Automation System
A proportional plus integral contro-ller can:

both (b) and (c)
None of these
has no transient response
can compensate for lag
can increase the system type

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Automation System
Light sensors:

None of these
never use infrared light as light source
cannot be used a s limit switches.
work in direct sunlight
come in a wide variety of mounting styles

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Automation System
The robot:

represents the most powerful new industrial automation tool currently on the horizon
will be more useful when robot vision is improved significantly
All of these
is very primitive at the present
None of these

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