TAILIEUCHUNG - Mechatronics for Safety, Security and Dependability in a New Era - Arai and Arai Part 15

Tham khảo tài liệu 'mechatronics for safety, security and dependability in a new era - arai and arai part 15', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 404 linear translation we had a subject driving the simulator. The actuator intended for longitudinal movement restitution was powered by the above-described classic washout algorithm. This algorithm was computed on a control PC which received the acceleration of the simulated vehicle at . The acceleration signal obtained during the subject s driving contains acceleration phases deceleration and continuous accelerations phases. Following the processing of this acceleration by the washout algorithm this acceleration is transformed into a desữed position profile with a tendency to return to the neutral position during the continuous acceleration phase tig 3 . We noted in this one that with a PID corrector the platform position exactly superposed the desired position. Washout algorithm has been implemented in a two-factor Back of the seat X Motion base repeated measure where the seat variable consists of two levels Back of the seat tilt on or off whereas the magnitude of the platform motion consists of three levels Without Short or Long longitudinal movement . All of these 2x3 experimental conditions requires that the subjects drive the simulator for five minutes on average. In Neimer et al. 2005 we show that best performance is obtained by having a controlled combination of the back of the seat inclination On and Short longitudinal platform displacement. Rotating the entire seat is not considered since it induces false cues. CONCLUSION The proposed driving simulator and the motion cueing algorithm have been used in various psychophysics experiments. Experiments consisted in exploring minimal displacements and subsequent inertial effect restitution to perform file queuing driving situations. Obtained results are presented in Neimer et al. 2005 and show the validity of the proposed concepts. Our future work will focus on the development of new control strategies for the platform which will aim to favour driver control over the virtual vehicle s acceleration. .

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