It is an innovative work to make the electromagnetic damper with strong magnetic material. Firstly, the structural research and the experimental research on the basic performance of electromagnetic damper have been made. Then the theoretical research is conducted based on the above research results. Thus, the paper put forward and deduced the electromagnetic damper restoring force model and the motion parameter’s effects on its performance. Such as vibration frequency and amplitude are also studied in the paper. The results showed that the new electromagnetic damper is characteristic of simple structure and good performance and that the theoretical model coincides well with the results obtained from the experiments. Keywords:strong magnetic material, electromagnetic damper restoring force model, vibration frequency, motion amplitude value.
The author firstly summarized the principles, performance and theoretical resilience model of the new type electromagnetic damper. The theoretical resilience model is further improved on this basis—normalizing the impact of vibrant frequency and vibrant amplitude on resilience as the impact of single parameter velocity amplitude. The results show that improved model can give a better effect as shown in experiment. This lays a sound foundation for simulation calculation in developing products using for practical engineering and installing the structural vibration reduction system of electromagnetic damper.
Sixty-one unit adaptive optical system was used to analyze the influence of atmospheric turbulence on laser beam transmission in space laser communication system. From low earth orbit planet to ground station Laser communication system was estimated by means of optical design software. In addition, the compensation results, experimental phenomena and data based on adaptive optics were also analyzed in the paper.
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