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Study on the Crosstalk and Radiation of Cable Bundle in the Automotive

Author: ZengZuo
Tutor: LiYongMing
School: Chongqing University
Course: Electrical Engineering
Keywords: EMC Car Multi - conductor transmission line Fuzzy Reasoning Harness
CLC: U463.6
Type: Master's thesis
Year: 2010
Downloads: 167
Quote: 0
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Abstract


As automotive technology continues to be the development of the electronics and intelligent direction, increasing vehicle electronic equipment, serious deterioration of the electromagnetic environment of the interior of the car. Wiring harness as a link for various types of electronic equipment, plays a very important role in the automotive electromagnetic compatibility problems, to car harness electromagnetic interference in order to ensure the safety and reliability of the car in the process of moving, has an extremely important theoretical significance and value of the works. The papers in the National Natural Science Foundation of automotive EMC prediction and electromagnetic interference suppression key technologies \applied fuzzy reasoning to predict the new method of wire crosstalk problems. Through the establishment of a simplified model of the automotive the internal interconnect wires crosstalk problems, to select the output of the impact of crosstalk response electromagnetic interference factor as predictors, the crosstalk response as the forecast object, grading them according to the statistical properties of the original data, and then through the fuzzy implication statement merge determine fuzzy implication relationship set to obtain crosstalk fuzzy inference prediction model. The fuzzy inference crosstalk prediction results and test samples were compared, indicating the feasibility and effectiveness of the method. ② establish a simplified model of the car complex wiring harness the methods equivalent Some wires have the same characteristics of complex wiring harness internally bundled classification studies, reduced the number of wires of the study, reducing the complexity of the calculation. (3) the use of electromagnetic simulation software (HFSS) of radiation the harness around simplify model simulation study, the simulation results are compared and analyzed, and verified the feasibility of the method. By the simplified equivalent method Harness model not only greatly reduce the computing time and computer memory required, and provides a feasible method for the modeling of complex wiring harness. ④ the equivalent simplified method is applied to the car harness, the feasibility and effectiveness of the method in the automotive environment are verified by simulation. Application of the the equivalent simplified method, the car harness radiation simulation, considering harness plus incentive position and direction of the different ways the impact of radiation distribution vehicle, and specifically consider the harness in three different cases of driving Members of brain regions radiation distribution.

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CLC: > Transportation > Road transport > Automotive Engineering > Automotive structural components > Electrical equipment and accessories
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