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Simulation testing platform and controlling method for hypersonic flight vehicle assessment

A technology of hypersonic speed and simulation testing, applied in the direction of test/monitoring control system, general control system, program control device, etc. cost effect

Active Publication Date: 2014-12-03
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] From a control point of view, a hypersonic vehicle is a fast time-varying, strongly coupled, and strongly nonlinear controlled object, which makes it difficult to compare the advantages and disadvantages of hypersonic vehicle control methods

Method used

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  • Simulation testing platform and controlling method for hypersonic flight vehicle assessment
  • Simulation testing platform and controlling method for hypersonic flight vehicle assessment
  • Simulation testing platform and controlling method for hypersonic flight vehicle assessment

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specific Embodiment approach 1

[0030] Specific embodiment one: a kind of simulation test platform for hypersonic vehicle of this embodiment is realized according to the following steps:

[0031] A simulation test platform for hypersonic vehicle assessment mainly includes four parts: a system initial parameter setting module, a six-degree-of-freedom nonlinear motion model module, a data graphics output module, and a guidance and control algorithm module;

[0032] First complete the system initial parameter setting module, then the guidance and control algorithm module enters the control input, the system initial parameter setting module and control input both enter the six-degree-of-freedom nonlinear motion model module, and then enter the data graphics output module, and the data graphics output module enters the guidance And the control algorithm module then enters the control input and enters the six degrees of freedom nonlinear motion model module;

[0033] The system initial parameter setting module com...

specific Embodiment approach 2

[0037] Specific embodiment two: a method for controlling a hypersonic vehicle is realized in the following steps:

[0038] Step 1, the implementation steps of the main control software;

[0039] Optimize the trajectory to provide the reference trajectory, select the aircraft model, select the linear or nonlinear control guidance method and add it to the guidance and control algorithm module, calculate the aerodynamic parameters through the real-time flight state of the aircraft, and save the flight state data output of the aircraft to a file for future use. Computational evaluation and graphical display;

[0040] Step 2, the implementation steps of the performance evaluation software;

[0041] Simulation evaluation Based on the design of the general test platform, six degrees of freedom simulation;

[0042] According to the limit situation of model uncertainty and interference, establish a simulation situation library; for the selected simulation situation, conduct simulatio...

specific Embodiment approach 3

[0051] Specific embodiment three: what this embodiment is different from specific embodiment two is: the realization step of master control software is based on Matlab / Simulink environment in the step one, realizes off-line emulation by selecting required aircraft model and guidance and control algorithm module, and Real-time monitoring of simulation data information;

[0052] The aircraft model includes a variety of aircraft models with different aerodynamic parameter characteristics, including rigid body models, elastic body models, atmospheric environment parameter models, and aerodynamic parameter models;

[0053]The guidance and control simulation model method library includes a variety of method models, specifically parameterization methods, self-disturbance rejection methods, prediction methods, and steering gear load models, which can realize flight simulation experiments of hypersonic vehicles in different flight stages and fully verify Various control methods have di...

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Abstract

The invention relates to a simulation testing platform and a controlling method for hypersonic flight vehicle assessment and aims to solve the problem of difficult comparison of advantages and disadvantages of current controlling methods for hypersonic flight vehicles. The simulation testing platform for the hypersonic flight vehicle assessment mainly comprises a system initial parameter setting module, a six-degree-of-freedom nonlinearity moving model module, a data graphic output module and a guidance and control algorithm module. The controlling method for a hypersonic flight vehicle includes the following steps of (1) implementation step of main control software, (2) implementation step of performance assessment software and (3) implementation step of off-line simulation. The simulation testing platform and the controlling method for the hypersonic flight vehicle assessment are applied to the field of hypersonic flight vehicles.

Description

technical field [0001] The invention relates to a simulation test platform and a control method for hypersonic vehicle assessment. Background technique [0002] From the control point of view, a hypersonic vehicle is a fast time-varying, strongly coupled, and strongly nonlinear controlled object, which makes it difficult to compare the advantages and disadvantages of hypersonic vehicle control methods. Contents of the invention [0003] The purpose of the present invention is to provide a simulation test platform and control method for hypersonic vehicle assessment in order to solve the difficulty of comparing the advantages and disadvantages of the current hypersonic vehicle control methods. [0004] Above-mentioned purpose of the invention is achieved through the following technical solutions: [0005] A simulation test platform for hypersonic vehicle assessment mainly includes four parts: a system initial parameter setting module, a six-degree-of-freedom nonlinear moti...

Claims

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Application Information

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IPC IPC(8): G06F9/455G06F17/50G05B23/00
CPCY02T90/00
Inventor 段广仁梁晓玲侯明哲谭峰吴文娟
Owner HARBIN INST OF TECH
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