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Published byThomasina Simpson Modified over 9 years ago
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RoboVac Raymond Perez Jetmir Palushi Juan Gamarra Joseph Seborowski Diego Molina
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Objectives Better Cleaning More Power Algorithm Design Dirt Sensors Mapping Outshining Competition
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Objectives Initiate Prototyping Phase Research cheap/effective parts (i.e. sensors,motors,casing…) Purchase components Commence troubleshooting (testing phases) Progress well within project plan
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Project Plan Task NameStartEnd Project Plan1/9/071/11/07 Parts List1/25/072/8/07 Ordering Parts1/25/072/22/07 Define Objectives1/11/071/17/07 Refine Final Design1/11/072/11/07 Validate Prototyping2/9/072/13/07 Manufacturability1/11/072/12/07 Prototype Building2/15/073/4/07
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Detailed Tasks Choosing appropriate parts Microprocessor Motors Casing Battery Omni-directional components Recycling of “Roomba” parts
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Manufacturability Building Process Quick Assembly
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Casing Major problem so far Plastic Injection Molding First Cut Prototype and Proto-mold both turned us down
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Casing Continued Austro Mold - $800 Metal – lighter metals, Al Plastic Bin – fits specific dimensions CNC
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Casing Alternatives
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Mapping Path optimization Eliminate cleaned areas Radial Closed Loop Path Visited path marked as obstacle Memory optimization Complex geometry path prevention
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Sensors and Electrical Components Bumper Switches Obstacles (e.g. wall, couches) Light Sensors Detect Dirt Proximity Infrared Sensors Stair detection Voltage Regulators Switch DC/DC voltage regulator Resistors, Capacitors, Transistors and LED
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Microcontroller Low Supply-Voltage 1.8-3.6V Ultra low-Power Consumption Standby mode 12 Bit A/D converter Memory 60Kb Flash 2Kb RAM
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Programming IAR Embedded Workbench IDE High level programming (C, C++)
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Omni-Directional Platform Cost of Prototyping Weight of Bearing
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Refining Design Changes incurred Casing revisions due to size limitations Choosing the “brain” Altering blower intake Location of motors Omni-directional obstacles
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Refining Design New Blowers –Previous option was no longer available –Next best thing was found at Digi-key –Modification needed to fit system E-bay parts chosen –High Prices for low quantity orders –Wheel Tire set –Brushes
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Progress Prototyping Parts received Parts still pending Returns Pending Deliverables Robot body Final Cost Analysis Programming
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Financial Breakdown
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Obstacles Case molding Maintaining price range $ Controlling directional movement Obtaining market niche Staying within timeline
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