A Bang-bang robot is a

robot A robot is a machine—especially one programmable by a computer—capable of carrying out a complex series of actions automatically. A robot can be guided by an external control device, or the control may be embedded within. Robots may ...

in which the

motion In physics, motion is the phenomenon in which an object changes its position with respect to time. Motion is mathematically described in terms of displacement, distance, velocity, acceleration, speed and frame of reference to an observer and m ...

of its parts is stopped by driving the moveable and extendible parts on each axis, or

degree of freedom Degrees of freedom (often abbreviated df or DOF) refers to the number of independent variables or parameters of a thermodynamic system. In various scientific fields, the word "freedom" is used to describe the limits to which physical movement or ...

, against a stopping device. These stopping devices can be simple lugs on an arm, hydraulic or air valves in the control lines, or actuators which stop the movements at their full extent and at their returning position. These types of robot have "little or no trajectory control" over the movement of their parts from the starting points to the stopping points. Similar types of robot are also called fixed-stop robots.

References

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