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Large-scale air bearing translation device driven by plasma propulsion

A propulsion-driven, large-scale technology, applied to the simulation device of space navigation conditions, transportation and packaging, instruments, etc., can solve problems such as interference, short simulation time, and impact on simulation quality, and achieve long working hours and small size. Effect

Inactive Publication Date: 2016-04-13
HARBIN INST OF TECH
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Problems solved by technology

[0003] After checking the relevant literature, 200720173799.X discloses a two-degree-of-freedom air flotation table powered by a high-pressure gas source. Both the air flotation and the actuator use the gas in the high-pressure gas cylinder, resulting in a very short simulation time, which cannot meet the needs of spaceflight. The need for long-term simulation of the device
[0004] 200410009086.7 discloses a rigid body space position and attitude measurement device and its measurement method, which uses a wire-drawn encoder to realize a contact-type rigid body space position and attitude measurement. This measurement method undoubtedly brings unnecessary interference to the system and affects the The quality of the simulation

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  • Large-scale air bearing translation device driven by plasma propulsion

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Embodiment Construction

[0022] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings, but it is not limited to this. Any modification or equivalent replacement of the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention shall be covered by the present invention. In the scope of protection.

[0023] Such as figure 1 As shown, the large-scale air floatation translation device based on plasma propulsion drive provided by the present invention includes five parts: a plasma driver 1, a translation table body 2, a measuring mechanism, a controller 4, and an electric energy conversion device 5.

[0024] On the translational platform 2, eight plasma thrusters 1 are placed on four sides symmetrically along the center as actuators, that is, the first plasma thruster 1-1 and the second plasma thruster 1-2 are placed on the top. , The third plasma thruster 1-3 ...

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Abstract

The invention relates to a large-range gas floating translation device based on plasma boosting driving and belongs to the field of aerospace direction ground physical simulation and space gesture adjusting. The gas floating translation device is mainly used for achieving translation in a gas floating environment on a two-dimension plane. The gas floating translation device comprises a plasma driver, a translation table body, a measuring mechanism, a controller and an electric energy converting device. A plane grating sensor measures current gesture signals in real time and sends the signals to the controller. The controller carries out computing and sends controlled quantity to each plasma booster which is used as an executing mechanism, and accordingly free motion of the translation table body on the two-dimension plane in three freedom degrees of X, Y and Rz can be achieved. The large-range gas floating translation device has the advantages of being high in system load ratio, high in efficiency and long in working time.

Description

Technical field [0001] The invention belongs to the field of aerospace direction ground physical simulation and space attitude adjustment, and relates to a large-scale air floatation translation device driven by a plasma thruster. Background technique [0002] In today's aerospace field, the attitude adjustment of spacecraft or ground simulation equipment is generally realized by traditional jet methods. The traditional air-jet method needs to carry a cylinder and use the gas in the injected cylinder to adjust the attitude, but the gas in the cylinder is limited, and the gas density is small, the space is large, and the air-jet method has a small output. However, plasma thrusters use laser beams to irradiate the target surface to generate supersonic jets of plasma to generate thrust. Air can be used as a medium in the atmosphere, and suitable propellants can be selected as a medium in space. In this way, in the atmosphere, the plasma thruster can directly absorb the outside air ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64G7/00G05B17/02
Inventor 刘杨陈震宇陈兴林李宗哲刘启循李欣
Owner HARBIN INST OF TECH
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