CN101499769A - Three phase rat cage asynchronous motor having self interference resisting speed regulating circuit - Google Patents
Three phase rat cage asynchronous motor having self interference resisting speed regulating circuit Download PDFInfo
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- CN101499769A CN101499769A CNA200810152800XA CN200810152800A CN101499769A CN 101499769 A CN101499769 A CN 101499769A CN A200810152800X A CNA200810152800X A CN A200810152800XA CN 200810152800 A CN200810152800 A CN 200810152800A CN 101499769 A CN101499769 A CN 101499769A
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Abstract
The invention provides a three-phase squirrel cage asynchronous motor with an auto-disturbance-rejection speed regulation circuit. The three-phase squirrel cage asynchronous motor is characterized in that the motor consists of four parts: a three-phase squirrel cage asynchronous motor, a state acquisition circuit, a digital control circuit with an auto-disturbance-rejection speed regulation function and a control quantity transmission circuit; the three-phase squirrel cage asynchronous motor has the advantages of obviously improving the capability that the three-phase squirrel cage asynchronous motor resists the external disturbance, leading the rotation speed to be recovered to the rated rotation speed after suffering severe disturbance, being capable of controlling the three-phase squirrel cage asynchronous motor in real time, reducing the control delay caused by low processing speed of a normal singlechip as a digital signal processor is employed, having higher reliability for the calculation and control, improving the dynamic performance of the motor, and reinforcing the stability and the reliability when the three-phase squirrel cage asynchronous motor runs.
Description
(1) technical field:
The present invention relates to a kind of three-phase squirrel cage asynchronous machine, particularly a kind of three-phase squirrel cage asynchronous machine with active disturbance rejection alignment circuit.
(2) background technology:
Threephase asynchronous has rotor structure simply, firmly, and moment of inertia is little, and is easy to maintenance, and low price and power, rotating speed adapt to the characteristics of face width, and just can directly be driven by three phase worker power, is used widely in industrial production; Because the complexity of asynchronous machine model and the limitation of control device, the technical development of high-performance AC electric machine speed regulation is slow, and high-precision speed governing field almost all is a Direct Current Governor System; Development along with power electronic technology, microelectric technique, New-type electric machine control theory, threephase asynchronous machine is used for the high accuracy governing system is able to rapid popularization, and revolution speed control system is to guarantee one of main device that threephase asynchronous machine turns round by predetermined speed; Along with the progress of control theory, various advanced persons' control law has appearred in succession.This hardware to controller is had higher requirement.
Auto-disturbance rejection technology is a kind of advanced person's a control strategy, and its amount of calculation wants big many compared with present various control laws; Can the pre-determined characteristics that reach automatic disturbance rejection controller depend on that can processor finish the lot of data Processing tasks in finite time; This high real-time, reliability and the jumbo calculation task of requiring is a sizable challenge to traditional Single-chip Controlling framework; If do not adopt high end chip to improve the speed of processor, just can't solve the problem that software becomes increasingly complex.
Accompanying drawing 3 is that prior art three-phase squirrel cage speed Control of Induction Motor circuit connects block diagram.
As shown in Figure 3, prior art three-phase squirrel cage speed Control of Induction Motor circuit comprises: the rotor-end a of three-phase squirrel cage asynchronous machine 8, connect successively and be connected to the state input y of ratio, integration, derivative controller 7 behind tachogenerator 2, the A/D change-over circuit 1, the output x of ratio, integration, derivative controller 7 connects successively and is connected to the stator terminal b of three-phase squirrel cage asynchronous machine 8 behind digital pulse-width modulation circuit 6, logic time-delay circuit 5, power amplifier drive circuit 4, the inverter circuit 3.
The ratio of above-mentioned prior art three-phase squirrel cage speed Control of Induction Motor circuit, integration, derivative controller 7 adopt the above-mentioned algorithm of chip microcontroller, its defective is: the disturbance resistivity to three-phase squirrel cage asynchronous machine 8 is poor, makes the three-phase squirrel cage asynchronous machine can't return to rated speed after suffering big disturbance.
(3) summary of the invention:
The objective of the invention is to overcome above-mentioned shortcoming, a kind of three-phase squirrel cage asynchronous machine with active disturbance rejection alignment circuit is provided, this motor carries out computing based on digital signal processor, utilize the Active Disturbance Rejection Control algorithm external disturbance is estimated and to be compensated by feedback, can reduce external disturbance, obtain fast, the control effect of high accuracy, high robust.
Technical scheme of the present invention: a kind of three-phase squirrel cage asynchronous machine with active disturbance rejection alignment circuit is characterized in that: it is made up of three-phase squirrel cage asynchronous machine, state acquisition circuit, the digital control circuit with active disturbance rejection speed-regulating function and controlled quentity controlled variable transmission circuit four parts; Wherein, three-phase squirrel cage asynchronous machine output connection status Acquisition Circuit input, the state acquisition circuit output end connects the digital control circuit input with active disturbance rejection speed-regulating function, the digital control circuit output connects controlled quentity controlled variable transmission circuit input, and controlled quentity controlled variable transmission circuit output connects three-phase squirrel cage asynchronous machine input.
