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

• up 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
• 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
• 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

• 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)

Problem Statement

• 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

Introduc tion

Proposed Solution Before After

• 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

Introduc tion

Proposed Solution

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 – (Bo a rd o f E duc a tio n)

• 3 Se rvo Mo to rs
• I

R (I nfra re d) Se nso r

• 1 Pho to re sisto rs
• Compass
• Limit Switch
• Push Buttons
• Piezo Speaker
• Red LED

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

Spe c ific ations

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

2

P

Vss Right Motor

V 2 . 7 +

Motor Circuits

Left Motor Right Motor Servomotor

1

P

White Black

V 2 . 7 +

P

Vss Left Motor

V 2 . 7 +

E ngine e r ing De sign

Sensor Circuits

Infrared Sensor Compass

V 5 +

120470Ω V 5 + V 5 +

1kΩ 1kΩ

1 7 6 8 2 3 4 5

dd

V

CLK DO

in

V +

in

V −

ref

V

GND CS /

V 5 + Vss 1 2 3 4 5 6 CLK Din Dout GND EN /

E ngine e r ing De sign

Sensor Circuits

Salt Sensor Limit Switch

V 5 + Vss tor Photoresis Ω k 1

E ngine e r ing De sign

User Interactives

Push Buttons

2

P + Vss −

Piezo Speaker

220Ω

9

P

5V + 2kΩ Vss 220Ω

10

P

5V + 2kΩ Vss

Red LED

3

P

Ω k 1 d Re Vss

E ngine e r ing De sign

Schematic Design Operation

USER INTERFACE COMPASS + PHOTO RESISTORS LIMIT SWITCH IR SENSOR BASIC STAMP II PIEZOELECTRIC SPEAKER MOTORS RED LED

E ngine e r ing De sign

Coding Aspect [Hyperlink]

Pr

• totype Cost

$ 319.35 Total Cost $ 30.00

• Miscellaneous

$ 6.00

• Steel Plate

$ 30.00 $ 15.00 2 Tank Treads $ 31.00

• Chassis

$ 10.00

• Plexiglas

$ 29.95 $ 29.95 1 Compass $ 6.00 $ 6.00 1 Limit Switch $ 3.90 $ 1.95 2 Photo Resistor $ 12.50 $ 12.50 1 Infrared Sensor $ 60.00 $ 20.00 3 Vex Motors $ 100.00 $ 100.00 1 BS2 [Board of Education] Total Price Each Quantity Part

Mass Pr

• duc tion

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

Conc lusion

• 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)

Summary

• 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

Conc lusion

Improvements

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