Robotics Industry Glossary
F
Factory Automation
The use of robots and control systems to automate manufacturing processes, reducing human intervention and increasing efficiency.
Fail-Safe
A design principle ensuring that a robot defaults to a safe state upon system failure, such as braking joints or releasing tools.
Fail-Safe Design
Engineering principle ensuring that system failures default to a safe state such as brakes engaged, power cuts, motion halts).
Feature Extraction
The process of identifying and describing key visual or geometric elements (edges, corners, points) in sensor data for robot perception.
Feedback
Sensor information returned to a robot’s controller about the current state (position, force, velocity) used for error correction.
Feedback Control Loop
A closed-loop system where sensor data is continuously compared to a reference signal to adjust actuator outputs.
Feedforward
A control strategy that anticipates and compensates for known disturbances or dynamics without relying solely on feedback.
Feedforward Control
Predictive control that compensates for known disturbances or dynamics before errors occur, often paired with feedback.
Fenceless Operation
Industrial robot operation without physical safety barriers, using sensors and software to ensure human safety (see Cobot).
FFR (Full Functional Redundancy)
A robot design with redundant systems so that failure of one component does not prevent continued safe operation.
Fiducial Marker
A visually distinctive marker placed in the environment for robot localization and camera calibration.
Field Robot
A robot designed for outdoor agricultural tasks, operating in unstructured and variable terrain.
Field Robotics
Robots operating in unstructured, natural environments such as agriculture, mining, forestry, and space.
Fillet
A rounded corner or edge on a robot component, reducing stress concentration and improving manufacturability.
Finite State Machine (FSM)
A computational model used in robot behavior programming where the robot transitions between a finite number of defined states.
Firmware
Low-level software embedded in robot hardware components (motors, sensors, controllers) that directly manages device operations.
Fixture
A device that holds a workpiece in a precise and repeatable position during robotic manufacturing operations.
Flight Controller
The onboard computer system managing the sensors, motors, and navigation of a drone or aerial robot.
Flipper
An auxiliary tracked appendage on tracked robots used to climb obstacles, improve stability, or self-right after a flip.
Follower Robot
In leader-follower architectures, a robot that copies or follows the motions or commands of a leader robot or human operator.
Force Control
A control strategy where a robot regulates the contact forces between its end-effector and the environment, critical for polishing, assembly, and surgery.
Force/Torque Sensor
Measures applied forces and moments at the wrist or end effector, enabling compliant manipulation and assembly tasks.
Forward Kinematics (FK)
The calculation of a robot’s end-effector position and orientation from its known joint positions using transformation matrices.
Framework (Robotics)
A software platform providing reusable tools and libraries for robot development, such as ROS, ROS 2, YARP, or Orocos.
Friction
The resistive force opposing relative motion between surfaces in contact, affecting robot joint performance and requiring compensation in control.
Friction Compensation
Techniques in robot control that estimate and counteract friction forces to improve motion accuracy and smoothness.
Functional Safety
The absence of unreasonable risk due to hazards caused by malfunctioning electrical/electronic systems.
Fused Deposition Modeling (FDM)
A 3D printing technology frequently used in robotics for prototyping parts, jigs, and custom end-effectors.