Flight Simulation Platform Research Articles

Coupled CFD/GNC Modeling for the Basic Finner Projectile with Closed Loop

The virtual flight simulation of the Basic Finner projectile has been investigated through coupling solving unsteady Navier-Stokes equations, rigid-body six degree-of-freedom motion equations, guidance, navigation and control law. The flow solver uses a finite-volume method based on structure grid with dual time stepping, the chimera method is used to simulate relative motions, the fourth-order Runger-Kutta method is used to solve the motion equations. A closed loop feedback control law with PID control is required for the elevator to attain the commanded deflection. The predictions show that the PID parameters for the controller must be correctly selected to obtain the proper response. Simulation results show that the virtual flight simulation platform that we developed is capable of solving the complicated unsteady flows with moving boundary, has a strong applicability to engineering application.

Design and Implementation of Reconfigurable Flight Simulation Platform with PC

In accordance with the object-oriented design principles, the flight simulation platform of each function is modular and hierarchical. The 1 Pool 2 Pieces 4 Layers software framework is proposed, using VC++ features to abstract all the replaceable modules to the same class, realizing rapid conversion of a variety of aircraft and different tests, to achieve reconfigurable. The realistic flight dynamics model considering wind disturbance is established, and with F-16 model as an example has conducted digital simulation and visual simulation. The results show that the platform has good maneuverability and fidelity, and provides reliable basis for aircraft design.

A novel method to measure the impact of sea transport motion on sheep welfare

Sheep are subjected to multiple stressors during commercial sea transport, including ship motion, ammonia, novel social dynamics and feed, high stocking density and multiple handling, all of which make it difficult to measure sheep responses to ship motion in isolation during a voyage. A practical method for measuring the impact of ship motions on the welfare of sheep on land was therefore developed, which exposed them to the three most important motions, roll (sideways), heave (vertical) and pitch (fore-aft). Roll and pitch motions were created using a programmable flight simulator platform, and heave motion was simulated elevating the entire apparatus with an electric forklift. Two main methods were developed to investigate the effect of these motions on sheep behaviour, physiology, balance, body posture, heart rate variability, rumination and feed intake. The first method evaluated each of the motions independently, replicating the frequency and magnitude of typical ship movements, taking into consideration the dimensions of a commercial vessel. The second method compared regular and irregular (random) movement sequences to investigate the importance of movement predictability on stress responses from sheep. The behaviour of sheep on the platform was similar to that which has been observed on ship. It is concluded that a detailed understanding of the responses of sheep to ship motion can be obtained by subjecting them to the different components of simulated transport using land-based equipment.

The Design and Application of the All-Digital Flight Simulation Platform

The development of science and technology promotes the development of industrial and the change of idea and thoughts. Combined with the computer technology and information technology development, a lot of scientific technologies achieved huge improvement. In this context, simulation technology has also made a comprehensive and in-depth development, especially in the design and application of the all-digital flight simulation platform. The building of all-digital flight simulation platform has greatly helped pilots' flying in the complex environment, which has important significance to reducing the flight costs, enhancing the pilot combat techniques, etc. In particular, the development and utilization of the UAV will greatly promote the combat capability of the Air Force, and has great significance to enhance the country's military level.

Research of Data Model in Engineering Flight Simulation Platform Based on Meta-Data

The research of data model is a key technology in engineering flight simulation platform. This work analyses the engineering flight simulation platform’s present research situation and specific demands. Then we propose a data model in engineering flight simulation platform based on meta-data. The model shields the heterogeneity of system data and can build association between system data. At last, we finished the data management module in engineering flight simulation platform based on the model mentioned above, which proved that this data model has greater significance in realizing generality and expandability in engineering flight simulation platform.

The Design of Virtual Reality Flight Simulation Platform Based on Rigidbody Kinematics

MATLAB○R /Simulink○R simulation platform with man-in-the-loop was designed to realize virtual reality flight based on rigid-body kinematics. Joystick orders input by operators can be transformed into control signals. Position translation, rotation quaternion and other parameters calculated by flight motion module were sent to 3D virtual reality space. 3D virtual reality space based on VRML was designed by V-realm Builder. Joystick inputs, flight motion module and 3D virtual reality space were combined into a whole simulation system by Simulink 3D Animation Blockset. Results of simulation demonstrated that the simulation platform can realize piloting task under the control of multiple operators with good maneuverability and verisimilar visual human-computer interface when 3D flight trajectory was drawing in the 3D space at the same time.

The Design of a 3D Flight Simulation and Monitoring Platform

A 3D flight simulation and monitoring platform is established based on the technology of 3D terrain rendering, dynamic model drive and data fusion. The platform is supported by a aviation project. The primary purpose of the platform is to monitor and simulate the flight status in real-time. The development process of the platform is introduced and the method of 3D-Terrain is discussed. The simulating and monitoring results show that the platform is available and satisfied requirements. The 3D flight simulation and monitoring platform is also proved to be feasible and reliable.

Modelling, Control and Simulation of a Six-DOF Motion Platform for a Flight Simulator

This paper encompasses a study on the modelling, design and simulation of a motion platform for a flight simulator. The motion platform has a hexapod configuration with six degrees-of-freedom, designed on a biologically inspired concept. A dynamical model of the proposed motion platform is formulated using the principles of flight simulation and Stewart platform modeling. In the first test case, the proposed dynamical model is evaluated in terms of motion requirements for a Level-C flight simulator through real-time simulations using SimMechanics and xPC Target software. X-Plane (a commercial flight simulator package) is used to provide the flight dynamical model for a Level-C flight simulator. In the second test case, a computed torque-based controller incorporating the proposed dynamical model is tested in both forward and inverse dynamics modes to track the flight dynamics of an aircraft. Finally, the paper draws conclusions about the significance and performance of the proposed system in terms of motion cueing errors.