CN112212735A - Interactive semi-physical simulation test system - Google Patents

Abstract

The invention discloses an interactive semi-physical simulation test system, which comprises a test seeker, a rotary table, a general control computer, a flight simulation computer, an inertial navigation system, a target simulator, a kinematics simulator, a visual simulation system and a virtual reality interaction system, wherein the test seeker is connected with the rotary table through a communication network; the system provided by the invention can break through the problems of the traditional semi-physical simulation, and can be combined with the virtual reality technology to more truly and effectively perform weapon equipment tests.

Description

Interactive semi-physical simulation test system

Technical Field

The invention belongs to the technical field of semi-physical simulation, and particularly relates to an interactive semi-physical simulation test system.

Background

Semi-physical simulation is to insert some key physical components into a simulation loop, so that the influence of factors such as inaccuracy and interference of a mathematical model can be overcome, the actual condition of a system can be reflected more truly, and the simulation result has higher confidence. This technique of linking a controller with a simulation model of a control object implemented on a computer for testing is called semi-physical simulation because half uses virtual objects and half uses physical objects.

The semi-physical simulation utilizes a computer to simulate an actual operating environment, partial physical objects are placed in the semi-physical simulation, and real-time simulation of a simulation loop is introduced. At present, semi-physical simulation becomes a necessary means for research and development work of various complex systems, and is widely applied to the fields of weapon equipment development, aerospace and the like.

With the continuous development of a plurality of key technologies such as computer graphics, multimedia technology, artificial intelligence, computer simulation technology, sensor technology, computer vision and the like, the virtual reality technology developed based on various disciplines also makes a series of breakthroughs, so that the immersion can be increased, and in addition, the addition of human factors into a virtual environment is also an important development idea.

The traditional semi-physical simulation technology has the problems of insufficient interactivity, insufficient consideration and the like, and cannot comprehensively and reliably evaluate the performance of the system. The special simulation system is specific, the universality is not strong, and the problems of high test cost and low utilization rate exist. In addition, the new technologies such as virtual reality are not high in fusion degree and are not obvious in effect.

Disclosure of Invention

In view of the above, the invention provides an interactive semi-physical simulation test system, which can break through the problems existing in the traditional semi-physical simulation, provides a simulation test system with all factors such as a weapon system, a flight system, a target system and people, and performs weapon equipment tests more truly and effectively by combining with a virtual reality technology.

The technical scheme for realizing the invention is as follows:

an interactive semi-physical simulation test system comprises a test seeker, a rotary table, a general control computer, a flight simulation computer, an inertial navigation system, a target simulator, a kinematics simulator, a visual simulation system and a virtual reality interaction system;

after the main control computer reads the real-time simulation test information, the simulation model is issued to the flight simulation computer;

the flight simulation computer reads the simulation model and then outputs flight simulation data of the guided weapon to the kinematics simulator;

the kinematics simulator controls the guided weapon and the rotary table to move according to the received flight simulation data;

the rotary table provides a real dynamic scene for the guided weapon;

the target simulator simulates and outputs the motion parameters of the target;

the test seeker measures the motion parameters of the target relative to the guided weapon and generates guide information;

the inertial navigation system measures the attitude angle of the guided weapon;

the visual simulation system simulates three-dimensional movement visual animation of a guided weapon and a target in real time according to the position, the speed and the posture output by the flight simulation computer and target movement parameters output by the target simulator;

the virtual reality interaction system controls flight state and battlefield situation information in real time, and feeds back and transmits data to the general control computer in real time.

Furthermore, the test system further comprises a cabin simulator, and the cabin simulator is matched with the virtual reality interaction system to control the state of the airplane and the situation information of the battlefield in real time.

Has the advantages that:

compared with the prior art, the interactive semi-physical simulation test system provided by the invention can overcome the defects of the existing semi-physical simulation, can be used for more effectively simulating the weapon equipment test by combining the virtual reality technology, and has extremely high immersion and interactivity. In the whole simulation process, the test system detects the dynamic performance index of the weapon system in real time, completes corresponding detection work, realizes dynamic test, saves human resources and improves simulation efficiency.

