Design, Analysis, and Implementation of a Four-DoF Chair Motion Mechanism

Abstract

In this study, the proposed design of a motion chair with four degrees of freedom (DoF) provides the pilot with the tactile sensations required by the human body to increase the immersion of flight simulation training. The chair includes a seat pan, a back pad, and a seat height. For the development of the proposed mechanism structure, the modular design is used to achieve the required displacement and acceleration. In addition, inverse kinematics is also constructed to meet the actuation needs. The control system can achieve real-time closed-loop control using an industrial computer, a motion control card, servo motors and drivers. This enables the structure to reach destinations with the shortest motion time and completes the required T-curve motion trajectory. The displacement, velocity, and acceleration of the designed structure are analyzed using SimWise4D software to verify the performance specifications of the structure. The experimental results indicate that the four-DoF control meets requirements of displacement, velocity, and acceleration.

Design and Implementation of a New Training Flight Simulator System

“…The virtual space synchronous multi-axis motion device for flight simulation was designed and developed in this research. With the IG visual effect map of the flight simulator scene, the real-time dynamic visual effect map is matched with the relevant functions of the platform operation test, allowing the trainer to experience the realistic comparative force and rotation angular velocity [ 22 ]. Under this goal, the design can perform long-distance stroke, continuous rotation, other related actions and the technology of the simulation system will be more advanced, more realistic and meet the training needs and other directions.…”

“…In addition, some sensors were installed at the middle of platform to acquire motion status to track and monitor the performance evaluation. To the best of our knowledge, the ideas we mention have not been presented in previously published papers [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 ]. As a result, this paper presents some new ideas in terms of kinematics and a motion-cueing algorithm, the servo motion is executed by the programmable controller, and the commands are read and received through the Ether-CAT communication port to achieve synchronous simulation.…”