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Degradable triple redundancy synchronous voting computer control system and method

A technology for synchronous voting and control systems, applied in computer control, general control systems, control/regulation systems, etc., can solve problems such as control system failures

Inactive Publication Date: 2015-10-28
孙军
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Problems solved by technology

However, the current ship dynamic positioning system has only one synchronous voting system. Once the synchronous voting system fails, the defect of the entire control system will be caused.

Method used

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  • Degradable triple redundancy synchronous voting computer control system and method
  • Degradable triple redundancy synchronous voting computer control system and method

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Embodiment Construction

[0026] Such as figure 1 As shown, the degradable three-redundant synchronous voting computer control system and method of this embodiment include three control computers 3 with the same structure, two synchronous voters 4 with the same structure, three sets of sensor systems 1 and three data acquisition systems device 2, three sets of sensor systems 1 are respectively connected with three control computers 3 through data collector 2, and provide sensor data for control computers 3. The two synchronous voters 4 are connected to each other to complete the transmission of data information and monitoring information. The two synchronous voters 4 are interconnected through serial ports to realize the exchange of state information and mutual monitoring. The control computer 3 cooperates with the synchronous voter 4 to complete data synchronization, sensor data and control rate calculation. Data voting, fault detection and system reorganization and other functions.

[0027] Specific...

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Abstract

The present invention provides a degradable triple redundancy synchronous voting computer control system and method. The degradable triple redundancy synchronous voting computer control system consists of three sets of sensor systems, three data collectors, three control computers and two synchronous voters; wherein the sensor systems transmit sensor data to the corresponding data collectors, the data collectors pack the sensor data and then transmit the packed sensor data to the corresponding control computers, the control computers are connected with the synchronous voters, so as to achieve transmission of the sensor data, control rate resolving data and instruction messages, and the two synchronous voters are connected with each other through serial ports to achieve exchange of state information and mutual monitoring. According to the degradable triple redundancy synchronous voting computer control system of the present invention, the control computers cooperate with the synchronous voters to achieve the functions of data synchronization, voting of the sensor data and the control rate resolving data, fault detection, system reconfiguration, etc.

Description

technical field [0001] The invention relates to a degradable three-redundancy ship dynamic positioning control system. Background technique [0002] The Dynamic Positioning System (Dynamic Positioning System) is a closed-loop control system that uses sensors and its own power to keep the ship at the target position or heading as much as possible. It is mainly composed of computer system, sensor system, display system, position reference system and thruster system. Due to the complex and changeable marine environment, the working environment of the dynamic positioning system is very harsh, which poses a severe test to the stability, reliability and safety of the ship dynamic positioning system. However, the current ship dynamic positioning system has only one synchronous voting system. Once the synchronous voting system fails, it will cause the defect of the entire control system failure. Contents of the invention [0003] The purpose of the invention of this application ...

Claims

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Application Information

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IPC IPC(8): G05B19/042
CPCG05B19/0421
Inventor 孙军
Owner 孙军
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