Gotowe bibliografie tematyczne / Sequence design

Gotowa bibliografia na temat „Sequence design”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 1 lutego 2022

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Artykuły w czasopismach na temat "Sequence design"

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Jedwab, Jonathan, i Mark Strange. "Wavelength Isolation Sequence Design". IEEE Transactions on Information Theory 59, nr 5 (maj 2013): 3210–14. http://dx.doi.org/10.1109/tit.2013.2241391.

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Norn, Christoffer, Basile I. M. Wicky, David Juergens, Sirui Liu, David Kim, Doug Tischer, Brian Koepnick, Ivan Anishchenko, David Baker i Sergey Ovchinnikov. "Protein sequence design by conformational landscape optimization". Proceedings of the National Academy of Sciences 118, nr 11 (12.03.2021): e2017228118. http://dx.doi.org/10.1073/pnas.2017228118.

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The protein design problem is to identify an amino acid sequence that folds to a desired structure. Given Anfinsen’s thermodynamic hypothesis of folding, this can be recast as finding an amino acid sequence for which the desired structure is the lowest energy state. As this calculation involves not only all possible amino acid sequences but also, all possible structures, most current approaches focus instead on the more tractable problem of finding the lowest-energy amino acid sequence for the desired structure, often checking by protein structure prediction in a second step that the desired structure is indeed the lowest-energy conformation for the designed sequence, and typically discarding a large fraction of designed sequences for which this is not the case. Here, we show that by backpropagating gradients through the transform-restrained Rosetta (trRosetta) structure prediction network from the desired structure to the input amino acid sequence, we can directly optimize over all possible amino acid sequences and all possible structures in a single calculation. We find that trRosetta calculations, which consider the full conformational landscape, can be more effective than Rosetta single-point energy estimations in predicting folding and stability of de novo designed proteins. We compare sequence design by conformational landscape optimization with the standard energy-based sequence design methodology in Rosetta and show that the former can result in energy landscapes with fewer alternative energy minima. We show further that more funneled energy landscapes can be designed by combining the strengths of the two approaches: the low-resolution trRosetta model serves to disfavor alternative states, and the high-resolution Rosetta model serves to create a deep energy minimum at the design target structure.
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Moinuddin, Mohd Moazzam, Mallikarjuna Reddy. Y, Pasha I. A . i Lal Kishore K. "Mono-alphabetic Poly-semantic Sequence Design for HRR Target Detection". International Journal of Engineering and Technology 2, nr 3 (2010): 238–44. http://dx.doi.org/10.7763/ijet.2010.v2.127.

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Carter, Charles W. "Sequence-Leveled Experimental Designs. Part II. Design Construction". Quality Engineering 8, nr 2 (grudzień 1995): 361–66. http://dx.doi.org/10.1080/08982119508904633.

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Mach, Paul, i Patrice Koehl. "Capturing protein sequence-structure specificity using computational sequence design". Proteins: Structure, Function, and Bioinformatics 81, nr 9 (20.06.2013): 1556–70. http://dx.doi.org/10.1002/prot.24307.

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Jonsson, Jögen, Torbjörn Norberg, Lena Carlsson, Claes Gustafsson i Svante Wold. "Quantitative sequence-activity models (QSAM)—tools for sequence design". Nucleic Acids Research 21, nr 3 (1993): 733–39. http://dx.doi.org/10.1093/nar/21.3.733.

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Helander, Martin G., i Li Lin. "Optimal Sequence in Product Design". Proceedings of the Human Factors and Ergonomics Society Annual Meeting 42, nr 6 (październik 1998): 569–73. http://dx.doi.org/10.1177/154193129804200610.

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This paper introduces Axiomatic Design (AD) for top-down design of ergonomics systems. The Independence Axiom was used to demonstrate how design activity can be structured to simplify the design process. Functional Requirements (FR) are first specified at a high level of abstraction and corresponding high level Design Parameters (DP) are generated. Then lower level Functional requirements are generated, and corresponding lower level Design Parameters. To avoid iterative improvements of design, one should strive for a decoupled design. This means that for each Functional Requirement there should ideally be only one Design Parameter - and this design parameter should satisfy only one functional requirement. Two case studies were used to illustrate the AD procedure.
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Kusui, Yoichi, Takeshi Kohno, Takashi Takayanagi, Hiroyuki Ikemoto i Yoshinori Tsuchiya. "System Sequence Design Tool "SSD"". IFAC Proceedings Volumes 20, nr 9 (sierpień 1987): 481–86. http://dx.doi.org/10.1016/s1474-6670(17)55753-5.

