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ECET Senior Project Ideas Department of Engineering and Technology August 29, 2008 Robert D. Adams Outline • • • • • • • Power Supply Project Water Detection and Automatic Shut-off Secure Mailbox Project Optical Communications System Ultra Wide Band (UWB) System User Interface for Human Tremer Software Web-Based Simulator for Student Interactive Laboratory Activities • Mathematical Model of the Human Motion August 28, 2008 Robert D. Adams Power Supply Project Minimum Specifications: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Two variable output voltages: 0 to 12 volts 0 to -12 volts Both outputs capable of delivering up to 500 mA. Digital readouts of output voltage and current. A single digital readout with a switch for output current or voltage is acceptable. Digital readout(s) will be accurate to within ± 0.1 volts, ± 1mA. Short circuit protection on both outputs. Both outputs will be regulated. No worse than 1 % variation in output voltage between no-load and full-load. AC line insulated from case and fused. Clean circuit board layout. Professional appearing enclosure. No hanging wires. Write a complete maintenance manual with trouble shooting guide. August 28, 2008 Robert D. Adams Automatic Water Detection/Shutoff • Water damage due to leaking hot water heaters or faulty plumbing can be devastating to a homeowner. • Electronic detection of water is a fairly simple task – products that sound an alarm when water touches a sensor are commercially available. • There is a need to incorporate an automatic shutoff valve to the main water feed when the presence of water is detected. • In order to reduce the hazards associated with electric sources in a humid environment, such a system should operate on battery alone. August 28, 2008 Robert D. Adams Secure Mailbox Project Goal: Design a mailbox that can be accessed only by a code when full of mail, and yet available for opening by the mail carrier when the mailbox is empty. Operation: 1. Mail carrier puts mail in the box, then lifts up the flag. The flag is attached to a lever that sets a lock as it is raised. 2. Later in the day, the resident comes to pick up mail. He / she enters a code on a keypad which disengages the lock. He / she opens the door, gets the mail, pulls down the flag and closes the door. Door to the mailbox is now free to open. August 28, 2008 Robert D. Adams Optical Communications System Goal: • Design a digital communication system which uses an optical fiber to transmit a message. • A team project with three main parts: Baseband, Modulation, Demodulation August 28, 2008 Robert D. Adams Optical Communications System Baseband Specifications: • Analog source (Function generator, audio, or voice) • Analog-to-Digital Converter • Parallel-to-Serial Conversion • Serial-to-Parallel Conversion • Digital-to-Analog Conversion August 28, 2008 Robert D. Adams Optical Communications System Modulator: Baseband, PSK, or FSK optical modulation Demodulator: Baseband, PSK, or FSK optical demodulation Channel: Optical fiber August 28, 2008 Robert D. Adams User Interface for Human Tremer Software A test bed for generating artificial human tremers and saving the electrical signals of motion to Excel has been built and tested. A mathematical program has also been developed to analyze the tremers. There is a need for the development of user-interface software to allow the user to test various types of analysis with different types of tremer signals. August 28, 2008 Robert D. Adams Ultra Wideband (UWB) Communications UWB is a system that has promise for high data rate wireless communications within a short range. The current UWB system in the E&T department needs to be thoroughly tested. Test equipment in the E&T department can captured realtime pulses from the UWB system and can analyze spectral energy up to 70 GHz . August 28, 2008 Robert D. Adams Ultra Wideband (UWB) Communications The student working on this project will: • Learn how to use the UWB system, • Learn how to use the test equipment. • Thoroughly test the UWB equipment in different wireless environments. • Report on the test results paying attention to the capabilities and susceptibilities of the UWB system. • Write a computer program to simulate the UWB system in a noisy wireless environment and compare the simulation results with measurements. August 28, 2008 Robert D. Adams Web-Based Simulator for Student Interactive Laboratory Activities Background: Equipment for laboratory activities is often very expensive and not available to most institutions. Example: Medical Imaging equipment for experiments by engineering and science students. Digital technology simulators can be developed and used for effective training. Example: Aircraft simulation for pilot training. Open-source web-based simulators allow students anywhere in the world to perform a variety of interactive learning activities. August 28, 2008 Robert D. Adams Web-Based Simulator for Student Interactive Laboratory Activities Phase 1: Research of Simulation Methods Result: report on the current and equipment simulation methods and applications. Phase 2: Design and development of a simulator. A particular instrument or type of equipment will be selected and a an opensource web-based simulator to enhance engineering education will be developed. Phase 3: Evaluation The simulator will be evaluated by selected students and faculty in several institutions. August 28, 2008 Robert D. Adams Mathematical Modeling of Human Motion Background: 3D computer models of the adult human body are available for biomedical researchers. These models are typically positioned in the upright position. There is a need to have available other positions such as sitting down, reaching up with the arm, etc. The different positions allow researchers to test the electrical effects on the human body in different positions. August 28, 2008 Robert D. Adams Mathematical Modeling of Human Motion Background (continued): Models of children are not always readily available. However there is a need to mathematically model electrosurgery on children because they are susceptible to harmful heating effects of these instruments. Children have a head that is proportionally larger than that of the human adult and arms and legs that are wider than the average adult. Adult models can be rescaled to approximate that of a child. August 28, 2008 Robert D. Adams Mathematical Modeling of Human Motion Requirements: 1) Write a computer program to re-position the limbs and torso of a 3D computer model of the human body. The program should be able to bend the arms at the shoulder and at the elbow. The program should be able to bend the legs at the hip and at the knee. 2) Write a computer program to rescale the adult model to the dimensions of a young child. August 28, 2008 Robert D. Adams