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This paper presents a linear generator used for energy harvesting system equipped in footwear, which scavenges power from back-and-forth motion during walk. Structure of the electric machine is studied, and sizing optimization by finite element analysis (FEA) is detailed. A prototype has been built, validating that the simulated and test results have a good agreement.
To find all extreme points of multimodal functions is called extreme problem, which is a well known difficult issue in optimization fields. Applying the ant colony optimization (ACO) to solve this problem is rarely reported. The method of applying ACO to solve extreme problem is explored in this paper. Experiments show that the method presented in this paper generates solution with high quality, and...
The parameter optimization for parallel hydraulic hybrid vehicle(PHHV) system has a significant impact on the vehicle dynamic performance, fuel economy and emission. In this article, several factors affecting system efficiency are used as the objective functions, system parameters are used as the independent variables, and the multi-objective optimization process is compiled in MATLAB. The process...
This paper will establish a comprehensive coordination model with the cost, quality and time limit for project, taking quality objective into consideration, using multi-attribute utility function theory and guiding by the highest benefit which is creative of the three objective of project. Besides, it will achieve objective weight as far as possible of every goal with AHM, which will respond to the...
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