CN101197554A - Permanent-magnet brushless DC motor with self-noise immunity rotation velocity control circuit - Google Patents
Permanent-magnet brushless DC motor with self-noise immunity rotation velocity control circuit Download PDFInfo
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- CN101197554A CN101197554A CNA2007101506824A CN200710150682A CN101197554A CN 101197554 A CN101197554 A CN 101197554A CN A2007101506824 A CNA2007101506824 A CN A2007101506824A CN 200710150682 A CN200710150682 A CN 200710150682A CN 101197554 A CN101197554 A CN 101197554A
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Abstract
The invention discloses a permanent magnet brushless DC motor provided with a self anti-interference speed control circuit. The structure of the invention comprises a stator, a rotor and the speed control circuit, wherein, the speed control circuit consists of a tachogenerator, an A/D converting circuit, a digital pulse-width modulation circuit, a logic time delay circuit, a power amplifier drive circuit, an inverter circuit and a digital control circuit; the input end of the digital control circuit is orderly connected with the A/D converting circuit and the tachogenerator in series, and then to the rotor end of the permanent magnet brushless DC motor; the output end of the digital control circuit is orderly connected with digital pulse-width modulation circuit, the logic time delay circuit, the power amplifier drive circuit and the inverter circuit in series, and then to the stator end of the permanent magnet brushless DC motor. The invention has the advantages that: the invention can estimate external disturbance and compensate through feedback, reduce the effect of the external disturbance to the permanent magnet brushless DC motor, improve the dynamic performance of the motor, and reinforce the stability and reliability.
Description
Technical field:
What the present invention relates to is permanent-magnet brushless DC electric machine, particularly be permanent-magnet brushless DC electric machine with self-noise immunity rotation velocity control circuit.
Background technology:
Along with developing rapidly of power electronic technology, microelectric technique, New-type electric machine control theory and rare earth permanent-magnetic material, permanent-magnet brushless DC electric machine is able to rapid popularization.Little because of its volume, performance good, simple in structure, reliability is high, output characteristics such as torque is big, permanent-magnet brushless DC electric machine has been subjected to extensive concern.Revolution speed control system is to guarantee one of main device that brshless DC motor turns round by predetermined speed.
Fig. 1 is that prior art permanent-magnet brushless DC electric machine rotating-speed control circuit connects block diagram.
As shown in Figure 1, prior art permanent-magnet brushless DC electric machine rotating-speed control circuit comprises: the rotor-end a of permanent-magnet brushless DC electric 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 permanent-magnet brushless DC electric 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 permanent-magnet brushless DC electric machine rotating-speed control circuit, integration, derivative controller 7 adopt the above-mentioned algorithm of chip microcontroller, its defective is: the disturbance resistivity to permanent-magnet brushless DC electric machine 8 is poor, makes permanent-magnet brushless DC electric machine can't return to rated speed after suffering big disturbance.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, provide a kind of and carry out computing based on digital signal processor, utilize the Active Disturbance Rejection Control algorithm external disturbance is estimated and to be compensated, reduce the permanent-magnet brushless DC electric machine with active disturbance rejection speed-regulating control circuit of external disturbance by feedback.
Technical scheme of the present invention is: a kind of permanent-magnet brushless DC electric machine with self-noise immunity rotation velocity control circuit, described structure with permanent-magnet brushless DC electric machine of self-noise immunity rotation velocity control circuit comprises: stator, rotor, rotating-speed control circuit, this rotating-speed control circuit comprises: tachogenerator, A/D change-over circuit, digital pulse-width modulation circuit, logic time-delay circuit, power amplifier drive circuit, inverter circuit, and described rotating-speed control circuit also comprises the digital control circuit with active disturbance rejection speed-regulating function; Described input with digital control circuit of active disturbance rejection speed-regulating function is connected successively and is connected to the rotor-end of permanent-magnet brushless DC electric machine behind A/D change-over circuit, the tachogenerator; Described digital control circuit output with active disturbance rejection speed-regulating function is connected successively and is connected to the stator terminal of permanent-magnet brushless DC electric machine behind digital pulse-width modulation circuit, logic time-delay circuit, power amplifier drive circuit, the inverter circuit.
