Prime Mobility Group Group Members: Fredrick Baggett William Crick Sean Maxon Advisor: Dr. Elliot...
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Transcript of Prime Mobility Group Group Members: Fredrick Baggett William Crick Sean Maxon Advisor: Dr. Elliot...
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Prime Mobility Group
Group Members:Fredrick BaggettWilliam CrickSean Maxon
Advisor:Dr. Elliot Moore
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Wheelchair that uses sensors in conjunction with a controller for autonomous operation.
Disabled individuals who may not be able to safely operate an ordinary wheelchair.
Primary market will be disabled individuals, hospitals, and healthcare institutions.
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Powerchair ElectronicsPowerchair Electronics
CompactRIO
Controller
CompactRIO
Controller
User InputUser Input
Vision SystemVision
System
Shaft Encod
ers
Shaft Encod
ers
Drive MotorsDrive
Motors
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NI Interface
C Series Module Connection
TTL Logic Signals
Shaft EncoderSignals
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Desired
Speed
Error
current speed
Speed Adjustment
Speed determined
from encoder data
Current Speed
Encoder Data
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Vision System
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Original image Image
with blue color tracking9
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“Laser Range Finder”
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SICK LMS-291 180 degree Field of View 1° angular resolution 30 meter range
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Initialization
Supervisory
Control
Target
Following
Stop
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Target Emblem
L C R
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Obstacles are not allowed in the Green Safety
Zones:
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LIDAR Range
Measurements
LIDAR Range Measurement
s
Image’s Y-Axis Pixel
Height
Mapping
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Image’s Y-Axis Pixel
Height
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X
Y
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•Vision System:• Camera + LIDAR
•Chair Control:•Interface, Shaft Encoders
•Behavior & Programming:• Target Following Mode, Supervisory Control Mode
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