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Method for calculating bandwidth of fast reflector and simulation calculation model

A technology of fast mirrors and calculation methods, applied in optical components, optics, instruments, etc., can solve problems affecting the application of fast mirrors to improve the servo accuracy of fast mirrors, and achieve simple structure, high-precision tracking, and high calculation efficiency Effect

Active Publication Date: 2018-07-17
THE GENERAL DESIGNING INST OF HUBEI SPACE TECH ACAD
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Problems solved by technology

However, there is no effective calculation method to derive the relationship between deflection range and bandwidth, which greatly affects the application of fast mirrors and the improvement of servo accuracy of fast mirrors

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  • Method for calculating bandwidth of fast reflector and simulation calculation model
  • Method for calculating bandwidth of fast reflector and simulation calculation model
  • Method for calculating bandwidth of fast reflector and simulation calculation model

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Embodiment Construction

[0050] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the specific implementations of the present invention will be further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to help understand the present invention and do not constitute a limitation to the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0051] The present invention will be further described in detail below with reference to the drawings and embodiments.

[0052] The fast-reflection mirror for calculating the bandwidth required by the present invention includes a fast-reflection mirror actuator, a fast-reflection mirror drive controller, and a fast-reflection mirror. The fast mirror actua...

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Abstract

The invention discloses a method for calculating the bandwidth of a fast reflector, including the following steps: determining a design input; inputting the design input; analyzing and calculating thedesign input; and outputting the bandwidths of the fast reflector under different deflection ranges. The method relies on a simulink simulation platform. A calculation model is set up by using simulink, and codes are written by using a custom module Matlab Function of simulink. The function of the algorithm is achieved step by step, and the algorithm is encapsulated into a block diagram for calling. The method and the model have the advantages as follows: the bandwidth simulation calculation model can be applied to large-load fast reflectors; the calculation result of the bandwidth simulationcalculation model is in line with the practical application; the bandwidth simulation calculation model is simple and practical, and has high calculation efficiency; the bandwidth simulation calculation model can satisfy the bandwidth calculation requirements under different deflection ranges; by using the calculation method, the bandwidth can be maximized under each deflection range; and the application effect will be better under the condition of same bandwidth compared with different ranges.

Description

Technical field [0001] The invention relates to the technical field of fast reflecting mirrors, in particular to a fast reflecting mirror bandwidth calculation method and a simulation calculation model. Background technique [0002] Piezoelectric ceramic fast-reflection mirrors have the characteristics of high resolution and high precision, and have been widely used in the field of beam control. However, the quality of existing fast-reflection mirrors is relatively small, about 20g~100g, fast-reflection mirrors The bandwidth is based on the simulation calculation under the condition of small load and small deflection range. The fast mirror can rotate around the X-axis and Y-axis. The small deflection range means that the angle of rotation around the X and Y-axis is less than 1mrad~2mrad. With the further promotion of the application of fast reflectors, the demand for fast reflectors with high bandwidth, large load, and large deflection range has gradually increased. With high ban...

Claims

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Application Information

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IPC IPC(8): G02B27/00
CPCG02B27/0012
Inventor 吴伊玲武春风李强姜永亮胡黎明张贵清庹文波许彦刚雷杨
Owner THE GENERAL DESIGNING INST OF HUBEI SPACE TECH ACAD
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