A sensor-based automatic door controller has three states of operation: closed, opened and closing. When the...
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A sensor-based automatic door controller has three states of operation: "closed", "opened" and "closing". When the sensor detects a person coming towards the door or going through the door, the door enters the "opened" state. When the person has passed through the door, the sensor detects nothing and the door enters the "closing" state. Within the "closing" state, another person may approach towards the door, causing the change in the state of the door from "closing" to "opened". The idle state "closed" implies that the door is completely closed. Variable S represents the signal generated by the sensor, which is used as an input for the door controller circuit. The sensor generates the signal S = 1 when the sensor detects a person either approaching to or passing through the door; otherwise, it generates the signal S = 0. Draw the operational state diagram and state table of the door controller. A sensor-based automatic door controller has three states of operation: "closed", "opened" and "closing". When the sensor detects a person coming towards the door or going through the door, the door enters the "opened" state. When the person has passed through the door, the sensor detects nothing and the door enters the "closing" state. Within the "closing" state, another person may approach towards the door, causing the change in the state of the door from "closing" to "opened". The idle state "closed" implies that the door is completely closed. Variable S represents the signal generated by the sensor, which is used as an input for the door controller circuit. The sensor generates the signal S = 1 when the sensor detects a person either approaching to or passing through the door; otherwise, it generates the signal S = 0. Draw the operational state diagram and state table of the door controller.
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For the given problem there are three states Closed Opened Closing The input from the sensor is repr... View the full answer
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