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Electric simulator of gyro

A technology of electrical simulation and simulator, applied in the direction of instruments, measuring electricity, measuring electrical variables, etc., can solve the problem that the electrical simulator and gyroscope cannot be connected to the satellite test system at the same time, so as to simplify the satellite system test and structure. simple effect design

Inactive Publication Date: 2011-10-19
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the electric simulator of the gyroscope and the gyroscope can not be connected to the satellite test system at the same time in the existing equipment or device, and a kind of electric simulator of the gyroscope is provided.

Method used

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  • Electric simulator of gyro
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specific Embodiment approach 1

[0010] Specific implementation mode 1: the following combination figure 1 This embodiment will be described in detail. An electrical simulator for a gyro, which includes a functional simulation module 1, a simulator data interface circuit 2, a power supply input interface circuit 5 and a data drive interface circuit 7. The drive data output terminal of the data drive interface circuit 7 and the functional simulation module 1 The drive data input terminal is connected, the control signal output terminal of the simulator data interface circuit 2 is connected to the control signal input terminal of the functional analog module 1, and the voltage output terminal of the power supply input interface circuit 5 is connected to the voltage input terminal of the functional analog module 1. It also includes a signal processing module 3, a satellite device data interface circuit 4, and a power supply output interface circuit 6. The control signal output end of the simulator data interface c...

specific Embodiment approach 2

[0019] Embodiment 2: The difference between this embodiment and the electric simulator of a gyroscope described in Embodiment 1 is that the simulated sensitive data output by the functional simulation module 1 refers to the simulation of a satellite equipped with a gyroscope by the electric simulator Angular velocity data output by the gyro when operating in space.

specific Embodiment approach 3

[0020] Embodiment 3: The difference between this embodiment and the electrical simulator of a gyro described in Embodiment 1 is that the gyro signal output by the on-board device data interface circuit 4 refers to the gyro being connected to the test system The signal data obtained in this is composed of satellite sensitive data, satellite status data and checksum. The satellite status data refers to temperature information data, power supply information data and instruction reception status data.

[0021] One frame of the gyro signal described in this embodiment is composed of four bytes. The first byte and the second byte store sensitive satellite data. The gyro is not really operating in space, so the satellite sensitive data is Invalid; the third byte stores the satellite status data, and the fourth byte stores the checksum. The checksum is used to verify the sum of a group of data items. Because the satellite sensitive data is invalid, the checksum is also invalid .

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Abstract

The invention provides an electric simulator of a gyro, and relates to an electric simulator of a satellite facility, which aims at solving the problem that an electric simulator of a gyro and the gyro can not be simultaneously connected to a satellite test system in an existing facility or device. The electric simulator comprises a functional simulation module, a simulator data interface circuit, a power supply input interface circuit, a data driven interface circuit, a signal processing module, a satellite facility data interface circuit and a power supply output interface circuit, wherein simulation sensitive data signals output by the functional simulation module and gyro signals output by the satellite facility data interface circuit are isolated and synthesized in the signal processing module, the processed signal output end of the signal processing module is connected with the processed signal input end of the simulator data interface circuit, and the voltage output end of the power supply input interface circuit is connected with the voltage input end of the power supply output interface circuit. The invention realizes that the electric simulator of a gyro and the gyro canbe simultaneously connected to a satellite test system, and is used for the satellite attitude control system or the whole-satellite test.

Description

Technical field [0001] The invention relates to an electrical simulator for on-board equipment. Background technique [0002] The satellite electrical performance test process includes component test, sub-system test and whole-satellite test. During the sub-system test and whole-satellite test or at certain stages of the test process, some auxiliary equipment or devices are needed to simulate the real satellite. Equipment to achieve the purpose of sub-system or whole satellite electrical performance testing, these auxiliary equipment or devices that simulate real equipment are called electrical simulators. The electrical simulator mainly simulates the structure of the electrical interface of the real on-board equipment, the processing of the communication protocol, the data flow and the timing characteristics, etc. [0003] The electrical interface of the electrical simulator of the on-board equipment is exactly the same as the electrical interface of the simulated on-board equipm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/00
Inventor 李化义李冬柏董利珉李璟璟仲惟超邓泓张迎春徐海玉
Owner HARBIN INST OF TECH
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