System and method for spacecraft semi-physical simulation experiment based on rotor craft

A technology for rotorcraft and semi-physical simulation, applied in general control systems, control/regulation systems, space navigation conditions simulation devices, etc., can solve the problems of complex systems and high costs, and achieve flexible configuration, low cost, and simple structure Effect

Active Publication Date: 2015-12-23
BEIJING INST OF CONTROL ENG
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  • System and method for spacecraft semi-physical simulation experiment based on rotor craft
  • System and method for spacecraft semi-physical simulation experiment based on rotor craft
  • System and method for spacecraft semi-physical simulation experiment based on rotor craft

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[0024] The invention provides a semi-physical simulation system and method for simulating 6-degree-of-freedom movement of a space environment, to simulate various space technologies such as various forms of relative movement, rendezvous and docking, and space operations of spacecraft. The basic principle of the present invention is similar to the experimental method of the above-mentioned mechanical arm snatching simulated aircraft, except that a rotorcraft is used to replace the mechanical arm of the fixed base. The semi-physical simulation system involved in the present invention is composed of a rotorcraft 1, a three-degree-of-freedom cloud platform 2, a force sensor 3, a load 4 (for simulating a spacecraft), computer simulation 8 systems, a wireless communication device 6, and a rotorcraft manual control system. Manipulator 7 is composed. Wherein, a three-degree-of-freedom cloud platform 2 is fixedly connected below the rotorcraft 1, and a load 4 is mounted on the inner sh...

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Abstract

The invention relates to a system and a method for spacecraft semi-physical simulation experiments based on a rotor craft. The system comprises a ground station system and a simulated aircraft. The ground station system comprises a computer simulation system, a wireless communication device, a rotorcraft hand-control manipulator. The simulated aircraft comprises a rotor craft, a three-freedom-degree holder, a force transducer, and a load. The three-freedom-degree holder is fixedly connected under the rotor craft. The load is hung on an inner shaft of the holder. The force transducer is arranged between the holder and the load. Three-freedom-degree mass center motion of the rotor craft simulates three-freedom-degree mass center motion of a spacecraft. Three-freedom-degree rotation of the holder simulates three-freedom-degree posture motion of a spacecraft. The load simulates six-freedom-degree motion of the spacecraft. The force transducer measures stress between the holder and the load, and is used to compensate influence of load gravitational moment. The system and the method greatly reduce realization difficulty, and are advantaged by low development cost and simple and feasible.

Description

technical field [0001] The invention relates to a spacecraft semi-physical simulation experiment system and method based on a rotorcraft, which are used for semi-physical simulation experiments of various operations of the spacecraft under the ground environment simulation space weightlessness environment. Background technique [0002] How to build an experimental platform to simulate various behaviors of spacecraft in a weightless environment is a key issue in the ground simulation system of space technology. A key technology of the ground experiment platform is the simulation of the microgravity environment. So far, there are mainly the following methods for simulating the space microgravity environment on the ground: [0003] Table 1. Space weightlessness environment simulation technology [0004] [0005] Through the comparison of the above methods, it can be seen that there are great difficulties in simulating the microgravity environment on the ground, or the cost ...

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Application Information

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IPC IPC(8): G05B15/02B64G7/00G09B9/12
Inventor 解永春王勇胡勇张昊
Owner BEIJING INST OF CONTROL ENG
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