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FPGA realisation of inverse kinematics for biped robot based on CORDIC

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2 Author(s)
Wong, C.C. ; Dept. of Electr. Eng., Tamkang Univ., Tamsui, Taiwan ; Liu, C.C.

A FPGA realisation structure based on CORDIC is proposed to implement inverse kinematics for a biped robot. First, the angle equations of inverse kinematics for the biped robot are described. Based on these equations represented by the inverse tangent function, a FPGA structure based on two CORDIC operators of circular vectoring and hyperbolic vectoring is proposed and implemented on a FPGA chip. Finally, comparison of the proposed FPGA realisation and the software realisation to calculate these angle equations is presented to illustrate the effectiveness of the proposed structure.

Published in:

Electronics Letters  (Volume:49 ,  Issue: 5 )