CN102983776A - Ultrasonic motor dual pulse-width modulation (PWM) power drive topological structure - Google Patents
Ultrasonic motor dual pulse-width modulation (PWM) power drive topological structure Download PDFInfo
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- CN102983776A CN102983776A CN2012104517179A CN201210451717A CN102983776A CN 102983776 A CN102983776 A CN 102983776A CN 2012104517179 A CN2012104517179 A CN 2012104517179A CN 201210451717 A CN201210451717 A CN 201210451717A CN 102983776 A CN102983776 A CN 102983776A
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Abstract
The invention discloses an ultrasonic motor dual pulse-width modulation (PWM) power drive topological structure, and belongs to the field of ultrasonic motor power drive power sources. The ultrasonic motor dual PWM power drive topological structure is characterized by comprising two PWM components, namely a constant current power supply PWM_POWER component and a power coupling PWM_DRIVE component. The current output end of the constant current power supply PWM_POWER component is connected with the current input end of the power coupling PWM_DRIVE component. The ultrasonic motor dual PWM power drive topological structure achieves quadrature adjustment of output voltage and output frequency without mutual influences of the output voltage and the output frequency, improves impedance matching between an actuator and a load, reduces influences produced by load characteristic impedance changes of ultrasonic motors, and improves energy conversion efficiency of the actuator. The ultrasonic motor dual PWM power drive topological structure plays a key role in achievement for accurate control of the ultrasonic motors.
Description
Technical field
The present invention relates to the two pwm powers of a kind of ultrasound electric machine and drive topological structure, belong to ultrasound electric machine power driving power supply field.
Background technology
Compare with conventional motors, ultrasound electric machine has that the slow-speed of revolution, moment/mass ratio are large, fast response time, cut off self-lock, nanometer resolution, without characteristics such as electromagnetic interference.
Ultrasound electric machine need to provide the supersonic frequency of two-way quadrature phase to come driving work by the Driven by Ultrasonic Motors device.At present, the output stage of existing Driven by Ultrasonic Motors device.For example: a kind of output stage of ultrasound electric machine that patent of invention " based on embedded system level chip ultrasound motor drive controller (October 23 2007 applying date; application number 200710134453.3) " is disclosed, employing be that single PWM drives, the power drive topological structure of series connection coupling.Its advantage is that version is simple, but exists the adjusting of output voltage and output frequency to influence each other greatly, the shortcoming such as matching effect is poor, the motional impedance of ultrasound electric machine affects greatly, energy conversion efficiency is lower.
Summary of the invention
[goal of the invention] the object of the present invention is to provide the two pwm powers of a kind of ultrasound electric machine to drive topological structure, the coupling stable, in parallel that can realize that output voltage and output frequency Orthogonal modification are independent of each other, coupled resonance has guaranteed output voltage and impedance has reduced the impact of ultrasound electric machine motional impedance etc., and energy conversion efficiency is improved.
[technical scheme]
The two pwm powers of a kind of ultrasound electric machine drive topological structure, it is characterized in that comprising two PWM assemblies of constant current-supplying PWM_POWER and power coupling PWM_DRIVE, described constant current-supplying PWM_POWER is comprised of power tube Q01, Q02 and inductor L0, power tube Q01, Q02 form totem PWM power supply, and the output of totem PWM power supply is through the current output terminal B point output of inductor L0 by constant current-supplying PWM_POWER; The coupled resonance match circuit in parallel that the transformer coupled formula push-pull circuit that described power coupling PWM_DRIVE is comprised of power tube Q03, Q04 and transformer T0 and capacitor C0, C1 and transformer T0 form is consisted of, the be coupled current input terminal of PWM_DRIVE of described B point connection power.
The constant current that conversion forms high impedance through inductor L0 between [beneficial effect] 1, constant current-supplying PWM_POWER and the power coupling PWM_DRIVE connects so that constant current-supplying PWM_POWER complete independently to the adjusting of output voltage and power coupling PWM_DRIVE complete independently to the adjusting of output frequency.Thereby realized the Orthogonal modification that is independent of each other mutually of output voltage and output frequency.
