9-4 Three Types of Control Figure 9.1 Conversion Inputs Process Outputs Feedforward Concurrent Feedback Control Control Control (anticipate (manage problems (manage problems problems) as they occur) after they occur " win/MeGraw-HHill CThe McGraw-Hill Companies, Inc, 20009-4 Irwin/McGraw-Hill ©The McGraw-Hill Companies, Inc., 2000 Three Types of Control Inputs Outputs Conversion Process Feedforward Control (anticipate problems) Concurrent Control (manage problems as they occur) Feedback Control (manage problems after they occur) Figure 9.1