System for testing rotation and vibration performance of inertia device

Abstract

The invention discloses system for testing the rotation and vibration performance of an inertia device, which consists of a rotation driving system, a vibration test system, a rotation and vibration tool and a data testing system. In the rotation driving system, a motor drives the inertia device to be tested to rotate through a flexible shaft; in the vibration test system, a vibration table drives the inertia device to be tested to vibrate through a gapless bearing; and in the data test system, the output data of the inertia device to be tested are tested by a conducting slip ring. In the system for testing the rotation and vibration performance of the inertia device, the motor operates in a non-vibration environment, the bearing has excellent vibration performance, and the data test system is free from data wire torsion. The system testing the rotation and vibration performance of the inertia device can be used to test the performance of various inertia devices when the inertia devices rotate on any shaft and vibrate along a direction parallel or perpendicular to the shaft, and has a rotation speed of 0 to 10,000 degrees per second, a rotation angle free from limitation, a random vibration of 1 g<2> / Hz within a range from 10 to 2,000 HZ, and the sine sweep vibration of 30 g within a range from 10 to 2,000. At present, no other system can achieve the same goal.

Description

technical field [0001] The invention relates to a performance test system of an inertial device, in particular to a performance test system for the rotational vibration of an inertial device. Background technique [0002] Inertial devices are the general term for inertial measurement devices such as gyroscopes, accelerometers, and gyro-stabilized platforms. They measure the angular velocity or acceleration of the carrier relative to the inertial space based on the inertial force or moment of inertia. The inertial device is the core device in the inertial navigation system, and its performance directly affects the performance of the inertial navigation system, so it needs to be tested under the corresponding application conditions before use. In addition to testing the response of inertial devices under single disturbances such as rotation, temperature, and vibration, the response to simultaneous disturbances of rotation and vibration is tested—"rotational vibration performan...

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Problems solved by technology

The problem with this method is that the actual rate table cannot meet the above-mentioned "sturdy" requirement, that is, there is no rate table that can work normally in the vibration environment provided by the vibration table.

Therefore, the above method does not have practical guiding significance, and there is no other method, system or successful test case for testing the rotational vibration performance of inertial devices at home and abroad. Therefore, it is necessary to design a system for testing the rotational vibration performance of inertial devices that can be realized in engineering. First steps to address existing problems

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