Robotics Semester 1 Part 2
The Control Subsystem joystick has?
-two 2-axis analog joysticks -4 trigger buttons -two 4-button directional pads.
the length between square holes on the vex structural metal
0.5
Two types of Derlin Bearing?
1. Bearing Flat 2. Bearing Block
When using screws to attach things together, there are three different nuts which can be used?
1. Nylock Nuts 2. KEP Nuts 3. Regular Nuts
Power Subsystem acts as what system of the robot?
Acts as the circulatory system of the robot
Logic Subsystem acts?
Acts like the robot's brain
Actuators options are?
Continuous Rotation Motors and Servos
Logic
Microcontroller, PWM Cables, Programming Kits
5 Types of Sensors
1. Ultrasonic Range Finder 2. Gyroscope 3. Light Sensor 4. Line Tracking Sensor 5. Potentiometer
What type of batteries does a robot need?
7.2 Volt Rechargeable Battery for Robot 6 AAA Batteries for the Joystick Controller
Gyroscope
A device for measuring or maintain orientation, based on the principles of angular momentum
Motion Subsystem include components that make a robot?
All the components which make a robot move
Line Tracking Sensor
Allows the robot to tell objects or surfaces apart based on how dark or light they are. It shines a beam of infrared light out onto the object, and measures how much light is reflected back
What does a Nylock Nuts need to tighten the nuts?
An open-ended wrench is needed to tighten them Will not shake loose due to vibration or movement
What is needed to tighten a Kep Nut?
An open-ended wrench is not needed to tighten them, but it is recommended
How do Bearing Pop Rivets work?
Are removable; pull out the center piece by pulling up on the head of the Rivet to get it to release
Power
Batteries, Chargers and Associated Items
Sensors
Bumper and Limit Switch, Ultraonic, Line Followers, Shaft Encoders, Potentiometer
Threaded Standoff comes in?
Come in a variety of lengths
Motors comes what type of socket? and designed to?
Comes with a square socket in its face, designed to connect it to the VEX square shafts
Square Shaft allows the use of what type of simple bearings made from?
Delrin
Light sensor
Device that uses a photo cell which allows the robot to detect and react to light
Kep Nuts has what that allows them to grip?
Have a ring of teeth on one side of them which will grip the piece they are being installed on
what feature does Regular Nuts have?
Have no locking feature
Control
Joystick, Transmitter, Receiver, Crystals, Signals Splitter, Tether Cables
Motion
Motors, Servos, Gears, Chain nd Sprockets, Tank Threads and Associated Items
What is needed to install a regular nut?
Require a wrench to install
Motors rotate?
Rotate infinitely
Ultrasonic Range Finder
Sends pulse of sound out and reports the time at which the echo returns back to the sensor
The parts of the Structure Subsytstem of the robot to which all other parts are attached are called?
Skeleton
what are the 4 components that make a robot move?
Square Shaft Bearings Rivets Actuator
What two subsystems are very tightly integrated to form the chassis of the robot?
Structure and Motion Subsystem
How do Kep Nuts need to be installed?
These nuts are installed with the teeth facing the structure
What will happen to Kep Nuts if not installed correctly?
They can loosen up over time if not properly tightened
Motors use what type of screws?
Use gold screws to attach to frame
Servo use what type of screws?
Use gold screws to attach to frame
Potentiometer
Used to measure angular position
Threaded Standoff are useful for?
Useful for mounting components as well as for creating structural beams of great strength
what will sensors tell the robot?
Will generally tell the robot about one very simple thing in the robot's environment
Control Subsystem of the robot can be controlled through?
a combination of manual and autonomous methods
Delrin Bearing provides?
a low friction piece for the shafts to turn in
what size square holes does the VEX structural pieces have?
a standardized 0.5" grid.
Servos
a type of motor that is only able to move 150 degrees
structure
all metal, fasteners and structural/mechanical plastic VEX parts
Logic Subsystem coordinates and controls?
all the other components of the robot
Autonomous
allows the robot to perform desired tasks without human guidance
You need Sensors to be what for the robot?
are the "eyes and ears" of the robot, and can even enable the robot to function independently of human control
A regular nut may loosen overtime as a result of?
as a result of vibration or movement
what is the name of the black plastic three-holed piece
bearing flat
Bearing Pop Rivets help mount?
bearings to VEX structural components
Sensor Subsystem sensors
devices that collect input from the environment and provide information that the CPU can respond to
What is not a name of a NASA research robot
endeavour
Industrial robots are mainly used for research
false
Structure Subsystem of the VEX Robotics Design System,
is the main structural components in the VEX Robotics Design System, including all the metal components and hardware pieces
Most of the VEX motion components use a Square Shaft in their hub because?
it fits tightly on the square VEX shafts
what is the name of the nut with 12 "gears"
keps
Nylock Nuts have a plastic insert that prevents a screw from?
loosening
Interact with the enviroment around the robot
manipulators
What part is not a form of robotic drivetrains?
manipulators
Bearing Flat mounts?
mounts ectly onto a piece of VEX structure
Bearing Block Mounts?
mounts on a piece of structure
Which type of nut in the VEX design system has a plastic insert to prevent the screw from loosening
nylock
Bearing Pop Rivets are pressed into?
place for quick mounting
A robot needs what in order to not be a door stop?
power
The square shaft has what type of corners?
rounded corners
Actuators
something which causes a mechanical system to move
Each servo comes with a?
square socket in its face, designed to connect it to the VEX square shafts
Science Technology Engineering Math
stem
Bearing Block supports?
supports a shaft which is offset above, below, or to the side of the structure
Bearing Flat supports?
supports a shaft which runs perpendicular and directly through the structure
Robot's program will interpret what?
that feedback to determine how it should react
Structure Subsystem forms?
the base of every robot
what does the standardized hole-spacing allows the VEX parts to do?
to be connected in almost any configuration
Control Subsystem allows the operator to?
to maneuver the robot
The square shaft allows it?
to spin easily in a round hole
A square shaft ( square hole) system transmits ?
torque
The CPU of a robot processes information from sensors and makes decisions based on logic
true
Control Subsystem commands are issued?
wirelessly