Industrial robot space grid precision compensation method based on neural network
An industrial robot and neural network technology, which is applied in the field of industrial robot calibration, can solve problems such as unsatisfactory results, heavy measurement workload, and large calculation workload, so as to achieve simple and rapid calculation process, reduce measurement workload, and improve absolute positioning accuracy Effect
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[0028] The steps of the industrial robot space grid precision compensation method based on particle swarm optimization neural network in the present invention are as follows:
[0029] Step 1: within the envelope of the industrial robot, the area to be processed in the envelope space of the robot is divided into a series of cubic grids according to a certain step size;
[0030] Step 2: Measure and establish the base coordinate system of the robot through the laser tracker, use the theoretical coordinates of the eight vertices of each cube grid divided in step 1 to control the robot for positioning at several different temperature levels, and track with the laser The instrument measures and records the actual positioning coordinates;
[0031] The steps to establish the association between the laser tracker and the robot base coordinate system are:
[0032] 1) The spherical fixed reflector SMR is fixed on the TCP of the end effector, and the position (angle) of the A2 to A6 axes...
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