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Novel AC servo system

An AC servo, a new type of technology, applied in the control system, AC motor control, electrical components and other directions, to achieve fast speed response, strong anti-shock disturbance ability, high precision

Inactive Publication Date: 2018-06-05
吴庆宝
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although work in this area is already underway, it still needs to be strengthened

Method used

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with drawings and embodiments.

[0020] Such as figure 1 , the system adopts AC-DC-AC voltage circuit, the main circuit is mainly composed of rectifier circuit, filter circuit and intelligent power module IPM inverter circuit, the control part takes TMS320F2812 DSP controller chip as the core, which is used to complete the current loop, speed Ring algorithm implementation, space vector PWM wave (SVPWM) generation, etc. The auxiliary circuit is composed of speed detection circuit, current detection circuit, fault detection protection, keyboard, LED display and serial communication circuit, etc., to realize the speed detection, current detection and monitoring of the host computer of the AC motor.

[0021] The system is a closed-loop system with speed feedback. The system parameters can be input by the keyboard, and the DSP controller is responsible for converting A / D, calculating the speed and positio...

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Abstract

The invention provides a novel AC servo system which is suitable for the field of electrical control. According to a solution of a TMS320F2812-based permanent magnet synchronous motor digital AC servosystem, the hardware includes an overall circuit, a power driving circuit, a speed and position detection circuit, a system protection circuit and an LED display circuit, and according to the software, the program design of a vector control system comprises a main program and an interruption service sub program. The servo control system has the advantages of a fast rotation speed response, high impact and disturbance resistance ability, good adjustment performance of speed control, stable working, strong anti-interference performance and reliability and high precision.

Description

Technical field [0001] The invention relates to a novel AC servo system, which is suitable for the field of electric control. Background technique [0002] The vertical integration of motor, feedback, control, drive and communication has become a development direction of the current low-power servo system. Sometimes we call this motor that integrates drive and communication a smart motor, and sometimes we call a drive that integrates motion control and communication a smart servo drive. The integration of motor, drive and control makes the design, manufacture, operation and maintenance of the three more closely integrated. However, this method faces greater technical challenges (such as reliability) and the challenges of engineers' usage habits, so it is difficult to become the mainstream, and it is a small and distinctive part of the entire servo market. [0003] The general-purpose driver is equipped with a large number of parameters and rich menu functions, which is con...

Claims

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Application Information

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IPC IPC(8): H02P27/12
CPCH02P27/12
Inventor 吴庆宝
Owner 吴庆宝
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