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Self-Awareness for Autonomous systems

PROCEEDINGS OF THE IEEE 2020年第7期108卷 971-975页

作者： Dutt, Nikil Regazzoni, Carlo S. Rinner, Bernhard Yao, Xin Nikil Dutt (Fellow IEEE) received the Ph.D. degree from the University of Illinois at Urbana–Champaign Champaign IL USA in 1989.""He is currently a Distinguished Professor of computer science (CS) cognitive sciences and electrical engineering and computer sciences (EECS) with the University of California at Irvine Irvine CA USA. He is a coauthor of seven books. His research interests include embedded systems electronic design automation (EDA) computer architecture distributed systems healthcare Internet of Things (IoT) and brain-inspired architectures and computing.""Dr. Dutt is a Fellow of ACM. He was a recipient of the IFIP Silver Core Award. He has received numerous best paper awards. He serves as the Steering Committee Chair of the IEEE/ACM Embedded Systems Week (ESWEEK). He is also on the steering organizing and program committees of several premier EDA and embedded system design conferences and workshops. He has served on the Editorial Boards for the IEEE Transactions on Very Large Scale Integration (VLSI) Systems and the ACM Transactions on Embedded Computing Systems and also previously served as the Editor-in-Chief (EiC) for the ACM Transactions on Design Automation of Electronic Systems. He served on the Advisory Boards of the IEEE Embedded Systems Letters the ACM Special Interest Group on Embedded Systems the ACM Special Interest Group on Design Automationt and the ACM Transactions on Embedded Computing Systems. Carlo S. Regazzoni (Senior Member IEEE) received the M.S. and Ph.D. degrees in electronic and telecommunications engineering from the University of Genoa Genoa Italy in 1987 and 1992 respectively.""He is currently a Full Professor of cognitive telecommunications systems with the Department of Electrical Electronics and Telecommunication Engineering and Naval Architecture (DITEN) University of Genoa and a Co-Ordinator of the Joint Doctorate on Interactive and Cognitive Environments (JDICE) international Ph.D. course started initially as EU Erasmus Mundus Project and

Autonomous systems are able to make decisions and potentially take actions without direct human intervention, which requires some knowledge about the system and its environment as well as goal-oriented reasoning. In computer systems, one can derive such behavior from the concept of a rational agent with autonomy (“control over its own actions”), reactivity (“react to events from the environment”), proactivity (“act on its own initiative”), and sociality (“interact with other agents”) as fundamental properties \n[1]\n. Autonomous systems will undoubtedly pervade into our everyday lives, and we will find them in a variety of domains and applications including robotics, transportation, health care, communications, and entertainment to name a few. \nThe articles in this month’s special issue cover concepts and fundamentals, architectures and techniques, and applications and case studies in the exciting area of self-awareness in autonomous systems.

关键词： Special issues and sections Autonomous systems Self-aware Robot sensing systems Computational modeling

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Hydro-char production from press-mud wastes of the sugarcane industry by hydrothermal treatment with natural zeolite addition

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AIP Conference Proceedings 2018年第1期2026卷

作者： Asroful Abidin Chandra Wahyu Purnomo Rochim Bakti Cahyono 1Master Program of System Engineering Universitas Gadjah Mada Yogyakarta Indonesia 2Chemical Engineering Department Universitas Gadjah Mada Yogyakarta Indonesia 3Agrotechnology Innovation Center PIAT-UGM Sleman Yogyakarta Indonesia

Hydrothermal treatment (HT) is a biomass conversion by thermal process that using water as solvent and reactant. This technology is superior in treating biomass with a high water content into char and liquid product. This research aims to observe the zeolite incorporation in HT as an additive material to increase the acidity for hydrolysis enhancement. The effects of temperature and zeolite addition on biochar of press-mud biomass characteristic has been observed. The temperature variation were 180, 200, and 220°C with a water-biomass ratio of 1:5 and residence time of sixty minutes. Zeolite was added as much as 20% of the sample weight. The HT char was characterized using proximate analysis, heating value, and FTIR. The solid product had a heating value from 1886.419 to 2047.559 cal/g. It is observed that temperature variation affect the caloric value, ash content, fix carbon, and energy densification, while zeolite addition increased solid yield, energy yield, and liquid product acidity.

