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Antenna test robot of two degrees of freedom

A technology with a degree of freedom and robotics, applied to antennas, electrical components, etc., can solve the problems of large antenna test interference, large equipment components, difficult installation and debugging, etc., and achieve the effect of high cost, compact structure, and convenient transportation

Active Publication Date: 2013-04-24
南京夸特机电科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The equipment has the following disadvantages: first, the entire equipment is constructed of metal parts, and the more metal parts there are in the surrounding range of the antenna, the greater the interference caused to the antenna test; second, the equipment parts are huge, the manufacturing cost is high, and the installation difficult to debug

Method used

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  • Antenna test robot of two degrees of freedom

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Embodiment Construction

[0020] The two-degree-of-freedom antenna test robot has two independent degrees of freedom of movement, the azimuth movement degree of freedom and the pitch movement degree of freedom. Compensation movement is used to compensate for the phase center deviation caused by the movement of the pitch axis, and does not generate independent degrees of freedom in itself. By setting the given value of the angular position of the azimuth axis (input range 0.0°~360.0°), the azimuth axis drive system will drive the azimuth axis to rotate. During the movement, the angular position of the azimuth axis will be monitored and uploaded by the angular position detection sensor in real time. , the robot control system controls the rotation of the azimuth axis according to the given value of the angular position of the azimuth axis and the feedback value. The rotation accuracy is 0.1°, and the movement speed is adjustable from 1° / s to 20° / s. If the azimuth movement exceeds the normal operating ran...

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Abstract

The invention discloses a novel antenna test robot of two degrees of freedom with phase center unchanged, and belongs to the field of conventional antenna test. The antenna test robot of two degrees of freedom is characterized by comprising an orientation motion module arranged on a main support (1), a pitching motion module and a compensating motion module, wherein the orientation motion module is used for adjusting an antenna polarizing angle, the pitching motion module is used for adjusting an antenna pitching angle, and the compensating motion module is used for making up for antenna phase center deviation produced in the pitching motion to keep the position of the antenna phase center unchanged. Except for an electromotor and a sensor of the antenna test robot of two degrees of freedom, all the other parts of the antenna test robot of two degrees of freedom are made of nonmetallic composite materials of epoxy resin, ceramic bearings, nylon screws and the like, and so that disturbance of antenna test is small. When the antenna test robot of two degrees of freedom is used in the antenna test, no microwave absorbing device is required to be arranged on the periphery of the device, and the robot is suitable for application occasion with a high testing requirement of antenna performance.

Description

technical field [0001] The invention patent designs a two-degree-of-freedom antenna testing robot that keeps the phase center unchanged, and belongs to the field of conventional antenna testing. Background technique [0002] Antenna is an essential device for wireless devices to transmit and receive radio signals. Its quality directly affects the performance of wireless devices and has an important impact on the test of antenna performance. During the antenna test process, the polarization angle and pitch angle of the antenna need to be precisely positioned to test the ability of the antenna to receive radio signals in all directions in space. The most primitive antenna test is carried out manually, the measurement period is long and the error is large, so a special test system is required to test the performance of the antenna, and then an electric turntable is used to adjust the polarization angle and pitch angle of the antenna. [0003] In order to ensure that the phase ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q3/08
Inventor 胡洲王志胜刘建中陈照海宋飞飞刘小芳
Owner 南京夸特机电科技有限公司
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