✍ Scribed by Alena Halousková; Miroslav Kárný; Ivan Nagy
No coin nor oath required. For personal study only.
The initial setting and maintaining of the desired paper basis weight (in machine direction and cross direction) is to be ensured adaptively for several given paper grades.
Technical equipment includes: usual traversing gauge at the output of the paper machine, special traversing robot for shaping the headbox lip (sequential setting of screws), control computer.
Adaptive multivariate LQG control with recursive identification generalized to distributed parameter system has been designed with the following features: integral (convolution type) model of the process respecting the continuous nature of all signals and kernels involved (by means of spline approximation), repetitive control synthesis (via Riccati equation with periodical solutions).
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Adaptive control of peak cutting force of a milling system with saturation nonlinearities is addressed. It is shown theoretically and demonstrated through experimental results that, while most adaptive control methodologies in the literature may not be applicable for such a system due to the presenc
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