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Automated Systems Lesson 4: Stationary v Mobile Robots.

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Presentation on theme: "Automated Systems Lesson 4: Stationary v Mobile Robots."— Presentation transcript:

1 Automated Systems Lesson 4: Stationary v Mobile Robots

2 By the end of this lesson you will be able to: 1.Identify what the initials AGV stand for. 2.Identify 2 guidance systems for AGVs. 3.Suggest a suitable guidance system for an AGV working in a dirty environment. 4.Suggest a suitable guidance system for an AGV working in a clean environment. 5.Explain the term ROM software. 6.Give 2 advantages of using ROM softare. 7.Give 2 disadvantages of using ROM software. 8.Explain why real time processing is essential for AGVs. 9.Explain what it means to be an intelligent robot. 10.Explain the impact automation has had on the design of the workplace. Lesson 4: Automated Systems

3 Lesson 3: Automated Systems Stationary v Mobile Robots A stationary robot is fixed in one location in a workplace. A mobile robot is a robot that can move around a workplace. Mobile robots are some times called AGVs: Autonomous Guided Vehicles. AGVs are often used in workplaces to fetch and carry parts from a warehouse to where they are needed

4 Mobile Robot Guidance Systems Lesson 4: Automated Systems AGVs need to be have a guidance system to tell them how to get from A to B. There are 2 types of guidance systems: 1.light guidance systems 2.magnetic guidance systems. OR Which is best? Which system is used depends on the: how messy the workplace is and how often the system might need to be changed. OR

5 Interface Lesson 3: Automated Systems An interface is needed between a sensor and the controlling computer. The interface is required because sensors are analogue yet the controlling computer understands digital data only. The interface converts the signals. Analogue signals vary in strength: eg temperature goes gradually up and down pressure gradually builds and fades. Digital signals are either 0 or 1: 00001110001100110 Sensor Interface data feedback Control program instruction

6 AD and DA Converters An AD converter is the interface that translates analogue data into digital data. AD Converter A DA converter is the interface that translates digital data into analogue data. DA Converter 01100100 digital 100 o C analogue Lesson 3: Automated Systems OFF analogue 0 digital

7 Questions Answer the following questions in your jotter. 1)Name the part of the automated system that control the action. 2)Why is a sensor needed? 3)List 3 types of sensors and explain what each could be used for. 4)Explain the term feedback. 5)Why is feedback necessary? 6)What happens as a result of feedback? 7)Explain why a interface is required. 8)Draw a diagram of where an interface will be positioned in system. 9)What is an AD converter? 10)What does a DA converter do and why? Lesson 3: Automated Systems

8 Fun Things To Do Robots with a sense of touch Beetles & Sensors Robot Cars Smart Cars Try programming the Picobot using its sensor. Try programming Lego Robot cars.


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