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检索条件"主题词=Software Algorithms"

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Improvement of the Predictive Control Method for the High-Level Controller

Improvement of the Predictive Control Method for the High-Le...

引用

International Conference on Modern Problems of Radio Engineering, Telecommunications and Computer Science

作者： Vitalii Budashko Albert Sandler Oksana Glazeva Educational and Scientific Institute of Automation and Electrical Engineering National University “Odessa Maritime Academy” NUOMA Odesa Ukraine Department of the theory of automatic control and computer technology National University “Odessa Maritime Academy” NUOMA Odesa Ukraine Department of electrical engineering and electronics National University “Odessa Maritime Academy” NUOMA Odesa Ukraine

ISBN: (数字)9798331520564

ISBN: (纸本)9798331520571

Automation of ship maneuvering in limited sailing conditions usually requires 100% redundancy of thrusters (THRs) of various modifications and their locations in accordance with the matrix. The hierarchy of the motion control system is branched by levels using high-level motion controllers and THRs control distribution algorithms, which allows for a modular design with software, where the high-level controller (HLC) can be designed without comprehensive information about the thruster motors, and the input signal branching and speed limits are handled by the motion controller. But, for certain THRs configurations, this branching leads to the decrease in control efficiency due to the limitation of data on the physical characteristics of the ships and the operation of the motion controller. This research examines different approaches to improving control efficiency using methods of nonlinear predictive control models as a basis for developing motion controllers with decision optimization based on relevant constraints. The implemented branched system is the result of solving two simple problems of ship's motion, which highlight the related problems. The use of different approaches to eliminate the identified shortcomings made it possible to develop the nonlinear controller that combines the motion controller with distributed control of the THRs and ensuring the certain level of system reliability. The modularity of the control system is provided by the expansion of the closed system, which made it possible to achieve an increase in efficiency during the combined mode of operation. The obtained solution of nonlinear control with time-varying constraints made it possible to increase the accuracy of the control with a decrease in the duration of the pause in response to the change of the disturbance within 10 % .

关键词： Attitude control software algorithms Redundancy Propulsion Predictive models software Telecommunications Reliability Marine vehicles Predictive control

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Implementation of an Algorithm for Intelligent Tuning of Operating Frequencies for Cognitive Radio Systems

Implementation of an Algorithm for Intelligent Tuning of Ope...

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Systems of Signals Generating and Processing in the Field of on Board Communications

作者： E. O. Kandaurova D. S. Chirov Moscow Technical University of Communications and Informatics Moscow Russia

This article discusses the issues of practical implementation of the previously developed algorithms for intelligent tuning of operating frequencies in cognitive radio systems. Two SDR devices of the LimeSDR type were used as a model of the cognitive radio system. An OFDM signal with an adaptive signal-code structure is used as a system signal. Service information about the parameters of the signal-code structure and the number of the frequency channel of the next frame is transmitted in the pilot signal subcarriers. To implement the algorithm, special software has been developed. Experimental studies were carried out with the use of software, where it was shown that the use of an algorithm for predicting the occupancy of frequency channels can reduce the time of operational scanning of the spectrum.

关键词： Time-frequency analysis Frequency modulation OFDM software algorithms Prediction algorithms software Hardware

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An optimization-based control of indoor lighting: A comparative study between Particle Swarm Optimization and Firefly Algorithm

An optimization-based control of indoor lighting: A comparat...

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Power Engineering Application (ICPEA), IEEE International Conference in

作者： Nik Sahidah Nik Ahmad Nur Hanis Mohammad Radzi Mohd Noor Abdullah Khairul Rijal Wagiman Muhammad Nafis Ismail Roziah Aziz Faculty of Electrical and Electronic Engineering Green and Sustainable Energy Focus Group (GSEnergy) Universiti Tun Hussein Onn Malaysia Johor Malaysia Industrial Training Institute Selandar Selandar Melaka Malaysia Faculty of Electrical and Electronic Engineering Universiti Tun Hussein Onn Malaysia Johor Malaysia

ISBN: (纸本)9781728185477

The main factor of employee comfort in the workplace is the lighting system, where it can provide productivity and reduce stress while doing work if getting enough lighting. In fact, proper lighting is needed to improve the performance of work, increase the appearance of the area and has a positive psychological effect on the occupancy in the building. The increasing number of buildings in Malaysia leads to the difficulty of managing the distribution of the electricity and saving energy usage due to inefficient system for lighting distribution. There are many types of lighting system and these system have different performance in terms of radiated heat, long lifetime, energy efficiency, power consumption and others. Hence, in order to identify the optimal dimming level and energy consumption, this paper present the comparison between light emitting diode (LED) and fluorescent luminaires using particle swarm optimization (PSO) algorithm and firefly algorithm (FA). In this study, the comparative results show that the advantages of the PSO algorithm with using LED luminaires, significant energy savings up to 50.4% and fully satisfied the average illuminance value accordance with MS-1525.

