An important problem for television systems is the jumping or wobbling of the picture due to the movement of the camera This effect occurs when the camera is mounted in a moving truck or airplane The Dynalens system has been designed to reduce the effect of rapid scanning motion see Figure P5 1 A maximum scanning motion of 25 deg s is expected Let Kg K1 1 and assume that Ntilde g is negligible (a) Determine the error of the system E(s) (b) Determine the necessary loop gain KaKmKt when a l deg s steady state error is allowable (c) The motor time constant is 0 40 s Determine the necessary loop gain so that the settling time (to within 2 of the final value of vb) is less than or equal to 0 03 s Torque motor Camera T Caera Rate gvr Amplifier treV spedK Tachometer FIGURE P5 1 Camera wobble control

Question: An important problem for television systems is the jumping or wobbling of the picture due to the movement of the camera. This effect occurs when

An important problem for television systems is the jumping or wobbling of the picture due to the movement of the camera. This effect occurs when the camera is mounted in a moving truck or airplane. The Dynalens system has been designed to reduce the effect of rapid scanning motion; see Figure P5.1. A maximum scanning motion of 25°/s is expected. Let Kg = K1 = 1 and assume that Ñ‚g is negligible.
(a) Determine the error of the system E(s).
(b) Determine the necessary loop gain KaKmKt when a l°/s steady-state error is allowable.
(c) The motor time constant is 0.40 s. Determine the necessary loop gain so that the settling time (to within 2% of the final value of vb) is less than or equal to 0.03 s.

Torque motor Camera -T Caera Rate gvr Amplifier treV spedK Tachometer FIGURE P5.1 Camera wobble control

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