Academic literature on the topic 'A network representation of technological processes and limited resources'
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Journal articles on the topic "A network representation of technological processes and limited resources"
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Kostyuchenko, Yuriy V. "On the Advanced Methodology of Risk-Based System Resilience Analysis." International Journal of Mathematical, Engineering and Management Sciences 6, no. 1 (October 29, 2020): 268–78. http://dx.doi.org/10.33889/ijmems.2021.6.1.017.
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The modern evolution of technological systems from Hierarchical branching structures purposed to centralized transfer and distribution of limited resources to multi-agent interconnected self-organized networks aimed to produce, transport and consumption of resources are considered. The model of multi-agent interconnected self-organized adaptive networking systems is proposed, the network topology is considered, a system functioning model including transient processes is analyzed. A substantial limitation of the traditional reliability paradigm for a novel type of systems is demonstrated. It was assumed, that optimization approaches in the context of “big data” utilization lead to create a quasi-infinite space of non-structured decisions, which can be characterized as “big decisions”. The modified approach based on the “equally defended networked system” paradigm and the corresponding quantitative risk measure is proposed.
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Tomov, Pancho, and Lubomir Dimitrov. "THE ROLE OF DIGITAL INFORMATION MODELS FOR HORIZONTAL AND VERTICAL INTERACTION IN INTELLIGENT PRODUCTION." Facta Universitatis, Series: Mechanical Engineering 17, no. 3 (November 29, 2019): 397. http://dx.doi.org/10.22190/fume190422037t.
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Intelligent production is the future of industrial production. It is the leading way to a new industrial era and it best defines the concept of the Fourth Industrial Revolution. Getting the real-time data on quality, resources and costs it provides significant advantages over classical production systems. Intelligent production must be built on sustainable and service-oriented technological and business practices. They are characterized by flexibility, adaptability and self-learning, resilience to failures, and risk management. The high levels of automation, on the other hand, become a mandatory standard for them, which is possible thanks to a flexible network of production-based systems that automatically monitor the production processes. Flexible systems and models that are capable of responding in real time allow internal processes to be radically optimized. Production benefits are not limited to one-off production conditions, and the capabilities include optimization through a global network of adaptive and self-regulating manufacturing components belonging to more than one operator.
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Kondrat’ev, V. "World Economy as Global Value Chain’s Network." World Economy and International Relations, no. 3 (2015): 5–17. http://dx.doi.org/10.20542/0131-2227-2015-3-5-17.
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World trade and production are increasingly structured around “global value chains” (GVCs). A value chain identifies the full range of activities that firms undertake to bring a product or a service from its conception to its end use by final consumers. Technological progress, cost, access to resources and markets and trade policy reforms have facilitated the geographical fragmentation of production processes across the globe according to the comparative advantage of the locations. This international fragmentation of production is a powerful source of increased efficiency and firm competitiveness. Today, more than half of world manufactured imports are intermediate goods (primary goods, parts and components, semi-finished products), and more than 70% of world services imports are intermediate services. The emergence of GVCs during the last two decades has implications in many areas, including trade, investment and industrial development. Some of these implications have been explored in recent OECD work but the empirical evidence on GVCs remains limited. The last few years have witnessed a growing number of case studies on the globally integrated value chains at the product level, but such analyses only depict the situation for a specific product. The main objective of the article is to provide more and better evidence allowing to examine the position of countries within international production networks. The author deals with quantitative indicators that give a more accurate picture of the integration and position of countries in GVCs. A detailed assessment of global value chains is provided in six industries: agriculture and food products, chemicals, electrical and computing machinery, motor vehicles, business services, financial services.
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Lloret, Jaime, Sandra Sendra, Laura Garcia, and Jose M. Jimenez. "A Wireless Sensor Network Deployment for Soil Moisture Monitoring in Precision Agriculture." Sensors 21, no. 21 (October 30, 2021): 7243. http://dx.doi.org/10.3390/s21217243.
