William H YeadonWilliam H. Yeadon, P.E. is the President of Yeadon Engineering Services, P.C. and Yeadon Energy Systems, Inc. He helped to establish the motor college for the Small Motor and Motion Association (SMMA). His is a member of SMMA, Electrical Manufacturin and Coil Winding Association (EMCWA), National Society of Professional Engineers (NSPE) and The Institute of Electrical and Electronics Engineers, Inc. (IEEE). He currently writes and teaches courses for the SMMA and EMCWA, designs motors, and is a consultant. He has more than 30 years of experience in electric motors, holding positions in design and development, management, production, and quality control with companies that include Redmond Motors, A.O. Smith, Warner Electric, and the motor division of Barber-Colman Company. Alan W. Yeadon, P.E. holds a degree from the University of Illinois. He assisted in the establishment of the SMMA motor college and has taught PMDC motor design classes. He has design experience in ac induction motors, dc permanent-magnet and wound-field motors, electronically commuted bushless dc, and switched-reluctance motors. He has 12 years experience in product design, consulting, and development of software for electric motor of design and analysis. He is a registered professional engineer in Michigan and Illinois. Read More Read Less