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Arita, Masanori, i Satoshi Kobayashi. "DNA sequence design using templates". New Generation Computing 20, nr 3 (wrzesień 2002): 263–77. http://dx.doi.org/10.1007/bf03037360.

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Todd Monroe, W., i Frederick R. Haselton. "Molecular Beacon Sequence Design Algorithm". BioTechniques 34, nr 1 (styczeń 2003): 68–73. http://dx.doi.org/10.2144/03341st02.

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Rozprawy doktorskie na temat "Sequence design"

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Yu, Li. "Typography in film title sequence design". [Ames, Iowa : Iowa State University], 2008.

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Krüger, Ingolf. "Distributed system design with message sequence charts". [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=959973885.

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Chen, Riqing. "Polyphase spreading sequence design for spread spectrum systems". Thesis, University of Oxford, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.509906.

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Ratanalert, Sakul. "Sequence design principles for 3D wireframe DNA origami". Thesis, Massachusetts Institute of Technology, 2018. https://hdl.handle.net/1721.1/121818.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemical Engineering, 2018
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 143-151).
DNA is a highly programmable molecule that can be designed to self-assemble into nearly arbitrary 2D and 3D nanoscale structures. DNA origami is a particularly versatile method to achieve complex molecular architectures. However, the rules for designing scaffolded DNA origami have not been well-formalized, which hinders both the investigation of characteristics of well- and poorly-folded structures as well as the participation of a larger scientific audience in DNA nanotechnology. In my thesis work, a fully automatic inverse design procedure DAEDALUS (DNA Origami Sequence Design Algorithm for User-defined Structures) has been developed that programs arbitrary wireframe DNA assemblies based on an input wireframe mesh without reliance on user feedback. This general, top-down strategy is able to design nearly arbitrary DNA architectures, routing the scaffold strand using a spanning tree algorithm and adding staple strands in a prescribed manner. The wireframe nanoparticles produced can use antiparallel crossover (DX) motifs, for robust selfassembly, parallel paranemic crossover (PX) motifs, for staple-free self-assembly, or a hybrid of the two, to minimize the number of staples required for folding to the ones necessary for functionalization. The thermodynamics of the self-assembly of these wireframe structures, and the effects of scaffold and staple routing, are investigated using quantitative PCR and FRET measurements, tracking fluorescence to elucidate global and local folding events. The framework developed should enable the broad participation of nonexperts in this powerful molecular design paradigm and set the foundation for further predictive models of DNA self-assembly.
by Sakul Ratanalert.
Ph. D.
Ph.D. Massachusetts Institute of Technology, Department of Chemical Engineering
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Yang, Jie. "Spreading sequence design for relay networks under multipath fading". Diss., Wichita State University, 2014. http://hdl.handle.net/10057/10946.

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Multipath frequency-selective fading can degrade the performance of a wireless communication system significantly as the data rate increases, e.g., when the data rate is as high as those of systems beyond long-term evolution (LTE)-Advanced. An effective method to combat multipath fading is a code division multiple access (CDMA) scheme. The objective of this dissertation is to present an effective method in designing nonbinary, secure, and optimum spreading and despreading pseudo noise (PN) sequences for CDMA multi-relay networks under frequency-selective fading by employing a maximum signal-to-interference-plus-noise ratio (SINR) criterion. This dissertation assumes that channel state information (CSI) is known at a central station such as a cloud radio access network (CRAN), which computes the optimum PN sequences and forwards them to both sources and destinations. This dissertation considers both partially and fully connected relay networks consisting of multiple sources, multiple relays, and multiple destinations. Direct links from sources to destinations are available in fully connected relay networks, whereas they are not available in partially connected relay networks. This dissertation also finds the optimum PN spreading and despreading sequences jointly and iteratively using the proposed novel method for multiple sources and destinations. Furthermore, it examines the sensitivity of the proposed schemes to imperfect CSI and wideband jamming. Simulation results verify that the proposed method can effectively improve system performance and can converge much faster in finding optimum PN sequences jointly for multiple sources and destinations than existing schemes under the same environment.
Thesis (Ph.D.)-- Wichita State University, College of Engineering, Dept. of Electrical Engineering and Computer Science
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Kim, Hyunkee. "Computer aided product and sequence design for cold forging /". The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487853913099622.

