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On-Line Recognition of Metabolic State of Baker's Yeast Culture

IFAC Proceedings Volumes 2004年第3期37卷 397-402页

作者： P. Hrnčiřik J. Vovsík J. Náhlík Department of Computing and Control Engineering Institute of Chemical Technology Prague Technická 5 166 28 Prague 6 Czech Republic fax: +420 224 355 053

This paper presents the comparison of two approaches based on artificial intelligence techniques solving the task of on-line recognition of metabolic state of baker's yeast culture in a fed-batch cultivation. The first approach iS represented by a knowledge-based system containing expert knowledge in the form of production rules. The other approach is based on the application of the fuzzy neural network paradigm enabling the automatic extraction of the recognition rules from. experimental data. Performance of both approaches is discussed using results obtamed from tests on experimental data from a laboratory cultivation unit.

关键词： Fermentation processes Fuzzy systems Neural networks Recognition Rule-based systems

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Digital CEOs in Digital Enterprises:Automating,Augmenting,and Parallel in Metaverse/CPSS/TAOs

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IEEE/CAA Journal of Automatica Sinica 2024年第4期11卷 820-823页

作者： Juanjuan Li Rui Qin Sangtian Guan Xiao Xue Peng Zhu Fei-Yue Wang with State Key Laboratory of Multimodal Artificial Intelligence Systems Institute of AutomationChinese Academy of SciencesBeijing 100190China the College of Intelligence and Computing Tianjin UniversityTianjin 300072China School of Economics and Management Nanjing University of Science and TechnologyNanjing 210094China the State Key Laboratory for Management and Control of Complex Systems Chinese Academy of SciencesBeijing 100190 Faculty of Innovation Engineering Macao University of Science and TechnologyMacao 999078China

BIG models or foundation models are rapidly emerging as a key force in advancing intelligent societies[1]–[3]Their significance stems not only from their exceptional ability to process complex data and simulate advan... 详细信息

关键词： exceptional Auto advancing

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Modeling the Impact of DVFS on Performance of Applications in Datacenter

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Ruan Jian Xue Bao/Journal of Software 2017年第4期28卷 845-859页

作者： Li, Deng-Hui Zhao, Jia-Cheng Cui, Hui-Min Feng, Xiao-Bing State Key Laboratory of Computer Architecture Institute of Computing Technology The Chinese Academy of Sciences Beijing100190 China School of Computer and Control Engineering University of Chinese Academy of Sciences Beijing100049 China

Datacenters are built to house massive internet services at an affordable price. Both Op-ex (long-time operational expenditure) and Cap-ex (one-time construction costs) are directly impacted by datacenter power consumption. Thus, DVFS (dynamic voltage and frequency scaling) is widely adopted to improve per node energy efficiency. However, it is well known but has not yet been fully explored that such schemes affect an application's power consumption and performance simultaneously. This paper focuses on the impact of DVFS on performance of an application and proposes an analytical model to quantitatively characterize the relationship between an application's performance and a processor's frequency, which can be leveraged to predict the performance of an application at any frequency. Specifically, according to different memory subsystem resources accessed, instructions of an application are divided into two parts: on-chip instructions and off-chip instructions, which can be modeled independently. On-Chip instructions refer to instructions which only access on-chip resources, and their execution time is frequency-relevant and can be modeled using a linear function. Off-chip instructions stand for instructions accessing the main memory, and their execution time is dominated by memory access latency and is frequency-irrelevant. By the division and modeling of the two parts, a quantitative model can be obtained between the execution time of an application and frequency of a processor. Evaluations using two different platforms and all benchmarks of SPEC 2006 show that the derived models are very precise, with average prediction error less than 1.34%. © Copyright 2017, institute of Software, the Chinese Academy of Sciences. All rights reserved.

关键词： Energy efficiency

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Cross-media retrieval with semantics clustering and enhancement

Cross-media retrieval with semantics clustering and enhancem...

