With a new, innovative "virtual laboratory" chapter and software tools to help students simulate and analyze control systems, the Eighth Edition of this best-selling introduction to automatic control systems helps students understand the practical, real-world uses of control. The book's sound theoretical content is balanced by numerous examples, a rich problem set, and well-integrated technology. The Eighth Edition introduces a new co-author, Farid Golnaraghi of the University of Waterloo.