deadband

noun — 3 senses

deadband

noun

Etymology dead + band

1

The range through which an input can be varied without initiating an observable response. Deadband is usually expressed in percent of span.

  • The thermostat was errantly set with a deadband from 18°C to 27°C, causing the air conditioner to not turn on below 27°C, and the heater to not come on above 18°C.
2

Mathematics, Sciences, Systems theory In the domain of a transfer function, the band of input values where the output is zero. "(the output is 'dead' - no action occurs)"

  • The game will not respond to small movements of the joystick, until the stick is pushed out of its dead zone.
3

Engineering, Mechanical, Mechanical engineering, Natural sciences, Physical sciences Backlash in a mechanical system.

  • The steering system has so much backlash that it takes a full rotation of the wheel to exit its deadband and affect the steering.
Related terms
chatter, hunting, hysteresis, nonlinearity, setpoint

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.