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Chreitah, B. "Rapid synchronization techniques for direct sequence spread spectrum systems". Thesis, University of Strathclyde, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381111.

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Kim, Sooyoung. "Spatial sequence in the historic gardens". Thesis, Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/53224.

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In designing spaces, designers should consider spatial sequence and its experiences, since we experience environment in a sequence along movement. The more a place satisfies desired experiences, the more the place will be successful. This thesis explored spatial sequence as a design tool by examining the major design elements of spatial sequence, the designed patterns of these elements in some cultures, and the sequential experiences and effects of the patterns. As a way of exploring spatial sequence as a design tool, cases in formal classic landscapes (Korean temples, Mughul gardens in Kashmir and Italian villas) have been examined. Classic landscapes have developed elaborate sequential patterns to achieve certain experiences and effects. Especially, the spatial sequence of classic formal landscapes is designed to be experienced along a major axis and to show straight forward and highly controlled sequence. Thus, classic formal landscapes are good examples of showing strong relationship between spatial sequence and spatial experiences. The three landscapes are examined and compared in terms of change of level, change of spatial characteristics and transition places to explore spatial sequence and sequential experiences. The results of this research showed that the designers of these landscapes deliberately used - spatial sequence to elicit certain emotional responses and experiences specifically desired under the contexts and purposes of the places. Korean temples located in the mountains provide good nature-reIated experiences and religious-but-inspiring experiences. The temple designers created delicate yet powerful sequential experiences through the effective use of site conditions and landscape elements. The designers of Mughul gardens worked to create cool and friendly spatial experiences in the hot climate and vast landscapes. They utilized water and planting materials in various ways to give a refreshing and intimate feeling through the whole sequence. Spatial sequences of Italian villas are designed to add to the pure pleasure of the residences and thus show the most articulated sequence design. Especially, level changes, as one of the sequential elements, have been used effectively to create or increase certain sequential experiences. ln Korean temples, the irregular slopes of sites are shaped sometimes into even and constant rises or sometimes into a rapid rise to make various sequential effects. The Mughuls deliberately made small level changes out of flat plains to create an intimate sequence. The Italians used level changes to create a vivid sequence. The steep slopes of hillsides are altered in two opposite directions: horizontally wide and vertically high. The existing site conditions are utilized and modified in various ways to make specific sequential experiences and effects. The findings confirm that spatial sequence is an effective design device which can satisfy desired experiences and thus can create successful places. Good sequence is the one that is appropriate for its purpose and for the context in which it belongs. More concern for and more understanding of spatial sequence will enable the designer to create an environment that will provide more pleasing spatial experiences.
Master of Landscape Architecture
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Bienert, Stefan [Verfasser], i Andrew [Akademischer Betreuer] Torda. "RNA Energetics And Sequence Design / Stefan Bienert. Betreuer: Andrew Torda". Hamburg : Staats- und Universitätsbibliothek Hamburg, 2016. http://d-nb.info/1093411449/34.

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Nagendra, Somanath. "Optimal stacking sequence design of stiffened composite panels with cutouts". Diss., This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06062008-170635/.

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Książki na temat "Sequence design"

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Mike, Darnell, red. Sequence design for communications applications. Taunton, Somerset, England: Research Studies Press, 1996.

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Mow, Wai Ho. Sequence design for spread spectrum. Sha Tin, Hong Kong: Chinese University Press, 1995.

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Haacke, E. Mark. Magnetic resonance imaging: Physical principles and sequence design. New York: Springer Verlag, 1996.

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Sims, Paul. Computer-aided sequence and die design for precision forging. Birmingham: University of Birmingham, 1988.

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author, Belazzougui Djamal, Cunial Fabio author i Tomescu Alexandru I. author, red. Genome-scale algorithm design: Biological sequence analysis in the era of high-throughput sequencing. Cambridge, United Kingdom: University Printing House, 2015.

