一种变细分数的3D打印步进电机控制方法
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摘要
步进电机作为3D打印机上的主要执行元件,其运行速度对打印效率有着重要的影响。现有的定细分数3D打印步进电机控制方法在追求高精度打印的同时往往会牺牲打印速度,为了解决这一问题,提出了一种变细分数的3D打印步进电机控制方法,即大距离范围内采用低细分数,以提升运行速度,在小距离范围内采用高细分数,以保证打印精度。搭建了仿真模型和实验系统,结果表明:提出的变细分数控制方法在保证打印精度的同时提高了打印速度,验证了该方法的可行性与有效性。
Stepper motor is the main executive component of 3D printer,and its running speed has important influence on printing efficiency. The existing method of controlling 3D stepping motor with fixed fraction is always sacrificing the printing speed while pursuing high precision printing. In order to solve this problem,a method for controlling 3D printer stepper motor with variable subdivision was proposed,that is,in large distance range low variable subdivision method was adopt to improve the running speed,and in short distance range high variable subdivision method was adopted to guarantee printing accuracy. A simulation model and experimental system were built,the simulation and experimental results show that proposed control method improve the printing precision and the printing speed,the proposed method is feasible and effective.
Stepper motor is the main executive component of 3D printer,and its running speed has important influence on printing efficiency. The existing method of controlling 3D stepping motor with fixed fraction is always sacrificing the printing speed while pursuing high precision printing. In order to solve this problem,a method for controlling 3D printer stepper motor with variable subdivision was proposed,that is,in large distance range low variable subdivision method was adopt to improve the running speed,and in short distance range high variable subdivision method was adopted to guarantee printing accuracy. A simulation model and experimental system were built,the simulation and experimental results show that proposed control method improve the printing precision and the printing speed,the proposed method is feasible and effective.
引文
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[2]李茂军,刘鼎邦.步进电机细分驱动电磁转矩分析[J].控制工程,2013,20(2):243-245,253.
[3] Crnosija P,Ajdukovic S,Kuzmanovic B. Microcomputer ImpleMentation of Optimal Algorithms for Closed-loop Control of a Hybrid Stepper Motor Drives[C]//IEEE International Symposium on Industrial Electronics,1999.2(6):679-683.
[4] Henke B,Sawodny O,Schmidt S,et al. Modeling of Hybrid Stepper Motors for Closed Loop Operation[J]. IFAC Proceedings Volumes,2013,46(5):177-183.
[5] Jacobsen E,Lyons R. The Sliding DFT[J]. IEEE Trans. Signal Processing Magazine,2003,20(2):74-80.
[6] Yin S,Li X,Gao H,et al. Data-based Techniques Focused on Modern Industry:An Overview[J]. IEEE Transactions on Industrial Electronics,2014,62(1):657-667.
[7] Li Lin,Chu Xiaoli,Nie Wenchao. A Rapid Generation Method of Character Doll with Rotatable Limbs Oriented to 3D Printer[J]. Computer Aided Drafting,Design and Manufacturing,2014,24(1):23-26.
[8] Dan Sameoto,Carlo Menon. Multi-scale Compliant Foot Designs and Fabrication for Use with a Spider-inspired Climbing Robot[J]. Journal of Bionic Engineering,2008,5(3):189-196.
[9]王振华,薛严冰,许琳娜.基于STM32的立体式3D打印机控制系统设计[J].自动化技术与应用,2017,36(3):130-134.
[10] Matsui N,Nakamura M,Kosaka T. Instantaneous Torque Analysis of Hybrid Stepping Motor[J]. IEEE Transactions on Industry Applications,1996,32(5):1176-1182.
[11]杨超,张冬泉.基于S曲线的步进电机加减速的控制[J].机电工程,2011,28(7):813-817.
[12]王玉琳,王强.步进电机的速度调节方法[J].电机与控制应用,2006,33(1):53-56.
[13] Deng Chongyang,Wang Guozhao. Generating Planar Spiral by Geometry Driven Subdivision Scheme[J]. Science in China Series F:Information Sciences,2009,52(10):1821-1829.
[14]许永衡,陈志锦,张天佑.步进电机细分驱动技术Simulink仿真[J].机电产品开发与创新,2016,29(6):81-83.
[15]王勇,王伟,杨文涛.步进电机升降速曲线控制系统设计及其应用[J].控制工程,2008,15(5):576-579.