Brushless motor high-speed optimization control circuit based on modulator coded disc
By using a motor control system with DSP processor and driver chip in the brushless motor control system, combined with an optimized integral separation PID algorithm and differential conversion circuit, the problems of long start-up time of brushless motors and complex control circuits in the prior art are solved, and a miniaturized control system with fast start-up, precise control and circuit simplification are realized.
CN119696421APending Publication Date: 2025-03-25HENAN PINGYUAN OPTO ELECTRONICS CO LTD
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Patent Information
- Application Number
- CN202411834214.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-03-25
AI Technical Summary
Technical Problem
The existing brushless motor control system has too long startup time to meet the coding accuracy requirements and is not suitable for high-speed combat requirements. The control circuit is complex and costly, making it difficult to miniaturize.
Method used
The motor control system based on the DSP processor and driver chip is adopted, and the optimized integral separation PID algorithm and differential conversion circuit are used to achieve rapid start-up and precise control of the brushless motor.
Benefits of technology
It realizes the rapid start of the brushless motor (starting time reaches less than 1s), stable speed (100±0.5r/s), simplified circuit structure, reduced size, and reduced cost, which is suitable for miniaturization and high-speed combat needs.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention relates to the technical field of brushless motor control, in particular to a high-speed optimization control circuit of a brushless motor based on a modulator coded disc, which comprises a DSP (Digital Signal Processor), a motor driving circuit and a differential conversion circuit, and is characterized in that a Hall sensor detects a rotating speed differential signal of the brushless motor on line; the differential conversion circuit converts a differential signal of the Hall sensor into a single-ended signal for the processor to identify and collect; a speed feedback loop of the DSP processor calculates the rotating speed of the motor in real time; a speed feedback loop of the DSP adopts an orthogonal coding interface, and the rotating speed of the motor is calculated in real time through configuration and conversion; a speed control loop of the DSP adopts PWM (Pulse Width Modulation) output, integral separation PID (Proportion Integration Differentiation) control and threshold adjustment to realize motor rotating speed control; the invention provides a control system which is fast in response, high in precision, small in size and low in cost, a digital control technology is used for optimally controlling the high-speed coded disc motor, and the rotating speed of the motor can be flexibly adjusted by setting parameters according to use requirements or load changes.
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