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Sensing of streptococcus mutans by microscopic imaging ellipsometry

arXiv

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arXiv 2017年

作者： Khaleel, Mai Ibrahim Chen, Yu-Da Chien, Ching-Hang Chang, Yia-Chung Research Center for Applied Sciences Academia Sinica Taipei11529 Taiwan Nano Science and Technology Program Taiwan International Graduate Program Academia Sinica and National Tsing Hua University Taiwan Department of Engineering and System Science National Tsing Hua University Hsinchu30013 Taiwan

Microscopic Imaging Ellipsometry is an optical technique that uses an objective and sensing procedure to measure the ellipsometric parameters Ψ and Δ in the form of microscopic maps. This technique is well known for being non-invasive and label-free. Therefore it can be used to detect and characterize biological species without any impact. In this work MIE was used to measure the optical response of dried Streptococcus mutans cells on a glass substrate. The ellipsometric Ψ and Δ maps were obtained with Optrel Multiskop system for specular reflection in the visible range (λ= 450nm -750nm). The Ψ and Δ images at 500nm, 600nm, and 700nm were analyzed using three different theoretical models with single-bounce, two-bounce, and multi-bounce light paths to obtain the optical constants and height distribution. The obtained images of the optical constants show different aspects when comparing the single-bounce analysis with the two-bounce or multi-bounce analysis in detecting S. mutans samples. Furthermore, the height distributions estimated by two-bounce and multi-bounce analysis of S. mutans samples were in agreement with the thickness values measured by AFM, which implies that the two-bounce and multi-bounce analysis can provide information complementary to that obtained by single-bounce light path. Copyright © 2017, The Authors. All rights reserved.

关键词： Ellipsometry

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Products Analysis and Molecular identification of Flavonoids-Produce Endophytic fungi in Ginkgo Biloba

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IOP Conference Series: Earth and Environmental Science 2019年第4期371卷

作者： X.Y. Zhang X. Li M.M. Han Z.Y. Cai X. Gao M.X. Pang J.H. Qi F. Wang Beijing Key Laboratory of Agricultural Product Detection and Control of Spoilage Organisms and Pesticide Residue Beijing University of Agriculture Beijing 102206 China The Teaching Group of Food Chemistry Faculty of Food Science and Engineering Beijing University of Agriculture Beijing 102206 China Beijing Innovation Consortium of Swine Research System Beijing 102202 China Graduation Design of the 'Practical Training Program' for the Cross-Cultivation of High-Level Talents in Beijing Colleges and Universities 2018

Endophytic fungi (Y6, Y8, Y10, G8) of ginkgo were studied in this paper to clarify what species of them, what kind of flavonoids of their metabolite, and the bacteriostatic activity of fermentation liquid from endophytic fungi. Disc diffusion method was used to determine antibacterial properties that the target strains to dominant spoilage bacteria X15 (bacillus), T10 (proteus), X5 (aureus), N4 (Serratia marcescens) from low temperature meat products, the results showed that Y6, Y8 and Y10 had best strains antibacterial properties for X15, T10, N4, respectively, and G8 is the best strain in antibacterial performance. The metabolites of four endophytic fungi of ginkgo biloba were analysed by high performance liquid chromatography (HPLC), the results showed that quercetin and isorhamnetin were contained in the fermented liquid of Y6 strain, isorhamnetin and quercetin were contained in the fermented liquid of Y8 and Y10 respectively. Four strains were identified by molecular biology by extracting DNA, the result shows that Y6, Y8, Y10, G8 strains were Penicillium sp., Dothiorella gregaria., Phoma sp., Fusarium nematophilum.

