This book provides an alternative agenda to deepening the understanding of the River Chief System as a distinctive responsibility approach to solve water pollution and associated governance dilemmas. Insightful analysis is performed through in-depth studies of the origins of China’s River Chief System, responsibility mechanisms, governmental and civil river chiefs, formal and informal water governing institutions, public participation, empowerment with accountability, and the environmental impact.
This book discusses an important area of numerical optimization, called interior-point method. This topic has been popular since the 1980s when people gradually realized that all simplex algorithms were not convergent in polynomial time and many interior-point algorithms could be proved to converge in polynomial time. However, for a long time, there was a noticeable gap between theoretical polynomial bounds of the interior-point algorithms and efficiency of these algorithms. Strategies that were important to the computational efficiency became barriers in the proof of good polynomial bounds. The more the strategies were used in algorithms, the worse the polynomial bounds became. To further exacerbate the problem, Mehrotra's predictor-corrector (MPC) algorithm (the most popular and efficient interior-point algorithm until recently) uses all good strategies and fails to prove the convergence. Therefore, MPC does not have polynomiality, a critical issue with the simplex method. This book discusses recent developments that resolves the dilemma. It has three major parts. The first, including Chapters 1, 2, 3, and 4, presents some of the most important algorithms during the development of the interior-point method around the 1990s, most of them are widely known. The main purpose of this part is to explain the dilemma described above by analyzing these algorithms' polynomial bounds and summarizing the computational experience associated with them. The second part, including Chapters 5, 6, 7, and 8, describes how to solve the dilemma step-by-step using arc-search techniques. At the end of this part, a very efficient algorithm with the lowest polynomial bound is presented. The last part, including Chapters 9, 10, 11, and 12, extends arc-search techniques to some more general problems, such as convex quadratic programming, linear complementarity problem, and semi-definite programming.
This book provides an alternative agenda to deepening the understanding of the River Chief System as a distinctive responsibility approach to solve water pollution and associated governance dilemmas. Insightful analysis is performed through in-depth studies of the origins of China’s River Chief System, responsibility mechanisms, governmental and civil river chiefs, formal and informal water governing institutions, public participation, empowerment with accountability, and the environmental impact.
This book discusses an important area of numerical optimization, called interior-point method. This topic has been popular since the 1980s when people gradually realized that all simplex algorithms were not convergent in polynomial time and many interior-point algorithms could be proved to converge in polynomial time. However, for a long time, there was a noticeable gap between theoretical polynomial bounds of the interior-point algorithms and efficiency of these algorithms. Strategies that were important to the computational efficiency became barriers in the proof of good polynomial bounds. The more the strategies were used in algorithms, the worse the polynomial bounds became. To further exacerbate the problem, Mehrotra's predictor-corrector (MPC) algorithm (the most popular and efficient interior-point algorithm until recently) uses all good strategies and fails to prove the convergence. Therefore, MPC does not have polynomiality, a critical issue with the simplex method. This book discusses recent developments that resolves the dilemma. It has three major parts. The first, including Chapters 1, 2, 3, and 4, presents some of the most important algorithms during the development of the interior-point method around the 1990s, most of them are widely known. The main purpose of this part is to explain the dilemma described above by analyzing these algorithms' polynomial bounds and summarizing the computational experience associated with them. The second part, including Chapters 5, 6, 7, and 8, describes how to solve the dilemma step-by-step using arc-search techniques. At the end of this part, a very efficient algorithm with the lowest polynomial bound is presented. The last part, including Chapters 9, 10, 11, and 12, extends arc-search techniques to some more general problems, such as convex quadratic programming, linear complementarity problem, and semi-definite programming.
This book discusses all spacecraft attitude control-related topics: spacecraft (including attitude measurements, actuator, and disturbance torques), modeling, spacecraft attitude determination and estimation, and spacecraft attitude controls. Unlike other books addressing these topics, this book focuses on quaternion-based methods because of its many merits. The book lays a brief, but necessary background on rotation sequence representations and frequently used reference frames that form the foundation of spacecraft attitude description. It then discusses the fundamentals of attitude determination using vector measurements, various efficient (including very recently developed) attitude determination algorithms, and the instruments and methods of popular vector measurements. With available attitude measurements, attitude control designs for inertial point and nadir pointing are presented in terms of required torques which are independent of actuators in use. Given the required control torques, some actuators are not able to generate the accurate control torques, therefore, spacecraft attitude control design methods with achievable torques for these actuators (for example, magnetic torque bars and control moment gyros) are provided. Some rigorous controllability results are provided. The book also includes attitude control in some special maneuvers, such as orbital-raising, docking and rendezvous, that are normally not discussed in similar books. Almost all design methods are based on state-spaced modern control approaches, such as linear quadratic optimal control, robust pole assignment control, model predictive control, and gain scheduling control. Applications of these methods to spacecraft attitude control problems are provided. Appendices are provided for readers who are not familiar with these topics.
This book provides an alternative agenda to deepen understanding of grassroots governance and interaction in Taiwan. Through to the Taiwan Local Council origin, the judicature, the finance, the political party, the election behavior, the political participation, the government and the local government relations, and so on have carried on the more thorough research. It not only attracts students' interest, but also deserves a broader readership, especially for any course on Taiwan politics, Chinese politics, and East Asian politics.
Semiconductor Microchips and Fabrication Advanced and highly illustrated guide to semiconductor manufacturing from an experienced industry insider Semiconductor Microchips and Fabrication is a practical yet advanced book on the theory, design, and manufacturing of semiconductor microchips that describes the process using the principles of physics and chemistry, fills in the knowledge gaps for professionals and students who need to know how manufacturing equipment works, and provides valuable suggestions and solutions to many problems that students or engineers often encounter in semiconductor processing, including useful experiment results to help in process work. The explanation of the semiconductor manufacturing process, and the equipment needed, is carried out based on the machines that are used in clean rooms over the world so readers understand how they can use the equipment to achieve their design and manufacturing ambitions. Combining theory with practice, all descriptions are carried out around the actual equipment and processes by way of a highly visual text, with illustrations including equipment pictures, manufacturing process schematics, and structures of semiconductor microchips. Sample topics covered in Semiconductor Microchips and Fabrication include: An introduction to basic concepts, such as impedance mismatch from plasma machines and theories, such as energy bands and Clausius-Clapeyron equation Basic knowledge used in semiconductor devices and manufacturing machines, including DC and AC circuits, electric fields, magnetic fields, resonant cavity, and the components used in the devices and machines Transistor and integrated circuits, including bipolar transistors, junction field effect transistors, and metal-semiconductor field effect transistors The main processes used in the manufacturing of microchips, including lithography, metallization, reactive-ion etching (RIE), plasma-enhanced chemical vapor deposition (PECVD), thermal oxidation and implantation, and more The skills in the design and problem solving of processes, such as how to design a dry etching recipe, and how to solve the micro-grass problems in Bosch process Through Semiconductor Microchips and Fabrication, readers can obtain the fundamental knowledge and skills of semiconductor manufacturing, which will help them better understand and use semiconductor technology to improve their product quality or project research. Before approaching this text, readers should have basic knowledge of physics, chemistry, and circuitry.
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