Six-axes robot kinetic parameter identification method based on neural network
A technology of dynamic parameters and neural network, which is applied in the field of dynamic parameter identification of serial industrial robots and 6-axis robots, can solve problems such as low accuracy of dynamic parameter estimation and difficult control of industrial robots, and achieve suppression of random interference and accurate dynamics The effect of learning parameters and high fault tolerance
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[0042] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings of the description.
[0043] Select a suitable 6-axis robot, and obtain the robot's D-H parameters and other information.
[0044] D-H parameters
[0045] alpha1=pi / 2; a1=160; d1=0; theta1=q1; init_theta1=0
[0046] alpha2=0; a2=575; d2=0; theta2=q2; init_theta2=pi / 2
[0047] alpha3=pi / 2; a3=130; d3=644; theta3=q3; init_theta3=0
[0048] alpha4=-pi / 2; a4=0; d4=0; theta4=q4; init_theta4=0
[0049] alpha5=pi / 2; a5=0; d5=0; theta5=q5; init_theta5=-pi / 2
[0050] alpha6=0; a6=0; d6=109.5; theta6=q6; init_theta6=pi / 2
[0051] The present invention adopts following steps:
[0052] A method for identifying dynamic parameters of a 6-axis robot based on a neural network mainly includes the following steps:
[0053] The first step of dynamic modeling is to establish the D-H link coordinate system of the 6-axis robot, and construct its dynamic equations...
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