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MLitB: machine learning in the browser
With few exceptions, the field of Machine Learning (ML) research has largely ignored the browser as a computational engine. Beyond an educational resource for ML, the browser has vast potential to not only improve the state-of-the-art in ML research, but also, inexpensively and on a massive scale, to bring sophisticated ML learning and prediction to the public at large. This paper introduces MLitB, a prototype ML framework written entirely in Javascript, capable of performing large-scale distributed computing with heterogeneous classes of devices. The development of MLitB has been driven by several underlying objectives whose aim is to make ML learning and usage ubiquitous (by using ubiquitous compute devices), cheap and effortlessly distributed, and collaborative. This is achieved by allowing every internet capable device to run training algorithms and predictive models with no software installation and by saving models in universally readable formats. Our prototype library is capable of training deep neural networks with synchronized, distributed stochastic gradient descent. MLitB offers several important opportunities for novel ML research, including: development of distributed learning algorithms, advancement of web GPU algorithms, novel field and mobile applications, privacy preserving computing, and green grid-computing. MLitB is available as open source software.
Journal Article
A Review Towards the Changing Landscape of Financial Institutions by Using Blockchain Technology
Modern age banking systems has the utilities of the digital world but having said that, it also suffered from its challenges & limitations. Basically, the structure of today’s banking system is driven by traditional client-server interactions, here system became heavily dependent upon central servers and it’s concerning information. The challenges like KYC compliance, fraud detection, manipulation of records and many more are the prime concerns to address in present banking systems. Here Blockchain Technology plays a vital role to overcome the limitations of existing banking systems and provide revolutionized changes in traditional banking systems. This paper based on various Blockchain Technology utilities which can provide a safer & easier prospective to the future banking landscape.
Journal Article
Modelling of Pilotage Service Portfolio for e-navigation and its application in approaching port
Based on the objectives and requirements of the pilotage service portfolio, using the design standards of HGDM organization, the nodes, activities and certification modules of ships entering and leaving the port are analysed, and the S-100 standard model of pilotage data is established. According to the characteristics and actual needs of pilotage, the technical design mode of C/S (client/server) mode of pilotage service portfolio is determined; the application example of pilotage service portfolio is verified by the service mode of tide riding opportunity in Ningbo waters for large container pilotage.
Journal Article
Research on reliability evaluation method of nuclear power plant control system network
With the continuous development of digital technology, digital control systems (DCS) have been widely used in nuclear power units. The reliability of the control system network directly affects the overall reliability of the control system. If the performance of the control system network deteriorates or fails, it may lead to a decrease in the overall response speed of the control system, and in severe cases, even the loss of the monitoring function of the nuclear power plant control system. Therefore, evaluating the reliability of the instrumentation and control network is of great significance for improving the safety and availability of the system. In current network reliability studies, the analysis is mainly based on the failure rate of equipment firmware, while ignoring the impact of communication mechanisms. Furthermore, network verification is mainly carried out in the testing phase, relying on hardware environment construction, and cannot identify problems in the design phase. This study introduces formal verification technology based on model checking. It takes a client-server system network with a two-layer dual-ring structure as the target network, constructs a formal model, and conducts a comprehensive verification of the connectivity and performance reliability of the instrumentation and control system network, focusing on various network reliability indicators. This network verification method employs formal model testing and can be performed during the design phase, covering multiple dimensions of network reliability attributes. It achieves exhaustive state-space verification through mathematical modeling and simulates extreme faults without requiring a complete hardware environment, thus providing a design basis for evaluating network reliability indicators.
Journal Article
Development and Application of Multidisciplinary Design Optimization System for Hypersonic Vehicles
The system design of hypersonic vehicles is a typical multidisciplinary design optimization (MDO) problem. To address the challenge of hypersonic vehicles multidisciplinary design and optimization, a Multidisciplinary Design Optimization System for Hypersonic Vehicles (MDOS-HV) is developed. MDOS-HV adopts a five-layer client/server (C/S) architecture and integrates scalable modules for disciplinary simulation, algorithm configuration, optimization execution, and interactive results visualization. Moreover, a metamodel-based multi-objective optimizer is integrated into MDOS-HV to reduce the optimization cost. Then a practical hypersonic vehicle MDO example is investigated. For the studied problem, the range and heat flux are optimized simultaneously subject to engineering constraints to improve the flight performance of the hypersonic vehicle, where the geometry, aerodynamic, thermal, and trajectory disciplines are considered. With only 200 evaluations of multidisciplinary analysis process, MDOS-HV successfully obtains ten non-dominated solutions. Compared with the initial design, the optimized range is increased by 15.1% with lower stagnation-point heat flux. The results demonstrate the effectiveness and practicality of the developed MDOS-HV, which an open template and reusable workflow for real-world hypersonic vehicles system design.
Journal Article
A new paradigm of cloud-based predictive maintenance for intelligent manufacturing
Advances in cloud computing reshape the manufacturing industry into dynamically scalable, on-demand service oriented, and highly distributed cost-efficient business model. However it also poses challenges such as reliability, availability, adaptability, and safety on machines and processes across spatial boundaries. To address these challenges, this paper investigates a cloud-based paradigm of predictive maintenance based on mobile agent to enable timely information acquisition, sharing and utilization for improved accuracy and reliability in fault diagnosis, remaining service life prediction, and maintenance scheduling. In the new paradigm, a low-cost cloud sensing and computing node is firstly developed with embedded Linux operating system, mobile agent middleware, and open source numerical libraries. Information sharing and interaction is achieved by mobile agent to distribute the analysis algorithms to cloud sensing and computing node to locally process data and share analysis results. Comparing to the commonly used client–server paradigm, the mobile agent approach enhances the system flexibility and adaptability, reduces raw data transmission, and instantaneously responds to dynamic changes of operations and tasks. Finally, the presented cloud-based paradigm of predictive maintenance is validated on a motor tested system.
Journal Article
Secure mobile agents for efficient medical information retrieval: A verifiable variable threshold secret sharing approach
Mobile Agents are a new type of computing that is replacing the client-server approach. Mobile agents are little pieces of code that function automatically on behalf of the owner. Many applications, such as e-commerce, parallel computing, network management, and health care, use mobile agents. The healthcare industry is one of the most growing fields in any country. As the population increases day by day the requirement of medical resources is proportionally increasing. Due to high patient demand and a severe lack of medical resources, a remote medical healthcare system is required. However, the deployment of remote healthcare systems over the Internet introduces a new set of challenges, including interoperability among heterogeneous networks and the need to navigate through multiple public systems dispersed over insecure networks. This paper explores how mobile agents can effectively tackle these challenges, especially in heterogeneous and potentially malicious environments. A key focus of this research is the development of a mathematical model for secure medical information retrieval. This model incorporates a variable threshold secret-sharing mechanism, employing the Chinese remainder theorem and multiplicative inverse with modular arithmetic at different levels. By integrating these cryptographic techniques, the proposed approach ensures the confidentiality and integrity of medical information during its retrieval, contributing to the overall safety and robustness of mobile agent computing in healthcare scenarios.
Journal Article