Regelungstechnik für Ingenieure

Abstract

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Friction Optimized Adhesion Control of a Wheel-Driven Wall-Climbing Robot

“…Below, the 3-position sealing pressure controller is located which uses the two lightweighted solenoid switching valves for inflating (connected to the supply pressure) and deflating the sealing (connected to the ambient air). The controller uses hysteresis followed by an integral element as described in 8 which enables the regulation of sealing pressure in the two directions. A pi behavior can be achieved by adding a retarding feedback if it is followed by an I-element.…”

Continuous screening system for inhibited enzyme catalysis: A membrane reactor approach

“…Therefore, the system response was initially approximated with PT 1 T 0 and PT n models. Different settings according to Ziegler and Nichols [37], Kuhn [38], Chien et al [39] and Schwarze [40] were then assessed with respect to their disturbance reaction. Figure 4 shows an example of this procedure for Kuhn [38] settings.…”

“…However, when disturbances were introduced, the fluctuations and the time required to attain the set values were minimised when PI settings were used. After the comparison of different PI settings according to Ziegler and Nichols [37], Kuhn [38], Chien et al [39] and Schwarze [40], the settings according to Kuhn [38] were found to be the best in terms of their disturbance behaviour and set value behaviour. For all following experiments these settings were used.…”