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Effective product data management (PDM) platform is the critical environment to enhance the competitiveness of enterprises. In order to quickly establish a customer specified PDM platform for manufacturing enterprises, the guidance of effective methods is needed. This paper proposed a function analysis model based on granular computing to guide the establishment of PDM platform. This function analysis...
Motor drive system is one of the core components of electric vehicles. To meet the electric vehicles performance requirements: starting, accelerating, climbing and other driving conditions demand, motor drive system requires high torque at low speed, high power at high speed, wide speed control range, etc. This paper takes a motor-driven electric vehicle system design as an example, from the control...
For pure Electric Vehicle (EV), motor is the one and only power source. Comparing with industry motor, the motor drive system in EV has several challenges, such as dynamic running with unpredicted drive cycle, high torque/power density to reduce the vehicle curb weight, robust limp-home functionality to ensure vehicle can run even when some key components failed, life-time guarantee, wide speed control...
This paper studies a practical example of product data management (PDM) in a medium-sized manufacturing company in China. In PDM practices, some issues are common in all company because they are independent of the problems to be solved. However in PDM practices there are some issues relying on the specific operations, products and organizational state in different company. In this PDM practices, the...
This paper presents a fuzzy modeling with immune algorithm to search for the optimal solution in conceptual design of mechanisms. First, a new problem formulation model that involves fuzzy logic to reflect the imprecise nature of objectives is presented. Then, an immune optimization algorithm (IOA) is used as a key technology to find the optimal solution in many combinatorial solutions, which can...
Computer aided instruction (CAI) technology has been proved that it can strongly support teaching in improving class quality, students' studying efficiency and effectiveness. In terms of the requirement of general vehicle design course, this paper proposes a way to this kinds of course teaching by offering a practical teaching tool, which is based on supporting multi-engineering modeling and simulation...
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