© 2019, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license.
Except where otherwise noted, this item's license is described as: © 2019, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license.