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Control rule verification platform and method capable of configuring redundancy level

A verification platform and control law technology, which is applied in the field of control law algorithm verification of redundant control systems, can solve the problems that key technologies such as synchronization, real-time performance, and multi-control channel coordination cannot be fully verified, so as to improve simulation efficiency and verification Coverage, the effect of a simple composition structure

Active Publication Date: 2017-05-31
XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
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Problems solved by technology

At present, the early verification work in the control law design stage is the algorithm simulation carried out by all-digital means. The verification goal is only limited to the correctness of the control algorithm, and the redundancy management, data transmission , synchronization, real-time, multi-control channel coordination and other key technologies cannot be fully verified

Method used

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  • Control rule verification platform and method capable of configuring redundancy level
  • Control rule verification platform and method capable of configuring redundancy level
  • Control rule verification platform and method capable of configuring redundancy level

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Embodiment Construction

[0055] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0056] A control law verification platform with configurable redundancy levels, including:

[0057] 4 redundant real-time simulation nodes, software loading / system testing computer, Ethernet and reflective memory network,

[0058] Among them, the 4-degree redundant real-time simulation node is composed of 4 embedded computers with identical functions, performances, interfaces and components, running the VxWork real-time operating system; the data is exchanged between the computers through CCDL (Cross Communication Data Link) Cross transmission, CCDL also includes a synchronization cable for clock synchronization management between simulation nodes; real-time simulation nodes run flight control system algorithms, and input and output data through physical I / O interfaces;

[0059] Software loading and system test computer, complete the matlab / Simulink modeling...

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Abstract

The invention belongs to the aircraft control system field, and provides a control rule verification platform and a control rule verification method capable of configuring redundancy level. The control rule verification platform comprises a four-redundancy real-time simulation node, a software loading / system testing computer, an Ethernet network and a reflective memory network, wherein the four-redundancy real-time simulation node is composed of four embedded computers identical in function, performance, interface and composition, and runs a V*Work real-time operation system, data cross transmission is performed among the computers through a CCDL (cross channel data link), the CCDL further comprises a synchronous cable used for clock synchronization management among simulation nodes, and the four redundancy real-time simulation node runs a flight control system algorithm, and inputs and outputs data through a physical I / O (input / output) interface.

Description

technical field [0001] The invention belongs to the field of aircraft control systems and is suitable for verification of control law algorithms of aircraft flight control systems and redundancy control systems in other high-safety and high-reliability fields. Background technique [0002] The control law is the core logic algorithm to realize the control function of the control system. The reliable operation of the flight control system is the guarantee of flight safety, and its slight failure may lead to catastrophic consequences for the aircraft. In order to improve the reliability of the flight control system, under the premise that the basic reliability of the components is certain, its core components such as sensors, computers, actuators, etc. have adopted redundancy technology. At present, the early verification work in the control law design stage is the algorithm simulation carried out by all-digital means. The verification goal is only limited to the correctness ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B17/02
CPCG05B17/02
Inventor 李育安刚李欣
Owner XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
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