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A feedback control system with the configuration of Figure has the following parameters: Kp = 0.5 V/rad, Ka = 100 V/V, Km = 2.7 × 10-4 N·m/V, J = 1.5 × 10-5 kg·m2 , and F = 2 × 10-4 kg·m2 /s.
(a) With an applied step-input command, describe the dynamic response of the system, assuming the system to be initially at rest.
(b) Find the position lag error in radians, if the load disturbance of 1.5×10-3 N·m is present on the system when the step command is applied.
(c) In order that the position lag error of part (b) be no greater than 0.025 rad, determine the new amplifier gain.
(d) Evaluate the damping ratio for the gain of part (c) and the corresponding percent maximum overshoot.
(e) With the gain of part (c), in order to have the percent maximum overshoot not to exceed 25%, find the value of the output-rate gain factor.
A 440v 4-pole dc generator takes an armature current of 50A when rotating at 626 rpm. the armature circuit resistance is 0.25 ohms. determine the generated emf?
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Collector-to-base bias: Figure: Collector-to-base bias This configuration uses negative feedback to avoid thermal runaway and stabilize the operating point. In th
Q. A current of 65 A is measured with an analog ammeter having a probable error of ± 0.5% of full scale of 100 A. Find the maximum probable percentage error in the measurement.
Switching Characteristics During Turn off The techniques used for turning off a thyristor is known as commutation techniques. A thyristor can be can be turn off by reducin
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Balance Business Score Card in KPI Information Age The current era is driven by the information. It is a revolutionary transformation and industries are competing in th
1. A modi?ed NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; invert- ing bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make
Define and explain Numerical aperture? Figure shown below shows an incident ray to the fibre, The light bends at two interfaces, one at the air- core interface and the
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