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typically when a digital transducer is employed to generate the feedback signal for an analog controller a
the noise in an electrical circuit can depend on the nature of the coupling mechanism in particular the following types
what are the advantages of using optical coupling in electrical circuits for optical coupling diodes that emit infrared
a weather balloon is constructed of a flexible material such that the internal pressure of the balloon is always 10 kpa
what do you consider a perfect measuring device suppose that you are asked to develop an analog device for measuring
a useful rating parameter for a robotic tool is dexterity though not complete an appropriate analytical definition for
the resolution of a feedback sensor or resolution of a response measurement used in feedback has a direct effect on the
discuss how the accuracy of a digital controller may be affected by the followinga stability and bandwidth of amplifier
consider the mechanical tachometer shown in figure 54 write expressions for sensitivity and bandwidth for the device
a what is an anti-aliasing filter in a particular application the sensor signal is sampled at fnofs hz suggest a
a define the following termsbull sensorbull transducerbull actuatorbull controllerbull control systembull operating
discuss and the contrast the following termsa measurement accuracyb instrument accuracyc measurement errord
a explain why mechanical loading error due to tachometer inertia can be significantly higher when measuring transient
briefly explain what is meant by the terms systematic error and random error of a measuring device which statistical
i briefly discuss any conflicts that can arise in specifying parameters that can be used to predominantly represent the
using the srss method for error combination determine the fractional error in each component xi so that the
in each of the following examples indicate at least one unknown input which should be measured and used for feed
write the expression for electrical-loading nonlinearity error percentage in a rotatory potentiometer in terms of the
at the null position the impedances of the two secondary winding segments of an lvdt were found to be equal in
standard rectilinear displacement sensors such as the lvdt and the potentiometer are used to measure displacements up
it is known that some of the factors that should be considered in selecting an lvdt for a particular application are
the signal-conditioning system for an lvdt has the following components power supply oscillator synchronous demodulator
for directional sensing using an lvdt it is necessary to determine the phase angle of the induced signal in other words
joint angles and angular speeds are the two basic measurements used in the direct low-level control of robotic
applications of piezoelectric sensors are numerous push-button devices and switches airbag mems sensors in vehicles