www.pels.org Vol. 7, No. 4 December 2020 For your engineering success Features 12 Rethinking the Power Delivery Networks of Mobile Robots Leveraging fixed-ratio and high-efficiency buck and buck-boost converters Anna Giasson and Stavros Dokopoulos 19 61 An advancing frontier Bimal K. Bose 28 Departments & Columns 4 From the Editor Robotics Power Systems Present Many Challenges Ashok Bindra 8 President's Message New Directions in PELS Frede Blaabjerg Artificial Intelligence Techniques: How Can it Solve Problems in Power Electronics? Intrinsic Failure Mechanisms in GaN-on-Si Power Transistors Alex Lidow, Robert Strittmatter, Shengke Zhang, and Alejandro Pozo 36 How to Design and Implement an Adapter Power Supply With Active Clamp Flyback An all silicon design methodology Ahsan Zaman and Aleksandar Radic 44 Twelfth IEEE ECCE Delivers Cutting-Edge Virtual Conference Ashok Bindra 48 Women in Engineering Special Session Investigates Online Learning Ashok Bindra 50 Expert View The Time for Software Defined Power Is Now Mark Adams 56 Entrepreneur Viewpoint Academic Entrepreneurship: The NSF I-Corps Program-Part II Issa Batarseh On the cover The quest for better performing power delivery networks of robots, both static and mobile. ROBOT: ©SHUTTERSTOCK/ ANDREY-SHA74 60 Society News 81 Event Calendar 88 White Hot Virtual Conferences Robert V. White Digital Object Identifier 10.1109/MPEL.2020.3033572 December 2020 z IEEE POWER ELECTRONICS MAGAZINE 1http://www.pels.org