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This book presents theoretical and practical findings on the state estimation, diagnosis and control of complex systems, especially in the mathematical form of descriptor systems. The research is fully motivated by real-world applications (i.e., Barcelona’s water distribution network), which require control systems capable of taking into account their specific features and the limits of operations in the presence of uncertainties stemming from modeling errors and component malfunctions. Accordingly, the book first introduces a complete set-based framework for explicitly describing the effects of uncertainties in the descriptor systems discussed. In turn, this set-based framework is used for state estimation and diagnosis. The book also presents a number of application results on economic model predictive control from actual water distribution networks and smart grids. Moreover, the book introduces a fault-tolerant control strategy based on virtual actuators and sensors for such systems in the descriptor form. .
Control engineering. --- Computational complexity. --- Energy systems. --- Control and Systems Theory. --- Complexity. --- Energy Systems. --- Complexity, Computational --- Electronic data processing --- Machine theory --- Control engineering --- Control equipment --- Control theory --- Engineering instruments --- Automation --- Programmable controllers --- Automatic control --- Observers (Control theory) --- Mathematics. --- Observability (Control theory) --- State estimator (Control theory) --- State observer (Control theory) --- Observers (Control theory).
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This book presents theoretical and practical findings on the state estimation, diagnosis and control of complex systems, especially in the mathematical form of descriptor systems. The research is fully motivated by real-world applications (i.e., Barcelona's water distribution network), which require control systems capable of taking into account their specific features and the limits of operations in the presence of uncertainties stemming from modeling errors and component malfunctions. Accordingly, the book first introduces a complete set-based framework for explicitly describing the effects of uncertainties in the descriptor systems discussed. In turn, this set-based framework is used for state estimation and diagnosis. The book also presents a number of application results on economic model predictive control from actual water distribution networks and smart grids. Moreover, the book introduces a fault-tolerant control strategy based on virtual actuators and sensors for such systems in the descriptor form. .
Mathematics --- Classical mechanics. Field theory --- Electromagnetism. Ferromagnetism --- Electrical engineering --- automatisering --- elektriciteit --- dynamica --- automatische regeltechniek
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Mathematics --- Classical mechanics. Field theory --- Electromagnetism. Ferromagnetism --- Electrical engineering --- automatisering --- elektriciteit --- dynamica --- automatische regeltechniek
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Comprehension --- Developmentally disabled children --- Special education
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"Book presents the educational implications for deaf and hard of hearing children and offers reason-based practices for improving their English language and literacy development"-- "The difficulty that deaf and hard of hearing students have in attaining language and literacy skills has led to postulations that attribute their struggle to a developmental deficit. Recent research reveals, however, that deaf students acquire language structures, produce errors, and employ strategies in the same fashion as younger hearing students, though at later ages. The ability of all students to learn language and literacy skills in a similar manner at different stages forms the foundation of the Qualitative Similarity Hypothesis (QSH). This volume describes the theoretical underpinnings and research findings of the QSH. It presents the educational implications for deaf and hard of hearing children and offers reason-based practices for improving their English language and literacy development. This collection also stresses the critical importance of exposing educators to the larger fields of literacy and second-language learning. Providing this background information expands the possibility of differentiating instruction to meet the needs of deaf students. Deaf Students and the Qualitative Similarity Hypothesis includes commentary on the QSH for both first- and second-language English learners and reflects on how the QSH can effect a better future for all language students. "--
SOCIAL SCIENCE / General. --- EDUCATION / Teaching Methods & Materials / General. --- EDUCATION / Educational Policy & Reform / General. --- English language --- Hearing impaired --- Deaf children --- Hard-of-hearing --- Hearing disorders --- Partial hearing --- Partially hearing --- People with disabilities --- Children, Deaf --- Deafness in children --- Hearing impaired children --- Study and teaching. --- Education --- Language. --- Patients --- taal --- dove studenten --- Language --- Study and teaching --- English language Study and teaching --- Heard of hearing children
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While there has been much discussion about recent investigations of foreign influence in research, very little work has quantified how these investigations have affected the productivity of U.S. scientists. We uncover evidence of adverse effects on U.S. scientists with collaborators in China using publication data from PubMed and Dimensions during 2010-2021. By studying the publication records of over 113,000 scientists during 2015-2021, we find that the investigations coincide with a decline in the productivity of scientists with previous collaborations with scientists in China in comparison to scientists with international collaborators outside of China, especially when the impact of publications (proxied by citations) is considered. The decline is particularly salient for fields with more pre-investigation NIH funding and U.S.-China collaborations. Our findings suggest that scientific research may be very sensitive to political tensions, and we further explore these mechanisms with qualitative interviews with scientists.
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