Right Track

1
Right Track

• Members
• Cassie Avery
• Patrice Graham
• Nuj Karnasuta
• Larry Hamlet

2
Project Goals

• To provide drivers with a system which can
• Capture customers signatures
• Send and receives text-based emails
• Modify and restructure the order of deliveries
• Provide wireless transmission of delivery data
  back to the warehouse
• Track and match boxes to delivery orders using
  RFID tags

3
Design Overview

• DAVE - Delivery Automated Van
• Equipment
• VH3 - Vertical Horizontal Handheld

4
DAVE

• Captures mileage information
• Sensors located in the rear of the van read RFID
  tags from boxes
• Track total number of boxes
• Track number of boxes per order
• Feedback given to the driver through the use of
  sounds and colored lights
• Order information transmitted to the VH3

5
Delivery Automated Van Equipment
6
VH3 - Horizontal Mode

• When the unit is stored in the docking station
• Functions
• Displays next delivery address
• Transmits delivery order data to the warehouse

7
VH3 in the Horizontal position
8
VH3 - Vertical Mode

• When the unit is outside the docking station
• Functions
• Review and modify delivery orders
• Send and receive messages
• Capture customers signatures

9
VH3 in the vertical position
10
Evaluation Techniques

• Heuristic Evaluation
• Cognitive Walkthrough
• Interview
• Think Aloud

11
Heuristic Evaluation

• Tested for
• Visibility of the system status
• Simple interaction and dialog
• User control and freedom
• Consistency and standards
• Error prevention

• Usability Errors
• Unclear visibility of available functions
• Ambiguous icons
• Back button option missing
• Vague bullet points
• Inconsistency of information

12
Cognitive Walkthrough

• Results
• Methods to perform a task were invisible
• Icons on buttons were confusing
• Navigation of the system difficult

• Tasks
• Reorder the sequence of delivery orders
• Change the delivery status of orders

13
Interview

• Feedback
• Display screen with invisible functions
• Size not appropriate to hold and carry
• Problem carrying the device in holster
• Unclear meaning of hotkeys
• Change viewing angle of docking station

• Questions asked
• Size and weight of the VH3
• Usefulness of hotkeys
• Placement of the device
• In holster
• In van

14
Think Aloud

• Tasks
• Log onto the handheld
• Read a message
• Change the position of delivery in the route
  schedule
• Change a delivered order to an undelivered order

• Results
• Modifications to login screen
• Indication of available functions needed
• Clearer status of delivery orders

15
Future Work and Direction

• Implement a navigation system that allows users
  to return to previous screens
• Reduce devices size
• Change icons to text
• Provide indication of available functions
• Reorganize lists to be parallel
• Use check marks instead of bullets
• Provide pull-down menu on driver login screen