Engineering, 04.12.2019 01:31 OllieMoo
For the unity negative feedback system g(s) = k(s+6)/ (s + 1)(s + 2)(s + 5) it's known that the system is operating with a dominant-pole damping ratio of 0.5. design a pd controller so that the settling time is reduced by a factor of 3, compared with the uncompensated unity negative feedback system. compare the percentage overshoot and resonant frequencies of the uncompensated and compensated systems.
Answers: 1
Engineering, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
Engineering, 04.07.2019 18:10
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
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Engineering, 04.07.2019 18:10
Manometers are good examples of measuring instruments, nowadays they are not as common as before. a)-capacitive probe gauges b)-gravitational gauges deformation ) gauges d)-digital gauges
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Engineering, 04.07.2019 18:10
Which of the following ziegler nichols tuning methods the response of the controller to a step input should exhibit an s-shaped curve? a)-open loop mode b)-closed loop mode c)-both modes (open & closed) d)-none of the modes (open & closed)
Answers: 3
For the unity negative feedback system g(s) = k(s+6)/ (s + 1)(s + 2)(s + 5) it's known that the syst...
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