关键词： Productivity Energy consumption Simulation software algorithms Buildings Lighting Psychology

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Pioneering Testing and Assessment Framework For AI-Powered SAR ATR Systems

Pioneering Testing and Assessment Framework For AI-Powered S...

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International Conference on Big Data and Artificial Intelligence (BDAI)

作者： Qiang Zhang Jiandong Bai Xin Chang Beijing Institute of Tracking and Communication Technology Beijing China

ISBN: (数字)9798350352009

ISBN: (纸本)9798350352016

Recent advancements in machine learning and deep learning techniques have significantly enhanced the performance of Synthetic Aperture Radar (SAR) Automatic Target Recognition (ATR). However, the inherent opacity and uncertainty of AI pose challenges, as there is a lack of systematic testing and standardized metrics for evaluating AI-based SAR ATR systems. It hinders the application of SAR ATR system in safety-critical domains. In this paper, we present testing and assessment framework for AI-based SAR ATR system inspired recent developed AI-system testing and standard. We further present the level-1 and level 2 metrics to assess the SAR-ATR systems. It does not involve that algorithm recognition performance but the whole software system quality in the perspective of software engineering. Throughout testing and assessment for the whole system, it fosters application of the AI-based SAR ATR system in practice.

关键词： Measurement Systematics Uncertainty Target recognition software algorithms software systems Synthetic aperture radar Standards Testing software engineering

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Robotic Vision with Micro Expression Analysis: Revolutionizing Customer Experiences in the Tourism and Hospitality Industry

Robotic Vision with Micro Expression Analysis: Revolutionizi...

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Technology & Engineering Management Conference - Asia Pacific (TEMSCON-ASPAC), IEEE

作者： Arjun J Nair Sridhar Manohar Amit Mittal Chitkara Business School Chitkara University Punjab India

ISBN: (数字)9798350384659

ISBN: (纸本)9798350384666

This research paper explores the transformative potential of robotic vision with micro expression analysis technology in revolutionizing customer experiences in the tourism and hospitality industry. The paper delves into the theoretical foundations, technical specifications and practical implementations of the technology highlighting the ability to deliver personalized and emotionally intelligent interactions. Integration of high resolution cameras, advanced image processing and real time emotion recognition, the technology provides user centric and context aware approach to service delivery. The proposed device specifications outline the key components and capabilities showcasing the potential impact on customer satisfaction, engagement and loyalty. The research envisions a future where human robot interactions are more profound and empathetic, paving the way for a customer centric industry landscape.

关键词： Industries Emotion recognition Service robots software algorithms Human-robot interaction Collaboration Transforms

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Resolving the algorithms-as-requirements versus algorithms-as-design conundrum

Resolving the algorithms-as-requirements versus algorithms-a...

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Conference on Digital Avionics Systems (DASC)

作者： Matthew S. Jaffe Embrey-Riddle Aeronautical University Prescott AZ USA

This paper explores the origins and consequences of two inherent non-uniformities in the software systems engineering process: 1. An inherent non-uniformity of requirements "levels" in the beginning of the software systems requirements engineering process. 2. A resultant lack of parallelism between levels of refinement of abstraction in the expression of requirements and levels of refinement and decomposition in systems and software design. These non-uniformities are shown to be potentially contributing factors, possibly the principal contributing factors, to the "algorithms as requirements" versus "algorithms as design" conundrum, a key component of the "what" versus "how" distinction in software requirements versus software design documents that has never been as settled as we might wish it to have been. A reasonably rigorous argument is made that the first of these non-uniformities is related to an intrinsically ambiguous role for algorithms in the software systems engineering process and that it is intrinsic problem, not an artifact of poor requirements syntax in the various languages in which requirements are expressed. As the second problem, the lack of parallelism between levels of requirements and levels of design follows from the first, it too would seem therefore to be an intrinsic issue, not unique to any specific requirements or design methodology. To resolve the ambiguity and the problems it has lead to in software systems engineering processes, the necessity for a dualistic view of algorithms is proposed and the practical engineering consequences of the dualism are discussed. A careful set of semantics to distinguish between the dualism's alternatives is proposed and recommended for use in organizing and expressing requirements for software intensive systems.

