to use such concepts for the control of anaesthetic drug delivery. With respect to these topics the current proceedings have simultaneously both a broadened and a narrowed perspective. It is broadened in so far as the topics of the workshop did not focus exclusively on anaesthetic drugs and the control of their delivery, but did also discuss anaesthesia machine monitoring and patients therapeutic monitoring as well as control of blood pressure and artificial ventilation. The proceedings have nar­ rowed the perspective insofar as they do not intensively discuss the processes of quantitation and modelling but presuppose them and give more room to control, especially automated control. During the past 10 years informatics has tremendously expanded its knowledge and methods applicable to control problems.