The invention has the beneficial effects as follows: the present invention can be 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, thereby reduce the influence of external disturbance to the normal operation of permanent-magnet brushless DC electric machine, improve the dynamic property of motor, strengthened the stability and the reliability of permanent-magnet brushless DC electric machine operation.Concrete advantage is: 1. significantly improved the ability of non-brush permanent-magnet DC motor opposing external disturbance, made its rotating speed suffer to return to rated speed after the great disturbance; 2. can control in real time permanent-magnet brushless DC electric machine.
Description of drawings
Fig. 1 is that prior art permanent-magnet brushless DC electric machine rotating-speed control circuit connects block diagram;
Fig. 2 is that circuit of the present invention connects block diagram;
Fig. 3 is that the self-noise immunity rotation velocity control circuit internal circuit connects block diagram among Fig. 2.
" main sequence number explanation in the accompanying drawing "
1:A/D change-over circuit 2: tachogenerator 3: inverter circuit
4: power amplifier drive circuit 5: logic time-delay circuit 6: digital pulse-width modulation circuit
7: ratio, integration, derivative controller 8: permanent-magnet brushless DC electric machine
9: self-noise immunity rotation velocity control circuit 10: digital signal processor 11: computer
12: simulator
Embodiment:
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail.
Fig. 2 is that circuit of the present invention connects block diagram; Fig. 3 is that the self-noise immunity rotation velocity control circuit internal circuit connects block diagram among Fig. 2.
As Fig. 2, shown in Figure 3, the invention provides a kind of permanent-magnet brushless DC electric machine with self-noise immunity rotation velocity control circuit, described structure with permanent-magnet brushless DC electric machine of self-noise immunity rotation velocity control circuit comprises: stator (figure does not show), rotor (figure does not show), rotating-speed control circuit.
Described rotating-speed control circuit comprises: tachogenerator 2, A/D change-over circuit 1, digital pulse-width modulation circuit 6, logic time-delay circuit 5, power amplifier drive circuit 4, inverter circuit 3, described rotating-speed control circuit also comprise the digital control circuit 9 with active disturbance rejection speed-regulating function; Described input with digital control circuit 9 of active disturbance rejection speed-regulating function is connected successively and is connected to the rotor-end a of permanent-magnet brushless DC electric machine 8 behind A/D change-over circuit 1, the tachogenerator 2; Described digital control circuit 9 outputs with active disturbance rejection speed-regulating function are connected successively and are connected to the stator terminal b of permanent-magnet brushless DC electric machine 8 behind digital pulse-width modulation circuit 6, logic time-delay circuit 5, power amplifier drive circuit 4, the inverter circuit 3.
Described digital control circuit 9 comprises: computer 11, simulator 12, digital signal processor 10; The state input e of described digital signal processor 10 connects the output of A/D change-over circuit 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 boundary scans detect the two-way connection simulator 12 of interface c, the data output end d of the two-way connection computer 11 of USB serial ports end of simulator 12.
Described digital signal processor 10 is chips of TMS320F2812 model.
Described simulator 12 is chips of ICETEK-5100USBV2.0 model.
Effect below in conjunction with description of drawings self-noise immunity rotation velocity control circuit of the present invention.
Self-noise immunity rotation velocity control circuit of the present invention inside comprises computer 11, digital signal processor 10, simulator 12, by computer 11 the Active Disturbance Rejection Control algorithm is imported in the digital signal processor 10 through simulator 12, digital signal processor 10 can be estimated the suffered external disturbance of permanent-magnet brushless DC electric machine, and when data processing, this estimated value is compensated, obtain the controlled quentity controlled variable of permanent-magnet brushless DC electric machine, thereby make permanent-magnet brushless DC electric machine effectively resist outside disturbance.
