Electromagnetic Environmental Effects (E3) for Space Systems
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This course virtual course provides 3-days (1-day per week) of focused discussion on understanding the EMI/EMC environment and implementing control measures with a focus on space systems.
The material covers causes and effects, control measures and the test and evaluation process. The Culprit-Path-Victim triad of Electromagnetic Compatibility (EMC) elements are discussed along with the test and evaluation process. The course is presented at the intermediate technical level and assumes that the attendees have a good understanding of basic electronic principles. The material includes some basic mathematical formulas, but the emphasis is on the practical aspects of EMC.
Each attendee will receive a copy of the presentation, each of the Excel spreadsheets used during the course and a certificate of training upon completion of the training.
Who Should Attend:
- EMC Test Engineers and Technicians involved in evaluation and qualification oversight
- Electrical and Mechanical engineers responsible for EMC design
- Program/project managers responsible for EMC evaluation oversight
- Anyone who interprets EMC data or troubleshoots EMC issues
What You Will Learn:
- Establish an EMC Program for space projects.
- Determine the applicable EMC military specifications to space.
- Prepare a basic EMI/EMC control plan.
- Prepare a basic EMC test plan.
- Evaluate an EMI test environment.
- Identify appropriate EMI test equipment.
- Perform Military Standard EMC testing on space systems.
- Prepare a basic EMI/EMC test report.
- Apply basic EMC engineering principles to determine emission suppression and reduce system susceptibility.
- Tailor the MIL-STDs and GEVS for specific tasks.
- Design to meet space EMC standards and other EMC requirements.
- Techniques for reducing space system emissions and susceptibility
1. Basic Concepts of Electromagnetic (EM) Effects. EMI/EMC terms and definitions. Common units. Radiated and conducted emissions and susceptibility. Characteristics of EM signals. Common and differential modes
2. Electromagnetic Environment (EME). Sources of EMI and victims. Time and frequency domains: transients. Fourier concepts. Narrowband and broadband signals. Victim characteristics.
3. Project Life Cycle Planning. Defining the program. Contract preparation and award EMC specifications. Standards for space applications. Tailoring to meet requirements.
4. Space E3 Environment. Intentional and Unintentional Sources. Emission source characteristics (Signatures). EM prediction and measurement data sources for a priori prediction.
5. Emissions and Susceptibility. General and detailed requirements: Defining emission and susceptibility: CE, RE, CS, RS, and limits. Correlation to common equivalent IEC EMC standards are discussed.
6. Measurement of EM Interference (EMI). Testing methods based on MIL-STD-461, DO-160 and commercial standards. Measurement tolerances. Specific tailoring: Notching the basic requirements. Test site characteristics. EUT test configurations.
7. Test Facilities and Environments. Shielded rooms. Anechoic chambers. Open area test sites (OATS). Test equipment for CE and RE CS and RS. Sensors, antennas, receivers, spectrum analyzers.
8. Test Methods and Procedures (CE CS). Conducted emission (CE) testing. Test applicability limits. Test equipment and EUT setup. Automatic data acquisition. Conducted susceptibility (CS) testing. CE and CS reduction techniques. Filtering and design considerations.
9. Test Methods and Procedures (RE RS). Radiated emission (RE) testing. Test applicability. Limits. Test equipment and EUT setup. RE electric testing and magnetic field testing. RS testing. RE and RS reduction techniques. Shielding concepts and design consideration.
10. System-Level Testing. Requirements for system EMC. Lightning protection. Static electricity ESD mitigation. Space special EMC topics. System-level EMI mitigation techniques.
Steven G. Ferguson has been working in the compliance test arena for over 40 years at test laboratories and manufacturing companies designing products, developing procedures and performing tests. He presents various courses on EMI/EMC compliance including EMC for Nuclear Power Facilities, Architectural Shielding and this course on MIL-STD-461 & DO-160 testing at customer facilities on-site for multiple government and industrial clients. He holds an iNARTE EMC engineer certification
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