Digital vibrating table moving part automatic centering device
A moving parts, automatic centering technology, applied in the direction of electric controllers, controllers with specific characteristics, etc., can solve the problems of misjudgment, poor anti-interference ability, low centering accuracy, etc., to achieve convenient operation and anti-interference ability. Strong and stable centering effect
Pending Publication Date: 2021-11-30
6 DOF VIBRATION TESTING DEVICE WITH ELECTRODYNAMIC EXCITATION +1
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Problems solved by technology
The automatic centering device of the moving parts of the shaking table at home and abroad generally uses eddy current sensors or photoelectric switches to detect and obtain the center position of the moving parts of the shaking table, and the signal processing module is realized by analog circuits. The main disadvantages are low centering accuracy and anti-interference Poor, misjudgment and other problems may occur
Method used
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Embodiment 2
[0031] Embodiment 2, on the basis of Embodiment 1, the centering control module 3 is equipped with a Linux real-time operating system with a simplified kernel.
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Abstract
The invention discloses a digital vibrating table moving part automatic centering device. According to the device, an embedded main control board based on a Linux system is adopted, and is matched with a high-definition touch screen and a high-speed data acquisition module, so that the system has better operability, real-time performance and reliability. The centering control device comprises a centering control module, a touch screen, a data acquisition module, a position information detection module and an execution mechanism; the position information detection module comprises a trapezoidal black and white strip paper tape and a detector, the trapezoidal black and white strip paper tape is pasted on a moving part, the detector comprises a displacement sensor and a probe, the sensor and the probe are in coupling connection through an optical fiber; the data acquisition module comprises an analog-digital data acquisition chip and a peripheral filter circuit; and an analog input channel of the data acquisition module is connected with an analog output channel of the displacement sensor.
Description
technical field [0001] The invention relates to the technical field of position acquisition of moving parts of a vibrating table, calculation of a center position and pneumatic servo control of an airbag chamber, in particular to a digital automatic centering device for moving parts of a shaking table. Background technique [0002] Electric vibration table is a kind of test equipment used to simulate the effect of vibration environment, which is widely used in aviation, aerospace, rail transportation, electronics and shipbuilding industries and other fields. During the experiment, the weight of the tested object itself and the structural defects of the mechanical and electrical components of the shaking table system may cause the center of the moving parts of the shaking table to shift in static and dynamic conditions, resulting in a decrease in the testing accuracy of the shaking table, or even A system failure has occurred. As vibration testing equipment, the vibrating ta...
Claims
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Patent Type & Authority Applications(China)
IPC IPC(8): G05B11/42
CPCG05B11/42
Inventor 张旺张红彩张奎华夏树杰王一东陈晨田看丽
Owner 6 DOF VIBRATION TESTING DEVICE WITH ELECTRODYNAMIC EXCITATION
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