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With the imminent emergence of low-cost tracking solutions, everyday VR users will soon experience the enhanced immersion of natural walking. Even with consumer-grade room-scale tracking, exploring large virtual environments can be made possible using a software solution known as redirected walking. Wide adoption of this technique has been hindered by the complexity and subtleties involved in successfully...
With rapid development of the railway traffic, the moving block signaling system (MBS) method has become more and more important for increasing the track capacity by allowing trains to run in a shorter time-headway while maintaining the required safety margins. In this framework, the tracking target point of the following train is moving forward with its leading train. This paper focuses on the energy...
The area of robotic surgical systems has to deal with several important safety aspects to ensure that the patient and the Operating Room staff are safe. A robotic surgical system has to fulfill specific safety requirements and to ensure that the system reacts like its specification. To this end, a verification process is necessary. In this paper an architecture for robotic surgery is modeled using...
We propose a control strategy for a robotic manipulator operating in an unstructured environment while interacting with a human operator. The proposed system takes into account the important characteristics of the task and the redundancy of the robot to determine a controller that is safe for the user. The constraints of the task are first extracted using several examples of the skill demonstrated...
Crane systems used during offshore installations in harsh sea conditions must satisfy rigorous requirements in terms of safety and efficiency. The vertical vessel motion which is due to ocean waves excites dynamic forces which have an extensive effect on the overall crane structure and its lifetime. Furthermore, the operator gets handicapped during fine positioning of the payload. Thus, compensation...
The safety and comfort control of vehicles in certain cases is considered in this paper. We hope to use detectors plus advanced control methods to realize the satisfactory tracking control, even the proper velocity and acceleration control of vehicles. Because of the intrinsically nonlinear, highly plant uncertain of vehicles and closely interconnected among vehicles, here the method based on the...
This paper presents a predictive gain scheduler for path tracking control in a networked control system with variable delay. The controller uses the plant model to predict future position and find the amount of travel possible with the global path as a constraint. Based on variable network conditions and vehicle trajectory's curvature the vehicle is allowed to travel farther on the current control...
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