This book discusses the parametric modeling, performance evaluation, design optimization and comparative study of the high-speed, parallel pick-and-place robots. It collects the modeling methodology, evaluation criteria and design guidelines for parallel PnP robots to provide a systematic analysis method for robotic developers. Furthermore, it gathers the research results previously scattered in many prestigious international journals and conference proceedings and methodically edits them and presents them in a unified form. The book is of interest to researchers, R&D engineers and graduate students in industrial parallel robotics who wish to learn the core principles, methods, algorithms, and applications.
This book focuses on the topology theory of mechanisms developed by the authors and provides a systematic method for the topology design of robot mechanisms. The main original theoretical contributions of this book include: A. Three basic concepts · The “geometrical constraint type of axes” is introduced as the third element of the topological structure of a mechanism. When it is combined with the other two elements, the kinematic pair and the connection of links, the symbolic expression of the topological structure is independent of the motion positions (except for the singularity positions) and the fixed coordinate system (Chapter 2). · The position and orientation characteristic (POC) set is used to describe the POC of the relative motion between any two links. The POC set, derived from the unit vector set of the velocity of a link, is only depend on the topological structure of a mechanism. Therefore, it is also independent of the motion positions and the fixed coordinate system (Chapter 3). · The single open chain (SOC) unit is the base unit of the topological structure used to develop the four basic equations of the mechanism topology (Chapters 2, 4–6). B. The mechanism composition principle based on the SOC units This book proposes a mechanism composition principle, based on the SOC units, to establish a systematic theory for the unified modeling of the topology, kinematics, and dynamics of mechanisms based on the SOC units (Chapter 7). C. Four basic equations • The POC equation of serial mechanisms with 10 symbolic operation rules (Chapter 4). • The POC equation of parallel mechanisms with 14 symbolic operation rules (Chapter 5). • The general DOF formula for spatial mechanisms (Chapter 6). • The coupling degree formula for the Assur kinematic chain (Chapter 7). D. One systematic method for the topology design of robot mechanisms (Chapters 8–10) Based on the three basic concepts and the four basic equations addressed above, this book puts forward a systematic method for the topology design of parallel mechanisms, which is fundamentally different from all existing methods. Its main characteristics are as follows: • The design process includes two stages: the first is structure synthesis, which derives many structure types; the second involves the performance analysis, classification and optimization of structure types derived from the first stage. • The design operation is independent of the motion positions and the fixed coordinate system. Therefore, the proposed method is essentially a geometrical method, which ensures the full-cycle DOF and the generality of geometric conditions of mechanism existence. • Each individual design step follows an explicit formula or the guidelines for design criteria, making the operation simple, feasible and reproducible. In addition, the topology design of the SCARA PMs is studied in detail to demonstrate the proposed method (Chapter 10).
Zusammenfassung: This textbook examines how service firms manage their international operations. For the first time, it brings together insights from the fragmented literature on this subject into an accessible textbook. Further, it is unique in its focus on service firms' internationalization and international management. Beginning with an overview of the international environment in which service firms operate, it subsequently describes multinational service firms and their internationalization processes, strategies and organization. Unlike most texts on international services, the book goes beyond internationalization to address the ongoing management of service firms. It not only addresses functions such as global service marketing, financial management and human resource management, but also discusses aspects such as global account management, global service delivery and international project management, as well as the topical issue of managing distributed virtual teams. A dedicated chapter focuses on offshore shared services and business process outsourcing. These chapters are complemented by a discussion on international corporate governance and corporate social responsibility. The book is intended for students preparing for international careers in the service sector. Each chapter includes case studies, illustrations, highlighted definitions, a chapter summary and exercises
This book offers a comprehensive, easy-to-understand overview of receding-horizon control for nonlinear networks. It presents novel general strategies that can simultaneously handle general nonlinear dynamics, system constraints, and disturbances arising in networked and large-scale systems and which can be widely applied. These receding-horizon-control-based strategies can achieve sub-optimal control performance while ensuring closed-loop stability: a feature attractive to engineers. The authors address the problems of networked and distributed control step-by-step, gradually increasing the level of challenge presented. The book first introduces the state-feedback control problems of nonlinear networked systems and then studies output feedback control problems. For large-scale nonlinear systems, disturbance is considered first, then communication delay separately, and lastly the simultaneous combination of delays and disturbances. Each chapter of this easy-to-follow book not only proposes and analyzes novel control algorithms and/or strategies, but also rigorously develops provably correct design conditions. It also provides concise, illustrative examples to demonstrate the implementation procedure, making it invaluable both for academic researchers and engineering practitioners.
Written by Chinese authors who having both successfully completed Masters degrees and PhDs and become lecturers at UK universities, are equipped to provide Chinese students with straightforward guidance to help overcome the cultural and language difficulties they are confronted with, and to support them in their undertaking of the research methods section of their dissertations. The book comprehensively covers both the theory and practice and includes a number of features to support learning including: Chinese translations of key concepts and definitions Tips about how to use different methods in the Chinese context Clear definitions of key terms Short illustrative examples A list of useful resources about Chinese research The book also features examples of Chinese research from the authors’ own work and from top journals to illustrate how the methods can be applied in the Chinese context. Suitable reading for undergraduate and postgraduate students across all business and management disciplines.
Zusammenfassung: This textbook examines how service firms manage their international operations. For the first time, it brings together insights from the fragmented literature on this subject into an accessible textbook. Further, it is unique in its focus on service firms' internationalization and international management. Beginning with an overview of the international environment in which service firms operate, it subsequently describes multinational service firms and their internationalization processes, strategies and organization. Unlike most texts on international services, the book goes beyond internationalization to address the ongoing management of service firms. It not only addresses functions such as global service marketing, financial management and human resource management, but also discusses aspects such as global account management, global service delivery and international project management, as well as the topical issue of managing distributed virtual teams. A dedicated chapter focuses on offshore shared services and business process outsourcing. These chapters are complemented by a discussion on international corporate governance and corporate social responsibility. The book is intended for students preparing for international careers in the service sector. Each chapter includes case studies, illustrations, highlighted definitions, a chapter summary and exercises
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