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Controller synthesis for nonlinear systems is considered with the following objective: No trajectory starting from a given set of initial states is allowed to enter into a given set of forbidden (unsafe) states. A methodology for safety verification using barrier certificates has recently been proposed. Here it is shown how a safe control law together with a corresponding barrier certificate can b
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F1 and F2 frequencies of the vowels /i/, /a/ and /u/ were measured in speech directed to an infant and to adults. The vowels were taken from content words as well as function words. The results showed that the vowel triangles in speech to the infant were expanded compared to those in speech to adults, but only in the content words. For function words, the opposite pattern was found: adults produce
In this paper, an automatic method for reducing chemical mechanisms during run time based on the quasi-steady-state assumption (ASSA) is presented. The method uses a lifetime analysis of the chemical species which can be set to steady state according to a ranking procedure. Steady-state species concentrations are computed by algebraic rather than differential equations, thus yielding a significant
This document deals with the sustainability trends and the relevance of these trends to Thule AB. The purpose of this report is to advise THULE AB about the trends in sustainable development practices. This document is part of our work thesis for master’s degree in Sustainable Business Leadership Program, at Lund University, Sweden. The research was done with classmates Jorghe Cardozo, Bei Gao and
Climate change and scarcity of natural resources are the growing challenges for the present world. This results in a greater realization especially among the business communities to sustain the environment for future generation. The concept of sustainability is becoming a focal point for most of the companies. Organizations are more concerned about the ways to accomplish sustainability criteria bu
Fulltext är ej tillgänglig i elektronisk form. För lån/kopia av tryckt uppsats kontakta Medicinska fakultetens bibliotek, Lunds universitet
Fulltext är ej tillgänglig i elektronisk form. För lån/kopia av tryckt uppsats kontakta Medicinska fakultetens bibliotek, Lunds universitet
During recent years the question of sustainability and an increased focus on company’s responsibility have prevailed. From organizations, media, politicians and consumers the pressure on companies to act proactively in these issues are growing. Several different factors drive the development of a thought through corporate social responsibility (CSR) policy; reward from customers which may enhance