Above-mentioned said state acquisition circuit is made up of tachogenerator, A/D change-over circuit; Connect the successively input of tachogenerator and A/D change-over circuit of the rotor-end a of three-phase squirrel cage asynchronous machine.
Above-mentioned said digital control circuit is made up of computer, digital signal processor and simulator; Wherein, the state input e of digital signal processor connects the output of A/D converter, the controlled quentity controlled variable Ausgang of digital signal processor connects the input of digital pulse-width modulation circuit, digital signal processor detects the two-way connection simulator of interface c, the data output end d of the two-way connection computer of USB output of simulator by boundary scan.
Above-mentioned said controlled quentity controlled variable transmission circuit is made up of digital pulse-width modulation circuit, logic time-delay circuit, power amplifier drive circuit and inverter circuit; Wherein, digital pulse-width modulation circuit connect successively logic time-delay circuit, power amplifier drive circuit, inverter circuit, and signal is exported to the stator terminal b of three-phase squirrel cage asynchronous machine.
Digital signal processor in the above-mentioned said digital control circuit with active disturbance rejection speed-regulating function adopts the TMS320F2812 model.
Simulator in the above-mentioned said digital control circuit with active disturbance rejection speed-regulating function adopts the ICETEK-5100USBV2.0 model.
Operation principle of the present invention is: the present invention is in conjunction with high performance signal processor and advanced Active Disturbance Rejection Control theory, utilize the Active Disturbance Rejection Control algorithm external disturbance is estimated and to be compensated by feedback, by computer the Active Disturbance Rejection Control algorithm is imported in the digital signal processor through simulator, digital signal processor can be estimated the suffered external disturbance of three-phase squirrel cage asynchronous machine, and when data processing, this estimated value is compensated, obtain the controlled quentity controlled variable of three-phase squirrel cage asynchronous machine, thereby make the three-phase squirrel cage asynchronous machine effectively resist outside disturbance, reduce the influence of external disturbance the normal operation of three-phase squirrel cage asynchronous machine.
Superiority of the present invention is: 1. significantly improved the ability of three-phase squirrel cage asynchronous machine opposing external disturbance, made its rotating speed suffer to return to rated speed after the great disturbance; 2. can control in real time the three-phase squirrel cage asynchronous machine; 3. adopt digital signal processor can reduce owing to the low control hysteresis that causes of common single-chip microcomputer processing speed, calculate and control and have higher reliability, improve the dynamic property of motor, strengthened the stability and the reliability of three-phase squirrel cage asynchronous machine operation.
(4) description of drawings:
Accompanying drawing 2 is connection block diagrams of the digital control circuit with active disturbance rejection speed-regulating function in the related a kind of three-phase squirrel cage asynchronous machine with active disturbance rejection alignment circuit of the present invention.
Accompanying drawing 3 is that prior art three-phase squirrel cage speed Control of Induction Motor circuit connects block diagram.
Wherein, 1 is the A/D change-over circuit; 2 is tachogenerator; 3 is inverter circuit; 4 is the power amplifier drive circuit; 5 is logic time-delay circuit; 6 is digital pulse-width modulation circuit; 7 is ratio, integration, derivative controller; 8 is the three-phase squirrel cage asynchronous machine; 9 is the active disturbance rejection alignment circuit; 10 is digital signal processor; 11 is computer; 12 is simulator.
(5) embodiment:
Embodiment: a kind of three-phase squirrel cage asynchronous machine (seeing accompanying drawing 1) with active disturbance rejection alignment circuit, it is characterized in that: it is made up of three-phase squirrel cage asynchronous machine 8, state acquisition circuit, the digital control circuit 9 with active disturbance rejection speed-regulating function and controlled quentity controlled variable transmission circuit four parts; Wherein, three-phase squirrel cage asynchronous machine 8 output connection status Acquisition Circuit inputs, the state acquisition circuit output end connects digital control circuit 9 inputs with active disturbance rejection speed-regulating function, digital control circuit 9 outputs connect controlled quentity controlled variable transmission circuit input, and controlled quentity controlled variable transmission circuit output connects three-phase squirrel cage asynchronous machine 8 inputs.
Above-mentioned said state acquisition circuit (seeing accompanying drawing 1) is made up of tachogenerator 2, A/D change-over circuit 1; Connect the successively input of tachogenerator 2 and A/D change-over circuit 1 of the rotor-end a of three-phase squirrel cage asynchronous machine 8.
