position feedback interface circuit 5 gathers the rotating speed of motor, simultaneously according to motor model estimation load, and rotating speed and load are sent to single-chip data processor, the voltage and current signal that single-chip data processor received current Voltage Feedback interface circuit transmits, the rotating speed that position feedback interface circuit transmits and load, outside acceleration or deceleration input signal.Single-chip data processor memory enters the Optimal Parameters table that Matlab-simulink simulation model obtains, for controlling drive circuit.At excitation stage of switched reluctance machines, freewheeling period and refluxing stage, through current/voltage testing circuit measure the voltage of this three phases, electric current and by the process of current/voltage feedback interface circuit filtering after pass to single-chip microcomputer;
2) single-chip microcomputer calculates excitation stage power P
1, freewheeling period power P
2with refluxing stage power P
3, and try to achieve the power sum P of excitation stage and freewheeling period
add=P
1+ P
2, calculate energy recovery efficiency
3) by energy recovery efficiency
with in single-chip microcomputer stored in Optimal Parameters table compare, result is for controlling drive circuit.Store the optimum turn-on angle under various load and rotating speed in Optimal Parameters table, close the ceiling capacity organic efficiency Emax of the angle of rupture and correspondence, if E=Emax, then do not regulate, if E<Emax, then the turn-on angle corresponding to the ceiling capacity organic efficiency Emax stored in Optimal Parameters table and the pass angle of rupture are passed to drive circuit 2, by drive circuit 2, the turn-on angle of motor and the pass angle of rupture be adjusted to the turn-on angle in Optimal Parameters table and close the angle of rupture, thus making energy recovery efficiency approach maximum energy recovery efficiency.
The implementing circuit of the inventive method comprises power main circuit, drive circuit, current/voltage testing circuit, current/voltage feedback interface circuit, switched reluctance motor, position feedback interface circuit, single-chip data processor.Current/voltage testing circuit connects power main circuit, current/voltage is by current Hall transducer, voltage hall sensor records, and by electric current that current/voltage testing circuit records, voltage signal is by passing to single-chip data processor after the process of current/voltage feedback interface circuit filtering, switched reluctance motor connects power main circuit, three-phase dc electricity, every phase two lines connect motor three-phase, drive circuit provides 6 road drive singal, control the top tube and down tube of power circuit threephase switch device, position feedback interface circuit measuring rotating speed and estimation load, the voltage and current signal that single-chip data processor received current Voltage Feedback interface circuit transmits, the rotating speed that position feedback interface circuit transmits and load, outside acceleration or deceleration input signal.Single-chip data processor memory enters the Optimal Parameters table that Matlab-simulink simulation model obtains.
Wherein Optimal Parameters table is obtained by the Matlab-simulink simulation model of switched reluctance machines, in the three-phase of switched reluctance machines, each phase is all passed through two Situation modules and is separated with the electric current and voltage of refluxing stage in excitation and afterflow two stages and measure, and then calculates excitation stage power P respectively
1', freewheeling period power P
2', refluxing stage power P
3', then obtain the power sum P of excitation stage and freewheeling period
add', definition energy recovery efficiency
by gridding method, under constraints and optimization aim, all parameter combinations are all calculated one time, obtain the turn-on angle of maximum organic efficiency under different loads and rotating speed and correspondence and close the angle of rupture.
In the preferred embodiment of the inventive method, determine Optimal Parameters table medium speed and ceiling capacity organic efficiency Emax corresponding to load and optimum turn-on angle, when closing the angle of rupture, the gridding method adopted refer to before this turn-on angle and close the angle of rupture given range in large step-length, given turn-on angle, regulate and close the angle of rupture, the given pass angle of rupture, regulates turn-on angle; And then little step-length regulates turn-on angle, closes the angle of rupture in the suitable interval found, and calculates the energy recovery efficiency in often kind of situation, accurately obtain the turn-on angle in often kind of situation with this, close the angle of rupture.
The special integrated drive chips IR2110 that drive circuit 2 adopts IR company to produce carrys out driving power MOSFET (mos field effect transistor).
