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Combination of the actuator and the it mechanically actuates ( Figure S 82 ) (DIN 19 226). Starting with an from the control device, the final controlling device intervenes in a mass flow and/or an en

Error in the of a which is below the response threshold of the continuously adjustable valve . Normally, less than 5% of the valve current is needed to bring the speed of a closed circuit position con

Element in a in which the signal of the correcting variable is formed at the output from the controller output signal at the input This is used to modulate the subsequent . The regulator is omitted if

Combination of the regulator and control element ( Figure S 81 ). In hydraulic and open loop control systems it comprises the including the (piloting) valve .

In general : Summarises the type and scope of the effect of disturbance variables and describes their influence on the system. Interference response of a controlled subsystem : Transfer function of th

Entry point of a variable not influenced by the system on the action path, which disturbs the state required according to the task ( Disturbance variable ) (DIN 19 226).

Disturbance variables in controls and are all external variables which impair the intended influences in a control or feedback control (DIN 19 226).

Process to minimise the influence of interference in The correcting variable is subjected to a disturbance variable which compensates for interference present in the controlled subsystem by estimating

Ability of the devices and switching elements of a control to resist hindrance to its function by interfering signals.

Range within which the disturbance variable can lie, without jeopardising the functionality of the control or (DIN 19 226).