Multi-variate time-series for time constraint adherence prediction in complex job shops

One of the most complex and agile production environments is semiconductor manufacturing, especially wafer fabrication, as products require more than several hundred operations and remain in Work-In-Progress for months leading to complex job shops. Additionally, an increasingly competitive market environment, i.e. owing to Moore’s law, forces semiconductor companies to focus on operational excellence, resiliency and, hence, leads to product quality as a decisive factor. Product-specific time constraints comprising two or more, not necessarily consecutive, operations ensure product quality at an operational level and, thus, are an industry-specific challenge. Time constraint adherence is of utmost importance, since violations typically lead to scrapping entire lots and a deteriorating yield. Dispatching decisions that determine time constraint adherence are as a state of the art performed manually, which is stressful and error-prone. Therefore, this article presents a data-driven approach combining multi-variate time-series with centralized information to predict time constraint adherence probability in wafer fabrication to facilitate dispatching. Real-world data is analyzed and different statistical and machine learning models are evaluated

Data analytics for time constraint adherence prediction in a semiconductor manufacturing use-case

Semiconductor manufacturing represents a challenging industrial environments, where products require more than several hundred operations, each representing the technical state-of-the-art. Products vary greatly in volume, design and required production processes and, additionally, product portfolios and technologies change rapidly. Thus, technologically restricted rapid product development, stringent quality related clean room requirements and high precision manufacturing equipment application enforce operational excellence, in particular time constraints adherence. Product specific time constraints between two or more successive process operations are an industry-specific challenge, as violations lead to additional scrapping or reworking costs. Time constraint adherence is linked to dispatching and currently manually assessed. To overcome this error-prone manual task, this article presents a data-based decision process to predict time constraint adherence in semiconductor manufacturing. Real-world historical data is analyzed and appropriate statistical models and scoring functions derived. Compared to other relevant literature regarding time constraint violations, the central contribution of this article is the design, generation and validation of a model for product quality-related time constraint adherence based on a real-world semiconductor plant

Advances in Condition Monitoring, Optimization and Control for Complex Industrial Processes

The book documents 25 papers collected from the Special Issue “Advances in Condition Monitoring, Optimization and Control for Complex Industrial Processes”, highlighting recent research trends in complex industrial processes. The book aims to stimulate the research field and be of benefit to readers from both academic institutes and industrial sectors

Smart Sustainable Manufacturing Systems

With the advent of disruptive digital technologies, companies are facing unprecedented challenges and opportunities. Advanced manufacturing systems are of paramount importance in making key enabling technologies and new products more competitive, affordable, and accessible, as well as for fostering their economic and social impact. The manufacturing industry also serves as an innovator for sustainability since automation coupled with advanced manufacturing technologies have helped manufacturing practices transition into the circular economy. To that end, this Special Issue of the journal Applied Sciences, devoted to the broad field of Smart Sustainable Manufacturing Systems, explores recent research into the concepts, methods, tools, and applications for smart sustainable manufacturing, in order to advance and promote the development of modern and intelligent manufacturing systems. In light of the above, this Special Issue is a collection of the latest research on relevant topics and addresses the current challenging issues associated with the introduction of smart sustainable manufacturing systems. Various topics have been addressed in this Special Issue, which focuses on the design of sustainable production systems and factories; industrial big data analytics and cyberphysical systems; intelligent maintenance approaches and technologies for increased operating life of production systems; zero-defect manufacturing strategies, tools and methods towards online production management; and connected smart factories

Reliability and Maintenance

Amid a plethora of challenges, technological advances in science and engineering are inadvertently affecting an increased spectrum of today’s modern life. Yet for all supplied products and services provided, robustness of processes, methods, and techniques is regarded as a major player in promoting safety. This book on systems reliability, which equally includes maintenance-related policies, presents fundamental reliability concepts that are applied in a number of industrial cases. Furthermore, to alleviate potential cost and time-specific bottlenecks, software engineering and systems engineering incorporate approximation models, also referred to as meta-processes, or surrogate models to reproduce a predefined set of problems aimed at enhancing safety, while minimizing detrimental outcomes to society and the environment

Cumulative index to NASA Tech Briefs, 1986-1990, volumes 10-14

Tech Briefs are short announcements of new technology derived from the R&D activities of the National Aeronautics and Space Administration. These briefs emphasize information considered likely to be transferrable across industrial, regional, or disciplinary lines and are issued to encourage commercial application. This cumulative index of Tech Briefs contains abstracts and four indexes (subject, personal author, originating center, and Tech Brief number) and covers the period 1986 to 1990. The abstract section is organized by the following subject categories: electronic components and circuits, electronic systems, physical sciences, materials, computer programs, life sciences, mechanics, machinery, fabrication technology, and mathematics and information sciences