2, the primary resonant that consists of of the elementary self-inductance of capacitor C0, transformer T0 and secondary reflected umpedance; The self-inductance of T0 level of electric capacity, the transformer after capacitor C1 and the distinctive direct capacitance of ultrasound electric machine load are in parallel and elementary reflected umpedance have consisted of secondary resonance; Primary resonant and secondary resonance have consisted of coupled resonance in the lump.Choose reasonable capacitor C0, C1 and transformer T0(self-inductance and mutual inductance) parameter, can be so that two pwm power drives the impedance matching frequency bandwidth of coupled resonance that topological structure forms, more single PWM drives, the impedance matching frequency bandwidth broadening several times of the power drive topological structure of series connection coupling, improve again simultaneously the impedance matching between driver and the load, reduced the impact that ultrasound electric machine load characteristic impedance variation produces.
3, transformer T0 is not only the output transformer of push-pull type commutation PWM driven unit, or the coupled resonance transformer of coupled resonance match circuit assembly in parallel, when guaranteed output obtains isolating and effectively transmits, also guarantee the stable of output voltage and output impedance, improved the energy conversion efficiency of driver.
Description of drawings
The two pwm powers of Fig. 1 – drive the electric theory diagram of topological structure;
Fig. 2 – constant current-supplying PWM_POWER electricity theory diagram;
Fig. 3 – power coupling PWM_DRIVE electricity theory diagram.
Symbol description is as follows among the figure:
A is constant current-supplying PWM_POWER power supply test point.
B is constant current-supplying PWM_POWER current output terminal, also is the current input terminal of power coupling PWM_DRIVE.
Q01, Q02, Q03, Q04 are the MOSFET power tube.
G01, G02, G03, G04 are that the PWM of MOSFET power tube grid drives signal.
L0 is inductor.
C0, C1 are capacitor.
T0 is transformer.
VDD is the positive pole of dc power supply.
GND is the negative pole of dc power supply.
OUT is the output drive end of power drive structure.
COM is the output reference edge of power drive structure.
Embodiment
The present invention will be described in detail below in conjunction with accompanying drawing.
The two pwm powers of ultrasound electric machine of the present invention drive topological structure and comprise constant current-supplying PWM_POWER and two PWM assemblies of power coupling PWM_DRIVE, as shown in Figure 1.Constant current-supplying PWM_POWER is comprised of power tube Q01, Q02 shown in Figure 2 and inductor L0.Power coupling PWM_DRIVE is comprised of power tube Q03, Q04 shown in Figure 3, C0, C1 and transformer T0.
Among the constant current-supplying PWM_POWER, the drain electrode of power tube Q01 meets dc power anode VDD, and the source electrode of power tube Q02 meets dc power cathode GND.Power tube Q01 source electrode and power tube Q02 drain electrode connect into test point A point.Power tube Q01 accepts to drive from the PWM of grid G 01 control of signal, and power tube Q02 accepts to drive from the PWM of grid G 02 control of signal.G01 and G02 are the gate drive signals of a pair of complementation, and duty ratio can be regulated.The totem PWM power supply that power tube Q1, Q2 form is transformed into the PWM voltage signal of A point variable duty ratio with DC power supply VDD, is transformed into the output current of high impedance by inductor L0 again, exports via the current output terminal B point of constant current-supplying PWM_POWER.Just can change the output current size that B is ordered by changing duty ratio, and can not be subject to the impact of power coupling PWM_DRIVE.
Among the power coupling PWM_DRIVE, power tube Q03, Q04 and transformer T0 form transformer coupled formula push-pull circuit.The source electrode of power tube Q03, Q04 all is connected to dc power cathode GND.Power tube Q03 drain electrode connects the elementary top of transformer T0, power tube Q04 drain electrode connects the elementary tail end of transformer T0, and the elementary center-side of transformer T0 receives the supply current from the constant current-supplying PWM_POWER of B point input.The B point is constant current-supplying PWM_POWER current output terminal, also is the current input terminal of power coupling PWM_DRIVE.Power tube Q03 accepts to drive from the PWM of grid G 03 control of signal, and power tube Q04 accepts to drive from the PWM of grid G 04 control of signal.G03 and G04 also are the gate drive signals of a pair of complementation, and duty ratio does not need to regulate.The electric current that B is ordered is alternately switched to the power drive signal of bipolarity frequency according to the frequency pushing and frequency pulling commutation of the PWM driving signal of setting by power tube G03 or power tube G04, by transformer T0 elementary current transformation is become secondary high voltage again, be connected to load via OUT and COM.