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Geoffrey, Lord, red. Access for disabled people to arts premises: The journey sequence. Amsterdam: Elsevier, Architectural Press, 2004.

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Kuri, Joy. On the optimal allocation of customers that must depart in sequence. Bangalore: Dept. of Electrical Communication Engineering, Indian Institute of Science, 1990.

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K, Brodzik Andrzej, i Tolimieri Richard 1940-, red. Ideal sequence design in time-frequency space: Applications to radar, sonar, and communication systems. Boston, Mass: Birkhäuser, 2009.

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Maracy, Abdolali. Computed aided sequence and die design for cold and warm forging of axisymmetric parts. Birmingham: University of Birmingham, 1992.

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Pogonin, Anatoliy, Ivan Shrubchenko i Aleksandr Afanas'ev. Design of technological schemes and equipment. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1524190.

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The tutorial discusses the beginning of the technological design of the production of parts. The schemes of setting up the machines are presented. The basics of designing technological equipment are described. The recommended stages of design work, their content and sequence of execution, as well as the order and methods of performing various engineering calculations are given. Examples are given that allow to intensify practical classes. For students of higher educational institutions.
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Części książek na temat "Sequence design"

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Hassan, Amer A., John E. Hershey i Gary J. Saulnier. "Spreading Sequence Design". W Perspectives in Spread Spectrum, 1–33. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5531-5_1.

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Mozhdehi, Davoud, Kelli M. Luginbuhl, Stefan Roberts i Ashutosh Chilkoti. "Design of Sequence-Specific Polymers by Genetic Engineering". W Sequence-Controlled Polymers, 91–115. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2017. http://dx.doi.org/10.1002/9783527806096.ch4.

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MacDonald, James T., i Velia Siciliano. "Computational Sequence Design with R2oDNA Designer". W Methods in Molecular Biology, 249–62. New York, NY: Springer New York, 2017. http://dx.doi.org/10.1007/978-1-4939-7223-4_18.

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Taeihagh, Araz. "How to Sequence Policies". W Routledge Handbook of Policy Design, 435–55. New York, NY : Routledge, 2018.: Routledge, 2018. http://dx.doi.org/10.4324/9781351252928-29.

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Martens, Steven, Joshua O. Holloway i Filip E. Du Prez. "Click and Click-Inspired Chemistry for the Design of Sequence-Controlled Polymers". W Sequence-Controlled Polymers, 379–416. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2017. http://dx.doi.org/10.1002/9783527806096.ch13.

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Schotten, Hans D. "Sequence Design for CDMA Systems". W Difference Sets, Sequences and their Correlation Properties, 369–92. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4459-9_15.

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Fassina, Giorgio, Snorri S. Thorgeirsson i James G. Omichinski. "Sequence Directed Design of Recognition Peptides". W Methods in Protein Sequence Analysis, 431–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73834-0_58.

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Kidder, A. V. "A Design-Sequence from New Mexico". W Americanist Culture History, 91–92. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4615-5911-5_9.

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Lown, J. William. "Design of Sequence-specific Agents: Lexitropsins". W Molecular Aspects of Anticancer Drug-DNA Interactions, 322–55. London: Macmillan Education UK, 1993. http://dx.doi.org/10.1007/978-1-349-12356-8_11.

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Khokhlov, Alexei R., Victor A. Ivanov, Alexander V. Chertovich, Alexei A. Lazutin i Pavel G. Khalatur. "Conformation-Dependent Sequence Design of Copolymers". W Structure and Dynamics of Confined Polymers, 333–50. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0401-5_21.

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Streszczenia konferencji na temat "Sequence design"

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Ye, ChangMin, Vladimir Kornijcuk, Jeeson Kim i Doo Seok Jeong. "FPGA implementation of sequence-to-sequence predicting spiking neural networks". W 2020 International SoC Design Conference (ISOCC). IEEE, 2020. http://dx.doi.org/10.1109/isocc50952.2020.9332910.

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Zhu, Xiaowei, Hui Wang, S. Jack Hu i Yoram Koren. "Build Sequence Scheduling to Minimize Complexity in Mixed-Model Assembly Lines". W ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2008. http://dx.doi.org/10.1115/esda2008-59061.

