The position control system for a spacecraft plat- form is governed by the following equations: d²z dz + 2 + 4z = 0 %3D dt2 dt de = 0.6v2 dt vị = r – z v2 = 7v, %3D The variables involved are as follows: r(t) = desired platform position z(t) = actual platform positiom v:(t) = amplifier input voltage v2 (t) = amplifier output voltage %3D O(t) = motor shaft position Sketch a signal- flow diagram of the system, identifying the component parts and their transmittance; then determine the system transfer function Z(s) r(s)

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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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The position control system for a spacecraft plat- form is governed by the following equations:
d²z
dz
+ 2 + 4z = 0
%3D
dt2
dt
de
= 0.6v2
dt
vị = r – z
v2 = 7v,
%3D
The variables involved are as follows:
r(t) = desired platform position
z(t) = actual platform positiom
v,(t) = amplifier input voltage
v2(t)
= amplifier output voltage
%3D
0(t) = motor shaft position
Sketch a signal- flow diagram of the system, identifying the component parts and their
transmittance; then determine the system transfer function
Z(s)
r(s)
Transcribed Image Text:The position control system for a spacecraft plat- form is governed by the following equations: d²z dz + 2 + 4z = 0 %3D dt2 dt de = 0.6v2 dt vị = r – z v2 = 7v, %3D The variables involved are as follows: r(t) = desired platform position z(t) = actual platform positiom v,(t) = amplifier input voltage v2(t) = amplifier output voltage %3D 0(t) = motor shaft position Sketch a signal- flow diagram of the system, identifying the component parts and their transmittance; then determine the system transfer function Z(s) r(s)
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