A Novel Method of Top-Level EMC Design Technology for Large and Complex Electronic Information Systems
This paper presents a novel method of top-level EMC (EMC) design technology for large and complex electronic information systems,such as aircraft.A Numerical Airplane Model (NAM) with EMC effects and Performance Simulation Models (PSM) of electronic-equipments are made.In order to ensure the NAM and PSM correct,the following information should be concerned: the structure of airplane and equipments,the relative locations of equipments,the specification and operation-principles of the electronic-equipments,and the inputs and outputs of the electronic-equipments,etc.The electromagnetic interference matrix (EIM) are build by a novel method,called “field-circuit hybrid method——ECHM.The EIM is the function of bandwidth,sensitivity,polarization,signal characteristics,non-linear of front-and-end,receiver-antenna,radiation power,characteristics off-bandwidth,harmonious,intermodulation,transmitter antenna,location,and attenuation of cables,etc.Based on the ECHM and EIM and EMI/EMS performance,the safety and EMC performance of plane can be predicated.The top-level EMC specification can be set down.The top-level EMC specification can be disassembled to the subsystems and equipments.The whole-plane EMC can be evaluated and controlled quantificationally.The methods presented in the paper have been applied to 3 kinds of planes.The validity of the above method has be proved.
Su Donglin Chen Wenqing Liu Yan Xie Shuguo Daifei
EMC Laboratory,Beijing University of Aeronautics and Astronautics,Beijing,100191,China
国际会议
昆明
英文
2008-11-01（万方平台首次上网日期，不代表论文的发表时间）