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A survey that points out research issues and open problems in the area of integrated control and real-time scheduling. Issues that are discussed include temporal robustness, schedulability margin, optimal and direct feedback scheduling, quality-of-control, and tools.
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Whether and how innovation activity is dependent upon economic factors has been discussed extensively. Most empirical studies on the subject have either used patent data as a proxy for innovation, or been conducted at an aggregate level. Using a new database on Swedish product innovations (Swinno) this paper examines in what way patterns of innovation activity varied across and within manufacturin
This article analyses and discusses the world view and the theology of Hans-Erik Lindström, author of several pilgrimage books and the founder of the Pilgrim’s Centre in Vadstena. Lindström’s pilgrimage theology is based upon seven keywords: slowness, freedom, simplicity, silence, light-heartedness, sharing and spirituality. These are assumed to be the pilgrim’s longings that can not be found in t
The interest in modelling, analysis and optimisation of supply chain structures has increased in the last decade. Among the reasons are globalisation, a general speed-up of the rate of change in the business environment, the trend towards more outsourcing of activities, and the rapid development in IT. This development has caused more and more people to realise the benefits of supply chain managem
Abstract—The thorough analysis and the design of a complete 2.2 GHz quadrature receiver front-end suited for low-power applications is reported in this work. The circuit, built in a 90nm CMOS process, features a stacked single-ended low-noise amplifier and a self-oscillating mixer. The oscillator LC tank is designed to provide gain at low frequency without decreasing the quality factor at the osci
Implementation aspects of self-tuning regulators are discussed in the paper. There is a large discrepancy between simulation or academic algorithms and practical algorithms. In the idealized environment of simulations it is easy to get different types of adaptive algorithms to perform well. In practice the situation is quite opposite. The adaptive or self-tuning controller must be able to handle n