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Build sequence scheduling is an important topic in mixed-model production. It is to determine the order of products being built in the assembly line. Significant research has been conducted to determine good sequences based on various criteria. For example, in Just-In-Time production systems, optimal sequences are searched to minimize the variation in the rate at which different parts were consumed. This paper discusses the selection of optimal build sequences based on complexity introduced by product variety in mixed-model assembly line. The complexity was defined as the information entropy that operator processes during assembly, which indirectly measures the human performance in making choices, such as selecting parts, tools, fixtures, and assembly procedures in a multi-product, multi-stage, manual assembly environment. In an earlier paper by the authors, a simple version of complexity measure has been developed for i.i.d. (independent identically distributed) sequences. This paper extends the concept and takes into account the sequential dependence of the choices and its impact on build sequence schedules. A model based on Hidden Markov Chain is proposed to model the sequence scheduling problem with the constraints by spacing rules. Methodologies developed in this paper enhance the previous work on modeling complexity, and provide solution strategies for build sequence scheduling to minimize complexity.
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Beranek, John M., i Debasish Dutta. "On the Automatic Generation of Assembly Sequences for Polyhedral Assemblies". W ASME 1991 Design Technical Conferences. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/detc1991-0168.

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Abstract We consider the problem of automatically generating all sequences for assembling a product. The individual components of the product are restricted to be polyhedra. Each node of the assembly tree represents a component and every branch from a leaf node to the root of the tree represents a feasible assembly sequence. The capability to generate all feasible assembly sequences, based purely on geometry, is necessary for deriving a good sequence based upon other criteria such as robot motion, fixturing and part stability.
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Smith, Shana, i Wei-Han Chen. "Multiple-Target Selective Disassembly Sequence Planning With Disassembly Sequence Structure Graphs". W ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-70154.

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Modern green products must be easy to disassemble. Selective disassembly is used to access and remove specific product components for reuse, recycling, or remanufacturing. Early related studies developed various heuristic or graph-based approaches for single-target selective disassembly. More recent research has progressed from single-target to multiple-target disassembly, but disassembly model complexity and multiple constraints, such as fastener constraints and disassembly directions, still have not been considered thoroughly. In this study, a new graph-based method using disassembly sequence structure graphs (DSSGs) was developed for multiple-target selective disassembly sequence planning. The DSSGs are built using expert rules, which eliminate unrealistic solutions and minimize graph size, which reduces searching time. Two or more DSSGs are combined into one DSSG for accessing and removing multiple target components. In addition, a genetic algorithm is used to decode graphical DSSG information into disassembly sequences and optimize the results. Using a GA to optimize results also reduces searching time and improves overall performance, with respect to finding global optimal solutions. Case studies show that the developed method can efficiently find realistic near-optimal multiple-target selective disassembly sequences for complex products.
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Spensieri, Domenico, Johan S. Carlson, Robert Bohlin i Rikard So¨derberg. "Integrating Assembly Design, Sequence Optimization, and Advanced Path Planning". W ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/detc2008-49760.

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Assembling a product is a delicate process at the borderline between design and manufacturing. Shortening the time between them plays a central role both for quality assurance and fast time to market. In this paper, we describe an automatic tool based on a new method, integrating assembly design, sequence optimization, and advanced rigid body path planning. First, we introduce a greedy algorithm for assembling a product, part by part, based on state-of-the-art path planning. We exploit all the six degrees of freedom of a rigid body to search for collision-free paths, instead of limited motions. Then, we use assembly design in order to limit the search for an optimal assembling sequence and to guarantee geometrical quality among the sequences examined. Disassembly path planning is used here to further cut the state space and to give a quality measure to the sequences. Eventually, we present results for an industrial test case, which has been successfully solved by applying our method.
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Sarin, S. C., i C. J. Desai. "An Integrated Approach to the Optimal Sequencing of Robot Operations in a Workcell". W ASME 1988 Design Technology Conferences. American Society of Mechanical Engineers, 1988. http://dx.doi.org/10.1115/detc1988-0058.

