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BA Design for Industry

BA Design for Industry. Year 3. Curriculum. During the first year 3 class meeting students were asked to identify issues and concerns that might usefully be addressed during an engineering class. Students suggestions. Commonly raised ideas: New materials and technologies

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BA Design for Industry

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  1. BA Design for Industry Year 3

  2. Curriculum During the first year 3 class meeting students were asked to identify issues and concerns that might usefully be addressed during an engineering class.

  3. Students suggestions Commonly raised ideas: • New materials and technologies • Renewable resources – raw materials • Renewable /sustainable energy sources • Recycling • Basic engineering devices • Electronic circuits • Heating and cooling systems

  4. Approach I propose to use a practical approach, using a ‘robot olympics’ competition to introduce engineering components and materials. Students will be asked to collaborate in pairs to prepare entrants for this competition. The rules and boundaries for the competition and the marking scheme for the competition will be designed by students

  5. Follow up • Students will be asked to prepare a brief (16 slides) PowerPoint presentation outlining the design development of their robot, how it works and calculations of energy transfer etc. • Each presentation should examine alternative solutions and indicate why design choices were made.

  6. Example calculation A motor is to be used to operate a lift in a six storey building. The lift has a capacity of 1000kg and needs to raise the lift 30m in 20 sec. What size (power rating) of drive motor will be required? A load of 1000kg experiences a downward force due to gravity of 1000 * 9.81 = 9810 Newtons Work = Force * distance = 9810N * 30m = 294300 J Power is total work done (J) / time taken (sec) Power (Watts) = 294300 / 20 = 14715 Watts = 15kW Or since 1hp = 0.75kW we need a 20hp motor

  7. Possible classes • Corridor racer • Obstacle course • Walking robot • Rope climb • Jumping robot • Swimming robot

  8. Lecture support The course will be supported by lectures and presentations covering such topics as • Energy storage and transfer • Sensors and actuators • Advanced engineering materials and case studies such as examination of design for line following robot

  9. Line following robot • Drive motors • Line sensors • Power sources

  10. Here are some examples of existing robots for specific applications

  11. Fire fighting robot

  12. Bomb disposal robot

  13. Demolition robot

  14. Rescue robot • Rough terrain • Communication - Remote control • Remote vision • Sensors • Lighting • Manipulators • Materials and safety in operation

  15. Heat pumps • Traditional refrigeration plant • Alternatives e.g. • Peltier effect • Reversible endothermic reactions • Applications for cooling, heating and energy collection

  16. Recommended Resources • Various search and metasearch engines, eg google, www.killerinfo.com/ • MatWeb • UNN Library • CPC • RS Components • Farnell EC components • Maplin • (the latter 3 available on CD)

  17. MatWeb http://www.matweb.com/index.asp?ckck=1 MatWeb, Your Source for Materials Information What is MatWeb? MatWeb is a searchable database of material data sheets, including property information on thermoplastic and thermoset polymers such as ABS, nylon, polycarbonate, polyester, polyethylene and polypropylene; metals such as aluminum, cobalt, copper, lead, magnesium, nickel, steel, superalloys, titanium and zinc alloys; ceramics; plus a growing list of semiconductors, fibers, and other engineering materials. MatWeb is freely available and does not require registration.

  18. More useful sites on the WWW http://plastics.about.com/library/glossary/blpreface.htm Preface to the Dictionary of Composite Materials Technology http://www.ncl.ac.uk/ceam/advmat/external.htm Newcastle U. Materials home page http://www.msel.nist.gov/data.html NIST Materials Properties and Data http://dart.stanford.edu/vlme/onlineserv.html#Catalogs WWW virtual library for Mech Eng http://www.olemiss.edu/depts/general_library/files/subject/engineering.html U. Mississippi Libraries subject guide: Engineering - Free Internet Resources http://eels.lub.lu.se/ae/ "All" Engineering resources on the Internet. A companion service to EELS

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