SPACECRAFT RELIABILITY AND MULTI-STATE FAILURES ] SPACECRAFT RELIABILITY AND MULTI-STATE FAILURES A STATISTICAL APPROACH The aerospace community has long recognized and repeatedly emphasizes the importance of reliability for space systems. Despite this, little has been published in book form on the topic. Spacecraft Reliability and Multi-State Failures addresses this gap in the literature, offering a unique focus on spacecraft reliability based on extensive statistical analysis of system and subsystem anomalies and failures. The authors provide new results pertaining to spacecraft reliability based on extensive statistical analysis of on-orbit anomaly and failure data that will be particularly useful to spacecraft manufacturers and designers, for example in guiding satellite (and subsystem) test and screening programs and providing an empirical basis for subsystem redundancy and reliability growth plans. The authors develop nonparametric results and parametric models of spacecraft and spacecraft subsystem reliability and multi-state failures, quantify the relative contribution of each subsystem to the failure of the satellites thus identifying the subsystems that drive spacecraft unreliability, and propose advanced stochastic modeling and analysis tools for the reliability and survivability of spacecraft and space-based networks. Spacecraft Reliability and Multi-State Failures provides new nonparametric results pertaining to spacecraft reliability based on extensive statistical analysis of on-orbit anomaly and failure data develops parametric models of spacecraft and spacecraft subsystem reliability and multi-state failures quantifies the relative contribution of each subsystem to the failure of the satellites proposes advanced stochastic modeling and analysis tools for the reliability and survivability of spacecraft and space-based networks provides a dedicated treatment of the reliability and subsystem anomalies of communication spacecraft in geostationary orbit.
An issue in engineering design is a system's design lifetime. Economists study durability choice problems for consumer goods but seldom address lifetime problem(s) of complex engineering systems. The issues for engineering systems are complex and multidisciplinary and require an understanding of the 'technicalities of durability' and the economic implications of the marginal cost of durability and value maximization. Commonly the design lifetime for an infrastructure is set between 30 and 70 years. Satellite lifetimes are also assigned arbitrarily or with limited analysis. This book provides a systemic qualitative and quantitative approach to these problems addressing, first, the technicality of durability, second, the marginal cost of durability, and third, the durability choice problem for complex engineering systems with network externalities (competition and market uncertainty) and obsolescence effects (technology evolution). Since the analyses are system-specific, a satellite example is used to illustrate the essence and provide a quantitative application of said analyses.
Provides: over 26,000 academic institutions, 150,000 staff and officials; extensive coverage of universities, colleges and other centres of learning; and detailed information on over 400 international cultural, scientific and educational organizations.
The only gynecology textbook to combine a comprehensive medical reference and a full color surgical atlas in one beautifully illustrated volume A Doody's Core Title for 2017! Williams Gynecology, Third Edition is specifically designed as a practical quick-reference guide for practicing gynecologists and residents, but it will also appeal to clerkship medical students, nurse practitioners, and physician assistants. Williams Gynecology provides comprehensive coverage of the full spectrum of gynecologic healthcare and disease management, including benign general gynecology; reproductive endocrinology, infertility, and menopause; female pelvic medicine and reconstructive surgery; and gynecologic oncology. The surgical management sections include Aspects of Gynecologic Surgery and Atlas of Gynecologic Surgery, which covers Surgeries of Benign Gynecologic Conditions, Minimally Invasive Surgery, Surgeries for Female Pelvic Reconstruction, and Surgeries for Gynecologic Malignancies. Williams Gynecology, Third Edition is beautifully illustrated, with hundreds of original drawings for both the surgical atlas and medical reference portions. Each chapter follows a practical template for a consistent approach to diagnosis and treatment. With its extensive use of treatment algorithms, differential diagnosis boxes, and other elements, this book is also a reliable quick-reference. The third edition has been revised to keep up with new and expanded content on the latest topics, including minimally invasive procedures, benign gynecology, and the subspecialties of urogynecology, gynecologic oncology, and reproductive endocrinology. The authors are internationally known practitioners affiliated with Parkland Memorial Hospital/University of Texas Southwestern Medical Center at Dallas, Massachusetts General Hospital/Harvard Medical School, and the National Institutes for Health. Features • Two resources in one—full-color medical text and surgical atlas—conveniently surveys the entire spectrum of gynecologic disease, including general gynecology, reproductive endocrinology and infertility, urogynecology, and gynecologic oncology • Completely illustrated atlas of gynecologic surgery contains over 450 full color figures that illuminate operative techniques • Unique templated text design ensures a consistent approach to diagnosis and treatment • Strong procedure orientation covers a vast array of surgical operations, which are illustrated in detail • Evidence-based discussion of disease evaluation reinforces and supports the clinical relevance of the book’s diagnostic and treatment methods • Distinguished authorship team from the same Parkland Memorial Hospital ObGyn department responsible for Williams Obstetrics—the leading reference in obstetrics for more than a century • Heavily illustrated gynecologic anatomy chapter created with the surgeon in mind to emphasize critical anatomy for successful surgery • New artist drawings of minimally invasive procedures, urogynecology, and gynecologic oncology • Numerous illustrations, photographs, tables, and treatment algorithms
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