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Inductosyn angle measurement error analysis and compensation method

An inductive synchronizer and error analysis technology, applied in the field of detection, can solve the problems of difficult model establishment, incomplete analysis, and low efficiency.

Active Publication Date: 2018-11-06
HARBIN INST OF TECH
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problems existing in the analysis and compensation method of the induction synchronizer in the above-mentioned prior art, such as incomplete analysis, unsatisfactory compensation effect, limited number of sampling points, low efficiency and difficulty in model establishment, and then provide a Analysis and Compensation Method of Angle Measurement Error of Inductive Synchronizer

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[0072] The present invention will be described in further detail below in conjunction with the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation is provided, but the protection scope of the present invention is not limited to the following embodiments.

[0073] Such as Figure 1 to Figure 5 As shown, this embodiment involves a method for analyzing and compensating an angle measurement error of an inductive synchronizer, including:

[0074] A related system of an angle measurement error analysis and compensation method of an inductive synchronizer such as figure 1 As shown, the system is mainly composed of single-axis high-precision precision test turntable body 1 (including absolute circular grating), test computer 2, data acquisition and driving device 3, induction synchronizer 4, signal processing device 5 and excitation device 6. Among them, the data acquisition and dr...

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Abstract

The invention provides an inductosyn angle measurement error analysis and compensation method and belongs to the technical field of detection. The method comprises: using a high-precision single-axistest rotary table as an angle measurement reference and using the least squares identification method to analyze respective harmonics of the angle measurement of the inductosyn; making targeted hardware adjustment according to an analysis result; acquiring error data again as a compensation sampling point, and using the linear interpolation method to compensate the angle measurement error software. The method solves the problems that the existing inductosyn analysis and compensation method is incomprehensive in analysis, unsatisfactory in compensation effect, limited in the number of samplingpoints, low in efficiency, and difficult in model creation.

Description

technical field [0001] The invention relates to an angle measurement error analysis and compensation method of an inductive synchronizer, which belongs to the technical field of detection. Background technique [0002] The paper "Separation Technology of Angle Measurement Error of Circular Induction Synchronizer" (Proceedings of the Chinese Society for Electrical Engineering, Ren Shunqing, 200104) analyzed the composition of the angle measurement error of the circular induction synchro In the actual test of the angle error, the separation method of the long-period first harmonic, short-period first harmonic and second harmonic for the angle measurement error of the inductive synchronizer is proposed, and the corresponding software and hardware compensation technology is adopted to improve the induction synchronization. angle measurement accuracy. Its disadvantages are: although the error separation technology proposed based on the mechanism of the measurement error of the i...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/30
CPCG01B7/30
Inventor 马广程于兴东夏红伟王常虹马长波
Owner HARBIN INST OF TECH
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