That current channel through the formed high impedance of inductor L0 is connected between constant current-supplying PWM_POWER and the power coupling PWM_DRIVE, so that constant current-supplying PWM_POWER and power coupling PWM_DRIVE can distinguish complete independently to the adjusting of output voltage and the adjusting of output frequency.Thereby, realized the Orthogonal modification that is independent of each other mutually of output voltage and output frequency.
Among the power coupling PWM_DRIVE, it is elementary that capacitor C0 is connected in parallel on transformer, and the self-inductance that capacitor C0, transformer T0 are elementary and secondary reflected umpedance have consisted of primary resonant; It is secondary that capacitor C1 is connected in parallel on transformer, and the self-inductance of T0 level of electric capacity, the transformer after capacitor C1 and the distinctive direct capacitance of ultrasound electric machine load are in parallel and elementary reflected umpedance have consisted of secondary resonance; Primary resonant and secondary resonance have consisted of coupled resonance in the lump.Choose reasonable capacitor C0, C1 and transformer T0(self-inductance and mutual inductance) parameter, can be so that two pwm power drives the impedance matching frequency bandwidth of coupled resonance that topological structure forms, more single PWM drives, the impedance matching frequency bandwidth broadening several times of the power drive topological structure of series connection coupling, improve again simultaneously the impedance matching between driver and the load, reduced the impact that ultrasound electric machine load characteristic impedance variation produces.
Transformer T0 is not only the output transformer of push-pull type commutation PWM driven unit, or the coupled resonance transformer of coupled resonance match circuit assembly in parallel, when guaranteed output obtains isolating and effectively transmits, also guarantee the stable of output voltage and output impedance, improved the energy conversion efficiency of driver.
Above examples of implementation are only unrestricted for explanation the present invention, although the present invention is had been described in detail, one of skill in the art is to be understood that, to modification of the present invention and equivalent replacement, and not breaking away from the spirit and scope of the present invention, it all should be encompassed within the claim scope of the present invention.
Claims (3)
1. the two pwm powers of ultrasound electric machine drive topological structure, it is characterized in that comprising two PWM assemblies of constant current-supplying PWM_POWER and power coupling PWM_DRIVE, described constant current-supplying PWM_POWER is comprised of power tube Q01, Q02 and inductor L0, power tube Q01, Q02 form totem PWM power supply, and the output of totem PWM power supply is through the current output terminal B point output of inductor L0 by constant current-supplying PWM_POWER; The coupled resonance parallel connection match circuit that the transformer coupled formula push-pull circuit that described power coupling PWM_DRIVE is comprised of power tube Q03, Q04 and transformer T0 and capacitor C0, C1 and transformer T0 form is consisted of, and the be coupled current input terminal of PWM_DRIVE of described B point and power is connected.
2. the two pwm powers of described ultrasound electric machine drive topological structure according to claim 1, the tie point that it is characterized in that power tube Q01 and power tube Q02 is test point A point, test point A point is connected with the end of inductor L0, the other end of inductor L0 connects described B point, current channel by the formed high impedance of inductor L0 between constant current-supplying PWM_POWER and the power coupling PWM_DRIVE is connected, constant current-supplying PWM_POWER complete independently is to the adjusting of output voltage, power coupling PWM_DRIVE complete independently is to the adjusting of output frequency, thus the Orthogonal modification that is independent of each other mutually of realization output voltage and output frequency.