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IEEE International Conference on Multimedia and Expo (ICME)

作者： Minfeng Zhan Liang Li Qingming Huang Yugui Liu School of Computer and Control Engineering University of Chinese Academy of Sciences China Chinese Academy of Sciences Institute of Computing Technology China

ISBN: (纸本)9781509060689

Cross-media retrieval, which uses a text query to search for images and vice-versa, has attracted a wide attention in recent years. The mostly existing cross-media retrieval methods aim at finding a common subspace and maximizing different modalities correlations. But these approaches do not directly capture the underlying semantic information of different modalities. This paper proposes a novel cross-media retrieval by semantics clustering and enhancement, where a semantic-preserved mapping is learned from the original space to the target semantic space. Meanwhile, In order to improve the demarcation of semantic space, we enhance the semantic manifold by learning a dimension invariant matrix. Our approach not only maximizes the correlation between different modalities, but also increases the discriminative ability among different categories. Experiments show that our approach outperforms the popular methods on two real word datasets.

关键词： Semantics Manifolds Correlation Data structures Kernel Optimization Media

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A robust approach to using of the redundant information in the temperature calibration

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AIP Conference Proceedings 2013年第1期1552卷 498-503页

作者： R. Strnad L. Kňazovická M. Šindelář J. Kukal Czech Metrology Institute Okružní 31 638 00 Brno Czech Republic Czech Metrology Institute Okružní 31 638 00 Brno Czech Republic and Department of Computing and Control Engineering Institute of Chemical Technology Prague Technická 5 166 28 Prague 6 Czech Republic Department of Computing and Control Engineering Institute of Chemical Technology Prague Technická 5 166 28 Prague 6 Czech Republic

In the calibration laboratories are used standard procedures for calculating of the calibration model coefficients based on well described standards (EN 60751, ITS-90, EN 60584, etc.). In practice, sensors are mostly calibrated in more points and redundant information is used as a validation of the model. This paper will present the influence of including all measured points with respect to their uncertainties to the measured models using standard weighted least square methods. A special case with regards of the different level of the uncertainty of the measured points in case of the robust approach will be discussed. This will go to the different minimization criteria and different uncertainty propagation methodology. This approach also will eliminate of the influence of the outline measurements in the calibration. In practical part will be three cases of this approach presented, namely industrial calibration according to the standard EN 60751, SPRT according to the ITS-90 and thermocouple according to the standard EN 60584.

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GPU based ordinal optimization for traffic signal coordination

GPU based ordinal optimization for traffic signal coordinati...

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2012 IEEE International Conference on Service Operations and Logistics, and Informatics, SOLI 2012

作者： Wang, Kai Shen, Zhen Changsha Hunan China State Key Laboratory of Management and Control for Complex Systems Beijing Engineering Research Center of Intelligent Systems and Technology Institute of Automation Beijing 100190 China Dongguan Research Institute of CASIA Cloud Computing Center Chinese Academy of Sciences Songshan Lake Dongguan 523808 Guangdong Province China

ISBN: (纸本)9781467324007

Traffic signal coordination has long been a hot topic in Intelligent Transportation Systems (ITS) research. Simulation-based optimization is an important method to optimize the coordination designs as the traffic systems are not easily described by mathematical models accurately. For the traffic simulator in the method, micro-simulation is becoming more and more popular than the macroscopic or mesoscopic simulation in recent years, as the micro-simulation can describe drivers' decision-making process and their driving behaviors in the framework of ITS. However, the computing burden for the micro-simulation is usually very heavy as a large number of vehicles are modeled and simulated separately. For the optimizer in the method, iterative algorithms such as Genetic Algorithms (GA), Ant Colony Optimization (ACO), and Particle Swarm Optimization (PSO) are widely used to find the global optimal solutions. However, these algorithms usually take too much time to converge when a large-scale road network is encountered. To alleviate the computing burden and speed up the convergence, we build an agent-based traffic simulator and employ Ordinal Optimization (OO) as the optimizer. We accelerate both the simulator and the optimizer with Graphics Processing Unit (GPU), which has been applied successfully in many areas for parallel computing. Simulation results show the effectiveness of the OO method and the power of GPU for parallel computing. © 2012 IEEE.

关键词： Graphics processing unit

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Editorial:Special Topic on Federated Learning for IoT and Edge computing

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ZTE Communications 2022年第3期20卷 1-2页

作者： PAN Yi CUI Laizhong CAI Zhipeng LI Wei Faculty of Computer Science and Control Engineering at Shenzhen Institute of Advanced Technology Chinese Academy of SciencesChina the Academy of the United Nations Sciences and Technology Organization Ukrainian Academy of Engineering Sciences American Institute for Medical and Biological Engineering Institute of Engineering Technology the College of Computer Science and Software Engineering at Shenzhen University China Department of Computer Science and the College of Business at Georgia State University USA the Center for Distributed and High Performance Computing School of Computer ScienceThe University of Sydney the Australia-China Joint Research Center on Energy Informatics and Demand Response Technologies

Recent years have witnessed the proliferation of Internet of Things(IoT),in which billions of devices are connected to the Internet,generating an overwhelming amount of *** is challenging and infeasible to transfer an... 详细信息

关键词： cloud generating data.

