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This paper deals with the control of a haptic device which is used in a generator mode to produce electricity from a user's walking movements in a handheld device, like a mobile phone for instance. We first present the design principle of such a device. Then, a design is presented, which allows haptic feedback and energy harvesting to be produced with a same device. It is based on a piezoelectric...
The paper deals with the fundamental research for the design of an electric drive system for a sailplane in cooperation with the oldest and one of the largest sailplane manufactures Alexander Schleicher1. The realizability of this purpose is checked by a system perspective of the electric drive system. Different approaches are considered, e.g. a system with a gear, a downsized motor or an air drag...
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