Drawings

FIG. 1 is a system diagram according to an embodiment of the present invention.

Detailed Description

The invention is described in detail below by way of example with reference to the accompanying drawings.

The invention provides an interactive semi-physical simulation test system which comprises a test seeker, a rotary table, a general control computer, a flight simulation computer, an inertial navigation system, a target simulator, a kinematics simulator, a visual simulation system, a virtual reality interaction system and the like, wherein information data are transmitted through a bus.

As shown in fig. 1, a weapon system is directly connected to a test loop, a realistic dynamic scene is provided through equipment such as a turntable, performance indexes of the weapon system are evaluated, various working modes are simulated, and a simulation condition under an operating state is provided.

And after the general control computer reads the simulation test information in the real-time network, the simulation time is issued to each system, and after the flight simulation computer reads the simulation time, a proper weapon model is selected to start flight simulation. In the simulation process, parameters such as speed, position and attitude of the weapon system at any moment are solved in real time, the parameters are transmitted to a visual simulation system through a real-time network, and aerodynamic parameters in the flight process are converted into electric signals to control the rotary simulation attitude of the rotary table through model operation. The target simulator sends the target motion parameters to a real-time network for use by a general control computer, a rotary table and a scene simulation system.

And the master control computer feeds the target distance and the target direction information back to the flight computer for weapon tracking, and feeds the errors of the attitude angle and the simulation attitude angle measured by the inertial navigation system back to the flight simulation computer to correct the attitude angle. The turntable control computer controls the turntable to simulate the target motion direction by using the target motion parameters. And the visual simulation system simulates the weapon system and the three-dimensional motion visual animation of the target in real time according to the parameters such as the position, the speed, the posture, the target motion and the like output by the weapon multi-degree-of-freedom simulation model. The data storage computer reads data from a real-time network and writes the data into a database, so that data query and analysis processing are facilitated. The 'person' acquires information such as airplane state, battlefield situation and the like by means of the cockpit display and control system, real-time control is carried out by means of the universal cockpit simulator in cooperation with the virtual reality system, data are fed back and transmitted to each system through the real-time simulation network, and the system has extremely high immersion feeling and interactivity. In the whole simulation process, the test system detects the dynamic performance index of the weapon system in real time, completes corresponding detection work and realizes dynamic test.

The simulation test system has an open system architecture and good expansion capability, and realizes function expansion by adding corresponding hardware, upgrading software and the like so as to meet the requirements of research, development and verification of a subsequent novel weapon.

In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (2)

1. An interactive semi-physical simulation test system is characterized by comprising a test seeker, a rotary table, a general control computer, a flight simulation computer, an inertial navigation system, a target simulator, a kinematics simulator, a visual simulation system and a virtual reality interaction system;

after the main control computer reads the real-time simulation test information, the simulation model is issued to the flight simulation computer;

the flight simulation computer reads the simulation model and then outputs flight simulation data of the guided weapon to the kinematics simulator;

the kinematics simulator controls the guided weapon and the rotary table to move according to the received flight simulation data;

the rotary table provides a real dynamic scene for the guided weapon;

the target simulator simulates and outputs the motion parameters of the target;

the test seeker measures the motion parameters of the target relative to the guided weapon and generates guide information;

the inertial navigation system measures the attitude angle of the guided weapon;

the visual simulation system simulates three-dimensional movement visual animation of a guided weapon and a target in real time according to the position, the speed and the posture output by the flight simulation computer and target movement parameters output by the target simulator;

the virtual reality interaction system controls flight state and battlefield situation information in real time, and feeds back and transmits data to the general control computer in real time.

2. The interactive semi-physical simulation test system of claim 1, further comprising a cockpit simulator, wherein the cockpit simulator cooperates with the virtual reality interaction system to perform real-time control on flight status and battlefield situation information.

Images