Design And Optimization Of A Feeder Demand Responsive Transit System In El Cenizo Tx

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Design and Optimization of a Feeder Demand Responsive Transit System in El Cenizo, TX

Author : Shailesh Chandra
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (688 download)

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Book Synopsis Design and Optimization of a Feeder Demand Responsive Transit System in El Cenizo, TX by : Shailesh Chandra

Download or read book Design and Optimization of a Feeder Demand Responsive Transit System in El Cenizo, TX written by Shailesh Chandra and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The colonias along the Texas-Mexico border are one of the most rapidly growing areas in Texas. Because of the relatively low income of the residents and an inadequate availability of transportation services, the need for basic social activities for the colonias cannot be properly met. The objectives of this study are to have a better comprehension of the status quo of these communities by examining the potential demand for an improved transportation service and evaluate the capacity and optimum service time interval of a new demand responsive transit "feeder" service within one representative colonia, El Cenizo. A comprehensive analysis of the results of a survey conducted through a questionnaire is presented to explain the existing travel patterns and potential demand for a feeder service. The results of this thesis and work from the subsequent simulation analysis showed that a single shuttle would be able to comfortably serve 150 passengers/day. It further showed that the optimal cycle length between consecutive departures from the terminal should be between 11-13 minutes for best service quality. This exploratory study should serve as a first step towards improving transportation services within these growing underprivileged communities especially those with demographics and geography similar to the target area of El Cenizo.

Optimal Design of Demand-responsive Feeder Transit Services

Author : Xiugang Li
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (688 download)

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Book Synopsis Optimal Design of Demand-responsive Feeder Transit Services by : Xiugang Li

Download or read book Optimal Design of Demand-responsive Feeder Transit Services written by Xiugang Li and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The general public considers Fixed-Route Transit (FRT) to be inconvenient while Demand-Responsive Transit (DRT) provides much of the desired flexibility with a door-to-door type of service. However, FRT is typically more cost efficient than DRT to deploy. Therefore, there is an increased interest in flexible transit services including all types of hybrid services that combine FRT and pure DRT. The demand-responsive feeder transit, also known as Demand-Responsive Connector (DRC), is a flexible transit service because it operates in a demand-responsive fashion within a service area and moves customers to/from a transfer point that connects to a FRT network. In this research we develop analytical models, validated by simulation, to design the DRC system. Feeder transit services are generally operated with a DRC policy which might be converted to a traditional FRT policy for higher demand. By using continuous approximations, we provide an analytical modeling framework to help planners and operators in their choice of the two policies. We compare utility functions of the two policies to derive rigorous analytical and approximate closed-form expressions of critical demand densities. They represent the switching conditions, that are functions of the parameters of each considered scenario, such as the geometry of the service area, the vehicle speed and also the weights assigned to each term contributing to the utility function: walking time, waiting time and riding time. We address the problem faced by planners in determining the optimal number of zones for dividing a service area. We develop analytical models representing the total cost functions balancing customer service quality and vehicle operating cost. We obtain close-form expressions for the FRT and approximation formulas for the DRC to determine the optimal number of zones. Finally we develop a real-case application with collected customer demand data and road network data of El Cenizo, Texas. With our analytical formulas, we obtain the optimal number of zones, and the times for switching FRT and DRC policies during a day. Simulation results considering the road network of El Cenizo demonstrate that our analytical formulas provide good estimates for practical use.

Demand Responsive Transit Performance Assessment Using Simulation

Author : Shailesh Chandra
Publisher :
ISBN 13 : 9783846549728
Total Pages : 96 pages
Book Rating : 4.5/5 (497 download)

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Book Synopsis Demand Responsive Transit Performance Assessment Using Simulation by : Shailesh Chandra

Download or read book Demand Responsive Transit Performance Assessment Using Simulation written by Shailesh Chandra and published by . This book was released on 2011-11 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Transit Services for Sprawling Areas with Relatively Low Demand Density

Author : Luca Quadrifoglio
Publisher :
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Transit Services for Sprawling Areas with Relatively Low Demand Density by : Luca Quadrifoglio