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Experimental Study on the Scavenging Effect of Chestnut Flower Extract on Nitrite

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IOP Conference Series: Earth and Environmental Science 2019年第4期371卷

作者： Z.Y. Cai X.Y. Zhang M.M. Han X. Gao M.X. Pang J.H. Qi F. Wang Beijing Key Laboratory of Agricultural Product Detection and Control of Spoilage Organisms and Pesticide Residue Beijing University of Agriculture Beijing 102206 China The Teaching Group of Food Chemistry Faculty of Food Science and Engineering Beijing University of Agriculture Beijing 102206 China Beijing Innovation Consortium of Swine Research System Beijing 102202 China Graduation Design of the 'Practical Training Program' for the Cross-Cultivation of High-Level Talents in Beijing Colleges and Universities 2018

This paper aims to reveal the scavenging effects of chestnut flower extract on nitrite. The effects of extraction temperature, extraction time, ethanol concentration on the removal effect of nitrite were studied by single factor test and orthogonal test. The best conditions for removing nitrite in the result were shown as below: extraction temperature: 40 °C, ethanol concentration: 40%, extraction time: 1.5 h, and the maximum scavenging rate could reach 94% are the optimal conditions for its reaction with nitrite.

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Study on chemical properties of chestnut shell pigment

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IOP Conference Series: Earth and Environmental Science 2019年第4期371卷

作者： Xiang Gao M M Han X Y Zhang Z Y Cai Fang Wang M X Pang J H Qi Beijing Key Laboratory of Agricultural Product Detection and Control of Spoilage Organisms and Pesticide Residue BeijingUniversity of Agriculture Beijing 102206 China Francethe Teaching Group of Food Chemistry Faculty of Food Science and Engineering Beijing University of Agriculture Beijing 102206 China Beijing Innovation Consortium of Swine Researeh System Beijing 102202 China Graduation Design of the 'Practical Training Program' for the Cross-Cultivation of High-Level Talents in Beijing Colleges and Universities 2018

In this thesis, the chemical properties of chestnut shell pigments were mainly studied. Through a series of pigment stability experiments, it could be learned that the pigment of chestnut shell was sensitive to different pH and heat, stable to light, and had certain tolerance to oxidant H2O2 and reducing agent ascorbic acid. Mn2+ and Zn2+ had certain enhancement effects on color of the pigments. Cu2+, Fe2+, Fe3+ and Al3+ could destroy the stability of pigment, and caused precipitate. The pigment was also stable to the commonly used as food additives.

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Study on corruption bacteria in Beijing sausages

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IOP Conference Series: Earth and Environmental Science 2019年第4期371卷

Low-temperature meat products are very popular, but due to the characteristics of processing technology, there are still some heat-resistant microorganism residues after sterilization, which lead to its extremely vulnerable to corruption and short shelf-life. The spoilage discipline and mechanisms of Beijing sausages were summarized on the basis of spoilage bacteria isolation, identification and analysis. The main results were as follows: by using method of 16S rDNA sequence analysis, the main spoilage bacteria which isolated and identified from Beijing sausages were Pseudomonas sp, Staphylococcus sp, and Brochothrix sp. By denaturing gradient gelelectrophoresis(PCR-DGGE) analysis, there were 13 kinds of the spoilage bacteria of Beijing sausages, and Pseudomonas sp was the main spoilage bacteria.

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Author Correction: Stretchable, dynamic covalent polymers for soft, long-lived bioresorbable electronic stimulators designed to facilitate neuromuscular regeneration

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Nature communications 2021年第1期12卷 415页

作者： Yeon Sik Choi Yuan-Yu Hsueh Jahyun Koo Quansan Yang Raudel Avila Buwei Hu Zhaoqian Xie Geumbee Lee Zheng Ning Claire Liu Yameng Xu Young Joong Lee Weikang Zhao Jun Fang Yujun Deng Seung Min Lee Abraham Vázquez-Guardado Iwona Stepien Ying Yan Joseph W Song Chad Haney Yong Suk Oh Wentai Liu Hong-Joon Yoon Anthony Banks Matthew R MacEwan Guillermo A Ameer Wilson Z Ray Yonggang Huang Tao Xie Colin K Franz Song Li John A Rogers Center for Bio-Integrated Electronics Northwestern University Evanston IL 60208 USA. Querrey Simpson Institute for Biotechnology Northwestern University Evanston IL 60208 USA. Department of Materials Science and Engineering Northwestern University Evanston IL 60208 USA. Department of Bioengineering University of California Los Angeles Los Angeles CA 90095 USA. Division of Plastic and Reconstructive Surgery Department of Surgery National Cheng Kung University Hospital College of Medicine National Cheng Kung University Tainan 70456 Taiwan. International Research Center for Wound Repair and Regeneration National Cheng Kung University Tainan 70456 Taiwan. School of Biomedical Engineering Korea University Seoul 02841 Republic of Korea. Interdisciplinary Program in Precision Public Health Korea University Seoul 02841 Republic of Korea. Department of Mechanical Engineering Northwestern University Evanston IL 60208 USA. Department of Medicine University of California Los Angeles Los Angeles CA 90095 USA. State Key Laboratory of Structural Analysis for Industrial Equipment Dalian University of Technology 116024 Dalian China. Department of Engineering Mechanics Dalian University of Technology 116024 Dalian China. International Research Center for Computational Mechanics Dalian University of Technology 116024 Dalian China. State Key Laboratory of Chemical Engineering College of Chemical and Biological Engineering Zhejiang University 310027 Hangzhou China. Department of Biomedical Engineering Northwestern University Evanston IL 60208 USA. State Key Laboratory of Mechanical System and Vibration Shanghai Jiao Tong University 200240 Shanghai China. Center for Developmental Therapeutics Chemistry Life Processes Institute Northwestern University Evanston IL 60208 USA. Department of Neurological Surgery Washington University School of Medicine St. Louis MO 63110 USA. Center for Advanced Molecular Imaging Northwestern University Evanston IL