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The use of precision agriculture is becoming more and more necessary to provide food for the world’s growing population, as well as to reduce environmental impact and enhance the usage of limited natural resources. One of the main drawbacks that hinder the use of precision agriculture is the cost of technological immersion in the sector. For farmers, it is necessary to provide low-cost and robust systems as well as reliability. Toward this end, this paper presents a wireless sensor network of low-cost sensor nodes for soil moisture that can help farmers optimize the irrigation processes in precision agriculture. Each wireless node is composed of four soil moisture sensors that are able to measure the moisture at different depths. Each sensor is composed of two coils wound onto a plastic pipe. The sensor operation is based on mutual induction between coils that allow monitoring the percentage of water content in the soil. Several prototypes with different features have been tested. The prototype that has offered better results has a winding ratio of 1:2 with 15 and 30 spires working at 93 kHz. We also have developed a specific communication protocol to improve the performance of the whole system. Finally, the wireless network was tested, in a real, cultivated plot of citrus trees, in terms of coverage and received signal strength indicator (RSSI) to check losses due to vegetation.
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Garcia-Morales, Victor Jesus, Rodrigo Martín-Rojas, and María Esmeralda Lardón-López. "Influence of social media technologies on organizational performance through knowledge and innovation." Baltic Journal of Management 13, no. 3 (July 2, 2018): 345–67. http://dx.doi.org/10.1108/bjm-04-2017-0123.
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Purpose The purpose of this paper is to show how social media technologies (SMT) make the firm proficient to act on business opportunities and reconfigure business resources by encouraging networks to routinize the firm’s knowledge and innovation competencies. Design/methodology/approach The paper analyzes data obtained from a sample of 201 technological firms located in Spain. Structural equation modeling with Lisrel is used to test the hypotheses. Findings This paper contributes to the literature by reflecting empirically in a structural model how SMT drive technological knowledge competencies to improve organizational performance directly and indirectly by leveraging processes of innovation capability in the firm. Research limitations/implications The study has some limitations, among them transversal analysis of different constructs. The number of relationships analyzed is limited, as is the literature focuses on a digital vision from a social media point of view. Practical implications Some implications for managers emerge. SMT both enable an emergent participatory culture through ubiquitous digital devices and social networks and balance constant connectivity afforded by digital devices. Originality/value Drawing on complexity science, the authors develop a conceptual framework to explain how social media, as emergent IS phenomena, help firms to create business value, leveraging network effects and knowledge flows, and increasing innovative capability.
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Popov, Aleksandr, Anna Zapol'skaya, and Tat'yana Popova. "MULTICHOICE APPROACH TO SOLUTION OF OPTIMIZATION PROBLEMS OF ALGORITHMIC DESCRIPTION FORMATION OF PROCESSING ROUTES." Bulletin of Bryansk state technical university 2020, no. 11 (November 2, 2020): 18–25. http://dx.doi.org/10.30987/1999-8775-2020-11-18-25.
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The paper is aimed at the solution of the problem in the formation of multi-level structural optimization of promising technological processes. Here there is manifested the necessity in thorough development of algorithmic problems on the formation of the best technological route for components and units processing taking into account requirements to quality and choice of the smallest cost characteristics of an industrial process.
At the solution of optimization problems in engineering process designing there are used simulators reflecting basic principles of production work functioning.
The search of an optimum solution was carried out by a mechanism of threshold structural optimization realization on network graphs. In the course of the investigation fulfillment on the problems of automated production introduction there were formed simulators taking into account single-phase and multi-phase systems of mass maintenance.
At that to the first place there were moved cost parameters for the assessment of engineering process versions. In such a way was confirmed a hypothesis on the purposefulness of the definition of engineering process functional parameters with the further choice of an optimum solution.
Conclusions: time decrease, high quality, and also a financial profit can be complex for the majority of real applications, therefore the majority of optimization methods try to find an ideal method for the solution of limited resources problem in the framework of different limitations.
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Sapio, Valentina. "Open Design." Academic Research Community publication 3, no. 4 (June 1, 2019): 78. http://dx.doi.org/10.21625/archive.v3i4.541.
