1、毕业设计（论文）毕业设计（论文）外文翻译（原文）外文翻译（原文） Design and Research of a PMLSM-Driven Elevator Door Machine Wang Xu-dong, Ren Ning-ning, Xu Xiao-zhuo School of Electrical Engineering and Automation Henan Polytechnic University Jiao Zuo, China E-mail:R Abstract： Most of the existing elevator door driven by rotary m
2、otors, this paper used to design the permanent magnet linear synchronous motor as the Drive Fixed Motor,the door can eliminate the need of drive mechanism between the motor and the door, direct drive door in a straight line,improve reliability and security of the door machine. Through experimental a
3、nalysis, the design uses DSP and Intelligent Power Module (IPM) combination of control system for elevator door operation by setting curve and stable operation. Keywords： Permanent magnet linear synchronous motor;Elevator Door Machine; DSP I. INTRODUCTION The traditional elevator door, warehouse doo
4、r and civil came door-opening always drove by motor, because crane is a straight-line motion electromechanical integration device of frequent reciprocating,not only its operation and good safety requirements, but the smooth operation and low noise.Because the door is straight-line motion with reciprocating movement,the designation of a mechanical device,which transition the rotary motion of the motor to straight-line motion needed to realize the door open/close,is nec
