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A SYSTEM FOR MOTION CONTROL, METHOD OF USING THE SYSTEM FOR MOTION CONTROL, AND COMPUTER-READABLE INSTRUCTIONS FOR USE WITH THE SYSTEM FOR MOTION CONTROL
A SYSTEM FOR MOTION CONTROL, METHOD OF USING THE SYSTEM FOR MOTION CONTROL, AND COMPUTER-READABLE INSTRUCTIONS FOR USE WITH THE SYSTEM FOR MOTION CONTROL
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机译:运动控制系统,使用该运动控制系统的方法以及与该运动控制系统一起使用的计算机可读指令
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摘要
A motion control system ane method that includes a central controller configured to generate first and second demand control signals to be used to define actuation motion of respective first and second actuators. The central controller is in communication with first and second nodes by way of a data network, each node including at least a respective actuator configured to implement at an actuator time a motion or force-related effort based upon the respective demand control signal. Each node also includes a memory configured to store at least one respective propagation delay parameter related to a signal propagation delay between the central controller and the node. A timing mechanism establishes timing at each node based on the respectie propagation delay parameters so that the actuator time at the nodes occur simultaneously. Strict cycle and/or full-duplex high-speed communication can be supported. The network can be wired in a ring or as a tree and with twisted pair cabling or fiber. The central controller can also provide a timing message that is used by the nodes, in conjunction with local delay correction circuitry, so that the simultaneous acquisition of data and the simultaneous implementation of controlled action occur.
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