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M7475B平面磨床电气线路改进
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作者 林惠娟 林滨杰 《哈尔滨轴承》 2007年第1期26-27,共2页
简要叙述了M7475B平面磨床给磁退磁电气线路改进的主要内容及改进后的电气线路。
关键词 平面磨床 给磁 退 电气线路
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Electromagnetic Torque Estimation of a Three-Phase Induction Motor for Setting the Feedrate of a Milling Machine
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作者 Elida Fernanda Xavier Julio Simplicio Amaud da Silva +1 位作者 Cicero da Rocha Souto Isaac Soares de Freitas 《Journal of Mechanics Engineering and Automation》 2014年第6期511-520,共10页
In this paper, it presents a project of a fuzzy controller and a neural estimator to control a coordinate table powered by three-phase induction motor, aiming to implement an intelligent milling system. The position/s... In this paper, it presents a project of a fuzzy controller and a neural estimator to control a coordinate table powered by three-phase induction motor, aiming to implement an intelligent milling system. The position/speed control is performed using vector techniques of three-phase induction machines. The estimation of the motor electromagnetic torque is used for setting the feedrate of the table. The speed control is developed using TS (Takagi-Sugeno) fuzzy logic model and electromagnetic torque estimation using neural network type LMS (least mean square) algorithm. The induction motor is powered by a frequency inverter driven by a DSP (digital signal processor). Control strategies are implemented in DSP. Simulation results are presented for evaluating the performance of the system. 展开更多
关键词 MACHINING speed control torque estimation fuzzy logic neural network
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