Download or read book Transit Services for Sprawling Areas with Relatively Low Demand Density written by Luca Quadrifoglio and published by . This book was released on 2009 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: The colonias along the Texas-Mexico border are one of the most rapidly growing areas in Texas. Because of the relatively low-income of the residents and an inadequate availability of transportation services, the need for basic social activities for the colonias cannot be properly met. The objective of this study is a to have a better comprehension of the status quo of this communities, examine the potential demand for an improved transportation service as well as evaluate the capacity and optimum service time interval of a new demand responsive transit "feeder" service within one representative colonia, El Cenizo. We present a comprehensive analysis of the results of a survey conducted through a questionnaire to evaluate the existing travel patterns and the potential demand for a feeder service. The results from the subsequent simulation analysis showed that a single shuttle would be able to comfortably serve 150 passengers/day and that the optimal headway between consecutive departures from the terminal should be between 11-13 minutes for best service quality. This exploratory study should serve as a first step towards improving transportation services within these growing underprivileged communities, especially for those with demographics and geometry similar to our target area of El Cenizo.

Game Management

Author : Aldo Leopold
Publisher : Univ of Wisconsin Press
ISBN 13 : 0299107736
Total Pages : 519 pages
Book Rating : 4.2/5 (991 download)

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Book Synopsis Game Management by : Aldo Leopold

Download or read book Game Management written by Aldo Leopold and published by Univ of Wisconsin Press. This book was released on 1987-03-13 with total page 519 pages. Available in PDF, EPUB and Kindle. Book excerpt: With this book, published more than a half-century ago, Aldo Leopold created the discipline of wildlife management. Although A Sand Country Almanac is doubtless Leopold’s most popular book, Game Management may well be his most important. In this book he revolutionized the field of conservation.

Ethnobotany of Mexico

Author : Rafael Lira
Publisher : Springer
ISBN 13 : 1461466695
Total Pages : 562 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Ethnobotany of Mexico by : Rafael Lira

Download or read book Ethnobotany of Mexico written by Rafael Lira and published by Springer. This book was released on 2016-04-23 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews the history, current state of knowledge, and different research approaches and techniques of studies on interactions between humans and plants in an important area of agriculture and ongoing plant domestication: Mesoamerica. Leading scholars and key research groups in Mexico discuss essential topics as well as contributions from international research groups that have conducted studies on ethnobotany and domestication of plants in the region. Such a convocation will produce an interesting discussion about future investigation and conservation of regional human cultures, genetic resources, and cultural and ecological processes that are critical for global sustainability.

Antioxidant Properties of Spices, Herbs and Other Sources

Author : Denys J. Charles
Publisher : Springer Science & Business Media
ISBN 13 : 1461443105
Total Pages : 589 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Antioxidant Properties of Spices, Herbs and Other Sources by : Denys J. Charles

Download or read book Antioxidant Properties of Spices, Herbs and Other Sources written by Denys J. Charles and published by Springer Science & Business Media. This book was released on 2012-11-27 with total page 589 pages. Available in PDF, EPUB and Kindle. Book excerpt: The scientific world and modern society today is experiencing the dawning of an era of herbal medicine. Extensive research has shown that aromatic plants are important anti-inflammatory, antioxidant, anti aging and immune boosting delectable foods, with the magic and miracle to boost our immune system providing us with extended and an improved quality of life. Apart from making bland recipes into welcoming or interesting victories, herbs and spices have stirred the minds of the research community to look deeper into its active components from a functional perspective. It is essential to present the scientific and medicinal aspect of herbs and spices together with the analysis of constituents, its medicinal application, toxicology and its physiological effects. Herbs and spices with high levels of antioxidants are in great demand as they tend to promote health and prevent diseases naturally assuring increased safety and reliability for consumers. Herbs and spices are not only known for taste and flavor, but today research has opened up a new realm in which the antioxidant properties of these aromatic plants provide preservation for foods and health benefits for consumers who look forward to concrete scientific research to guide them further and explore herbal medicine. The aim of this book is to create awareness in society about the reliability of medicinal properties of certain herbs and spices through scientific and scholarly research.