Adopt known traditional evaluation method according to motor model estimation load in position feedback interface circuit, know load by inference by torque, electric current and angle estimation obtain torque.
Current-voltage sampling circuit is arranged on the phase winding of switched reluctance machines, by the mode of operation of the first metal-oxide-semiconductor S1 in switched reluctance machines winding current voltage sampling circuit and the second metal-oxide-semiconductor S2 control switch reluctance motor; At excitation and the afterflow working stage of switched reluctance machines, phase winding electric current is obtained by the Hall element be connected on phase winding L1, voltage hall sensor records into exciting voltage signal and afterflow voltage signal, and the excitation that current/voltage testing circuit 6 records, the current and voltage signals of freewheeling period are analyzed by being delivered to single-chip data processor 1 after current/voltage feedback interface circuit 7 filtering process; At the backflow working stage of switched reluctance machines, switched reluctance machines completes commutation, enters refluxing stage and next phase winding electric current, the sampling of voltage and treatment step.The sampling step of refluxing stage is identical with the sampling step of freewheeling period with excitation.
The circuit corresponding to this method below in conjunction with accompanying drawing is described further:
As shown in Figure 1, switched reluctance machines current/voltage provided by the invention detects and connects power main circuit and the electric current recorded by current/voltage, voltage signal is by passing to single-chip data processor after the process of current/voltage feedback interface circuit filtering, switched reluctance motor connects power main circuit and position signalling is passed to position feedback interface circuit, the voltage and current signal that single-chip data processor received current Voltage Feedback interface circuit transmits, the rotating speed that position feedback interface circuit transmits, load signal, outside acceleration or deceleration input and the signal of drive circuit feedback are analyzed, with in single-chip microcomputer stored in data compare, comparative result is passed to drive circuit, drive circuit produces control signal, regulating power main circuit open-minded, close the angle of rupture.Power main circuit is connected with motor: three-phase dc electricity, every phase two lines connect motor three-phase drive circuit and connect, drive circuit provides 6 road drive singal, and the top tube and down tube voltage and current measurement of power main circuit threephase switch device is exactly current Hall transducer, voltage hall sensor.
The A phase of power main circuit 3 comprises the first metal-oxide-semiconductor S1, the second metal-oxide-semiconductor S2, phase winding L2, the first diode D1 and the second diode D2, and wherein, the first metal-oxide-semiconductor and the second metal-oxide-semiconductor model are AOT470; Whole circuit adopts 48V low-voltage dc power supply to circuit supply.The drain electrode of the first metal-oxide-semiconductor M1 connects positive source, the source electrode of the first metal-oxide-semiconductor S1 connects the drain electrode of the second metal-oxide-semiconductor S2 by phase winding 11, the source electrode of the second metal-oxide-semiconductor M2 is connected to power cathode, the negative electrode of the first diode D1 connects positive source, the anode of the first diode D1 connects the drain electrode of the second metal-oxide-semiconductor M2, the negative electrode of the second diode D2 connects the source electrode of the first metal-oxide-semiconductor M1, the anode of the second diode D2 connects power cathode, Hall element is connected on motor phase windings loop, and voltage hall sensor is connected in parallel on phase winding.Single-chip data processor is 32 single-chip microcomputers, comprises, calculate excitation and freewheeling period power and, the power of refluxing stage, according to
load in the Optimal Parameters table stored in the energy recovery efficiency calculated and single-chip microcomputer and highest energy organic efficiency corresponding to rotating speed are compared, if equal ceiling capacity organic efficiency, does not then split the clearance angle of rupture and make adjustments; If be less than ceiling capacity organic efficiency, then regulate the turn-on angle of motor by drive circuit and close the angle of rupture and equal to open the pass angle of rupture in Optimal Parameters table, thus make energy recovery efficiency approach maximum energy recovery efficiency.
