Transcript
  • 8/10/2019 Smart Cart - PROGRESS Presentation

    1/20

    Smart CartMECH 548 V ehicle Design ProjectProgress Presentation

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    2/20

    Agenda

    Introduction

    Attributes, Criteria and Targets

    Architectural Enablers

    Performance Enablers

    Project ManagementCosts

    Impacts

    References

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    3/20

    Motorized shopping cart with integrated self-checkout

    station

    Mobility integration

    Enhance the shopping experience

    Introduction

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    4/20

    Motorized carts

    People w ith disabilities o r

    any sort of mobility difficulty

    Three or four wheels

    250 to 750 lbs.

    $500 to $1500

    Manufacturers: Amigo, Pride,

    Sierra, Shoprider, MartCart,

    Spitre

    Self checkout Large, self-standing units. $25,000 Large retailers i nstall 5 -15

    units Manufacturers: FUJITSU,

    IBM, NCR, ECRS

    State of the a rt

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    5/20

    Supermarkets market data

    MarketProduct users

    Customers: Main supermarket andgrocery st ores c hains

    Final Client: Ordinary shoppers

    $ 620 Bi in sales ; 1.9% margin [2013]

    3.4 Mi employees in 35,000 st ores

    $ 137 sales per l abor hour

    Top ten retailers account for 35 % of

    the stores an d 70% of sales

    Low margin, labor-intensive

    Labor as ~ 20 % of COGS

    FMI Report 2013; The Reinvestment Fund

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    6/20

    Self-checkout benets

    Market Acceptance of selfut

    52% of the consumers lean towardautomated service

    61% of consumers would be willing

    to sh op at a fully automated self-

    service st ore

    65% of the re spondents want self-

    service opti on while sh opping to

    avoid queues and delays

    35% of the t otal sales in storeswith systems

    Checkout times reduced 40%

    Customers move through

    checkout lanes increased 2 0%

    FMI Grocery Trends 2012, Booz&Co, Nielsen

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    7/20

    Attribute Criteria Target

    Safety

    Speed Not to exceed 3 mph

    Stability Support at least 500 lbs

    Ergonomic Comfortable driving position

    ManeuverabilityMovement

    Capable of forward and backward

    movement

    Turning Able to navigate set obstacle course Affordability Cost $600 or less

    Longevity Battery Life 1 hour runtime

    ConvenienceSelf Scan Recognize object scanned

    Security Able to recognize that the correct items

    are i n the ba sket

    Attributes, Criteria and Targets

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    8/20

    Environment

    Design Concept

    Components and subsystems

    Structure

    Powertrain

    Self Check Out

    Archictetural Enablers

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    9/20

    Design

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    10/20

    Rear Drive Assembly

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    11/20

    Electronics

    Simple an d interactive user i nterface

    Bluetooth connection between barcode scanner

    and database u sing portable devices

    Barcodescanner Getblue Bluetooth MS Excel

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    12/20

    Bill of Materials (BOM)

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    13/20

    Performance Enablers

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    14/20

    R

    Vo

    w

    R

    Gear 3

    Drive Wheel(Rolling w/o Slip)

    Gear 2

    Gear 1(Attached to

    Wheel)

    7.82 4.67

    Gear Calculations

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    15/20

    14 Tooth 60 Tooth

    4.28 Gear R atio

    Targeted: 36.5 Gear R atio

    Current Selection: 33.4

    86 Tooth11 Tooth

    7.81 Gear R atio

    Current selection is a com promise ba sed on available off

    the sh elf parts

    Limiting factor t o a vailability is b ore si ze to t shaft

    and common size chain between both sprockets

    Gear Calculations

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    16/20

    550 lbf load applied to theplatform

    Fixed constraint to t he a xlecontact points

    Displacement of 0.0078in andmax st ress of 10647psi

    FEA Analysis - Chassis

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    17/20

    225 lbf load applied to the a xle location with a xed constraint on

    the ou tside su rface of the wheel

    Resultant stress was 77 45.03psi and resul tant displacement was .

    0024in

    FEA Analysis - Wheel

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    18/20

    Project Management

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    19/20

    Consumers (shoppers)

    - Quicker shopp ing times

    - Easier bu dgeting

    - Fun experience

    Environmental- Increasing energy cost

    Costumers (markets)- Lower over head cost

    - New loss pre vention procedure

    - Opportunity for di rect marketing to c onsumers

    Ethical Considerations

    - Consumer privacy*Complies with ASME code of ethics

    Impacts

  • 8/10/2019 Smart Cart - PROGRESS Presentation

    20/20

    http://mentaloss.com/article/26470/brief-history%E2%80%94and-future%E2%80%94-shopping-cart Accessed in 10/08/2014

    http://www.scootarou nd.com/blog/the-history-of-the-mobility-scooter - Accessed in 13/08/2014

    https://nrf.com/news/reta il-tren ds/self-service-is-king-% E2%80%A6 Accessed in 10/08/2014

    Understanding the Grocery Industry, The Reinvestment Fund, 09/30/2011 Supermarket Facts, Food Market Institute (FMI), 2013.

    References

    http://mentalfloss.com/article/26470/brief-history%E2%80%94and-future%E2%80%94-shopping-carthttp://mentalfloss.com/article/26470/brief-history%E2%80%94and-future%E2%80%94-shopping-carthttp://www.scootaround.com/blog/the-history-of-the-mobility-scooterhttps://nrf.com/news/retail-trends/self-service-is-king-%E2%80%A6https://nrf.com/news/retail-trends/self-service-is-king-%E2%80%A6https://nrf.com/news/retail-trends/self-service-is-king-%E2%80%A6https://nrf.com/news/retail-trends/self-service-is-king-%E2%80%A6https://nrf.com/news/retail-trends/self-service-is-king-%E2%80%A6https://nrf.com/news/retail-trends/self-service-is-king-%E2%80%A6http://www.scootaround.com/blog/the-history-of-the-mobility-scooterhttp://mentalfloss.com/article/26470/brief-history%E2%80%94and-future%E2%80%94-shopping-carthttp://mentalfloss.com/article/26470/brief-history%E2%80%94and-future%E2%80%94-shopping-cart

Top Related