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Separating and Purifying of Endophytic Fungi from Ginkgo Biloba and Screening of Flavonoid-Producing Strains

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IOP Conference Series: Earth and Environmental Science 2019年第4期371卷

In order to screen the endophytic fungi of ginkgo biloba with high flavonoid yield, the surface of the sample was disinfected by immersing with 75% ethanol, 3% sodium hypochlorite and sterile water alternating. The endophytic fungi of ginkgo biloba were separated by tissue culture method. 47 strains of endophytic fungi were obtained, and 16, 17 and 14 strains were found in the branches, leaves and roots respectively. The flavonoid-producing strains and its content of total flavonoids in the fermentation broth were determined by chromogenic reaction and colorimetric method of aluminum chloride respectively. Finally, four strains with the highest flavonoid-producing (Y6, Y8, Y10 and G8) were screened, and theirs total flavonoids content in the fermentation broth were 25.33±1.29 mg/L, 32.04±1.38 mg/L, 20.48±0.83 mg/L and 20.19±1.59 mg/L respectively.

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Proposal of a Hotspot-based Approach to Identifying Social Impacts along the Product-Service systems Life Cycle in the Early Design Phases

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Procedia CIRP 2017年 64卷 85-90页

作者： Thayla T. Sousa-Zomer Paulo A. Cauchick-Miguel Post-graduate Program in Production Engineering Federal University of Santa Catarina Campus Universitário Trindade Caixa Postal 476 88040-970 Florianópolis SC Brazil Production and System Engineering Department Federal University of Santa Catarina Campus Universitário Trindade Caixa Postal 476 88040-970 Florianópolis SC Brazil

The potential for sustainability has been highlighted as one of the most important characteristics of product-service systems (PSS). Nevertheless, a PSS is not intrinsically sustainable. Methods and tools for PSS sustainability assessment should be developed to be integrated into the design process, especially in the early design phases, in order to conceive sustainable solutions. In addition, a PSS should be planned considering the three sustainability dimensions, from a life cycle perspective. However, PSS design and assessment considering the full life cycle is scarcely addressed in the literature, especially concerning the social dimension of sustainability. In this sense, this study proposes a streamlined life cycle assessment based approach to identify potential social impacts along the PSS life cycle that can be integrated into the early PSS design stages. The proposal is based on a hotspot analysis, which identifies where in the life cycle the most significant issues may occur. The proposal was developed in three main phases, anchored in both hotspots analysis and PSS literature. After developing it, 10 experts in PSS and sustainability assessed the proposal strengths and weakness. Some suggestions were offered by the researchers and improvements were introduced to the proposal regarding PSS life cycle phases and the social impact subcategories. The experts considered the hotspot analysis suitable to be applied in the early design stages when there is not much information yet regarding the system to conduct a complete life cycle assessment. The next step of this research is the proposal assessment by practitioners in industry. Further work will also integrate the environmental dimension of sustainability into the proposal.

关键词： sustainable product-service systems sustainability assessment social impacts early design stages

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