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Urban Revolution Now
This volume is the first to develop Lefebvre’s concepts in social research and architecture by focusing on urban conjunctures in Barcelona, Belgrade, Berlin, Budapest, Copenhagen, Dhaka, Hong Kong, London, New Orleans, Nowa Huta, Paris, Toronto, São Paulo, Sarajevo, as well as in Mexico and Switzerland. With contributions by historians and theorists of architecture and urbanism, geographers, sociologists, political and cultural scientists, Urban Revolution Now reveals the multiplicity of processes of urbanization and the variety of their patterns and actors around the globe.
Hearings
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The Swiss and the Nazis
The award-winning author of Target Switzerland uses “a wide breadth of research to attempt to answer why Switzerland escaped the Nazi onslaught” (Daly History Blog). While surrounded by the Axis powers in World War II, Switzerland remained democratic and, unlike most of Europe, never succumbed to the siren songs and threats of the Nazi goliath. This book tells the story with emphasis on two voices rarely heard. One voice is that of scores of Swiss who lived in those dark years, told through oral history. They mobilized to defend the country, labored on the farms, and helped refugees. The other voice is that of Nazi Intelligence, those who spied on the Swiss and planned subversion and inv...
Fault-Tolerant Control of Nondeterministic Input/Output Automata
This book presents novel methods of fault-tolerant control theory in a discrete-event system framework. Nondeterministic input/output automata are used to model nominal and faulty technological systems. The main contributions are the following: Control design method for discrete-event systems Fault modeling technique for actuator, sensor and system internal faults and failures Off-line and on-line control reconfiguration based on trajectory re-planning and input/output adaptation. Two small size running examples are used to explain the developed methods. Experiments on a manufacturing cell demonstrate the application of these methods in a realistic environment. The state of the art is provided on methods for modeling, supervisory control and fault-tolerant control of discrete-event systems.
Self-organizing control of networked systems
This thesis presents a novel distributed control paradigm for networked control systems in which the local control units of the subsystems exchange information, whenever this is necessary to fulfill an overall control aim. The local control units act in a self-organized way, which means that they adapt their communication structure depending on the current situation of the subsystems based on locally available information only. A new controller structure is proposed. The local control units are divided into three components fulfilling universal tasks to generate a situation-dependent communication structure: The feedback unit performs a local feedback by using local measurements to fulfill b...
Administered Prices
Examines the impact of administered prices in concentrated industries on the cost of living. Also compares market pricing mechanisms of agricultural industries with administered pricing practices of manufacturing industries.
Event-based state-feedback control of physically interconnected systems
Event-based control is a means to restrict the feedback in control loops to event time instants that are determined by a well-defined triggering mechanism. The aim of this control strategy is to adapt the communication over the feedback link to the system behavior. In this thesis, a state-feedback approach to event-based control is extended to systems that are composed of physically interconnected subsystems. The main concern of this thesis is disturbance rejection in interconnected systems, which is supposed to be best accomplished by a continuous state feedback. This consideration leads to the idea that the event-based state-feedback system should approximate the disturbance rejection beha...
Event-based State-feedback Control
Event-based control is a means to reduce the information exchange over the feedback link in networked control systems in order to avoid an overload of the digital network which generally degrades the performance of the overall control loop. This thesis presents a novel state-feedback approach to event-based control which allows approximating a continuous-time state-feedback loop with arbitrary precision while adapting the communication over the feedback link to the effect of unknown disturbances. The focus of this thesis lies in complementing the event-based state-feedback control by deriving new properties, proposing alternative methods for the analysis and improving the components of the closed-loop system. Moreover, suitable strategies are proposed to deal with imprecise information about the plant and imperfect communication links. The theoretical results are evaluated by simulations and experiments using a thermofluid process.
