Robotics and Automation Flashcards
7 cards from real SACA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Robotics and Automation flashcards as text
Which robot configuration is best suited for tasks requiring a large spherical work envelope with high reach?
Answer: Articulated arm robot
Articulated arm robots mimic the human arm with multiple rotational joints, providing a large, flexible spherical work envelope.
In industrial automation, what does the term 'jerk' refer to when describing robot motion?
Answer: Rate of change of acceleration
Jerk is the rate of change of acceleration over time, and controlling it helps reduce mechanical stress and improve motion smoothness.
A pick-and-place robot must select parts from a moving conveyor. Which sensor technology is most commonly used to locate and identify parts on the moving belt?
Answer: Machine vision camera system
Machine vision camera systems can identify part position, orientation, and type on a moving conveyor, enabling accurate pick-and-place operations.
What is the primary advantage of using a parallel kinematic robot (e.g., Delta robot) over a serial kinematic robot for high-speed pick-and-place?
Answer: Higher speed and acceleration due to lower moving mass
Parallel kinematic robots have their actuators fixed to the base, so the moving structure has low inertia, enabling very high speeds and accelerations.
In robot programming, what is a 'singularity'?
Answer: A configuration where the robot loses one or more degrees of freedom
A singularity is a robot configuration where two or more joint axes become aligned, causing a loss of a degree of freedom and unpredictable motion.
Which collaborative robot (cobot) safety feature allows the robot to detect unexpected contact forces and stop immediately?
Answer: Power and force limiting (PFL)
Power and force limiting (PFL) is a cobot safety function that continuously monitors forces and stops the robot if contact forces exceed safe thresholds.
A robot end-effector uses vacuum cups to pick up flat cardboard boxes. Which factor is most critical to ensure reliable suction gripping?
Answer: Box weight distribution and surface porosity
Vacuum gripper effectiveness depends heavily on surface porosity (air leakage) and weight distribution to ensure even suction force across all cups.