ME 462 Capstone Design

1
Hospital Bed Back Motion Device 2006-2007
National Student Design Contest
ME 462 - Capstone Design
Corporate Sponsor 2006-2007 National Student
Design Competition
Advisor Dr. Jie Chen

Group Members Andrew Burian, Andy Cash,
Jeffrey Jones, Kelly McGowan, Yoshiko Ishibashi
Joystick
Design Objective Design variable speed hospital
bed back lift and compatible controller.
Fall 2006 Capstone Design Project

• Competition Requirements
• Variable speed bed back
• Support 400 lb patient
• User force controlled (1-20 lbs.)
• Separate Caregiver Station (1-5 lbs.)
• Budget 2000

Constraints 1-20 lbs
force Utilizes Extended Physiological
Proprioception
Controller
Bed Back Mechanism
Caregiver Station
Constraints Control
Variable 90DC Motor Joystick Compatible Push
Button Compatible Robust Design Sealed Case
Constraints Variable
Speed Compatible Velocity Smooth Motion Weight
Push Buttons One button
(up), One button (down) When button is released,
bed motion stops