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Team 3D Erik Lorhammer Christopher BermelJosh Cornelius Electrical Computer Engineering Electrical EngineerElectrical Engineer.

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Presentation on theme: "Team 3D Erik Lorhammer Christopher BermelJosh Cornelius Electrical Computer Engineering Electrical EngineerElectrical Engineer."— Presentation transcript:

1 Team 3D Erik Lorhammer Christopher BermelJosh Cornelius Electrical Computer Engineering Electrical EngineerElectrical Engineer

2 Objectives  3D Volumetric Display  System will load pictures from an external memory source to main memory and send pictures to projector in a specified order.  Project an image onto a rotating screen, the rotation of this screen will produce the appearance of a 3D image. The projected images will be 2D.  Uses: Projection of 3D images can be used for multiple purposes, examples could include military use, topographical maps, educational use (DNA strands), medical, etc.

3 Power Supply (9V) Altera FPGA Memory Card Control Panel Projector Optical System (Mirrors) Motor Mechanical System Screen USB/VGA Gears/Belt Power 120V 60Hz Voltage Control

4 Control Board (FPGA) Projector Motor

5  Main board of the system  Connects by VGA to projector and has external memory interface.  Connects to an external button panel which will provide all the inputs needed. (Load from external memory to memory, turn on/off system, start output to projector, stop output to projector)  Development work will be done on the Altera Development Board present in capstone lab which already has Flash input and VGA output.  Once development work is completed the Development Board will no longer be used and a PCB will be constructed with only the following components:  Altera FPGA  External Memory Input  VGA Output  Control Panel hookup  Power Subsystem  On-Board Flash Memory

6  A series of images will be displayed on a rotating translucent screen. Each image will be taken from a different angle, so the projection of the sequence will appear 3 dimensional.  Mirrors will rotate along with the screen so the projector can remain stationary.  The translucent screen will transmit 50% of the light, so the image will appear to be floating in space.  The projector we are currently looking at is a small handheld projector.  The desired resolution is either 480x320 or 640x480, depending on the projector.  The projector will connect to the control board through either VGA.

7  Step-up Motor by Automation Direct which will operate at a certain RPM determined by our hardware’s FPS and the refresh rate of the projector we choose.  Rotate disk that will contain a screen and set of mirrors by either a system of gears or belt  Possible Materials  Aluminum ▪ Rotating Disk (possibly Plexi-glass) ▪ Structurally hold Screen ▪ Base  Purchase Gears

8 Schedule

9  FPS may not be sufficient to produce a quality 3D image.  Lower resolution  Decrease complexity  Decrease number of colors (ie. 24 bit to 256 color)  Unfamiliar Technology  Altera FPGA (Cyclone II) ▪ Xilinx board (used in digital logic, but prefer not to)  Interfaces ▪ Flash ▪ VGA  Mechanical aspects ▪ Materials (metals, gears, belts, etc) ▪ Could use outside assistance to get mechanical aspects working correctly ▪ Torque of motor may be insufficient

10  Financial  Cheaper components that are still effective ▪ Instead of metal use alternate for example Plexi-glass or Plastics  Request bailout for 3D volumetric display industry  Schedule Uncertainty  Other classes  Work  Weather  Machining Schedule and Class  Can’t exactly predict how long components will take us to build/test

11  Cost  Motor - $20 (AutomationDirect – STP-MTR-17048)  Altera FPGA – SparkFun - $Free  PCB – $10  Mirrors - $100  Projector - $400  Screen - $50+  Dome - $100  Base - $50  MFG / Production / Materials Cost - $400 ▪ Total: ~$1130  Potential Marketability  Military, Education, Medical, Architecture, anyone who would ever want to see a 3D image, etc. Could be adopted for multiple other uses in the future.  Purchase price – Mass Production - $5000  Environmental Impact of Manufacturing  The union of the impacts of manufacturing the individual components plus putting them together. Energy cost of running the unit.

12  Sustainability  Parts from more than one vendor? No, the parts are chosen carefully to fit specific needs.  Maintenance and support? Mechanical aspects of the system could possibly break. Need replacement parts for every part of the system, plan to replace every part. Will have User Manual and 1-800 number if system ever reaches market.  Manufacturability  Effect of Component tolerances? System could overheat, metal and mirrors and glass will be spinning at high speed.  Worst-case analysis, expected production yield? Worst case is system becomes unstable during rotation or mirrors shatter during vibration as well as electrical components coming detached. 99/100 systems will be manufactured well as long as defects are not in our suppliers products.  Testability? Straight forward, make sure all components work especially the mechanical components and put out dummy image to see if the full system is working.  Compliance to regulations? Will have to keep system within FCC regulations, system will be shielded by its casing. Have to make sure the mechanical aspects are safe.

13  Safety  Safety in the workspace? Glass will be thick enough in final product to protect user from any demolition inside the globe.  System safety issues? Discussed in earlier sections, the system will plug straight into the wall with shielded cables.  Impact on society  This product will have a huge positive impact on society. The pros will outweigh the cons.

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