Daniel W. Hart is a well-known author and educator in the field of power electronics. He has written several textbooks on the subject, including "Power Electronics" which is a comprehensive textbook that covers the fundamentals of power electronics.
People noticed the results. The prototype controller was lighter, ran cooler, and—critically for Mira—had a predictable failure mode. That predictability mattered more than peak efficiency; it let her design safe limits that extended battery life without sacrificing user experience. At a student conference she presented the controller and fielded questions about stability margins. During the Q&A, an older man in the back raised his hand and, smiling, said he had taught a graduate seminar with Daniel ten years before. “Looks like his notes did some good,” he said. Later he handed Mira a card and suggested she contact Daniel, who now taught part-time in industry. Power Electronics Solution Manual Daniel W Hart