Above-mentioned said digital control circuit (seeing accompanying drawing 1,2) is made up of computer 11, digital signal processor 10 and simulator 12; Wherein, the state input e of digital signal processor 10 connects the output of A/D converter 1, the controlled quentity controlled variable Ausgang of digital signal processor 10 connects the input of digital pulse-width modulation circuit 6, digital signal processor 10 detects the two-way connection simulator 12 of interface c, the data output end d of the two-way connection computer 11 of USB output of simulator 12 by boundary scan.
Above-mentioned said controlled quentity controlled variable transmission circuit (seeing accompanying drawing 1) is made up of digital pulse-width modulation circuit 6, logic time-delay circuit 5, power amplifier drive circuit 4 and inverter circuit 3; Wherein, digital pulse-width modulation circuit 6 connect successively logic time-delay circuit 5, power amplifier drive circuit 4, inverter circuit 3, and signal is exported to the stator terminal b of three-phase squirrel cage asynchronous machine 8.
Claims (6)
1, a kind of three-phase squirrel cage asynchronous machine with active disturbance rejection alignment circuit is characterized in that: it is made up of three-phase squirrel cage asynchronous machine, state acquisition circuit, the digital control circuit with active disturbance rejection speed-regulating function and controlled quentity controlled variable transmission circuit four parts; Wherein, three-phase squirrel cage asynchronous machine output connection status Acquisition Circuit input, the state acquisition circuit output end connects the digital control circuit input with active disturbance rejection speed-regulating function, the digital control circuit output connects controlled quentity controlled variable transmission circuit input, and controlled quentity controlled variable transmission circuit output connects three-phase squirrel cage asynchronous machine input.
2,, it is characterized in that said state acquisition circuit is made up of tachogenerator, A/D change-over circuit according to the said a kind of three-phase squirrel cage asynchronous machine of claim 1 with active disturbance rejection alignment circuit; Connect the successively input of tachogenerator and A/D change-over circuit of the rotor-end a of three-phase squirrel cage asynchronous machine.
3,, it is characterized in that said digital control circuit is made up of computer, digital signal processor and simulator according to the said a kind of three-phase squirrel cage asynchronous machine of claim 1 with active disturbance rejection alignment circuit; Wherein, the state input e of digital signal processor connects the output of A/D converter, the controlled quentity controlled variable Ausgang of digital signal processor connects the input of digital pulse-width modulation circuit, digital signal processor detects the two-way connection simulator of interface c, the data output end d of the two-way connection computer of USB output of simulator by boundary scan.
4,, it is characterized in that said controlled quentity controlled variable transmission circuit is made up of digital pulse-width modulation circuit, logic time-delay circuit, power amplifier drive circuit and inverter circuit according to the said a kind of three-phase squirrel cage asynchronous machine of claim 1 with active disturbance rejection alignment circuit; Wherein, digital pulse-width modulation circuit connect successively logic time-delay circuit, power amplifier drive circuit, inverter circuit, and signal is exported to the stator terminal b of three-phase squirrel cage asynchronous machine.
5,, it is characterized in that the digital signal processor in the said digital control circuit with active disturbance rejection speed-regulating function adopts the TMS320F2812 model according to the said a kind of three-phase squirrel cage asynchronous machine of claim 1 with active disturbance rejection alignment circuit.
6,, it is characterized in that the simulator in the said digital control circuit with active disturbance rejection speed-regulating function adopts the ICETEK-5100USBV2.0 model according to the said a kind of three-phase squirrel cage asynchronous machine of claim 1 with active disturbance rejection alignment circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810152800XA CN101499769A (en) | 2008-11-03 | 2008-11-03 | Three phase rat cage asynchronous motor having self interference resisting speed regulating circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810152800XA CN101499769A (en) | 2008-11-03 | 2008-11-03 | Three phase rat cage asynchronous motor having self interference resisting speed regulating circuit |
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| Publication Number | Publication Date |
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| CN101499769A true CN101499769A (en) | 2009-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA200810152800XA Pending CN101499769A (en) | 2008-11-03 | 2008-11-03 | Three phase rat cage asynchronous motor having self interference resisting speed regulating circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108141211A (en) * | 2015-10-13 | 2018-06-08 | 大陆泰密克微电子有限责任公司 | For making the method for at least one semiconductor switch operation and circuit device, for making the method for motor operation and current transformer |
| CN109257001A (en) * | 2018-10-29 | 2019-01-22 | 江苏大学 | A kind of switching magnetic-resistance BSG motor active disturbance rejection torque prediction controller building method |
-
2008
- 2008-11-03 CN CNA200810152800XA patent/CN101499769A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108141211A (en) * | 2015-10-13 | 2018-06-08 | 大陆泰密克微电子有限责任公司 | For making the method for at least one semiconductor switch operation and circuit device, for making the method for motor operation and current transformer |
| CN109257001A (en) * | 2018-10-29 | 2019-01-22 | 江苏大学 | A kind of switching magnetic-resistance BSG motor active disturbance rejection torque prediction controller building method |
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Open date: 20090805 |