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Moquin, S. J., Kim, SangYun, Blair, Nicholas, Farnell, Chris, Di, Jia, Mantooth, H. Alan.  2019.  Enhanced Uptime and Firmware Cybersecurity for Grid-Connected Power Electronics. 2019 IEEE CyberPELS (CyberPELS). :1–6.
A distributed energy resource prototype is used to show cybersecurity best practices. These best practices include straightforward security techniques, such as encrypted serial communication. The best practices include more sophisticated security techniques, such as a method to evaluate and respond to firmware integrity at run-time. The prototype uses embedded Linux, a hardware-assisted monitor, one or more digital signal processors, and grid-connected power electronics. Security features to protect communication, firmware, power flow, and hardware are developed. The firmware run-time integrity security is presently evaluated, and shown to maintain power electronics uptime during firmware updating. The firmware run-time security feature can be extended to allow software rejuvenation, multi-mission controls, and greater flexibility and security in controls.