The Role of Place in Literature.

Berthold, Dennis; Lutwack, Leonard

doi:10.2307/2926343

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B Models Of the System Component Parts1

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2010

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“…However, the filtering properties of the level measurement devices adopted in this kind of plants (such as the Berthold Mould Level Gauge LB 352 [10]) naturally attenuate this noise. Therefore, to account for the sensor dynamics, a low-pass filter is inserted in the feedback path of the control system block diagram of Figure 3; in the following simulations its cut-off frequency is assumed to be 20 rad/s.…”

Section: B Models Of the System Component Partsmentioning

confidence: 97%

Variable-structure control of casting processes

Krajewski

Miani

Viaro

2010

2010 15th International Conference on Methods and Models in Automation and Robotics

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The paper is concerned with the problem of regulating the molten metal level in the mold of a continuous casting plant despite the continual perturbations caused by mold shaking and the occasional perturbations due to the sudden uncloggings of the nozzle through which the liquid is poured into the mold. To deal with both kinds of perturbations, two distinct controllers are used and suitably activated depending on the operating conditions. It is demonstrated that a controller realization obtained from any time-varying convex combination of two switching-stable controller realizations ensures stability, too. Numerical simulations show that the adopted stability-preserving control policies compare favourably with alternative techniques suggested in the literature to the same purpose

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Section: B Models Of the System Component Partsmentioning

confidence: 97%