Three-rod module attitude coutrol mechanism test method
A technology of attitude control and testing methods, applied in general control systems, control/adjustment systems, test/monitoring control systems, etc.
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[0045] Example 1, in the pre-research of the active main reflector of the large radio telescope "FAST" in my country, the test of the "three-rod module attitude control mechanism" used to control the movement of the active reflector unit block.
[0046] refer to figure 2 , image 3 : The installation and measurement of the experimental device of the three-bar module attitude control mechanism are completed with the help of a total station. First, the total station is placed on the fixed base at position 7 in the figure, and a target is pasted on a pillar about 42m away to establish a coordinate system. For the position of unit block 8 in the coordinate system see image 3 , 9 represents the measured point. Before each measurement, the target was re-measured with a total station to determine the initial position. Three main items are measured. The first is the positioning accuracy of the actuator; the second is the repositionability of the back frame and the actuator itse...
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