The contour error was analyzed based on CNC multi-axis motion control, the contour error model was obtained focused on beeline and different radius of curvature and common contour of curve, for a CNC biaxial motion co...The contour error was analyzed based on CNC multi-axis motion control, the contour error model was obtained focused on beeline and different radius of curvature and common contour of curve, for a CNC biaxial motion control system and the mechanism of producing contour error and the relationship between tracking error and contour error were presented. The theoretical and practical significance of modeling error and controlling error in motion control systems was carried out.展开更多
To satisfy the requirements of motion control for industrial machine, a multi-axis motion controller based on DSP is developed in this paper. The motion controller consists of DSP which plays a main role in this desig...To satisfy the requirements of motion control for industrial machine, a multi-axis motion controller based on DSP is developed in this paper. The motion controller consists of DSP which plays a main role in this design;DPRAM to make sure the rapid and reliable communication with host;FPGA to handle the task of address decoder and receiving feed-back encoder signal;and several peripheral logic circuits. In the part of hardware design, overall structure of motion control system is presented. Then, the Feed-Forward Proportional-Integral-Velocity (FFPIV) scheme which introduces KV in term of velocity loop to achieve the accurate, smooth and real-time response is proposed in the software developing part. The experiment data are carried out to indicate that this motion controller has advantages of superior performance and highly machining precision.展开更多
阐述了实验教学在运动控制课程教学中的重要地位,指出了紧随技术进步的教学实验装置将有助于学生对所学知识的理解和创新能力的培养。设计实现了基于DSP（digital signal processor）的新型运动控制实验装置,包括功率箱、主控箱、电源...阐述了实验教学在运动控制课程教学中的重要地位,指出了紧随技术进步的教学实验装置将有助于学生对所学知识的理解和创新能力的培养。设计实现了基于DSP（digital signal processor）的新型运动控制实验装置,包括功率箱、主控箱、电源箱等部分,详细介绍了各部分的结构、功能和特点。以高性能的异步电机的直接转矩控制为例,研究了它的基本原理,并以该实验装置为平台进行了设计性实验,编写了DSP程序,给出了相应的程序流程图,得到了正确的磁链波形,验证了该实验装置的优良性能。展开更多
基金supported by the Science Foundation of the Education Office of Gansu Province of Chinaunder Grant No.0914-01
文摘The contour error was analyzed based on CNC multi-axis motion control, the contour error model was obtained focused on beeline and different radius of curvature and common contour of curve, for a CNC biaxial motion control system and the mechanism of producing contour error and the relationship between tracking error and contour error were presented. The theoretical and practical significance of modeling error and controlling error in motion control systems was carried out.
文摘To satisfy the requirements of motion control for industrial machine, a multi-axis motion controller based on DSP is developed in this paper. The motion controller consists of DSP which plays a main role in this design;DPRAM to make sure the rapid and reliable communication with host;FPGA to handle the task of address decoder and receiving feed-back encoder signal;and several peripheral logic circuits. In the part of hardware design, overall structure of motion control system is presented. Then, the Feed-Forward Proportional-Integral-Velocity (FFPIV) scheme which introduces KV in term of velocity loop to achieve the accurate, smooth and real-time response is proposed in the software developing part. The experiment data are carried out to indicate that this motion controller has advantages of superior performance and highly machining precision.
文摘阐述了实验教学在运动控制课程教学中的重要地位,指出了紧随技术进步的教学实验装置将有助于学生对所学知识的理解和创新能力的培养。设计实现了基于DSP（digital signal processor）的新型运动控制实验装置,包括功率箱、主控箱、电源箱等部分,详细介绍了各部分的结构、功能和特点。以高性能的异步电机的直接转矩控制为例,研究了它的基本原理,并以该实验装置为平台进行了设计性实验,编写了DSP程序,给出了相应的程序流程图,得到了正确的磁链波形,验证了该实验装置的优良性能。
