MECH 466 - Lecture23-HistoryofControlandSummary-2009W

Speed 200809 3 200809 mech466 automatic control 4 1

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: tant speed. Speed 2008/09 3 2008/09 MECH466 : Automatic Control 4 1 History of Automatic Control History of Automatic Control Edward Routh (1831-1907) (1831English mathematician (born in Quebec) University of Cambridge Routh stability criterion Year: 1877 Adolf Hurwitz (1859-1919) (1859German mathematician ETH Zurich Hurwitz stability criterion Year: 1895 Analysis of stability for ordinary Analysis differential equations Equivalent to Routh criterion, but Equivalent presented in a different form Analysis of stability for ordinary Analysis differential equations Equivalent to Hurwitz criterion Equivalent (What you learned is Routh’s criterion.) Routh’ 2008/09 MECH466 : Automatic Control 5 History of Automatic Control 2008/09 Harold S. Black (1898-1983) (1898American electrical engineer Bell Telephone Laboratories Negative feedback amplifier feedback Year: 1927 Lyapunov method Lyapunov Applicable to nonlinear, timeApplicable timevarying systems, too. (Normally taught in Nonlinear Control Course....
View Full Document

Ask a homework question - tutors are online