Transcript Task - Digital Health

Digital Health
ES 242 Engineering by Design
Overview
• To create a wheelchair
– Help go down hills
– Monitor posture
– Aid in doctor diagnosis
As a whole
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Brainstorm about real health problems
Decided on applications to a wheelchair
Broke into two groups
Obtained two wheelchairs
Cushioning
Brakes
Wheelchair Monitoring System
Real World
• Effects of bad posture
– Bone problems
• Weakens tendons or ligaments
– Fatigue
– Herniated disk
– Internal organs
– Scoliosis
– Spinal chord injuries
General Task
•Working proto-type, proof of concept.
• Successfully analyze the posture of a patient in a wheelchair.
•Force sensors
•Seat
•Back
•Remotely monitor their presence in a wheelchair.
•Laptop
•LabView
Specific Tasks
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Find a wheelchair
Find/Purchase sensors
Find cushioning
Develop the circuit on a breadboard
Develop the circuit on a circuit board
Program for Lab View
Power management
Sensor placement
Specific Tasks Cont.
• Attach fabric, cushion, circuit board, sensors,
and laptop to wheelchair
• Trial runs
• Finishing touches
Schematic
Circuit
Potential Problems
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Broken equipment
Sensor alignment
Circuit integration
Data transmission
Power Management
Power Management
• Voltage required for each operational
amplifier
• -9V/9V
• Voltage required for each force sensor
• -5V