Claims (4)
1. permanent-magnet brushless DC electric machine with self-noise immunity rotation velocity control circuit, described structure with permanent-magnet brushless DC electric machine of self-noise immunity rotation velocity control circuit comprises: stator, rotor, rotating-speed control circuit, this rotating-speed control circuit comprises: tachogenerator (2), A/D change-over circuit (1), digital pulse-width modulation circuit (6), logic time-delay circuit (5), power amplifier drive circuit (4), inverter circuit (3), it is characterized in that described rotating-speed control circuit also comprises the digital control circuit (9) with active disturbance rejection speed-regulating function; Described input with digital control circuit (9) of active disturbance rejection speed-regulating function is connected successively and is connected to the rotor-end (a) of permanent-magnet brushless DC electric machine (8) behind A/D change-over circuit (1), the tachogenerator (2); Described digital control circuit (9) output with active disturbance rejection speed-regulating function is connected successively and is connected to the stator terminal (b) of permanent-magnet brushless DC electric machine (8) behind digital pulse-width modulation circuit (6), logic time-delay circuit (5), power amplifier drive circuit (4), the inverter circuit (3).
2. according to the permanent-magnet brushless DC electric machine that has self-noise immunity rotation velocity control circuit described in the claim 1, it is characterized in that described digital control circuit (9) comprising: computer (11), simulator (12), digital signal processor (10); The state input (e) of described digital signal processor (10) connects the output of A/D change-over circuit (1), the controlled quentity controlled variable output (f) of digital signal processor (10) connects the input of digital pulse-width modulation circuit (6), digital signal processor (10) boundary scan detects interface (c) two-way connection simulator (1 2), the data output end (d) of the two-way connection computer of USB serial ports end (11) of simulator (12).
3. according to the permanent-magnet brushless DC electric machine that has the active disturbance rejection speed-regulating control circuit described in the claim 1, it is characterized in that described digital signal processor (10) is the chip of TMS320F2812 model.
4. according to the permanent-magnet brushless DC electric machine that has the active disturbance rejection speed-regulating control circuit described in the claim 1, it is characterized in that described simulator (12) is the chip of ICETEK-5100USBV2.0 model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101506824A CN101197554A (en) | 2007-12-03 | 2007-12-03 | Permanent-magnet brushless DC motor with self-noise immunity rotation velocity control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101506824A CN101197554A (en) | 2007-12-03 | 2007-12-03 | Permanent-magnet brushless DC motor with self-noise immunity rotation velocity control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN101197554A true CN101197554A (en) | 2008-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101506824A Pending CN101197554A (en) | 2007-12-03 | 2007-12-03 | Permanent-magnet brushless DC motor with self-noise immunity rotation velocity control circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299656A (en) * | 2011-09-08 | 2011-12-28 | 天津理工大学 | Inverter control system based on active disturbance rejection control technology and control method of system |
| CN103248289A (en) * | 2013-04-24 | 2013-08-14 | 同济大学 | Back pressure control system of vehicle-mounted fuel cell engine |
| CN104790799A (en) * | 2014-01-21 | 2015-07-22 | 江苏新绿能科技有限公司 | Active disturbance rejection control system of platform screen door machine |
| CN106100490A (en) * | 2016-08-08 | 2016-11-09 | 中国科学技术大学 | A kind of modified model automatic disturbance rejection controller |
-
2007
- 2007-12-03 CN CNA2007101506824A patent/CN101197554A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299656A (en) * | 2011-09-08 | 2011-12-28 | 天津理工大学 | Inverter control system based on active disturbance rejection control technology and control method of system |
| CN103248289A (en) * | 2013-04-24 | 2013-08-14 | 同济大学 | Back pressure control system of vehicle-mounted fuel cell engine |
| CN103248289B (en) * | 2013-04-24 | 2015-10-21 | 同济大学 | A kind of vehicle mounted fuel cell engine backpressure control system |
| CN104790799A (en) * | 2014-01-21 | 2015-07-22 | 江苏新绿能科技有限公司 | Active disturbance rejection control system of platform screen door machine |
| CN104790799B (en) * | 2014-01-21 | 2016-08-03 | 江苏新绿能科技有限公司 | A kind of platform screen door machine Active Disturbance Rejection Control system |
| CN106100490A (en) * | 2016-08-08 | 2016-11-09 | 中国科学技术大学 | A kind of modified model automatic disturbance rejection controller |
| CN106100490B (en) * | 2016-08-08 | 2019-02-19 | 中国科学技术大学 | A kind of modified automatic disturbance rejection controller |
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Open date: 20080611 |