Switched reluctance machines power main circuit is three-phase 12/8 rotor, by the working stage of the first metal-oxide-semiconductor in switched reluctance machines power main circuit and the second metal-oxide-semiconductor control switch reluctance motor, at excitation and the afterflow working stage of switched reluctance machines, phase winding electric current records excitation stage electric current respectively by Hall element and voltage hall sensor, voltage signal and freewheeling period electric current, voltage signal, through the excitation stage electric current that current/voltage records, voltage signal and freewheeling period electric current, voltage signal is analyzed by being delivered to single-chip data processor 1 after the process of current/voltage feedback interface circuit filtering, at the backflow working stage of switched reluctance machines, phase winding electric current records electric current, the voltage signal of refluxing stage by Hall element and voltage hall sensor, analyzes by being delivered to single-chip data processor 1 after current/voltage feedback interface circuit 6 filtering process through current/voltage testing circuit 5, single-chip data process comprises: calculate excitation and freewheeling period power and, calculate the power of refluxing stage, Optimal Parameters table compares with prestoring in single-chip microcomputer, regulates turn-on angle according to comparative result, closes the angle of rupture.
The excitation stage: on the basis of circuit structure shown in Fig. 2, as shown in Figure 3, when the first metal-oxide-semiconductor S1, the second equal conducting of metal-oxide-semiconductor S2, switched reluctance machines is in excited work pattern, the now outside 48V direct current driving power supply provided, first metal-oxide-semiconductor S1, motor A phase winding L1, the second metal-oxide-semiconductor S2 forms a current circuit.The sense of current as shown by arrows, Hall element is connected on motor phase windings loop, voltage hall sensor is connected in parallel on (not shown) on phase winding, and voltage, current signal are passed to single-chip data processor, and single-chip microcomputer calculates the power in excitation stage.
Freewheeling period: on the basis of circuit structure shown in Fig. 2, as shown in Figure 4, when the first metal-oxide-semiconductor S1 ends, during the second metal-oxide-semiconductor S2 conducting, switched reluctance machines is in afterflow mode of operation, now A phase winding L1, second diode D2, the second metal-oxide-semiconductor S2 forms a current circuit.Hall element is connected on motor phase windings loop, and voltage hall sensor is connected in parallel on (not shown) on phase winding, and voltage, current signal are passed to single-chip data processor, and single-chip microcomputer calculates the power of freewheeling period.
Refluxing stage: on the basis of circuit structure shown in Fig. 2, as shown in Figure 5, as the first metal-oxide-semiconductor S1, when second metal-oxide-semiconductor S2 ends simultaneously, motor is in reflux mode of operation, now the first diode D1, A phase winding L1, second diode D2 and outside 48V DC power supply form loop, current reflux now in winding is to DC power supply feed, Hall element is connected on motor phase windings loop, voltage hall sensor is connected in parallel on (not shown) on phase winding, by voltage, current signal passes to single-chip data processor, single-chip microcomputer calculates the power of refluxing stage, according to
the ceiling capacity organic efficiency of corresponding load and rotating speed in the Optimal Parameters table stored in the energy recovery efficiency calculated and single-chip microcomputer is compared, if equal ceiling capacity organic efficiency, does not then split the clearance angle of rupture and make adjustments, if be less than ceiling capacity organic efficiency, then regulate the turn-on angle of motor by drive circuit and close the angle of rupture and equal to open the pass angle of rupture in Optimal Parameters table, thus make energy recovery efficiency approach maximum energy recovery efficiency.The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (2)
1. a method for by-pass cock reluctance motor turn-on angle and the pass angle of rupture, it is characterized in that, the method comprises the following steps:
1) current/voltage testing circuit (6) gathers electric current initial value, the voltage initial value of excitation stage, freewheeling period and refluxing stage, and send current/voltage feedback interface circuit (7) to, described current/voltage feedback interface circuit (7) sends single-chip microcomputer to electric current, voltage initial value to after carrying out filtering process, Hall element in position feedback interface circuit (5) gathers the rotating speed of motor, simultaneously according to motor model estimation load, and rotating speed and load are sent to single-chip microcomputer;
2) excitation stage power P asked for respectively by described single-chip microcomputer
1, freewheeling period power P
2with refluxing stage power P
3, and try to achieve the power sum P of excitation stage and freewheeling period
add=P
1+ P
2, calculate energy recovery efficiency
3) single-chip microcomputer is by described step 2) energy recovery efficiency that the calculates ceiling capacity organic efficiency Emax corresponding with stored Optimal Parameters table medium speed and load compare, described Optimal Parameters table is that Matlab-simulink emulates the Optimal Parameters table obtained, the optimum turn-on angle under various load and rotating speed is stored in Optimal Parameters table, close the ceiling capacity organic efficiency of the angle of rupture and correspondence, if E=Emax, then do not regulate, if E<Emax, then the turn-on angle corresponding to the ceiling capacity organic efficiency Emax stored in Optimal Parameters table and the pass angle of rupture are passed to drive circuit (2), by drive circuit (2), the turn-on angle of motor and the pass angle of rupture are adjusted to the turn-on angle in Optimal Parameters table and close the angle of rupture, thus make energy recovery efficiency approach maximum energy recovery efficiency.
