iRobot Roomba Discovery, Service Manual

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Appendix P: GLOSSARY
*approved*
o
a component that is considered functional and used to verify
faulty components during Built-in-Test
APS
o
Advanced Power System
BiT
o
Built-in-Test
Chassis
o
The plastic frame of the Roomba
Circle Dance
o
The Roomba symptom where robot circles continuously. This
can be caused by dirty encoders, broken drive belts, broken
wheel IR, clogged bumper IR as so forth.
Cleaning Frame Assembly
o
The cleaning assembly includes the pivoting self adjusting
frame that supports the brushes, brush guard, brush motor and
gearbox.
Debris
o
Dirt that is being picked up by the Roomba
Discovery Series
o
Roomba 2 Series that includes the Roomba Red, Sage,
Discovery, Discovery SE and Scheduler
Encoder
o
A sensor that relays information to the pcb
Force Field
o
An IR avoidance beam that ensures the Roomba does not bump
into it. Force field used in the Home Base and Virtual Wall
Home Base
o
The Roomba self charging station
Infra Red (IR)
o
A wave of light with wavelengths greater than those of visible
light.
Light Emitting Diode (LED)
o
Semiconductor light source that emits visible light or invisible
infrared radiation.
Mobility
o
Capable of moving or being moved readily
Original Series
o
Roomba 1 Series that includes the Roomba Original, Pro and
Pro Elite
Over-currents
o
Exceeds the current limits for the motors.
PCB
o
Printed circuit board
Pile
o
The visible surface of a carpet consisting of yarn tufts in a
loop, cut or cut/uncut configuration.
RCON
o
Room confinement (reference to the IR receiver eye on the top
of the outer bumper)
Stasis
o
Refers to things that are not moving or changing
User Interface (UI)
o
The physical means and method of interaction between users
and products
Virtual
o
Not physical