Systems and Subsystems
Name one of the 7 robotic subsystems.
Accepted responses:
The idea phase is where we breakdown the problem that we need to solve. What is 1 task we do during this phase?
1. Define the problem; identify criteria and constraints
2. Research
3. Brainstorm/sketch
4. Collaborate with team
The gear attached to the motor is known as this.
Input gear
The Vex Cortex has this many motor ports.
10
A robot that can perform tasks on its own is known as this.
Autonomous
This is the foundation of the structure subsystem; the base frame of a motor vehicle or other wheeled conveyance.
Chassis
What is one thing you should do before making changes on your prototype?
1. Approval from team
2. Document all ideas
3. Answers may vary
What is 1 advantage of using gears?
Increase/decrease speed
Increase/decrease torque
Change direction of rotation
This is the menu in RobotC that allows the user to configure all the inputs and outputs plugged into the cortex.
Motor and Sensor Setup
When a software, machine or robot is easy to use and understand is known as this.
User-friendly
The motion subsystem is responsible for all moving parts on the robot. This includes the wheels and any other end effectors. Name 3 components of the Motion subsystem.
Accepted responses:
Give 2 rules you should follow when working with a team.
Answers may vary.
This type of gearing system is best used to transmit power over long distances.
Sprocket and chain
Name the correct setting for the following:
a. Platform Type
b. Language
a. Vex 2.0 Cortex
b. Natural Language 2.0
What are 2 different application of robotics in our society?
Helping elderly, exploration, manufacturing, search and rescue, bomb defusing, surveillance, surgery, driving, warehouse management, vacuuming, education, and many more
Compare 1 human body system to 1 robotic subsystem.
Human: muscular, skeletal, respiratory, circulatory, nervous, digestive,
Robot: structure, motion, power, control, logic, sensors, programming
Answers may vary
Explain the purpose of using a Solution Matrix.
Explain what happens when the center of gravity of an object fall outside of the support base.
Object will tip over
A touch sensor is a digital sensor that can only return these 2 values.
0 or 1
Give 1 positive and 1 negative of the implementation of robotics in the construction industry.
Pos: high efficiency, eliminates issues with human workers, access inaccessible places, creates some jobs, helps people with tasks they can't do
Neg: replaces jobs, needs maintenance, can be unreliable and fail, require power, no real-time thinking in a crisis, limited to its programming, dangerous
The idea of subsystems is that they are separated from other systems, yet are vital in the functionality of the overall, larger system. Choose 2 of the main robotic subsystems and explain how they depend on each for the overall success of the robot.
Answers may vary.
What was the biggest factor in succeeding in the tractor pull challenge? Explain why.
Torque ratio, traction, weight of robot, tread type, wheel size.
Calculate the gear ratio of an 84-tooth gear driving a 12-tooth gear? Is this a speed or torque ratio?
1:7 = 0.14; Speed
Explain what this program is doing:
task main()
{
setMotor(leftMotor, 127);
setMotor(rightMotor, 127);
wait(3);
stopAllMotors();
}
Moving forward for 3 seconds and stops.
Give 1 positive and 1 negative of the implementation of robotics in the medical industry.
Pos: high efficiency, eliminates issues with human workers, access inaccessible places, creates some jobs, helps people with tasks they can't do
Neg: replaces jobs, needs maintenance, can be unreliable and fail, require power, no real-time thinking in a crisis, limited to its programming, dangerous