Kategoria BISAC: Technology & Engineering >> Mechanical

New developments in the applications of fracture mechanics to engineering problems have taken place in the last years. Composite materials have extensively been used in engineering problems. Quasi-brittle materials including concrete, cement pastes, rock, soil, etc. all benefit from these developments. Layered materials and especially thin film/substrate systems are becoming important in small volume systems used in micro and nanoelectromechancial systems (MEMS and NEMS). Nanostructured materials are being introduced in our every day life. In all these problems fracture mechanics plays a...

Here is a systematic and clearly laid out text on structural and continuum mechanics. Containing hundreds of diagrams, drawings and examples, this work dovetails theoretical developments and figures in a beautifully conceived treatment of the subject. The book also covers stresses and strains in simple elements subjected to extension, bending, shear and torsion. For elementary structures, simple load displacements are obtained using both classical mathematics descriptions and engineering methods like Williot diagrams.

Low-Power Low-Voltage Sigma-Delta Modulators in Nanometer CMOS addresses the low-power low-voltage Sigma-Delta ADC design in nanometer CMOS technologies at both the circuit-level and the system level.

The low-power low-voltage Sigma-Delta modulator design at the circuit level is introduced. A design example is presented in this book. This design is the first published Sigma-Delta design in a 90-nm CMOS technology and reaches a very high figure-of-merit.

At the system level, a novel systematic study on the full feedforward Sigma-Delta topology is presented in...

J.D. Eshelby's work has shaped the fields of defect mechanics and micromechanics of inhomogeneous solids in the last fifty years and provides the basis for the quantitative analysis of the controlling mechanisms of plastic deformation and fracture. Bringing fundamental concepts from physics into the analysis of the micromechanisms of deformation in solids, including the interaction of lattice defects and cracks, microcracks, with other defects, inhomogeneities etc., Eshelby provided the conceptual framework for the fundamental physical understanding and the corresponding analytical...

The editors and authors present a wealth of knowledge regarding the most relevant aspects in the field of MOS transistor modeling.

The variety of subjects and the high quality of content of this volume make it a reference document for researchers and users of MOSFET devices and models. The book can be recommended to everyone who is involved in compact model developments, numerical TCAD modeling, parameter extraction, space-level simulation or model standardization. The book will appeal equally to PhD students who want to understand the ins and outs of MOSFETs as well as to modeling...

Sustainable solutions require the integration of social and ecological aspects in every planning and decision-making process. This book explains the most important principles and elements of Systems Engineering and three planning cases demonstrate the practical application. It provides an understandable guide with questions and recommendations, and offers a clear structure of the problem solving process.

This is the first book of robotics presenting solutions of uncoupled and fully-isotropic parallel robotic manipulators and a method for their structural synthesis. Part 1 presents the methodology proposed for structural synthesis. Part 2 presents the various topologies of parallel robots generated by this systematic approach. Many solutions are presented here for the first time. The book will contribute to a widespread implementation of these solutions in industrial products.

Oscillation-Based Test in Mixed-Signal Circuits presents the development and experimental validation of the structural test strategy called Oscillation-Based Test OBT in short. The results here presented allow to assert, not only from a theoretical point of view, but also based on a wide experimental support, that OBT is an efficient defect-oriented test solution, complementing the existing functional test techniques for mixed-signal circuits.

Electrical drives consist of a number of components, the electrical machine, converter and controller, all of which are discussed at various levels. A brief resume of magnetic and electrical circuit principles is given in chapter 1 together with a set of generic building modules which are used throughout this book to represent dynamic models. Chapter 2 is designed to familiarize the reader with the process of building a dynamic model of a coil with the aid of generic modules. This part of the text also contains an introduction on phasors as required for steady state analysis. The approach...