DEMSEE (2007: Istanbul)

It is true that Electricity is a pillar for our present Civilization and Culture. One should also recognize that Electricity is the finest useable form of Energy and therefore the most precious. Deregulation of Electricity Markets aims ultimately to make almost everyone responsible for the way electricity is generated, distributed and used. It aims to let fair market rules result in a Market Operation that will advance this sense of responsibility for everybody. This is particularly important in view of the present delicate state of the Environment which should for Humanity’s sake be preserved, at all costs. And indeed, we are lucky in the sense that the current Information Technologies and Information and Communication Technology will allow us to live up to our responsibilities concerning rational electricity usage as well as the preservation of the environment. However, a strong, wide and lasting commitment is necessary, i.e. political will by every nation, to achieve progress with respect of the environment. ...ELECTRIC POWER SUPPLY: THE ENGINEERING CHALLENGES AND THE CONTRIBUTION OF CIGRE / Jean KOWAL, 1 -- SUBSIDIES IN WHOLESALE ELECTRICITY MARKET / Osman SEVAİOĞLU, 8 -- GASEOUS DIELECTRICS IN POWER TRANSMISSION AND DISTRIBUTION / Loucas G. CHRISTOPHOROU, 13 -- INFRASTRUCTURE DEVELOPMENT AND POWER SYSTEM SECURITY ISSUES IN A LIBERALIZED ENVIRONMENT IN SOUTH-EASTERN EUROPE (SEE) -- Evangelos LEKATSAS, 20 / NATURAL HAZARDS, GLOBAL CLIMATE CHANGE AND ENERGY PRODUCTION -- Menas KAFATOS, 27 / EDUCATIONAL EXPERIMENT KIT STUDIES ON RENEWABLE ENERGY SOURCES -- Özcan ATLAM, 32 / AN EFFECTIVE SET OF I.C.T. TOOLS FOR TEACHING & LEARNING OF RENEWABLE ENERGY SYSTEMS (RES) -- S. KAPLANIS, E. KAPLANI, 41 / A GIS WEB – APPLICATION FOR POWER SYSTEM OF CRETE -- J. SYLLIGNAKIS, C. ADAMAKIS, T.M. PAPAZOGLOU, 48 / DIAGNOSTIC REVIEW OF A BLACKOUT IN RHODES -- T. M. PAPAZOGLOU, E.J. THALASSINAKIS, C. TSICHLAKIS, N.D. HATZIARGYRIOU, 55 / REAL-TIME TRANSFORMER DYNAMIC LOADING APPLICATION-IMPLEMENTATION AND PRACTICAL USE -- S. KRSTONIJEVIĆ, N. ČUKALEVSKI, G. JAKUPOVIĆ, N. DAMJANOVIĆ, S. CVETIĆANIN, 62 / A COMPARISON OF THE PERFORMANCE RATIO OF PHOTOVOLTAIC MODULES AT DIFFERENT TILT ANGLES -- E. DRAKAKIS, F. MAVROMATAKIS, Y. RANGHIADAKIS, P. TZANETAKIS and I. FRAGIADAKIS, 69 / ON THE MAXIMIZATION OF THE COST-EFFECTIVENESS OF A PV PLANT -- S. KAPLANIS, E. KAPLANI, 75 / INTEGRATED SOFTWARE, FOR IMPULSE VOLTAGES ESTIMATION, IN HIGH VOLTAGE NETWORKS WITH DISTRIBUTED GENERATION -- Stavros LAZAROU, Eleftheria PYRGIOTI, Dimosthenes AGORIS, 83 / NEW 400 kV INTERCONECTION OHL KOSOVO - ALBANIA AND TRANSMISSION NETWORK CONCEPT OF KOSOVO -- S. LIMARI1, K. BAKIC, K. ROBO, L. AHMA, 92 / DEREGULATED ELECTRICITY MARKET IN SOUTH – EASTERN EUROPE: ACTIVE NETWORKS -- Venizelos EFTHYMIOU, 102 / CO2 EMISSIONS FROM THE USE OF FOSSIL FUELS IN CRETE – GREECE -- John VOURDOUBAS, Antonios PITARIDAKIS, Charalampos LITOS, 109 / SURVEY OF POWER EXCHANGES – ORGANIZATION AND RESPONSIBILITIES -- O. GJERDE, O.B. FOSSO, 1J. BOGAS, 114 / FREQUENCY PERFORMANCE