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Abstract In this paper we develop an integrated approach to optimally sequence robot operation in a workcell. The workcell represents a flowshop containing multiple robots with known inverse kinematic solution that are used to transport jobs among machines. The objeotive is to determine the sequence of robot operations so as to minimize the total time needed to complete all jobs (known as makespan). The integrated approach consists of determining optimal robot task sequences using a branch and bound procedure, and a graphical simulation procedure to display robot motion during the performance of transport operations. The graphical simulation is used to detect interference among robots which is hard to be incorporated in the branch and bound procedure. Infeasible robot sequences are discarded and other solutions from the branch and bound procedure are displayed using the graphical simulation procedure to determine a near optimal and feasible sequence. The integrated approach is implemented on a prototype system.
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Hsieh, Hsin-I., i Lung-Wen Tsai. "Power Loss Analysis and the Selection of a Most Efficient Clutching Sequence Associated With an Automatic Transmission Mechanism". W ASME 1997 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/detc97/dac-3756.

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Abstract This paper presents a methodology for the identification of a most promising clutching sequence associated with an epicyclic-type automatic transmission mechanism. First, a methodology for the analysis of torque distribution on the links of an epicyclic gear mechanism is described. Then, the power loss relations associated with various clutching sequences of an epicyclic gear mechanism are derived. Finally, a procedure for the selection of a most efficient clutching sequence associated with a transmission mechanism is developed.
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Sarvananthan, V. C., i P. C. Pandey. "An Automated Assembly Sequence Planing System for Mechanical Parts". W ASME 1998 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/detc98/flex-6015.

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Abstract This work provides a software system, which can automatically determine the assembly sequence of a product from its parts, given only a geometric description of the assembly. A simple closed envelope method for product geometry representation, and an efficient matrix method to represent contact and interference relations among the parts were successfully used in this work. The possible sub-assemblies are automatically detected by satisfying some mathematical conditions applicable to these matrices. Possible assembly sequences are generated for each sub-assembly and for the whole product. Furthermore, the algorithms are successfully examined with several industrial products.
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Sebaaly, Milad Fares, i Hideo Fujimoto. "Automatic Assembly Sequence Planning With Fuzzy Graph Representation and Genetic Search". W ASME 1996 Design Engineering Technical Conferences and Computers in Engineering Conference. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-detc/cie-1322.

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Abstract The Assembly Sequence Planning (ASP) problem is a complicated task that is still performed manually in most advanced industries. It consists of finding the best or optimal sequence to assemble a certain product, given its CAD design. Although it seems simple at first, its complexity drastically increases with increasing numbers of product parts, so that complexity is very high for most actual industrial products. Many ASP planners have been developed by researchers to automate this problem, but most of these are not practical and general enough to deal with actual industrial products. One of the main disadvantages is that these planners perform an extensive search of all possible sequences in order to choose the optimal solution. Another rather important disadvantage is that most generated sequences are linear, i.e. one part is assembled at a time, or have very simplistic plan generation. Sebaaly and Fujimoto (1996) introduced a novel approach to overcome the first disadvantage by applying genetic algorithms. A best-so-far solution is reached without searching the complete set of possible candidates, and the search is performed on a sequence population basis rather than on parts basis. However, this method is restricted to generating linear sequences only. This paper addresses improving that approach to generate more general solutions, by introducing an assembly fuzzy graph representation that can represent both linear and non-linear sequences. The sequences search space is thus extended to include all feasible combinations of linear and non-linear assembly operations. From the set of assembly rules and constraints of a certain product, a set of assembly stages is defined, such that every assembly operation is assigned to a certain stage according to its position in the set of constraints. A fuzzy relation is then defined as a grade of connectivity between product parts. Based on this relation, a fuzzy graph connecting the product parts is generated. This graph can represent both linear and non-linear sequences. After that, the algorithm of Sebaaly and Fujimoto (1996) is improved to deal with the new search space. The new modified algorithm is applied to a practical example from industry where the applicability and capability of the new algorithm are confirmed.
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Zhang, Nan, Zhenyu Liu, Chan Qiu i Jianrong Tan. "A Novel Assembly Sequence Design Mechanism for Assembly Sequence Planning". W 2020 IEEE 7th International Conference on Industrial Engineering and Applications (ICIEA). IEEE, 2020. http://dx.doi.org/10.1109/iciea49774.2020.9102101.

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Raporty organizacyjne na temat "Sequence design"

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Hart, W. E. On the computational complexity of sequence design problems. Office of Scientific and Technical Information (OSTI), grudzień 1996. http://dx.doi.org/10.2172/425316.

