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Active control system of 65m radio telescope primary reflecting surface

A technology for active control systems, radio telescopes, applied in the direction of electrical components, antennas, etc.

Inactive Publication Date: 2011-01-19
NANJING INST OF ASTRONOMICAL OPTICS & TECH NAT ASTRONOMICAL OBSE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the number of controlled objects has reached an unprecedentedly large level, which poses a great challenge to the control system of the telescope.

Method used

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  • Active control system of 65m radio telescope primary reflecting surface
  • Active control system of 65m radio telescope primary reflecting surface
  • Active control system of 65m radio telescope primary reflecting surface

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] Embodiment 1, the active control system of the main reflector of the 65-meter radio telescope is characterized in that the main reflector of the radio telescope (abbreviation: the main surface) adopts a combined main reflector spliced ​​by several sub-panels, wherein Each sub-panel is connected with several displacement actuators, and the drivers of all displacement actuators are respectively connected with the control computer. The connection method is:

[0075] The main surface of the 65-meter radio telescope is divided into 8 sectors, and all the displacement actuators in each sector are used as a control group; each control group is equipped with a sector controller;

[0076] The server of each sector controller is connected to the main control machine respectively.

[0077] Among them, the structure of a single set of displacement actuator see Figure 5 : This figure is a set of internal structure diagrams in 1104 sets of displacement actuators. It is composed of...

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Abstract

The invention relates to an active control system of a 65m radio telescope primary reflecting surface. The active control system is characterized in that the primary reflecting surface of a radio telescope is a combined type primary reflecting surface formed by splitting a plurality of subpanels, wherein each subpanel is connected with a plurality of displacement actuators, and drivers of all the displacement actuators are respectively connected with a main control machine. The connection manner is as follows: the main surface of the 65m radio telescope is divided into eight sections in which all the displacement actuators are used as a control group; each control group is provided with a section controller; and servers of each section controller are respectively connected with the main control machine. Based on the technique of active control of a large-scale optics astronomical telescope, the invention develops the totally new structure and a control technique of a radio astronomical telescope control system. The active control system can meet more complex and precise technical requirement of the 65m radio telescope on the control system.

Description

technical field [0001] The invention relates to a control system, in particular to an active control system for the main reflection surface of a 65-meter radio telescope. This invention is a key project funded by the National Natural Science Foundation of China, "Large Aperture Active Optical Submillimeter / Millimeter Wave Telescope Scheme and Key Technology Research", and the approval number is: 10833004. Background technique [0002] Radio astronomy is a means of astronomical observation developed similar to the principle of radar, but it only receives radio waves from celestial bodies, and its main tool is radio astronomy telescopes. The main reflector of a radio astronomy telescope is a parabolic radio antenna, which is used to focus radio signals when receiving radio signals from celestial bodies. In the prior art, the main reflection surface of the radio antenna is fixedly installed on the back frame, and can perform azimuth and pitch movement when observing celestial ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q19/12H01Q15/16H01Q3/00
Inventor 张振超毕汪虹王佑李爱华李国平倪季军
Owner NANJING INST OF ASTRONOMICAL OPTICS & TECH NAT ASTRONOMICAL OBSE
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