ROBOTIC WINDOW CLEANER
2.3.5The Concept of Dual Rotating Arms..............................................................................32
2.3.6 Extendable Wiper..........................................................................................................33
2.3.7 Selection of the concept................................................................................................34
2.4 Evolution of robotic development........................................................................................34
2.4.1 Industrial robots.............................................................................................................34
2.4.2 Mobile robots................................................................................................................35
2.4.3 Underwater Robots........................................................................................................35
2.4.4 Service robots................................................................................................................35
2.5 battery and power supply.....................................................................................................36
2.6 Ergonomics..........................................................................................................................37
Engineering Specifications.....................................................................................................40
2.7 working principle.................................................................................................................43
2.7.1 Project Information........................................................................................................45
2.8 physical features...................................................................................................................47
2.8.1DC Motors......................................................................................................................47
2.8.2 Transformers.................................................................................................................47
2.8.3 Liquid Cristal Displays LCD.........................................................................................47
2.8.4 Sensors...........................................................................................................................48
2.8.5 Microcontrollers............................................................................................................48
CHAPTER THREE.......................................................................................................................49
MATERIALS AND METHODOLOGY.......................................................................................49
3.1 DESIGN CRITERIA............................................................................................................49
3.2 Facilities Required...............................................................................................................49
3.3 Design process.....................................................................................................................50
3.3.1 Proposed Assembly drawing.........................................................................................50
3.3.2 The working procedure.................................................................................................52
3.3.3 The concept of attached magnet....................................................................................52
3.3.4 The concept of extendable wiper...................................................................................54
3.4 ENGINEERING ANALYSIS..............................................................................................57
3.4.1Re-evaluation of the extendable wiper...........................................................................57
3.4.2 Quantitative Analysis on the Concept of Attached Magnet..........................................58

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The Design of Robotic Window Cleaner

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