Texas Almanac 2014–2015

Author : Elizabeth Cruce Alvarez
Publisher : Texas A&M University Press
ISBN 13 : 1625110065
Total Pages : 1603 pages
Book Rating : 4.6/5 (251 download)

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Book Synopsis Texas Almanac 2014–2015 by : Elizabeth Cruce Alvarez

Download or read book Texas Almanac 2014–2015 written by Elizabeth Cruce Alvarez and published by Texas A&M University Press. This book was released on 2014-01-03 with total page 1603 pages. Available in PDF, EPUB and Kindle. Book excerpt: FEATURES OF THE TEXAS ALMANAC 2014–2015 • Sketches of eight historic ranches of Texas by Texana writer Mike Cox. • Article on the Texas art and artists by Houston businessman and art collector J.P. Bryan, who has amassed the world’s largest Texana collection. • Coverage of the 2012 elections, redistricting, and the 2012 Texas Olympic medalists. • An update on Major League Baseball in Texas. • Lists of sports champions — high school, college, and professional. MAJOR SECTIONS UPDATED FOR EACH EDITION • The Environment, including geology, plant life, wildlife, rivers, and lakes. • Weather highlights of the previous two years, plus a list of destructive weather dating from 1766. • Two-year Astronomical Calendar that shows moon phases, times of sunrise and sunset, moonrise and moonset, eclipses, and meteor showers. • Recreation, with details on state and national parks and forests, landmarks, and fairs and festivals. • Sports, including lists of high school football and basketball champions, professional sports teams, Texas Olympians, and Texas Sports Hall of Fame inductees. • Counties section, with detailed county maps and profiles for Texas’s 254 counties. • Population figures from the 2010 US Census and State Data Center estimates as of 2012. • Comprehensive list of Texas Cities and Towns. • Politics, Elections, and information on Federal, State, and Local Governments. • Culture and the Arts, including a list of civic and religious Holidays. • Religion census of 2010 by denomination and adherents; breakdown on metro areas and counties. • Health and Science, with charts of vital statistics. • Education, including a complete list of colleges and universities, and UIL results. • Business and Transportation, with an expanded section on Oil and Gas. • Agriculture, including data on production of crops, fruits, vegetables, livestock, and dairy. • Obituaries of notable Texans. • Pronunciation Guide to Texas town and county names.

American Immigration and Ethnicity

Author : D. Gerber
Publisher : Springer
ISBN 13 : 1137086157
Total Pages : 356 pages
Book Rating : 4.1/5 (37 download)

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Book Synopsis American Immigration and Ethnicity by : D. Gerber

Download or read book American Immigration and Ethnicity written by D. Gerber and published by Springer. This book was released on 2016-04-30 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work aims to enrich studies of American immigration history by combining and comparing the experiences of both European immigration, in the nineteenth and early twentieth centuries, and Asian, Hispanic, Caribbean, and African immigrations in the late twentieth and twenty-first centuries.

Assignment Problems, Revised Reprint

Author : Rainer Burkard
Publisher : SIAM
ISBN 13 : 1611972221
Total Pages : 403 pages
Book Rating : 4.6/5 (119 download)

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Book Synopsis Assignment Problems, Revised Reprint by : Rainer Burkard

Download or read book Assignment Problems, Revised Reprint written by Rainer Burkard and published by SIAM. This book was released on 2012-10-31 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: Assignment Problems is a useful tool for researchers, practitioners and graduate students. In 10 self-contained chapters, it provides a comprehensive treatment of assignment problems from their conceptual beginnings through present-day theoretical, algorithmic and practical developments. The topics covered include bipartite matching algorithms, linear assignment problems, quadratic assignment problems, multi-index assignment problems and many variations of these. Researchers will benefit from the detailed exposition of theory and algorithms related to assignment problems, including the basic linear sum assignment problem and its variations. Practitioners will learn about practical applications of the methods, the performance of exact and heuristic algorithms, and software options. This book also can serve as a text for advanced courses in areas related to discrete mathematics and combinatorial optimisation. The revised reprint provides details on a recent discovery related to one of Jacobi's results, new material on inverse assignment problems and quadratic assignment problems, and an updated bibliography.