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The evolution of electronics, sustainable energy, digital and the web in the productive and entrepreneurial structure generated, in the second half of the twentieth century, the third industrial revolution. Defined by some scholars like Chris Anderson and economic newspapers like the "Financial Times": "A revolution in which the planner in general and the designer in particular have truly new technical, economic and above all formal language opportunities for the design of new elements". A phenomenon still in full swing, yet we are already talking about Industry 4.0, as synonymous with a fourth industrial revolution that presents a new feature, a new bidirectional relationship that re-examines two key players: producers and consumers. This complete connection has led to the creation of new products and services, which improve the level of efficiency of life by making it more productive.Cyber-physics, in fact, the current technological science that integrates software and networking with new techniques of abstraction, modeling, design and analysis to the dynamics of physical processes, joins traditional design processes, generating a new stream of production process. Defined by Denis Santachiara, designer and Professor at NABA in Milan «[...] a virtual representation of a manufacturing process in a software environment [...]».This new context presupposes the inclusion within the Internet network, "the network of networks", increasingly configured as a "Network Society", where to grasp the growing complexity of the digital revolution, the integration of new instruments that lead to the digital manufacturing. This determines an innovation in the language of designers, towards a new culture of the project, thanks to the resources developed by the new digital technologies. A new reality that turns into opportunities for young designers, in which transversal and multidisciplinary figures with a heterogeneous design background are needed, able to interact with the various facets of these means.
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Xiong, Mingfu, Zhiyu Gao, Ruimin Hu, Jia Chen, Ruhan He, Hao Cai, and Tao Peng. "A Lightweight Efficient Person Re-Identification Method Based on Multi-Attribute Feature Generation." Applied Sciences 12, no. 10 (May 12, 2022): 4921. http://dx.doi.org/10.3390/app12104921.
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Person re-identification (re-ID) technology has attracted extensive interests in critical applications of daily lives, such as autonomous surveillance systems and intelligent control. However, light-weight and efficient person re-ID solutions are rare because the limited computing resources cannot guarantee accuracy and efficiency in detecting person features, which inevitably results in performance bottleneck in real-time applications. Aiming at this research challenge, this study developed a lightweight framework for generation of the person multi-attribute feature. The framework mainly consists of three sub-networks each conforming to a convolutional neural network architecture: (1) the accessory attribute network (a-ANet) grasps the person ornament information for an accessory descriptor; (2) the body attribute network (b-ANet) captures the person region structure for a body descriptor; and (3) the color attribute network (c-ANet) forms the color descriptor to maintain the consistency of the color of the person(s). Inspired by the human visual processing mechanism, these descriptors (each “descriptor” corresponds to the attribute of an individual person) are integrated via a tree-based feature-selection method to construct a global “feature”, i.e., a multi-attribute descriptor of the person serving as the key to identify the person. Distance learning is then exploited to measure the person similarity for the final person re-identification. Experiments have been performed on four public datasets to evaluate the proposed framework: CUHK-01, CUHK-03, Market-1501, and VIPeR. The results indicate that (1) the multi-attribute feature outperforms most of the existing feature-representation methods by 5–10% at rank@1 in terms of the cumulative matching curve criterion; and (2) the time required for recognition is as low as O(n) for real-time person re-ID applications.
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Hyla, Jakub, Wojciech Sułek, Weronika Izydorczyk, Leszek Dziczkowski, and Wojciech Filipowski. "Efficient LDPC Encoder Design for IoT-Type Devices." Applied Sciences 12, no. 5 (February 28, 2022): 2558. http://dx.doi.org/10.3390/app12052558.
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Low-density parity-check (LDPC) codes are known to be one of the best error-correction coding (ECC) schemes in terms of correction performance. They have been utilized in many advanced data communication standards for which the codecs are typically implemented in custom integrated circuits (ICs). In this paper, we present a research work that shows that the LDPC coding scheme can also be applied in a system characterized by highly limited computational resources. We present a microcontroller-based application of an efficient LDPC encoding algorithm with efficient usage of memory resources for the code-parity-check matrix and the storage of the results of auxiliary computations. The developed implementation is intended for an IoT-type system, in which a low-complexity network node device encodes messages transmitted to a gateway. We present how the classic Richardson–Urbanke algorithm can be decomposed for the QC-LDPC subclass into cyclic shifts and GF(2) additions, directly corresponding to the CPU instructions. The experimental results show a significant gain in terms of memory usage and decoding timing of the proposed method in comparison with encoding with the direct parity check matrix representation. We also provide experimental comparisons with other known block codes (RS and BCH) showing that the memory requirements are not greater than for standard block codes, while the encoding time is reduced, which enables the energy consumption reduction. At the same time, the error-correction performance gain of LDPC codes is greater than for the mentioned standard block codes.
