Precise static balance trimming method for pitch axis of large-size photoelectric theodolite
A photoelectric theodolite and pitch axis technology, which is applied in static/dynamic balance testing, instrument, machine/structural component testing, etc., can solve problems such as time-consuming, difficulty in ensuring trim accuracy, and 3D modeling difficult to meet the needs of engineering practice, etc. Achieve the effect of avoiding motor damage and improving calculation accuracy
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[0047] The present invention will be further described below in conjunction with accompanying drawing.
[0048] 1. Composition of photoelectric theodolite pitch axis static balance trim system
[0049] like figure 1 As shown, the existing photoelectric theodolite pitch axis servo control system consists of a pitch shaft system and a bearing (not shown in the figure), a pitch axis motor, a high-precision angle sensor, and a high-precision angular velocity sensor (some photoelectric theodolites are not equipped with a high-precision angular velocity sensor , the angular velocity information is calculated by the angle information of the high-precision angle sensor. This method is also applicable to the static balance trimming of this type of photoelectric theodolite), a motor driver unit, a motor current information acquisition and processing unit, and a servo control computer.
[0050] The pitch axis motor, high-precision angle sensor, and high-precision angular velocity sensor...
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