Design and Realization on the Optimal Quadratic Controller for the Positional Servo System of Numerical Control System

2011 ◽  
Vol 317-319 ◽  
pp. 1960-1963
Author(s):  
Li Bing Zhang ◽  
Ting Wu
Keyword(s):  
Control System ◽  
Control Method ◽  
Servo System ◽  
Least Square Method ◽  
Least Square ◽  
Servo Control ◽  
Numerical Control ◽  
Recursive Least Square ◽  
Servo Control System ◽  
Position Servo

This paper presents a technique for the position servo system of numerical control (NC) machine tool by utilizing the optimal quadratic controller. The mathematical model of the position servo control system is structured, which of the plant model is identified by making use of recursive least square method. The fundamental method of designing the optimal quadratic controller is proposed. Simulation of the optimal quadratic controller and PID controller are implemented by using MATLAB. The results of simulation show that the proposed control method of positional servo control system has better dynamic characteristics and better steady performance.

Position Servo Control of the Transverse Flux Machine Based on an Armature Current RMS and Initial Phase Control Method

2013 ◽  
Vol 756-759 ◽  
pp. 284-287
Author(s):  
Jia Xie ◽  
Shi Ming Wang ◽  
Yan Xiang Wu ◽  
Zheng Hui Sha
Keyword(s):  
Control System ◽  
Initial Phase ◽  
Control Method ◽  
Servo Control ◽  
Servo Control System ◽  
Electromagnetic Power ◽  
Voltage Balance ◽  
Position Servo Control ◽  
Transverse Flux ◽  
Position Servo

A control method for position servo control of Transverse flux machine (TFM) by controlling armature current Root-Mean-Square (RMS) and initial phase is proposed in this paper. Specifically, the voltage balance equation of TFM is provided, and the phasor diagrams are analyzed to achieve the expression of electromagnetic power of TFM. The expression indicates that the electromagnetic torque is determined by armature current RMS and the initial phase. A position servo control system of TFM is established based on the expression. The results of the position servo control curves show that the position servo control system of TFM is effective.

scholarly journals Optimized PID Controller Based on Beetle Antennae Search Algorithm for Electro-Hydraulic Position Servo Control System

Sensors ◽  
2019 ◽  
Vol 19 (12) ◽  
pp. 2727 ◽  
Author(s):  
Yuqi Fan ◽  
Junpeng Shao ◽  
Guitao Sun
Keyword(s):  
Control System ◽  
Pid Controller ◽  
Search Algorithm ◽  
Three Dimensional ◽  
Parameter Tuning ◽  
Servo Control ◽  
Dimensional Parameter ◽  
Servo Control System ◽  
Position Servo Control ◽  
Position Servo

To improve the controllability of an electro-hydraulic position servo control system while simultaneously enhancing the anti-jamming ability of a PID controller, a compound PID controller that combines the beetle antennae search algorithm with PID strategy was proposed, and used to drive the position servo control system of the electro-hydraulic servo system. A BAS-PID controller was designed, and the beetle antennae search algorithm was used to tune PID parameters so that the disturbance signal of the system was effectively restrained. Initially, the basic mathematical model of the electro-hydraulic position servo control system was established through theoretical analysis. The transfer function model was obtained by identifying system parameters. Then, the PID parameter-tuning problem was converted into a class of three-dimensional parameter optimization problem, and gains of PID controllers were adjusted using the beetle antennae search algorithm. Finally, by comparing the effectiveness of different algorithms, simulation and experimental results revealed that the BAS-PID controller can greatly enhance the performance of the electro-hydraulic position servo control system and inhibit external disturbances when different interference signals are used to test the system’s robustness.

Permanent Magnet Linear Synchronous Motor Servo System Based on DSP

2011 ◽  
Vol 103 ◽  
pp. 388-393
Author(s):  
Dong Qing Hao ◽  
Lian Qing Zhu ◽  
Zhi Kang Pan ◽  
Yang Kuan Guo ◽  
Qing Shan Chen
Keyword(s):  
Control System ◽  
Servo System ◽  
Linear Motor ◽  
Servo Control ◽  
Feedback Signal ◽  
Power Module ◽  
Current Feedback ◽  
Loop Control ◽  
Servo Control System ◽  
Communication Module

Linear motor has a lot of merits, such as simple structure, fast dynamic response, high localization accuracy and great speed capability. It improves the dynamic sensitivity, accuracy and reliability of modern machining. On the basis of analyzing structure trait and operational principle of linear motor, a position servo control system of linear motor based on DSP is designed. This system is constructed according to vector control model. It consists of a control module, a detection module, a power driver module and a communication module. Closed-loop control strategies based on position feedback, speed feedback and current feedback are adopted. The Space Vector Pulse Width Modulation (SVPWM) integrates an inverter and a motor into a whole, which can make the full digital real-time controlling of PMLSM. TMS320LF2812 is selected as the controller in this control system, which can process the feedback signal of the detection module and output motor-droved current signals. The position and speed detection of linear motor is realized by a QEP circuit with a grating bar. Application of intelligent power module (IPM) simplifies the rectifier circuit and protects the circuit. The communication module is used to make connection between the servo system and a PC. The experimental results show that the servo control system proposed in this paper has reliable structure, good control performance, and simplicity in operation.

Design of Blocking Software Based on DSPF2812 Servo Control System

2011 ◽  
Vol 305 ◽  
pp. 214-219
Author(s):  
Xin Ye Gao ◽  
Zhi Qing Li ◽  
Da Peng Fan
Keyword(s):  
Control System ◽  
Servo System ◽  
The State ◽  
Servo Control ◽  
Functional Requirements ◽  
Similar System ◽  
Servo Control System ◽  
Stabilized Platform

Based on the servo system of an Opto-Electronic Stabilized Platform, the idea of blocking software were developed and the process of the design was introduced detailedly by analying the framework and functional requirements of the systerm . At last,the software was finished according to the idea of blocking software.the function and dependability was tested on the state of XDS510 USB2.0 DSP emulator. The test indicated that the design of blocking software improved the dependability of the system, shorted the period of the software empolder .the software was provided with well expansibility, maintenance ability, naturalization ability, cutting ability,mensurability and excellent guidance for the similar system.

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