AUTOMATION
What is automation?
Automation is when a system performs a task automatically with little or no constant human control.
What is the main job of a sensor?
A sensor detects or collects information from the environment.
In an IF–THEN rule, what does IF represent?
The condition that must happen or be detected.
Name one automated system you learned about this week.
Automatic door, traffic light, washing machine, automatic light, robot vacuum, or another appropriate example.
Complete the pattern: SENSE → ______ → ACT
Answer: DECIDE
Name one reason people use automation
Automation can make tasks easier, faster, safer, or more efficient.
What does a motion sensor detect?
Movement or motion.
In an IF–THEN rule, what does THEN represent?
The action or response the system should perform.
What is the difference between an automated system and a manually controlled system?
An automated system can perform a task based on information and programmed rules, while a manually controlled system requires a person to control the action.
A motion sensor detects a person approaching an automatic door. What could the output be?
Answer: The door opens.
Is a regular light switch an automated system? Explain why or why not.
No. A person must manually control the switch, so the system is not operating automatically.
A robot detects an object in front of it. What information is the sensor giving the system?
The sensor is providing information that an object is present in the robot's path.
Write an IF–THEN rule for an automatic door that opens when someone approaches.
IF a person approaches the door, THEN open the door.
What are the three main parts of the process an automated system uses to respond to its environment?
Input/Sensor → Controller/Decision → Output/Action
A robot vacuum detects an object in its path. Explain what the robot should do next and why.
The robot should stop, turn, or change direction because the sensor detected an obstacle in its path.
A washing machine completes a cycle after a person selects the settings. Why is this considered automation?
After the person starts it, the machine automatically performs the washing steps without someone constantly controlling it.
A light sensor detects that a room has become dark. What information did the sensor provide?
It provided information that the amount of light in the room has decreased or that the room is dark.
A security system is designed to detect movement after school hours. Create an appropriate IF–THEN rule.
IF motion is detected after school hours, THEN send an alert or trigger the security system.
A hallway light uses a motion sensor. Explain what happens from the moment a person walks past until the light turns on.
The motion sensor detects the person's movement. The controller processes the information and determines that the condition has been met. The light then turns on as the output.
An automated system detects information correctly but performs the wrong action. What part of the system should engineers investigate, and why?
They should investigate the controller/decision-making logic and the output system. The sensor may be working correctly, but the system may be making the wrong decision or producing the wrong response.
Why does an automated system need information before it can make an appropriate decision?
The system needs information from an input or sensor so the controller can determine what action should happen.
What is the difference between a motion sensor and a distance sensor? Give one example of when each could be used.
A motion sensor detects movement, while a distance sensor detects how close or far away an object is. A motion sensor could control an automatic light, while a distance sensor could help a robot avoid obstacles.
Create an IF–THEN rule for an automated system that solves a problem in a school. Identify the sensor being used.
Answers will vary. For example: IF the classroom becomes too hot, THEN turn on the fan. Sensor: Temperature sensor.
Choose an automated system and explain its complete process from input → decision → output.
Answers will vary. For example: An automatic door uses a motion sensor as the input. The controller determines that someone is approaching. The door motor opens the door as the output.
Design an automated system for your school. Identify the problem, sensor/input, decision, output, and write an IF–THEN rule explaining how it works.
Answers will vary. Students must provide all five parts and make sure their sensor, decision, output, and IF–THEN rule logically connect.