The protection design method of the engine control system under electromagnetic pulses
This study assessed the survivability of an engine control system under intense electromagnetic pulses. It investigated the electromagnetic sensitivity of the system under the action of intense electromagnetic pulses. In this work, the evaluation focuses on the terminal circuit of the control system...
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Published in | Review of scientific instruments Vol. 94; no. 1; p. 015101 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
United States
01.01.2023
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Abstract | This study assessed the survivability of an engine control system under intense electromagnetic pulses. It investigated the electromagnetic sensitivity of the system under the action of intense electromagnetic pulses. In this work, the evaluation focuses on the terminal circuit of the control system. It proposes a co-design method for electromagnetic pulse protection circuits on a printed circuit board. The electromagnetic interference mechanism and phenomena were analyzed through simulation and experiments. The electromagnetic susceptibility of the control system was tested using the bulk current injection test method, and the pulse coupling signal of the sensitive part was obtained. Subsequently, the terminal circuit was analyzed using a numerical calculation method. The pulse coupling signal was injected into the terminal circuit. Thus, we can determine why the control system exhibits sensitive phenomena. Then, a protection circuit of the terminal circuit was established. The design method's advantage is accurately locating the circuit's sensitive points and reducing the controller circuit's electromagnetic sensitivity by designing the circuit without drastically changing the original circuit. At the same time, the redundancy of protection circuit design can be effectively reduced. |
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AbstractList | This study assessed the survivability of an engine control system under intense electromagnetic pulses. It investigated the electromagnetic sensitivity of the system under the action of intense electromagnetic pulses. In this work, the evaluation focuses on the terminal circuit of the control system. It proposes a co-design method for electromagnetic pulse protection circuits on a printed circuit board. The electromagnetic interference mechanism and phenomena were analyzed through simulation and experiments. The electromagnetic susceptibility of the control system was tested using the bulk current injection test method, and the pulse coupling signal of the sensitive part was obtained. Subsequently, the terminal circuit was analyzed using a numerical calculation method. The pulse coupling signal was injected into the terminal circuit. Thus, we can determine why the control system exhibits sensitive phenomena. Then, a protection circuit of the terminal circuit was established. The design method's advantage is accurately locating the circuit's sensitive points and reducing the controller circuit's electromagnetic sensitivity by designing the circuit without drastically changing the original circuit. At the same time, the redundancy of protection circuit design can be effectively reduced. |
Author | Wei, Minxiang Cao, Jie |
Author_xml | – sequence: 1 givenname: Jie orcidid: 0000-0002-1674-7905 surname: Cao fullname: Cao, Jie organization: College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China – sequence: 2 givenname: Minxiang orcidid: 0000-0002-4970-5023 surname: Wei fullname: Wei, Minxiang organization: College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China |
BackLink | https://www.ncbi.nlm.nih.gov/pubmed/36725550$$D View this record in MEDLINE/PubMed |
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