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Research of Muti-Axis Based on Ethernet Powerlink

Author: LiuZhengMing
Tutor: WangQinRuo
School: Guangdong University of Technology
Course: Control Theory and Control Engineering
Keywords: Axis system Multi-axis controller Ethernet Powerlink Embedded SOPC
CLC: TP273
Type: Master's thesis
Year: 2011
Downloads: 150
Quote: 0
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Abstract


The traditional mechanical major axis in the synchronous control system, each unit physically synchronized and the direct coupling of the machine tool spindle, the advantage is a better synchronization, to ensure that the quality of the product. However, the accumulation of various mechanical parts processing, assembly errors will be passed to the final execution units; system less flexible; mechanical axis prone to shocks total phenomenon; drag multiple loads with a motor, the motor capacity is limited, affecting cell unit output torque; unit load between each other disturbances, is difficult to meet the requirements of modern high-speed, high-precision machining. Shaftless technology applications, provide a new solution for mechanical total axis synchronized motion control system. It is a simple structure, high precision, it is preferred to overcome the disadvantage of the system of mechanical major axis. Requirements to achieve in the printing, textile, paper, etc. There are a wide range of applications in the field of multi-axis synchronization control. This topic shaftless technology presses kinds of application, for example. Comparative analysis of of shaftless technology used in the control strategy: and synchronous primary reference and electronic long axis control strategy. Final choice of the electronic the long axis control strategy as shaftless drive system control method of printing equipment. Presses shaftless drive system learn from the Universal motion controller design using ARM7 and FPGA core structure; motion controller based on the real-time industrial Ethernet Ethernet Powerlink network architecture by building. The focus of the research: First, the motion controller hardware system design to ensure the correct hardware logic, timing and accuracy; second is via Industrial Ethernet Ethernet Powerlink (EPL) servo system to achieve real-time communication, complete shaftless basic functions. The main research topics: (1) analysis of the synchronous control of multi-axis motion control and anti-jamming problem analysis used for a shaftless the control program on electronic long axis strategy and EPL lesson. (2) no axis motion controller for shaftless drive system. Focus on analysis of the control unit, the ARM7 core EPL is the core communications unit and the hardware design of the interface unit and synergies. (3) development of the motion controller driver functions. The associated software modules, and servo control the EPL communication software module design. (4) Experimental verification. Verify control of communication based on the Ethernet Powerlink motion controller.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system
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