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Unformatted text preview: MEEN 651 Control System Design Homework 0: Prerequisite Material Assigned: Tuesday, 26 Aug. 2008 Due: Tuesday, 2 Sept. 2008, 5:00 pm Note: This homework will not be graded for correctness. You score will be based on evidence of a reasonable attempt to solve the problems. Problem 0) Derive the governing differential equations for the following electromechanical system. A frictionless pulley of mass m 1 and radius r 1 is connected to a spring. The center of the pulley is connected to a winch with radius r 2 driven by a DC motor. The DC motor is powered using the electrical circuit shown with input voltage V in . The torque provided by the DC motor is proportional to the current in the circuit, as . The back emf generated by the motor is proportional to the rotational speed, as . Problem 14) Complete problems 14 of the attached MEEN 411 Midterm Exam MEEN 411 Midterm Exam 1 Texas A&M University Department of Mechanical Engineering MEEN 411 Mechanical Controls MIDTERM EXAM MARCH 7, 2007 7:15 9:15 PM; ENPH 212 N a m e : 1) [10 points] Match the Bode plots with the step response graphs.Match the Bode plots with the step response graphs....
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 Fall '08
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