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In the past, many researchers suggested a variety of supply chain network models which encompass both the upstream and downstream sides. However, most of the supply chain models were conceptual network map and focused on individual firm or industry level. In this paper, we analyzed and embodied more substantive supply chain network model based on the optimal database comprised of US patent data, STN...
In this paper, a motor-generator (MG) control algorithm was proposed to improve the shift quality for a dual mode power split transmission (PST) hybrid electric vehicle (HEV). In order to analyze the shift characteristics during the mode shift, Bondgraph models for transient-state were constructed and state equations were derived. From the state equations, it was found that inertia torque of MG2 causes...
This paper suggested a shift control algorithm for improving the shift quality(SQ) by modeling a dual clutch transmission(DCT)-type 2-speed transmission system for an electric vehicle(EV). In 2-speed transmission system, the driving comfort decreased when the driveshaft torque of the vehicle fluctuated by shifting gear, unlike with the existing single-gear ratio EV. To improve this, a shift control...
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