iRobot Roomba 570 Service Manual - Page 76

Appendix K: Glossary - gearbox

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Appendix K: Glossary BiT Black Box Chassis Cleaning frame assembly Debris Encoder Force field Home base Infra Red (IR) Light Emitting Diode (LED) Mobility Panic Spin PWM Radio Frequency (RF) RCON Stasis User interface (UI) Virtual o Built in test o Robot data recorder that tracks information during the robot's life. o The plastic structure/frame of the Roomba o The cleaning assembly includes the pivoting self adjusting frame that supports the brushes, brush guard, brush motor and gearbox. o Dirt that is being picked up by the Roomba o A sensor that relays information to the pcb o An IR avoidance beam that ensures the Roomba does not bump into it. Present in the Home Base and virtual Wall o The self charging station o A wave of light with wavelengths greater than those of visible light (0.75 and 1000 µm). IR does not pass through walls. o Semiconductor light source that emits visible light or invisible infrared radiation. o Capable of moving or being moved readily o A systematic escape behavior that the robot enters when it thinks it is stuck. The robot senses that its front wheel is not turning and abruptly changes course with a rapid spin. o Pulse width modulation o The frequency range from 10 kHz to 100 GHz used for transmitting data, audio, or video. RF passes through walls. o Room Confinement (reference to the omni-directional IR sensor that sits on top of Roomba's bumper) o Refers to things that are not moving or changing o The physical means and method of interaction between users and products o Is not physical 76

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Appendix K: Glossary
BiT
o
Built in test
Black Box
o
Robot data recorder that tracks information during the robot’s life.
Chassis
o
The plastic structure/frame of the Roomba
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
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. Present in the Home Base and virtual Wall
Home base
o
The self charging station
Infra Red (IR)
o
A wave of light with wavelengths greater than those of visible
light (0.75 and 1000 μm
)
. IR does not pass through walls.
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
Panic Spin
o
A systematic escape behavior that the robot enters when it thinks
it is stuck. The robot senses that its front wheel is not turning and
abruptly changes course with a rapid spin.
PWM
o
Pulse width modulation
Radio Frequency (RF)
o
The frequency range from 10 kHz to 100 GHz used for
transmitting data, audio, or video. RF passes through walls.
RCON
o
Room Confinement (reference to the omni-directional IR sensor
that sits on top of Roomba’s 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
Is not physical