MONITORING AND ANALYSIS IT SUBSYSTEM FOR a TSO’s CONTROL CENTRE: ARCHITECTURE AND INITIAL EXPERIENCE WITH ITS USE -- Goran JAKUPOVIĆ, Ninel ČUKALEVSKI, Nikola OBRADOVIĆ, 121 / MARIN POLLUTION AND EFFECTIVE USE OF THE RTV SILICON COATINGS IN CRETAN POWER SYSTEM -- Emmanuel J. THALASSINAKIS, 128 / MONTE CARLO PROCEDURES FOR SIMULATING REAL TIME CONTINGENCES AND SETTING OPTIMAL REDISPATCHING STRATEGIES IN MULTI-AREA SYSTEMS -- S. BENINI, A. LEONI, P. PELACCHI, D. POLI, 136 / COMPARING DIFFERENT APPROACHES TO SOLVE THE UNIT COMMITMENT PROBLEM CONSIDERING HYDRO-PUMPED STORAGE STATIONS -- Yiannis A. KATSIGIANNIS, Emmanuel S. KARAPIDAKIS, 147 / ROOF INTEGRATED SOLAR PARABOLIC COLLECTORS SIMULATION ANALYSIS -- G. BARAKOS, S. KAPLANIS, M. PETRAKIS, A. SPYROGIANNOULAS, 154 / THE ROLE OF A POWER EXCHANGE FOR ENERGY TRADING AND POWER GENERATION INVESTMENT -- Bakatjan SANDALKHAN, 161 / HEURISTIC BASED SYNCHRONOUS GENERATOR EXCITATION CONTROL FOR USE IN A DEREGULATED ENVIRONMENT OF ISLAND POWER SYSTEMS -- Yannis L. KARNAVAS, Nicolaos P. POLYZOS, 169 / INNOVATIVE EDUCATION, TRAINING AND DEVELOPMENT PRACTICES AT THE ELECTRICITY AUTHORITY OF CYPRUS -- George ASHIKALIS, 177 / WIND FARMS EXPERIENCE IN CRETE ISLAND -- Antiopi GIGANTIDOU, Ioannis STEFANAKIS, N.D. HATZIARGYRIOU, 186 / PUBLIC KEY INFRASTRUCTURE AS A NEW TECHNOLOGY ENABLING ELECTRONIC AUCTIONS USED IN THE CONTEXT OF ELECTRICITY MARKET RESTRUCTURING: AN ASPECT OF THE COMPLEX GLOBAL ECONOMY -- John K. SAKELLARIS, 195 / THE LIBERALIZATION OF THE ELECTRIC POWER MARKET IN SOUTH – EASTERN MEDITERRANEAN -- Dimitris SARRIS, 202 / DETERMINATION OF COST STAGES OF TRANSMISSION LINE PRODUCTS FROM LONDON METAL EXCHANGE TO FINAL CONSUMER -- Sedat KARABAY, Ahmet ŞEN, 205 / NON-INTRUSIVE, ON-LINE RESIDENTAL METERING BASED ON BROADBAND COMMUNICATION -- Ali İNAN, Themis PAPASTERGIOU, 213 / CONTRIBUTION OF LANDFILL GAS ELECTRICITY GENERATION TO ENERGY BALANCE OF CRETE ISLAND: AN ECONOMIC, ENVIRONMENTAL AND SUSTAINABLE ASSESSMENT USING LEAP MODEL -- A. A. TSAVE, E. S. KARAPIDAKIS, P. M. SOUPIOS, 2181st ed

ESSE 2017. Proceedings of the International Conference on Environmental Science and Sustainable Energy

Environmental science is an interdisciplinary academic field that integrates physical-, biological-, and information sciences to study and solve environmental problems. ESSE - The International Conference on Environmental Science and Sustainable Energy provides a platform for experts, professionals, and researchers to share updated information and stimulate the communication with each other. In 2017 it was held in Suzhou, China June 23-25, 2017

NASA Tech Briefs, Spring 1984

Topics include: NASA TU Services: Technology Utilization services that can assist you in learning about and applying NASA technology. New Product Ideas: A summary of selected innovations of value to manufacturers for the development of new products; Electronic Components and Circuits; Electronic Systems; Physical Sciences; Materials; Life Sciences; Mechanics; Machinery; Fabrication Technology; Mathematics and Information Sciences