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PCB-based distributed magnetic moment device

A magnetic torque device, distributed technology, applied in the field of satellite attitude control, can solve the problems of expensive magnetic torque device, single backup, low reliability, etc., and achieve the effect of weight reduction, production cost reduction and high working reliability

Active Publication Date: 2017-01-18
哈尔滨工大卫星技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as the number of PCB layers increases, the cost increases exponentially, so the traditional PCB-based magnetic torquer is expensive, has a single backup, and has low reliability

Method used

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  • PCB-based distributed magnetic moment device
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Experimental program
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specific Embodiment

[0066] One: The number of PCB boards that satellites can integrate magnetic torque devices: 4 computer boards, 2 power boards, 2 data transmission boards, 2 interface boards, 2 load boards, 6 sail boards, a total of 18 PCB boards , press all PCB boards in the star figure 2 The method is divided into three groups according to the satellite star coordinate system O-XYZ, and each group contains 6 PCB boards.

[0067] Two: The size of the PCB board is 10cm*10cm, and each board integrates a 4-layer internal magnetic torque device. The parameters of the magnetic torque device coil: the outermost coil size is 9cm*9cm, leaving a place for the structural installation hole, and the line width is 10mil. The wire thickness is 1oz, the wire distance is 6mil, and the number of single-layer coils is 20 turns.

[0068] Three: Calculate the magnetic moment generated by the single-layer magnetic torque device as 0.0057Am 2 . To achieve effective control of the satellite, the attitude control ...

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Abstract

The invention provides a PCB-based distributed magnetic torque device with low cost and redundancy backup and is in the satellite attitude control field. The invention includes K magnetic torque devices and K-block PCB boards, each magnetic moment device is integrated in a PCB board, each magnetic moment device comprises an N-layer coil, and the K-block PCB board is divided into three groups, respectively according to the satellite body coordinate system O- XYZ directions are fixedly provided. The PCB board is an existing PCB in the satellite. The device also comprises a control circuit; each pole of the magnetic moment generator is connected to the control circuit; the control circuit is used for realizing the gating to the magnetic moment device. The present invention is used in attitude control systems for satellites.

Description

technical field [0001] The invention relates to a magnetic torque device, in particular to a PCB-based distributed magnetic torque device, which belongs to the field of satellite attitude control. Background technique [0002] Micro-nano satellites are a direction for the development of aerospace technology. Compared with other types of satellites, micro-nano satellites have the characteristics of short design and development cycle, low cost, easy modularization and mass production, and easy management, which is conducive to the development of new technologies. On-orbit test verification. At present, a large number of scientific research institutions and universities are conducting research on micro-nano-satellites, and a large number of micro-nano-satellites have successfully flown in orbit. [0003] The attitude control system of the satellite is one of the core systems of the satellite, and it is the key to the communication between the satellite and the ground and the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64G1/32
CPCB64G1/32
Inventor 王峰邱实俞阳吴凡郭金生
Owner 哈尔滨工大卫星技术有限公司
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