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The integration of one or more electric machines into the drivetrain has resulted in many different powertrain concepts in recent years, ranging from the P2 hybrid to dedicated hybrid transmission (DHT). Two types of DHT with different characteristics are investigated. The first type is the power split hybrid (PS-DHT), which has very low mechanical complexity but needs high electrical effort in the...
Design modifications have improved the durability and performance of a previously developed hybrid vehicle capable of both aerial and terrestrial locomotion. Whereas the original vehicle could fly, land, and crawl in sequence, it suffered from limited durability, as evidenced by catastrophic failure after a small number of landings - two to four depending on the substrate. The two most common failure...
Zero-emission vehicles are defined as cars with no gaseous emissions, such as NOx, CO, HC and particulate matter. In this paper, the design of the electrical drive train of a zero-emission vehicle, comparable with the smart for two car, is given. The design of the drive train is evaluated by MATLAB/Simulink simulation according to the calculated mass and losses of the drive train components. The loss...
This paper describes the methodology for developing algorithms for optimal design of an electric drive train for electric bikes and evaluating their performance. The design methodology is validated using simulation and experimental results. The behavioral model of the electric drive train is developed and the performance of the drive train subject to varying battery sizes and motor ratings are evaluated...
This paper describes a systematic methodology for the drive train design of redundant-drive backlash-free robotic mechanisms (RBR mechanisms). A two-stage procedure that involves the selection of drive train configurations and the determination of gear ratios is presented. It is shown that proper gear train configurations associated with the inner structure matrix can be determined by the given inertia...
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