Abstract
This paper analyzes that a flexible robot test system should have these properties of data acquisition, servo control, multi-communication modes, complex and fast computation, multitasking and friendly interface. This paper investigates a highly integrated and flexible joint test system for HIT arm based on DSP/FPGA-FPGA. This test system includes two hardware levels, Cartesian level and joint level. The Cartesian level includes a digital signal processing/field programmable gate array (DSP/FPGA) structure. Based on this level, complex control algorithm and fast computation can be carried out; the joint level has the other FPGA, it can realize two joints functions: all sensors data acquisition, servo control. In this test system, there are two communication modes: CAN bus and M-LVDS bus. According to the hardware architecture, a novel software architecture was designed, which consists of three levels: external user level, the higher level and the lower level. This system is flexible, many measures and experiments can be implemented by this system. Experimental results demonstrate the effectiveness of the highly integrated and flexible joint test system.
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