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The high level of noise and vibrations in helicopters is not preventable and happens through flight operations. This high level of vibrations can produce uneasiness and may affect aircrew performance and their health. Correspondingly, their concentration on flight operation and decision making is strongly depended to comfort ability. Therefore, vibration attenuation can improve flight control, and...
Mobile robots are very interested by researchers over the last few years because of their applications and physical characteristics. The workspace of mobile robots is not always ideal, but typically filled with disturbances (known or unknown) such as uneven surface terrain, natural friction, uncertainties, and parametric changes. In this study, a new approach namely active force control (AFC) scheme...
The physical safety and mentally health of pregnant females are very important. Uterine blood flow can increase in low frequencies and it is harmful for pregnant mothers. Long term trips sometimes are not avoidable and pregnant persons have to do that. In this study, special bus seat suspension was design and optimized based on pregnant biodynamic model. Artificial neural network method was used for...
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