CN201479069U - High-speed and high-precision servo motor drive - Google Patents
High-speed and high-precision servo motor drive Download PDFInfo
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- CN201479069U CN201479069U CN2009201703742U CN200920170374U CN201479069U CN 201479069 U CN201479069 U CN 201479069U CN 2009201703742 U CN2009201703742 U CN 2009201703742U CN 200920170374 U CN200920170374 U CN 200920170374U CN 201479069 U CN201479069 U CN 201479069U
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Abstract
The utility model relates to a high-speed and high-precision servo motor drive which is characterized in that a DSP is respectively connected with a closed current loop, a peripheral circuit, an A/D port and a drive, wherein the drive is respectively connected with an I/O port and an intelligent power module, the intelligent power module is connected with a rectifier and filter circuit, the A/D port is connected with a current sampling circuit, the peripheral circuit is connected with an encoder, and the encoder is connected with a closed speed loop. The high-speed and high-precision servo motor drive has the technical effects that the high-speed and high-precision servo motor drive has simple structure and convenient use, and can complete the closed loop control of a servo system, including torque, speed, position and the like; and the high-speed and high-precision servo motor drive has feedback linearization control, sliding mode variable structure control and self-adaptive control, does not rely on a fuzzy control method of a mathematical model and a neural network control method, determines the position of a rotor of a motor by detecting the counter electromotive force of the motor, realizes the accurate commutation of the motor and further achieves the purpose of speed regulation.
Description
Technical field
The utility model relates to a kind of motor driver, relates in particular to a kind of high-speed high-precision servo motor driver.
Background technology
The birth of motor and development can be divided into following several stages.From 1820 until whole 19 end of the centurys, found electromagnet phenomenon and relevant various rules, the prototype of alternating current machine that has been born, and the industrial applicability of having established motor.Since 20th century until the 1970's, it is the growth and the maturity period of motor, have various motors such as brush direct current machine, induction motor, synchronous motor and stepping motor to be born in succession, semiconductor Driving technique and Electronic Control notion are introduced, and bring the practicability of frequency conversion drive.From latter stage in the 1970's to 20th century, developing by leaps and bounds of computing technique brought chance for the development high-performance drives, continuous progress along with design, evaluation, measurement, control, power semiconductor, bearing, magnetic material, insulating material, manufacturing process technology, motor body has experienced a variety of reformation such as lightweight, miniaturization, high efficiency, high torque output, low-noise vibrating, highly reliable, low cost, and corresponding driving and control device be intellectuality and sequencing more also.Entering 21 century, is being the information age of feature with multimedia and the Internet, and motor and drive unit continue the performance supporting role, to economize on resources, the direction of environmental friendliness, energy-efficient operation develops.
Summary of the invention
The purpose of this utility model is to provide a kind of high-speed high-precision servo motor driver, this driver adopts more high-precision encoder (revolution 1,000,000 pulse levels), higher sampling precision and data bits, speed is DSP faster, the high-performance electric rotating machine of no slot effect, linear electric motors, and various modern control strategies such as application self-adapting, artificial intelligence, constantly the index with servo system improves.
The utility model is achieved like this, it comprises DSP, closed path ring, external application circuit, A/D mouth, driver, I/O mouth, Intelligent Power Module, current rectifying and wave filtering circuit, current sampling circuit, encoder, closing speed ring, it is characterized in that DSP connects closed path ring, peripheral circuit, A/D mouth and driver respectively, driver connects I/O mouth and Intelligent Power Module respectively, Intelligent Power Module connects current rectifying and wave filtering circuit, the A/D mouth connects current sampling circuit, peripheral circuit connects encoder, and encoder connects the closing speed ring.
