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In each case, indicate the location ofthe elements listed below end ive units associated with each signal The process ‘The process desired output signal The actuator The actuator outpot signal The controller ‘The controller output signal The reference signal The error signal Notice that in several cases the same physical device may perform more than one of these Functions. 4) The manual steering system of an automobile. ») The vehicle speed control on highway. ) Heating system in home. 4) Temperature contol in a refrigerator. ¢) Solar collector. 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