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History and biomedical applications of digital signal and image processing

History and biomedical applications of digital signal and im...

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International Workshop on Computational Intelligence for Multimedia Understanding (IWCIM)

作者： A. Procházka O. Vyšata Dept of Computing and Control Engineering Institute of Chemical Technology CZ Charles University Department of Neurology Hradec Králové CZ

The paper presents in its initial part historical notes to the development of digital signal and image processing methods. The following case studies are devoted to their application in biomedicine and they include the use of computational intelligence in EEG and EMG signal processing, image segmentation and registration in orthodontia, the human-machine interaction and the three-dimensional modelling using MS Kinect in diagnostics and treatment of human motion disorders and neurological diseases. Associated comments include remarks and references to the development of modern computational tools, biosensors, wireless communication and data fusion used in assistive technologies and robotic systems. Mathematical tools common to all these applications form the next part of the paper that includes notes to spectral analysis, functional transforms, digital filtering, image enhancement, classification of multi-dimensional signal components and optimization using neural networks. Final remarks emphasize the interdisciplinary significance of the digital signal processing forming the integrating basis of many diverse research areas.

关键词： Biomedical imaging Electroencephalography Transforms Digital signal processing Solid modeling Image processing

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An empirical study of information diffusion in micro-blogging systems during emergency events

An empirical study of information diffusion in micro-bloggin...

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14th International Conference on Web-Age Information Management, WAIM 2013

作者： Cui, Kainan Zheng, Xiaolong Zeng, Daniel Dajun Zhang, Zhu Luo, Chuan He, Saike School of Electronic and Information Engineering Xi'an Jiaotong University Xi'an China State Key Laboratory of Management and Control for Complex Systems Institute of Automation Chinese Academy of Sciences Beijing 100190 China Dongguan Research Institute of CASIA Cloud Computing Center Chinese Academy of Sciences Songshan Lake Dongguan 523808 China

ISBN: (纸本)9783642395260

Understanding the rapid information diffusion process in social media is critical for crisis management. Most of existing studies mainly focus on information diffusion patterns under the word-of-mouth spread mechanism. However, to date, the mass-media spread mechanism in social media is still not well studied. In this paper, we take the emergency event of Wenzhou train crash as a case and conduct an empirical analysis, utilizing geospatial correlation analysis and social network analysis, to explore the mass-meida spread mechanism in social media. By using the approach of agent-based modeling, we further make a quantativiely comparison with the information diffusion patterns under the word-of-mouth spread mechanism. Our exprimental results show that the mass-meida spread mechanism plays a more important role than that of the word-of-mouth in the information diffusion process during emergency events. The results of this paper can provide significant potential implications for crisis management. © 2013 Springer-Verlag.

关键词： Information management

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A GPU based trafficparallel simulation module of artificial transportation systems

A GPU based trafficparallel simulation module of artificial ...

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2012 IEEE International Conference on Service Operations and Logistics, and Informatics, SOLI 2012

ISBN: (纸本)9781467324007

Traffic micro-simulation is an important tool in the Intelligent Transportation Systems (ITS) research. In the micro-simulation, a bottom up system can be built up by the interactions of vehicle agents, road agents, traffic lights agents, etc. The Artificial societies, Computational experiments, and Parallel execution (ACP) approach suggests integrating other metropolitan systems such as logistic, infrastructure, legal and regulatory, weather and environmental systems to build an Artificial Transportation System (ATS) to help solve ITS problems. This is reasonable as the transportation system is complex that is affected by many systems interacting with each other. However, there is a challenge that the computing burden can be very heavy as there can be many agents of different kinds interacting in parallel in ATS. In recent years, the Graphics Processing Units (GPUs) have been applied successfully in many areas for parallel computing. Compared with the traditional CPU cluster, GPU has an obvious advantage of low cost of hardware and electricity consumption. In this paper, we build a parallel traffic simulation module of ATS with GPU. The simulation results are reasonable and a maximum speedup factor of 105 is obtained compared with the CPU implementations. © 2012 IEEE.

关键词： Graphics processing unit

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