Snow Shove ling Robot Ar ie l Ave zbadalov Roy Pastor Samir - PowerPoint PPT Presentation

Snow Shove ling Robot Ar ie l Ave zbadalov Roy Pastor Samir Mohamme d T r avis F r anc is Gr oup 3 ME 3283

Ove rvie w • Ob je c tive • I ntro duc tio n – Pro b le m Sta te me nt – Pro po se d So lutio n • L imita tio ns • Spe c ific a tio n • E ng ine e ring De sig n – Me c ha nic a l De sig n – E le c tric a l Circ uits – Co ding • Co st Ana lysis • Co nc lusio n • Re fe re nc e s

Obje c tive Ge ne ra l: • T o sho ve l a nd re mo ve sno w fro m the side wa lk with the utmo st e ffic ie nc y a nd minimum huma n inte rve ntio n a nd la b o r Additio na l: • T o c re a te a wa lkwa y pa th a nd dispe nse sa lt in o rde r to pre ve nt sno w/ ic e b uildup

Introduc tion Problem Statement • Wa lking o n Sno w a nd I c e c a n b e ve ry da ng e ro us • Ma nua l Sno w Sho ve ling c a n b e ve ry pa inful Ma ny me dic a l side -e ffe c ts: – I nc re a se Blo o d Pre ssure + He a rt Ra te – Ba c k Pa in + Musc le Stra in – Pro mo te s b lo o d c lo tting + Sudde n He a rt Atta c k • “One study e stima te d a s ma ny a s 1200 he a rt re la te d de a ths ye a rly during a nd a fte r ma jo r sno wsto rms” -E ye witne ss Ne ws (http:/ / a b c lo c a l.g o .c o m/ wa b c / sto ry? se c tio n=he a lth&id=3902666)

Introduc tion Proposed Solution • An a uto no mo us sno w sho ve ling de vic e to re mo ve sno w with minimum huma n la b o r Before After

Introduc tion Proposed Solution • Be ne fits o f o ur a uto no mo us sno w sho ve ling de vic e : – No huma n la b o r re q uire d – Pe rfo rms ta sk with minimum supe rvisio n – Cre a te s a wa lkwa y pa th fo r pe de stria ns – Pre ve nts sno w/ ic e b uildup fro m sa lt

L imitations • Re stric te d to use r input • Stra ig ht a nd fla t pa ve me nt • Sto ps whe n de vic e de te c ts o b sta c le • Sto ps whe n sa lt le ve l is lo w

Spe c ific ations • Ba sic Sta mp I I • Compass – (Bo a rd o f E duc a tio n) • Limit Switch • 3 Se rvo Mo to rs • Push Buttons • I R (I nfra re d) Se nso r • Piezo Speaker • 1 Pho to re sisto rs • Red LED

Spe c ific ations Se le c tion of Se nsor s • Basic Stamp (Mic roc ontrolle r): – Re a d se nso r sig na ls, pro c e ss da ta , c o ntro l o utput de vic e s • Se r vomotor s: – Po we r so urc e fo r mo b ility/ Co ntro l o utput ra te o f sa lt • Infr ar e d Se nsor : – De te c t o b sta c le s a nd impe dime nts • Photo re sistor: – De te c t a mo unt o f sa lt in dispe nse r • Compa ss: – E nsure s mo ve me nt o n a stra ig ht pa th • L imit Switc h: – Me a sure dista nc e tra ve le d

E ngine e r ing De sign Mechanical Structure Snow Shovel

E ngine e r ing De sign Mechanical Structure Salt Dispenser

E ngine e r ing De sign Mechanical Structure Treads/

E ngine e r ing De sign Motor Circuits Left Motor Servomotor Right Motor P P 0 P 2 1 White + + + Left Motor 7 . 2 V 7 . 2 V 7 . 2 Right Motor V Black Vss Vss

E ngine e r ing De sign Sensor Circuits + 5 V Infrared Sensor Compass + 5 V 1 20470 Ω 6 1 Din + 5 V 5 2 Dout / EN + 5 V 8 1 k Ω 3 4 GND V V + 2 CLK dd in 1 / CS 5 V ref 7 CLK Vss 4 GND 1 k Ω 6 V − 3 DO in

E ngine e r ing De sign Sensor Circuits Salt Sensor Limit Switch + 5 V Ω 1 k Photoresis tor Vss

E ngine e r ing De sign User Interactives Push Buttons + 5 V + 5 V 220 Ω 220 Ω P P 9 10 2 k Ω 2 k Ω Vss Vss Piezo Speaker Red LED − + Re d P 2 Ω 1 k P Vss 3 Vss

E ngine e r ing De sign Schematic Design Operation COMPASS + USER PHOTO LIMIT SWITCH IR SENSOR INTERFACE RESISTORS BASIC STAMP II PIEZOELECTRIC RED LED MOTORS SPEAKER

E ngine e r ing De sign Coding Aspect [Hyperlink]

Pr ototype Cost Part Quantity Price Each Total BS2 [Board of Education] 1 $ 100.00 $ 100.00 Vex Motors 3 $ 20.00 $ 60.00 Infrared Sensor 1 $ 12.50 $ 12.50 Photo Resistor 2 $ 1.95 $ 3.90 Limit Switch 1 $ 6.00 $ 6.00 Compass 1 $ 29.95 $ 29.95 Plexiglas - - $ 10.00 Chassis - - $ 31.00 Tank Treads 2 $ 15.00 $ 30.00 Steel Plate - - $ 6.00 Miscellaneous - - $ 30.00 Total Cost $ 319.35

Mass Pr oduc tion Part Quantity Price Each Mass Production BS2 [Board of Education] 100 $ 85.00 $ 8,500.00 Vex Motors 100 $ 17.50 $ 1,750.00 Infrared Sensor 100 $ 10.00 $ 1,000.00 Photo Resistor 100 $ 1.50 $ 150.00 Limit Switch 100 $ 4.50 $ 450.00 Compass 100 $ 22.00 $ 2,200.00 Plexiglas 100 $ 7.50 $ 750.00 Chassis 100 $ 25.00 $ 2,500.00 Tank Treads 100 $ 13.00 $ 1,300.00 Steel Plate 100 $ 5.00 $ 500.00 Miscellaneous 100 $ 25.00 $ 2,500.00 Total $ 216.00 $ 21,600.00

Conc lusion Summary • Sno w Sho ve ling Ro b o t – Mo st e ffic ie nt me tho d o f re mo ving sno w witho ut la b o r – Cre a te s a sa fe tra ve l pa th – I ne xpe nsive de vic e – Use r F rie ndly – Ca pa b le fo r upg ra de s & mo dific a tio ns (o pe n slo ts fo r ne w se nso rs)

Conc lusion Improvements • Orie nta tio n o f Ba sic Sta mp to a c c o mmo da te la rg e r vo lume o f sa lt • Mo re po we rful mo to rs • Ab ility to re mo ve sno w o n inc line d surfa c e s • Ab ility to b ypa ss o b sta c le s a nd impe dime nts • T re a ds ma de o f Rub b e r

Re fe re nc e s • http:/ / a bc loc a l.g o.c om/ wa bc / story?se c tion=he a lth&id=3902666 • http:/ / www.pa ra lla x.c om • http:/ / www.ve xla bs.c om • http:/ / www.nd.e du/ ~srde sig n/ a me 470/ proje c t3/ prva / doc ume nts/ c onc e ptshe e ha n.pdf • http:/ / www.a c ronym.c om