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Meadors, Patrick, Pamela Meadors, Beth York, and Declan Walsh. "Electronic distress screening for early symptom identification and management." Journal of Clinical Oncology 36, no. 34_suppl (December 1, 2018): 170. http://dx.doi.org/10.1200/jco.2018.36.34_suppl.170.
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170 Background: Sustainable comprehensive screenings for cancer-related symptoms and distress is a challenge for large multisite cancer centers. Technological solutions are necessary to compile patient-reported outcomes at institutions with high volumes across broad geographic regions. Interdisciplinary collaboration and leadership engagement is required to effectively screen for and manage symptoms. Once integrated, electronic distress screening (EDS) produces large symptom databases for management of cancer related symptoms, strategic programmatic growth, and research. Methods: System-wide (n=44 clinic locations) implementation of EDS at consultation visits and simulations occurred in phases between November 2016-Dec 2016. EDS content, clinical sensitivity thresholds, and referral processes were developed with input from Supportive Oncology Department. Automatic alerts via email based on clinical thresholds developed and various symptoms profiles used to aid referrals to supportive oncology resources. Information and Analytic services ensured clinical integration into the EMR, delineation by clinic site, and troubleshooting. Ongoing completion rate tracked and sent to all practice managers. Results: The network-wide EDS completion rate for January 2017-June 2018 is 69% (26,564 completed out of 38,435 eligible patient encounters). Mean completion time per patient was 8 minutes. 84% of clinic sites (n=37) screened >50% of eligible patients and 46% of clinics (n=20) screened >75%. Triggered referral rates were established for all supportive oncology sections (e.g. 60% of patients reported clinically significant distress and 18% indicated being at risk for malnutrition). All screening data available for ongoing analysis. Conclusions: EDS can be integrated as a solution for distress and cancer related symptoms in multisite cancer centers. Interdisciplinary collaboration is needed to ensure clinical relevance. Phased rollouts, structured education, and completion rate dashboards help establish leader buy-in and consistent symptom screening. Such symptom databases allow large cancer hospital networks to strategically allocate limited resources based on highest volume/acuity/symptom profiles.
Dissertations / Theses on the topic "A network representation of technological processes and limited resources"
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Мельников, Олег Валентинович. "Інформаційні технології багаторівневого планування в організаційно-виробничих системах з обмеженими ресурсами." Doctoral thesis, Київ, 2013. https://ela.kpi.ua/handle/123456789/3339.
Full textConference papers on the topic "A network representation of technological processes and limited resources"
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Wallace, David R., Shaun M. Abrahamson, and Nicholas P. Borland. "Design Process Elicitation Through the Evaluation of Integrated Model Structures." In ASME 1999 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/detc99/dtm-8780.
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Abstract Refinement of product design processes is recognized as a means for organizations to impact lead times, cost, and quality. Although methods such as the design structure matrix (DSM) exist to analyze design processes, their applications have been limited by overhead in collecting data and maintaining accurate representations. Representation timeliness and resolution issues have typically led to static, high-level process views. In this work, the design process is derived dynamically from an evolving network of design resources inter-related by service dependencies. This network is created to simulate the state of a product design. Through the analysis of resulting dependencies, high-resolution networks of task and parameter interdependency can be extracted. A software module is developed to provide the service of automatically extracting and analyzing the structure of service exchanges in integrated design models. The module provides a matrix or DSM visualization of service relationships and mechanisms to sort resources according to service priority. This allows for realtime evaluation of design processes as models of the product evolve, providing information to guide the strategic addition of resources.