Spacecraft rendezvous and docking multi-degree-of-freedom semi-physical simulation method and device thereof

Abstract

The invention provides a spacecraft rendezvous and docking multi-degree-of-freedom semi-physical simulation method and a device thereof. The device comprises a machine body, a cross beam, a vertical beam, a three-shaft turntable, a motion simulation device controller, a GNC system and a measurement system. The machine body is mounted on a ground base. The cross beam is placed on the guide rail of the machine body. The vertical beam is installed on the guide rail of the cross beam. The three-shaft turntable is installed on a vertical beam guide rail. The motion simulation device controller, the GNC system and the measurement system are placed next to a system. Based on a similarity theorem and a scaling ratio criterion, the effective travel range of a simulation device is determined according to an aircraft actual flight range, and assuming that a scaling parameter is k, according to the actual flight condition of the aircraft, assuming that an aircraft true maximum speed, an acceleration, an angular speed and an angular acceleration are v[max], a[max], omega[max], and alpha[max] respectively, the maximum speed, the acceleration, the angular speed and the angular acceleration of the simulation device are determined as k*v[max], k*a[max], omega[max], and alpha[max]. The method and the device have the advantages of a wide application range, a simple structure, and multi degrees of freedom.

Description

technical field [0001] The invention relates to a simulation technology, specifically a semi-physical simulation method and a device thereof for the relative motion and control method of the middle and long-distance tracking aircraft and target aircraft in space rendezvous and docking. Background technique [0002] Space vehicle rendezvous and docking technology is complicated. Due to the special environment, its reliability and accuracy need to be guaranteed, so it must be simulated on the ground. Although since the 1960s, countries have established their own space rendezvous and docking simulation systems, but there are few studies on the simulation methods for the mid-to-long range segment. However, the results of the mid-to-long-distance section are directly related to the final rendezvous and docking results, so the research on the simulation method for the mid-to-long-distance section has important practical significance and application value. [0003] After searching...

AI Technical Summary

Problems solved by technology

And the invention adopts laser intersection radar, and the suitable measurement distance is at least 50 meters, so the application occasions are greatly limited

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