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This paper presents the design of tracking controllers for piecewise linear systems, with application to sheet control in a printer paper path. The approach that we will take is based upon an error space approach, which is derived from linear systems theory. We will show that due to the discontinuity in the piecewise linear system, the resulting model in error space consists of both flow conditions,...
To overcome fundamental limitations of linear controllers, reset controllers were proposed in literature. Since the closed loop system including such a reset controller is of a hybrid nature, it is difficult to determine its performance. The focus in this paper is to determine the performance of a SISO reset control system in H2 sense. The method is generally applicable in the sense that it is valid...
This paper presents a control design approach for sheet control in a printer paper path. By splitting up the control problem in two levels, i.e. low level motor control loops and a high level sheet control loop, a hierarchical control structure is obtained. The high level sheet dynamics are formulated in the piecewise linear modeling formalism. Given this model, together with models of the controlled...
In this paper an approach towards sheet control in a printer paper path is presented. To make the control problem feasible, the complex overall control question is formulated in a hierarchical control set-up with a low level motor control part and a high level sheet control part. To understand the essence of the sheet control problem we consider a basic paper path in which industrial constraints and...
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