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Ammar, H. H. The Development of a Course Sequence in Real-Time Systems Design. Fort Belvoir, VA: Defense Technical Information Center, sierpień 1993. http://dx.doi.org/10.21236/ada269459.

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Tarko, Andrew P., Mario Romero, Cristhian Lizarazo i Paul Pineda. Statistical Analysis of Safety Improvements and Integration into Project Design Process. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317121.

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RoadHAT is a tool developed by the Center for Road Safety and implemented for the INDOT safety management practice to help identify both safety needs and relevant road improvements. This study has modified the tool to facilitate a quick and convenient comparison of various design alternatives in the preliminary design stage for scoping small and medium safety-improvement projects. The modified RoadHAT 4D incorporates a statistical estimation of the Crash Reduction Factors based on a before-and-after analysis of multiple treated and control sites with EB correction for the regression-to-mean effect. The new version also includes the updated Safety Performance Functions, revised average costs of crashes, and the comprehensive table of Crash Modification Factors—all updated to reflect current Indiana conditions. The documentation includes updated Guidelines for Roadway Safety Improvements. The improved tool will be implemented at a sequence of workshops for the final end users and preceded with a beta-testing phase involving a small group of INDOT engineers.
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Petrie, John, Yan Qi, Mark Cornwell, Md Al Adib Sarker, Pranesh Biswas, Sen Du i Xianming Shi. Design of Living Barriers to Reduce the Impacts of Snowdrifts on Illinois Freeways. Illinois Center for Transportation, listopad 2020. http://dx.doi.org/10.36501/0197-9191/20-019.

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Blowing snow accounts for a large part of Illinois Department of Transportation’s total winter maintenance expenditures. This project aims to develop recommendations on the design and placement of living snow fences (LSFs) to minimize snowdrift on Illinois highways. The research team examined historical IDOT data for resource expenditures, conducted a literature review and survey of northern agencies, developed and validated a numerical model, field tested selected LSFs, and used a model to assist LSF design. Field testing revealed that the proper snow fence setback distance should consider the local prevailing winter weather conditions, and snow fences within the right-of-way could still be beneficial to agencies. A series of numerical simulations of flow around porous fences were performed using Flow-3D, a computational fluid dynamics software. The results of the simulations of the validated model were employed to develop design guidelines for siting LSFs on flat terrain and for those with mild slopes (< 15° from horizontal). Guidance is provided for determining fence setback, wind characteristics, fence orientation, as well as fence height and porosity. Fences comprised of multiple rows are also addressed. For sites with embankments with steeper slopes, guidelines are provided that include a fence at the base and one or more fence on the embankment. The design procedure can use the available right-of-way at a site to determine the appropriate fence characteristics (e.g., height and porosity) to prevent snow deposition on the road. The procedure developed in this work provides an alternative that uses available setback to design the fence. This approach does not consider snow transport over an entire season and may be less effective in years with several large snowfall events, very large single events, or a sequence of small events with little snowmelt in between. However, this procedure is expected to be effective for more frequent snowfall events such as those that occurred over the field-monitoring period. Recommendations were made to facilitate the implementation of research results by IDOT. The recommendations include a proposed process flow for establishing LSFs for Illinois highways, LSF siting and design guidelines (along with a list of suitable plant species for LSFs), as well as other implementation considerations and identified research needs.
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Belcher, Angela M. Designed Electroresponsive Biomaterials: Sequence-Controlled Behavior. Fort Belvoir, VA: Defense Technical Information Center, czerwiec 2010. http://dx.doi.org/10.21236/ada533811.

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Farhi, Edward, i Hartmut Neven. Classification with Quantum Neural Networks on Near Term Processors. Web of Open Science, grudzień 2020. http://dx.doi.org/10.37686/qrl.v1i2.80.