关键词： software systems software algorithms Systems engineering and theory software design Algorithm design and analysis Design methodology Organizing software engineering Engineering profession Vocabulary

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An Energy-Aware Distributed Clustering Algorithm in Wireless Sensor Networks

An Energy-Aware Distributed Clustering Algorithm in Wireless...

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International Conference on Computer Science and software Engineering

作者： Jianbo Xu Yong He Renfa Li Sch. of Comput. Sci. & Eng. Hunan Univ. of Sci. & Technol. Xiangtan Sch. of Comput. & Commun. Hunan Univ. Changsha Changsha

We proposed a distributed energy saving clustering algorithm BPEC. Cluster-heads are elected by two probabilities. The primary probability is based on the ratio between average residual energy of neighbor nodes and itself residual energy. The subsidiary probability is the node's degree. By using BPEC algorithm, the entire network broadcasting complexity is O (n), the entire network computing complexity is O (1). The cluster set generated by BPEC is proved to be a Maximum Independent Set. The experimental results show that when nodes is enough, the cluster set size is close to the theoretical values.

关键词： Clustering algorithms Wireless sensor networks Sensor phenomena and characterization Computer science software algorithms Computer networks Distributed computing Algorithm design and analysis Wireless application protocol software engineering

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Real Object Registration Algorithm Based on SURF and RANSAC

Real Object Registration Algorithm Based on SURF and RANSAC

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IEEE International Conference on Networking, Sensing and Control

作者： Chuyi Dai Ding Liu Weihao Hu Intelligent Robot Laboratory Hangzhou Institute of Technology Xidian University Hangzhou China School of Mechano-Electronic Engineering Xidian University Xi'an China

ISBN: (纸本)9781665440493

In recent years, with the rapid development of smartphone devices and mobile cellular network technology, real-time virtual reality feedback software and games based on mobile phone cameras have developed rapidly. However, current existing real-scene item matching algorithms usually need to rely on Internet connections or require the high-performance computing power of devices to meet the demand. For this reason, this paper proposes a real-scene item registration algorithm based on the SURF algorithm, which has the advantages of good real-time performance, low calculation amount, and easy implementation. It can be adopted and further developed in real-scene software for item recognition and registration used in games and intelligent robots.

关键词： Matched filters software algorithms Games Virtual reality Filtering algorithms Feature extraction software

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Industrial Portfolio Management for Many-Objective Optimization algorithms

Industrial Portfolio Management for Many-Objective Optimizat...

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Congress on Evolutionary Computation

作者： Tobias Rodemann Honda Research Institute Europe Offenbach/Main Germany

In industry we see an increasing interest in (evolutionary) many objective optimization algorithms. However, the majority of engineers only using, not researching, optimizers have a limited understanding of the pros and cons of different algorithms and therefore rely on either third-party recommendations or benchmark tests to pick the most suitable methods for their problems. Unfortunately, most benchmarks are targeting an academic audience leaving the practitioner often in doubt about the correct choices. In this article we try to outline the essential requirements for a many-objective optimization algorithm portfolio management from an industrial perspective and compare the situation in our field to another domain with similar issues, image processing. We want to address one of the core practical issues: “Given a limited computational or time budget for my optimization project, which optimization algorithms should I try?”.

关键词： Optimization Benchmark testing Portfolios software algorithms Complexity theory Evolutionary computation Sociology

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Wavelet ridge estimation of jointly modulated multivariate oscillations

Wavelet ridge estimation of jointly modulated multivariate o...

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Asilomar Conference on Signals, Systems & Computers

作者： Jonathan M. Lilly Sofia C. Olhede Earth and Space Research Seattle WA USA Department of Statistical Science University College London London UK

ISBN: (纸本)9781424458257

Wavelet ridge analysis is a technique for estimating the time-varying properties of a modulated oscillatory signal from a contaminated observation. Here this technique is extended to the multivariate case, that is, to a set of N real-valued time series. The bivariate case is illustrated with an application to a set of freely-drifting oceanographic floats. A freely distributed software package implementing this algorithm is available online at http://***.

关键词： Signal analysis Wavelet analysis Phase modulation Amplitude modulation Geoscience Educational institutions Application software software packages software algorithms Noise level

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