Truss manipulator is a kind of fully automatic industrial equipment based on the rectangular x, y, Z [1] three coordinate system, which can adjust the position of the workpiece, or realize the track movement of the workpiece. Its control core is realized by industrial controller (such as PLC, motion control, single chip microcomputer, etc.). Through the analysis and processing of various input (various sensors, buttons, etc.) signals by the controller, after making certain logical judgment, the controller will give the execution command to each output element (relay, motor driver, indicator light, etc.) to complete the joint movement between the X, y, z axes, so as to realize a complete set of full-automatic operation process.

He has many advantages:

1. High efficiency: each axis runs in a straight line at a very high speed, and the servo motor can respond quickly;

2. Stability - minimal repeatability error, up to 0.05mm;

3. High intensity ------ 7x24 hours of work, no need to eat, sleep, smoke, etc;

4. High accuracy - the positioning accuracy can reach 0.02mm (based on the production cost, the positioning accuracy can be appropriately enlarged according to the use conditions);

5. High cost performance: compared with joint robot, it has large load weight and low production cost, which is suitable for the basic situation of "China Intelligent Manufacturing";

6. Simple operation - based on the rectangular coordinate system, its motion parameters are relatively simple.