Automation System
What is offset error?

All of these
the difference between the sensor input and the absolute sensed parameter.
None of these
the difference between the controller output and the setting of the manipulated variable.
the difference between the control setpoint value and the actual value.

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Automation System
Vision sensors:

can not improve much in the next decade
will remain very costly
All of these
None of these
will more closely match the capabilities of the human eye

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Automation System
What is proportional control?

None of these
All of these
It has a discrete output for each error value
The controller output varies continuously over a range
The gain is independent of offset error.

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