An Electronics Simulation Test System of Focusing Mechanism

Abstract

The invention relates to an electronic simulation test system of a focusing mechanism, which includes a power simulation module, a signal acquisition module, a signal processing module, an industrial computer and a host computer connected in sequence; It is the driving signal of the stepping motor, the encoder and Hall signal, and the power simulation of the stepping motor; the signal acquisition module is used to collect the analog driving signal output after the simulation in real time; the signal processing module is used to calculate the duty of the analog driving signal Ratio, and record the number of steps of the stepper motor, and generate and output the encoder and Hall signals to the controller; the industrial computer is used to complete the data interaction and control between the signal processing module and the host computer; the host computer is used for remote access The industrial computer collects and processes the data results, setting parameters, working modes, etc. The invention has strong reliability, versatility and maintainability for testing the electrical interfaces of different types of focusing mechanisms, and has high application value.

Description

technical field [0001] The invention relates to the technical field of focus adjustment mechanisms, in particular to an electronic simulation test system for a space focus adjustment mechanism. Background technique [0002] The focusing mechanism, especially the focusing mechanism of the space optical load, plays a vital role in today's military, science and technology, meteorology and other fields. The space optical payload can carry satellites and other spacecraft into a specific orbit, and can detect targets on the ground and deep space. Under the control of the ground operation and control center, the scientific data will be downloaded to the ground receiving station for scientific data analysis. [0003] With the rapid development of aerospace technology, the application of space optical payloads is becoming more and more extensive, and obtaining clear and complete image data has become the main demand of scientific researchers. Due to the impact of the vibration of th...

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Problems solved by technology

[0005] Based on this, it is necessary to propose an electronic simulation of the focusing mechanism for the problems that the payload hardware interface and protocol do not match the focusing mechanism and easily cause damage to the focusing mechanism or other equipment during the test of the electrical interface of the space optical payload. The test system, through the electronic simulation test system, replaces the stepper motor, Hall sensor, encoder, moving components and other equipment in the real focusing mechanism to participate in the electrical interface test of the load body, thereby verifying the closed loop between the focusing mechanism and the controller Control function, the electronic simulation test system has strong reliability, versatility and maintainability for electrical interface tests of different types of focusing mechanisms, and has high application value

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