Answer Happy

1. Discuss negative feedback control systems. b. With the aid of schematics describe and give three (3) examples of the following; (i) Closed loop control systems (ii) Open loop control system c. Outline 7 major differences between the open loop and closed loop control systems in a tabular form 2. Find the Laplace transformation of the following; a. F₁ (t) = 0 for t < 0 = e-0.4t Cos 12t fort 20 b. F₁ (t) = 0, = 3 sin (5t + 45°) c. F2 (t) = 0 = Sin (4t +) for t < 0 fort 20 for t < 0 fort 20 3. Outline the three (3) major examples of control systems. Then, describe these systems using schematic diagram. b. Give the definition of the following terms; (a) Controlled Variables (b) Manipulated Variables (c) Sensors (d) Plants (e) System