A device and method for automatically identifying and testing the deflection angle of a servo mechanism
A technology of servo mechanism and deflection angle, applied in the direction of measuring device, using optical device, character and pattern recognition, etc., can solve the problem of not involving automatic angle recognition, high safety risk in manual testing, high risk of misreading, and achieve the test process. Safety and controllability, avoidance of equipment loss, and low test costs
Active Publication Date: 2021-05-14
HUBEI SANJIANG AEROSPACE HONGFENG CONTROL
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Problems solved by technology
[0006] 1. The servo mechanism load test tooling and method that manually read the deflection angle of the torsion bar have the problems of high risk of misreading, high safety risk of manual test and low test efficiency;
[0007] 2. The publicly available information only involves the automatic recognition of the deflection angle, and does not involve the use of visual recognition to realize the automatic recognition of the angle
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[0049] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0050] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of...
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The invention discloses a device and method for automatically identifying and testing the deflection angle of a servo mechanism. The deflection control signal is sent to the servo mechanism; the pointer assembly includes a pointer that can rotate with the servo mechanism and a fixed dial, which is used to display the deflection angle of the servo mechanism; the visual recognition component includes a camera, which is connected to the tester; used to collect the servo mechanism Deflection angle image, send the deflection angle image to the tester, and calculate the deflection angle value; the torque sensor component includes a torque sensor, one end of the torsion bar is fixed by the torsion bar fixing component, and the other end is connected to the output shaft of the servo mechanism through the torque sensor . The invention can carry out the loading test of the servo mechanism. It can be used repeatedly, the test cost is low, and the test process is safe and controllable.
Description
technical field [0001] The invention belongs to the technical field of aeronautical testing and testing, and relates to a servo mechanism testing device, in particular to a servo mechanism deflection angle automatic recognition testing device and method. Background technique [0002] During the production and development process of the servo mechanism, in order to fully simulate the stress state in the working process to ensure the reliability of product quality, a large number of tests and experiments are required; the most important test is the load test of the servo mechanism. [0003] At present, the commonly used test method is to connect the servo mechanism with the small moment elastic torsion bar through the tooling, apply a certain control signal through the tester to control the rotation of the steering gear, and judge its performance by manually reading the deflection angle of the servo mechanism. However, because this method relies on manual readings, there is a ...
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IPC IPC(8): G01B11/26G06K9/00
CPCG01B11/26G06V20/10
Inventor 李正睿赵文峰朱西薇蔡垭楠车飞方兵
Owner HUBEI SANJIANG AEROSPACE HONGFENG CONTROL