Technique effect of the present utility model is: simple in structure, easy to use, finish the closed-loop control of servo system, comprise moment, speed and position etc., have modified feedback linearization control, Sliding mode variable structure control, adaptive control, do not rely on the fuzzy control and the neuroid control method of Mathematical Modeling, determine the rotor-position of motor by the back electromotive force that detects motor, realize the accurate commutation of motor, thereby reach the purpose of speed governing.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, the utility model is achieved like this, it comprises DSP1, closed path ring 2, external application circuit 3, A/D mouth 4, driver 5, I/O mouth 6, Intelligent Power Module 7, current rectifying and wave filtering circuit 8, current sampling circuit 9, encoder 10, closing speed ring 11, it is characterized in that DSP1 connects closed path ring 2 respectively, peripheral circuit 3, A/D mouth 4 and driver 5, driver 5 connects I/O mouth 6 and Intelligent Power Module 7 respectively, Intelligent Power Module 7 connects current rectifying and wave filtering circuit 8, A/D mouth 4 connects current sampling circuit 9, peripheral circuit 3 connects encoder 10, and encoder 10 connects closing speed ring 11.During use, the actual permagnetic synchronous motor that belongs to of dc brushless motor, general rotor is a permanent magnetic material, rotates synchronously with stator field.This electric machine structure is simple, and owing to removed the physics brush, makes electromagnetic performance reliable, safeguard simply, thus fields such as the office automation of being widely used in, household electrical appliances.The dc brushless motor running will carry out two kinds of controls, and a kind of is rotating speed control, and also i.e. control offers the electric current of stator coil; Another kind is commutation control, arrives assigned address at rotor and changes stator conducting phase, realizes that stator field changes, and in fact this control realized the mechanism of physics brush.Therefore this motor needs position feedback mechanism, such as Hall element, photoelectric code disk, perhaps utilizes trapezoidal back electromotive force characteristics to carry out back electromotive force zero passage detection etc.Utilize the system of photoelectric encoder more convenient on software is realized.Motor speed control also is according to position feed back signal, calculates spinner velocity, utilizes control methods such as PI or PID again, adjusts the PWM duty ratio in real time and waits and realize that stator current regulates.Therefore, control chip will carry out more computational process.Special dc brushless motor control chip is also arranged certainly; But in general, in great majority are used,, always also need to do some other control and thing such as communicate by letter except Electric Machine Control, so, select band PWM for use, it also is a kind of good selection that the chip of strong mathematical operation function is arranged again simultaneously.The digital signal processor DSP 568xx series of Motorola has been integrated quick calculation function of nextport universal digital signal processor NextPort and the abundant characteristics of SCM peripheral, make this series be particularly suitable for those requirements stronger data-handling capacity is arranged, having again in the application of more controlled function simultaneously, is exactly that the typical case of this series DSP one of uses to the control of dc brushless motor.
Claims (1)
1. high-speed high-precision servo motor driver, it comprises DSP, closed path ring, external application circuit, A/D mouth, driver, I/O mouth, Intelligent Power Module, current rectifying and wave filtering circuit, current sampling circuit, encoder, closing speed ring, it is characterized in that DSP connects closed path ring, peripheral circuit, A/D mouth and driver respectively, driver connects I/O mouth and Intelligent Power Module respectively, Intelligent Power Module connects current rectifying and wave filtering circuit, the A/D mouth connects current sampling circuit, peripheral circuit connects encoder, and encoder connects the closing speed ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201703742U CN201479069U (en) | 2009-08-21 | 2009-08-21 | High-speed and high-precision servo motor drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201703742U CN201479069U (en) | 2009-08-21 | 2009-08-21 | High-speed and high-precision servo motor drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201479069U true CN201479069U (en) | 2010-05-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201703742U Expired - Fee Related CN201479069U (en) | 2009-08-21 | 2009-08-21 | High-speed and high-precision servo motor drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201479069U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964624A (en) * | 2010-10-15 | 2011-02-02 | 浙江工业大学 | Sensorless control system of permanent magnet synchronous motor |
| CN102136818A (en) * | 2011-02-16 | 2011-07-27 | 万达集团股份有限公司 | Numerical control device for AC permanent magnet synchronous motor |
| CN105932918A (en) * | 2016-05-11 | 2016-09-07 | 南京工程学院 | Method and apparatus for controlling operation velocity of linear servo system of high-precision numerical control machine tool |
| CN109371557A (en) * | 2018-11-21 | 2019-02-22 | 杭州之山智控技术有限公司 | Straight-bar machines plays plate control system and its method |
-
2009
- 2009-08-21 CN CN2009201703742U patent/CN201479069U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964624A (en) * | 2010-10-15 | 2011-02-02 | 浙江工业大学 | Sensorless control system of permanent magnet synchronous motor |
| CN101964624B (en) * | 2010-10-15 | 2012-08-22 | 浙江工业大学 | Sensorless control system of permanent magnet synchronous motor |
| CN102136818A (en) * | 2011-02-16 | 2011-07-27 | 万达集团股份有限公司 | Numerical control device for AC permanent magnet synchronous motor |
| CN105932918A (en) * | 2016-05-11 | 2016-09-07 | 南京工程学院 | Method and apparatus for controlling operation velocity of linear servo system of high-precision numerical control machine tool |
| CN109371557A (en) * | 2018-11-21 | 2019-02-22 | 杭州之山智控技术有限公司 | Straight-bar machines plays plate control system and its method |
| CN109371557B (en) * | 2018-11-21 | 2024-02-20 | 杭州之山智控技术有限公司 | Flat knitting machine lifting plate control system and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20120821 |