Edgar’s academic work has focused on process modeling, control, and optimization. He has published over 500 articles and book chapters in the above fields applied to separations,
chemical reactors, energy systems, and
semiconductor manufacturing. He has supervised the research of over 45 M.S. and 80 Ph.D. students. He was co-founder of the Texas-Wisconsin-California Control Consortium which involves 13 companies and four universities. Edgar authored the textbook
Coal Processing and Pollution Control Technology (Gulf Publishing, 1983) and co-authored the textbooks
Optimization of Chemical Processes (McGraw-Hill, 2nd ed, 2001) and
Process Dynamics and Control (4th ed, Wiley, 2016). The first edition of
Process Dynamics and Control received the 1990
American Society of Engineering Education (ASEE) Meriam-Wiley Award as the top engineering textbook and the book (5th ed., published 2025) has been used at over 80 universities in the U.S. He was the lead author for the Process Control section for the last two editions of
''Perry's Chemical Engineers' Handbook. and served as Executive Director of CACHE from 2001 to 2020. He was President of the American Automatic Control Council between 1989 and 1991, which oversees the control activities of eight U.S. professional societies. He was board secretary of Pecan Street, Inc. (Austin, TX) from 2010 to 2018 which deals with renewable energy and smart grids, and also served on the ABET Board of Directors (2011-2013) and was co-founder of the Smart Manufacturing Leadership Coalition in 2010. Edgar was a director of AIChE from 1989-92, and he was elected vice president of AIChE for 1996 and president for 1997. He was chair of the AIChE Foundation from 2002-2008. He was elected as vice-chair and chair of the Council for Chemical Research (1991-93). He served as a representative of AIChE on the Engineering Accreditation Commission from 2005-2010. He was founding general editor of the technical journal, In Situ'', and has participated on six editorial boards and seven university advisory committees. He has been a consultant to several companies, including
AMD,
Texas Instruments, Emerson Process Management,
Applied Materials, Dow Chemical, and Chemstations. ==Recognition==