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剑杆织机电子卷取系统的研究 被引量:1

Research of electronic take-up system in rapier loom
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摘要 针对JWG1728型高速剑杆织机在大卷装卷取过程中存在摩擦盘相对滑动过大、卷布张力不稳定的问题,提出了一种基于伺服电机直接驱动卷布辊的卷取方案.该方案通过实时测量卷布辊半径,利用当前半径值计算出驱动卷布辊所需要的电机转速,进而由控制器驱动伺服电机调速,实现卷绕过程恒张力恒线速度运行的目的.在MATLAB/Simulink开发环境中对卷绕过程进行了建模仿真,当给定纬密后,随着卷取半径的增加,驱动电机转速不断下降,从而保证了织机卷绕线速度的恒定.仿真结果表明,该控制方案达到了卷取过程的预期调速效果,对实际生产具有指导作用. The take-up process of JWG1728 high-speed rapier loom is analyzed and some problems are pointed out that loom take-up roll drive will make friction disc have huger relative friction motion when the volume becomes bigger and the stability of tension is inadequate. Aiming at this problem , the servo motor is adopted to drive take-up roll directly. This proposal measures the real-time radius of take-up roll which is utilized to calculate the motor speed that is enough to drive take-up roll and is regulated by servo motor via controller , in order to keep a constant speed and tension during the winding operation. Considering the process that is simulated in MATLAB/Simulink, when weft density is set, with the take-up radius increasing, the speed of motor drive gradually decreases so as to ensure constant take-up linear velocity. The simulation results show that this control scheme can achieve the expected effect in take-up process and provides instruction to actual production.
出处 《天津工业大学学报》 CAS 北大核心 2014年第2期57-61,共5页 Journal of Tiangong University
基金 国家自然基金面上项目(51077100) 天津市科技支撑重点项目(09ZCKFGX03100)
关键词 剑杆织机 电子卷取系统 经纱张力 MATLAB仿真 rapier loom electronic take-up system warp tension MATLAB simulation
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