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In control theory, Ackermann's formula is a control system design method for solving the pole allocation problem for invariant-time systems by Jürgen Ackermann. [1] One of the primary problems in control system design is the creation of controllers that will change the dynamics of a system by changing the eigenvalues of the matrix representing the dynamics of the closed-loop system. [2]
The Ackermann function, due to its definition in terms of extremely deep recursion, can be used as a benchmark of a compiler's ability to optimize recursion. The first published use of Ackermann's function in this way was in 1970 by Dragoș Vaida [27] and, almost simultaneously, in 1971, by Yngve Sundblad. [14]
Ackermann geometry. The Ackermann steering geometry (also called Ackermann's steering trapezium) [1] is a geometric arrangement of linkages in the steering of a car or other vehicle designed to solve the problem of wheels on the inside and outside of a turn needing to trace out circles of different radii.
A specific application of the matched Z-transform method in the digital control field is with the Ackermann's formula, which changes the poles of the controllable system; in general from an unstable (or nearby) location to a stable location.
Ackermann's formula; Active disturbance rejection control; Adaptive control; Advanced process control; Affect control theory; American Automatic Control Council; Andronov Prize; Anticausal system; Artstein's theorem; Asymptotic gain model; State-transition equation
Full state feedback (FSF), or pole placement, is a method employed in feedback control system theory to place the closed-loop poles of a plant in predetermined locations in the s-plane. [1]
Ackermann's formula, in control engineering Der Ackermann aus Böhmen , or "The Ploughman from Bohemia", a work of poetry in Early New High German by Johannes von Tepl, written around 1401 Ackermannviridae , virus family named in honor of H.-W. Ackermann
Ackermann's formula; Active redundancy; Active structure; Allowable Strength Design; Allowance (engineering) Angle of list; Angle of loll; Angle of repose; AutoTrack; Axiomatic design; Axiomatic product development lifecycle