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We introduce a quantum neural network, QNN, that can represent labeled data, classical or quantum, and be trained by supervised learning. The quantum circuit consists of a sequence of parameter dependent unitary transformations which acts on an input quantum state. For binary classification a single Pauli operator is measured on a designated readout qubit. The measured output is the quantum neural network’s predictor of the binary label of the input state. We show through classical simulation that parameters can be found that allow the QNN to learn to correctly distinguish the two data sets. We then discuss presenting the data as quantum superpositions of computational basis states corresponding to different label values. Here we show through simulation that learning is possible. We consider using our QNN to learn the label of a general quantum state. By example we show that this can be done. Our work is exploratory and relies on the classical simulation of small quantum systems. The QNN proposed here was designed with near-term quantum processors in mind. Therefore it will be possible to run this QNN on a near term gate model quantum computer where its power can be explored beyond what can be explored with simulation.
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Viswanathan, Meera, Jennifer Cook Middleton, Alison Stuebe, Nancy Berkman, Alison N. Goulding, Skyler McLaurin-Jiang, Andrea B. Dotson i in. Maternal, Fetal, and Child Outcomes of Mental Health Treatments in Women: A Systematic Review of Perinatal Pharmacologic Interventions. Agency for Healthcare Research and Quality (AHRQ), kwiecień 2021. http://dx.doi.org/10.23970/ahrqepccer236.

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Background. Untreated maternal mental health disorders can have devastating sequelae for the mother and child. For women who are currently or planning to become pregnant or are breastfeeding, a critical question is whether the benefits of treating psychiatric illness with pharmacologic interventions outweigh the harms for mother and child. Methods. We conducted a systematic review to assess the benefits and harms of pharmacologic interventions compared with placebo, no treatment, or other pharmacologic interventions for pregnant and postpartum women with mental health disorders. We searched four databases and other sources for evidence available from inception through June 5, 2020 and surveilled the literature through March 2, 2021; dually screened the results; and analyzed eligible studies. We included studies of pregnant, postpartum, or reproductive-age women with a new or preexisting diagnosis of a mental health disorder treated with pharmacotherapy; we excluded psychotherapy. Eligible comparators included women with the disorder but no pharmacotherapy or women who discontinued the pharmacotherapy before pregnancy. Results. A total of 164 studies (168 articles) met eligibility criteria. Brexanolone for depression onset in the third trimester or in the postpartum period probably improves depressive symptoms at 30 days (least square mean difference in the Hamilton Rating Scale for Depression, -2.6; p=0.02; N=209) when compared with placebo. Sertraline for postpartum depression may improve response (calculated relative risk [RR], 2.24; 95% confidence interval [CI], 0.95 to 5.24; N=36), remission (calculated RR, 2.51; 95% CI, 0.94 to 6.70; N=36), and depressive symptoms (p-values ranging from 0.01 to 0.05) when compared with placebo. Discontinuing use of mood stabilizers during pregnancy may increase recurrence (adjusted hazard ratio [AHR], 2.2; 95% CI, 1.2 to 4.2; N=89) and reduce time to recurrence of mood disorders (2 vs. 28 weeks, AHR, 12.1; 95% CI, 1.6 to 91; N=26) for bipolar disorder when compared with continued use. Brexanolone for depression onset in the third trimester or in the postpartum period may increase the risk of sedation or somnolence, leading to dose interruption or reduction when compared with placebo (5% vs. 0%). More than 95 percent of studies reporting on harms were observational in design and unable to fully account for confounding. These studies suggested some associations between benzodiazepine exposure before conception and ectopic pregnancy; between specific antidepressants during pregnancy and adverse maternal outcomes such as postpartum hemorrhage, preeclampsia, and spontaneous abortion, and child outcomes such as respiratory issues, low Apgar scores, persistent pulmonary hypertension of the newborn, depression in children, and autism spectrum disorder; between quetiapine or olanzapine and gestational diabetes; and between benzodiazepine and neonatal intensive care admissions. Causality cannot be inferred from these studies. We found insufficient evidence on benefits and harms from comparative effectiveness studies, with one exception: one study suggested a higher risk of overall congenital anomalies (adjusted RR [ARR], 1.85; 95% CI, 1.23 to 2.78; N=2,608) and cardiac anomalies (ARR, 2.25; 95% CI, 1.17 to 4.34; N=2,608) for lithium compared with lamotrigine during first- trimester exposure. Conclusions. Few studies have been conducted in pregnant and postpartum women on the benefits of pharmacotherapy; many studies report on harms but are of low quality. The limited evidence available is consistent with some benefit, and some studies suggested increased adverse events. However, because these studies could not rule out underlying disease severity as the cause of the association, the causal link between the exposure and adverse events is unclear. Patients and clinicians need to make an informed, collaborative decision on treatment choices.
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