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电动汽车中人体SAR值的FEKO仿真

Simulation of Computed SAR of Occupants in Electric Vehicle based on FEKO
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摘要 利用FEKO建立适合电磁仿真的坐姿人体模型和汽车车身模型,对电动汽车的主要电磁辐射源进行简化和仿真,得到在电机、DC/DC变换器、天线这些激励下的车内电磁环境,并对人体及主要器官进行比吸收率(SAR)的仿真计算。结果表明,在100-900 MHz时,车内人体比吸收率都满足限值,其中SAR较大的组织是皮肤与大脑,这为电动汽车中的人体电磁安全研究提供了参考依据。 A seating human model and a car body model,suitable for electromagnetic simulation,were established in FEKO.Main electromagnetic radiation sources of electric vehicles were simplified and a simulation was carried out.The electromagnetic environment inside the car was obtained under the electromotor,DC/DC convertor and antenna.SAR of human body and main organs were also computed.The result shows that SAR of occupants inside a car satisfies the limit when the frequency is the commonly used communication frequency 100-900 MHz,the SAR of skin and brain is much larger,providing references for researches on personal electromagnetic safety in electric vehicles.
出处 《安全与电磁兼容》 2013年第4期56-59,共4页 Safety & EMC
基金 国家"863"项目(2011AA11A210 2011AA11A220) 汽车仿真与控制国家重点实验室项目(20111109)
关键词 比吸收率 电动汽车 仿真 电磁安全 SAR electric vehicle simulation electromagnetic safety
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