3. the two pwm powers of described ultrasound electric machine drive topological structure according to claim 1, and it is elementary to it is characterized in that capacitor C0 is connected in parallel on transformer, and the self-inductance that capacitor C0, transformer T0 are elementary and secondary reflected umpedance have consisted of primary resonant; It is secondary that capacitor C1 is connected in parallel on transformer, and the self-inductance of T0 level of electric capacity, the transformer after capacitor C1 and the distinctive direct capacitance of ultrasound electric machine load are in parallel and elementary reflected umpedance have consisted of secondary resonance; Primary resonant and secondary resonance have consisted of coupled resonance in the lump.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746596A (en) * | 2014-01-07 | 2014-04-23 | 江苏丰科超声电机科技有限公司 | Output signal shutoff control method based on dual-PWM (pulse-width modulation) power drive topological structure |
| CN104777473A (en) * | 2015-03-19 | 2015-07-15 | 柳州市华航电器有限公司 | Detection method for ultrasonic sensor |
| CN106026761A (en) * | 2016-05-18 | 2016-10-12 | 南京航空航天大学 | Embedded ultrasonic motor drive controller |
| CN110289784A (en) * | 2019-07-09 | 2019-09-27 | 南京航大超控科技有限公司 | Monophasic pulses if method for controlling speed regulation based on double pwm powers driving topological structure |
| CN112104260A (en) * | 2020-08-18 | 2020-12-18 | 华南农业大学 | V-shaped ultrasonic linear motor driving power supply and driving method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002359987A (en) * | 2001-05-31 | 2002-12-13 | Nidec Copal Corp | Ultrasonic motor control circuit |
| CN1431762A (en) * | 2003-01-15 | 2003-07-23 | 东南大学 | Linear drive controller of ultrasonic electrical motor based on chip of digital signal process |
| CN101686022A (en) * | 2008-09-24 | 2010-03-31 | 无锡华润矽科微电子有限公司 | Drive circuit of ultrasonic motor |
| CN102694483A (en) * | 2012-01-12 | 2012-09-26 | 河南科技大学 | LC (inductance/capacitance) resonance drive circuit for ultrasonic motor and control method of LC resonance drive circuit |
-
2012
- 2012-11-13 CN CN201210451717.9A patent/CN102983776B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002359987A (en) * | 2001-05-31 | 2002-12-13 | Nidec Copal Corp | Ultrasonic motor control circuit |
| CN1431762A (en) * | 2003-01-15 | 2003-07-23 | 东南大学 | Linear drive controller of ultrasonic electrical motor based on chip of digital signal process |
| CN101686022A (en) * | 2008-09-24 | 2010-03-31 | 无锡华润矽科微电子有限公司 | Drive circuit of ultrasonic motor |
| CN102694483A (en) * | 2012-01-12 | 2012-09-26 | 河南科技大学 | LC (inductance/capacitance) resonance drive circuit for ultrasonic motor and control method of LC resonance drive circuit |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746596A (en) * | 2014-01-07 | 2014-04-23 | 江苏丰科超声电机科技有限公司 | Output signal shutoff control method based on dual-PWM (pulse-width modulation) power drive topological structure |
| CN103746596B (en) * | 2014-01-07 | 2016-02-24 | 江苏丰科超声电机科技有限公司 | The output signal of topological structure is driven to turn off control method based on two pwm power |
| CN104777473A (en) * | 2015-03-19 | 2015-07-15 | 柳州市华航电器有限公司 | Detection method for ultrasonic sensor |
| CN106026761A (en) * | 2016-05-18 | 2016-10-12 | 南京航空航天大学 | Embedded ultrasonic motor drive controller |
| CN106026761B (en) * | 2016-05-18 | 2018-03-02 | 南京航空航天大学 | A kind of Embedded Ultrasonic motor drive controller |
| CN110289784A (en) * | 2019-07-09 | 2019-09-27 | 南京航大超控科技有限公司 | Monophasic pulses if method for controlling speed regulation based on double pwm powers driving topological structure |
| CN110289784B (en) * | 2019-07-09 | 2022-03-08 | 南京航达超控科技有限公司 | Single-phase pulse speed regulation control method based on double-PWM power driving topological structure |
| CN112104260A (en) * | 2020-08-18 | 2020-12-18 | 华南农业大学 | V-shaped ultrasonic linear motor driving power supply and driving method thereof |
| CN112104260B (en) * | 2020-08-18 | 2021-06-25 | 华南农业大学 | V-shaped ultrasonic linear motor driving power supply and driving method thereof |
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Effective date of registration: 20170407 Address after: 211106 general road, Jiangning Development Zone, Jiangsu, Nanjing, China, No. 29 Patentee after: Nanjing Airlines super Control Technology Co., Ltd. Address before: Yudaojie Baixia District of Nanjing City, Jiangsu Province, No. 29 210016 Patentee before: Nanjing University of Aeronautics and Astronautics |
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Address after: 211106 general road, Jiangning Development Zone, Jiangsu, Nanjing, China, No. 29 Patentee after: Nanjing Hangda override Technology Co., Ltd Address before: 211106 general road, Jiangning Development Zone, Jiangsu, Nanjing, China, No. 29 Patentee before: Nanjing Airlines super Control Technology Co., Ltd. |
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