The 2021 American Control Conference (ACC) will be held Wednesday through Friday, May 26-28, 2021 in New Orleans, Louisiana, USA at the Hilton New Orleans Riverside Hotel. Nestled against the banks of the Mississippi, the hotel is in walking distance to the French Quarter, Audubon Aquarium, Butterfly Garden and Zoo, and the National World War II Museum as well as countless restaurants, art galleries and more. Consider extending your stay and exploring the Big Easy with its rich history, music, culture and people.We appreciate the impact of COVID-19 on future travels and gatherings and will continue to monitor the situation and explore all options to ensure a safe, rewarding and enjoyable experience.ACC is the annual conference of the American Automatic Control Council (AACC), the U.S. national member organization of the International Federation for Automatic Control (IFAC). National and international society co-sponsors of ACC include the American Institute of Aeronautics and Astronautics (AIAA), American Institute of Chemical Engineers (AIChE), American Society of Civil Engineers (ASCE), American Society of Mechanical Engineers (ASME), IEEE Control Systems Society (IEEE-CSS), Institute for Operations Research and the Management Sciences (INFORMS), International Society of Automation (ISA ), Society for Modeling & Simulation International (SCS), and Society for Industrial & Applied Mathematics (SIAM). The 2021 ACC technical program will comprise several types of presentations in regular and invited sessions, tutorial sessions, and special sessions along with workshops and exhibits. For contributed and invited papers, authors will have the option to present to a larger audience in a rapid-interactive (RI) format (3-minute introductory talk plus 30-minute interactive session). Submissions are encouraged in all areas of the theory and practice of automatic control.Contributed Papers: ACC Papers are invited in the form of regular manuscripts (allotted 6 proceedings pages and up to 8 pages with additional page charge). Submissions to L-CSS Jul 1 – Sep 1 have the option for presentation at ACC (note: L-CSS papers have a strict 6 page limit). Papers must conform to the submission policies , detailed on the conference and journal web pages. All manuscripts should be written in English, be in 2-column format, and meet strict page limits. Invited Sessions: Invited sessions consist of 6 papers (up to 8 pages with additional page charge) presenting a unifying theme from a diversity of viewpoints. Proposals must clearly describe the motivation and relevance of the session. Proposals must be accompanied by full versions of each paper, which will be individually reviewed together with the proposal itself. Tutorial Sessions: Tutorial sessions are a special category of invited sessions organized to provide an introduction to a topic of interest. The format is structured around a main tutorial paper (up to 18 pages) and talk (60 minutes) to bring the participants up to speed, followed by three presentations (with or without papers of up to 6 pages each) to give a picture of the state of the art. Tutorial sessions involving strong industry and academic collaboration are highly encouraged.Special Sessions: Special sessions offer a venue for creating awareness of, and providing exposure to emerging research areas, research and funding opportunities, and other topics of broad interest to attendees. History and industry-sponsored sessions also fall into this category.Workshops: Workshops to be held prior to the conference are solicited on all related topics. Proposals for workshops addressing novel control methodologies and nonstandard control applications, as well as workshops with strong tutorial value are encouraged. Exhibits: Exhibitors are invited to showcase, demonstrate and market control-related publications, software tools, educational products, services, and jobs. Exhibits are open throughout the conference to all attendees of the ACC.All papers and session and workshop proposals must be submitted through the conference submission website. Submissions must conform to the policy found at the conference website: http://acc2021.a2c2.org