2. the method for by-pass cock reluctance motor turn-on angle according to claim 1 and the pass angle of rupture, it is characterized in that, the Optimal Parameters table medium speed stored in described single-chip microcomputer and ceiling capacity organic efficiency Emax corresponding to load and optimum turn-on angle, close the angle of rupture and determine as follows:
By Matlab-simulink simulation model, switched reluctance machines is emulated, in the three-phase of switched reluctance machines, each phase is all passed through two Situation modules and is separated with the electric current and voltage of refluxing stage in excitation and afterflow two stages and measure, and then calculates excitation stage power P respectively
1', freewheeling period power P
2', refluxing stage power P
3', then obtain the power sum P of excitation stage and freewheeling period
add', definition energy recovery efficiency
by gridding method, under constraints and optimization aim, all parameter combinations are all calculated one time, obtain the turn-on angle of maximum organic efficiency under different loads and rotating speed and correspondence and close the angle of rupture;
Described constraints comprises electric current and is no more than copped wave amplitude limit value, can not fall into next inductance rising area to the voltage and current of fixed system, and target is that energy recovery efficiency is maximum.
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| CN201310396401.9A CN103441713B (en) | 2013-09-04 | 2013-09-04 | Method for adjusting switch-on angle and switch-off angle of switched reluctance motor |
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| CN104953902B (en) * | 2015-06-11 | 2018-06-19 | 南京普天大唐信息电子有限公司 | A kind of switched reluctance machines power control circuit |
| CN106124849A (en) * | 2016-06-27 | 2016-11-16 | 北京新能源汽车股份有限公司 | Electric automobile energy reclaims method of testing and system |
| CN109309462B (en) * | 2018-05-10 | 2022-03-18 | 烟台仙崴机电有限公司 | Energy internet generator system efficiency optimization control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4974114A (en) * | 1989-02-13 | 1990-11-27 | Lti Biomedical, Inc. | Energy recovery circuit for electrotherapy device |
| CN201065077Y (en) * | 2007-06-07 | 2008-05-28 | 于学禄 | Variable-magnetism speed-regulation electric vehicle and controller thereof |
| CN201918950U (en) * | 2010-12-30 | 2011-08-03 | 西安交通大学苏州研究院 | Series excited direct-current motor controller with regenerative braking function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012061271A2 (en) * | 2010-11-03 | 2012-05-10 | Ramu Inc. | Rotor lamination shaping for minimum core loss in srms |
-
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4974114A (en) * | 1989-02-13 | 1990-11-27 | Lti Biomedical, Inc. | Energy recovery circuit for electrotherapy device |
| CN201065077Y (en) * | 2007-06-07 | 2008-05-28 | 于学禄 | Variable-magnetism speed-regulation electric vehicle and controller thereof |
| CN201918950U (en) * | 2010-12-30 | 2011-08-03 | 西安交通大学苏州研究院 | Series excited direct-current motor controller with regenerative braking function |
Non-Patent Citations (2)
| Title |
|---|
| A Switched Reluctance Machine-Based Starter/Alternator for More Electric Cars;B.Fahimi et al.;《IEEE TRANSACTIONS ON ENERGY CONVERSION》;20040331;全文 * |
| 基于角度优化的开关磁阻轮毂电机发电回馈控制策略研究;陈禹 等;《计算技术与自动化》;20120930;全文 * |
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