Analysis and design of EMC system integration_Century Wisdom (Suzhou) Testing Technology Co., Ltd

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Analysis and design of EMC system integration

Release time:

2022-06-27 00:00

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　　With the high speed of electronic information technology, EMC system integration is gradually becoming high speed, complex and integrated, usually including various printed circuit boards, electromechanical systems, switching noise circuits, high-speed chips, cable harnesses, shell cabinets and other parts, and contact each other, so, let's understand the analysis and design of EMC system integration.

电磁兼容系统集成

　　The design based on experience is not only high cost, but also low stability. The existing design methods can not meet the requirements of EMC system integration design and research and development. On the other hand, EMC testing itself is a time-consuming and tedious work, which requires the use of EMC darkroom for measurement in the whole airspace and the whole band. The measurement cost is not only high, but also when the measurement exceeds the standard, the subsequent retrieval/correction problem basically depends on experience and guess. Positioning problems and solving problems often require repeated measurement and adjustment, sometimes solve this problem, and bring new problems, design uncertainty, can not guarantee the delivery cycle and quality of products.

　　The traditional EMC system integration design process is usually a product operation process through processing, welding, testing, debugging and revision. In today's high-speed information age, it has been unable to meet the requirements of high efficiency, high reliability and high performance of EMC design. The problem of system noise occurs from time to time, which troubles the designers, and then greatly delays the actual progress of product development, and then faces the irreversible loss of the whole electronic equipment system development.

　　In this case, it is necessary to establish a virtual analysis platform through reliable and complete simulation technology to discover, analyze and solve problems more efficiently. And through the simulation design verification, the electromagnetic compatibility reliability of the whole product system is improved, which is helpful to shorten the design cycle, reduce the cost, improve the competitiveness of the product, train technical personnel, and extract and accumulate design experience.

　　EMC system integration supports EMC emulation in any product format

　　EMC is a very broad concept. Products related to circuits and electromagnetic fields often involve EMC certification requirements issued by relevant industries, countries and organizations. As long as the product system protects the noise source, electromagnetic compatibility issues may be involved basically. The EMC solutions provided by Ansys can be found in any type of product system simulation solutions, low frequency power systems mainly focus on conductivity EMC problems. Based on Maxwell, the low-frequency three-dimensional electromagnetic field software, the electromechanical circuit simulation system was combined with the power device modeling tool to establish a field co-simulation system and a complete low-frequency power system model, so as to obtain the conducted interference data.

　　Electromagnetic compatibility system integration focuses on electromagnetic compatibility of space electromagnetic radiation and high-speed conduction. With high frequency three-dimensional electromagnetic field software HFSS as the core, random modeling of the whole system and simulation of the whole system, including chip devices, chip packaging, PCB system, cable harness and shell, while conducting simulation optimization analysis corresponding to EMC test projects, Combined with the multi-radio frequency system interference analysis software EMIT, it can realize environment-level large-scale space EMC simulation. The solution can conduct flexible EMC virtual modeling analysis on product systems from the perspective of components, subsystems, complete machine and environment level, so as to discover problems and defects as early as possible, complete EMC design optimization in time, and better help products to carry out EMC design. Achieve product development.

　　The above is the electromagnetic compatibility system integration analysis and design, if you need to know more, please feel free to contact us!

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