… on Wittenmark and Astr6m (1982), is to give some reflections on the state of the art and
experiences from practical work on adaptive control. … P(k) will thus grow exponentially until ~b …

… The system becomes unstable as soon as k . comes outside the interval (0… Astr�m (1980a,b).
The point of view that many adaptive system can be regarded as a cornbination of a control …

… The parameters are the PID parameter (k, T, T, b and N) and … has been proposed by �str�m
and H�gglund (1984). It was … control algorithms are discussed in Astr�m and Wittenmark (…

… Another point that we emphasize is the usefulness of a digital computer in other than
pure control tasks. Inclusion of design calculations in the regulator code is a typical example. …

… The number of articles on adaptive systems seems to grow exponentially. The advent of …
control systems (DACS) which are the chief subject of most literature on adaptive systems …

… K J Astrom and … that such an approach will often work well if we can sample fast but also
that we can do better by learning more about digital control, see Astrbm and Wittenmark (1984). …

… Adaptive control is now finding its way into the marketplace … to design adaptive control
systems. It covers early ideas … that the parameter b may be absorbed in the adaptation gain k. …

… The self-oscilllating adaptive controller, which is described in [21], was tested extensively
for flight control systems and it is used in several missiles. The system inspired the …

… an nth order continuous time system with a time delay that is … system of this form, Astrom
and Wittenmark (1984). If the delay is a multiple of the sampling interval then the degree of the B…

… (1985) and Astrom's and Wittenrnark's polynomial approach (1984) have … B is divided into
two parts B = B - B+, where B+ is monic having all its zeroes strictly inside the unit circle and B- …