#1 Masseuse

Author : Creative Juices Publishing
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721198078
Total Pages : 110 pages
Book Rating : 4.1/5 (98 download)

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Book Synopsis #1 Masseuse by : Creative Juices Publishing

Download or read book #1 Masseuse written by Creative Juices Publishing and published by Createspace Independent Publishing Platform. This book was released on 2018-06-15 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Best Massage Therapist Ever Appreciation Gift Notebook. 6x9 lined journal

Optimal Learning

Author : Warren B. Powell
Publisher : John Wiley & Sons
ISBN 13 : 1118309847
Total Pages : 416 pages
Book Rating : 4.1/5 (183 download)

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Book Synopsis Optimal Learning by : Warren B. Powell

Download or read book Optimal Learning written by Warren B. Powell and published by John Wiley & Sons. This book was released on 2013-07-09 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn the science of collecting information to make effective decisions Everyday decisions are made without the benefit of accurate information. Optimal Learning develops the needed principles for gathering information to make decisions, especially when collecting information is time-consuming and expensive. Designed for readers with an elementary background in probability and statistics, the book presents effective and practical policies illustrated in a wide range of applications, from energy, homeland security, and transportation to engineering, health, and business. This book covers the fundamental dimensions of a learning problem and presents a simple method for testing and comparing policies for learning. Special attention is given to the knowledge gradient policy and its use with a wide range of belief models, including lookup table and parametric and for online and offline problems. Three sections develop ideas with increasing levels of sophistication: Fundamentals explores fundamental topics, including adaptive learning, ranking and selection, the knowledge gradient, and bandit problems Extensions and Applications features coverage of linear belief models, subset selection models, scalar function optimization, optimal bidding, and stopping problems Advanced Topics explores complex methods including simulation optimization, active learning in mathematical programming, and optimal continuous measurements Each chapter identifies a specific learning problem, presents the related, practical algorithms for implementation, and concludes with numerous exercises. A related website features additional applications and downloadable software, including MATLAB and the Optimal Learning Calculator, a spreadsheet-based package that provides an introduction to learning and a variety of policies for learning.

Scheduling Under Resource Constraints

Author : Jacek Błażewicz
Publisher :
ISBN 13 :
Total Pages : 380 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Scheduling Under Resource Constraints by : Jacek Błażewicz

Download or read book Scheduling Under Resource Constraints written by Jacek Błażewicz and published by . This book was released on 1986 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Education for Health

Author : World Health Organization
Publisher :
ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Education for Health by : World Health Organization

Download or read book Education for Health written by World Health Organization and published by . This book was released on 1988 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Plants for Arid Lands

Author : G.E. Wickens
Publisher : Springer Science & Business Media
ISBN 13 : 940116830X
Total Pages : 458 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Plants for Arid Lands by : G.E. Wickens

Download or read book Plants for Arid Lands written by G.E. Wickens and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: Economic plants have been defined by SEPASAT as those plants that are utilised either directly or indirectly for the benefit of Man. Indirect usage includes the needs of Man's livestock and the maintenance of the environment; the benefits may be domestic, commercial or aesthetic. Economic plants constitute a large and so far uncalculated percentage of the quarter of a million higher plants in the World today. However, it has been calculated that 10% (25 000) of these species are now on the verge of extinction and extinction means that a genetic resource that could be of benefit to Man will be lost for ever. Furthermore, for every species lost an estimated 10-30 other dependent organisms are also doomed. Fewer than 1 per cent of the World's plants have been sufficiently well studied for a true evaluation of the potential floral wealth awaiting discovery, not only in the rain forests, which man is now actively destroying at a rate of 20 ha a minute, but also in the very much neglected dry areas of the World.

Human origin sites and the World Heritage Convention in Eurasia

Author : Sanz, Nuria (UNESCO)
Publisher : UNESCO Publishing
ISBN 13 : 9231001078
Total Pages : 231 pages
Book Rating : 4.2/5 (31 download)

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Book Synopsis Human origin sites and the World Heritage Convention in Eurasia by : Sanz, Nuria (UNESCO)

Download or read book Human origin sites and the World Heritage Convention in Eurasia written by Sanz, Nuria (UNESCO) and published by UNESCO Publishing. This book was released on 2015-09-07 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Rational Inefficiencies

Author : Günter Fandel
Publisher : Gabler Verlag
ISBN 13 : 9783834918567
Total Pages : 120 pages
Book Rating : 4.9/5 (185 download)

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Book Synopsis Rational Inefficiencies by : Günter Fandel

Download or read book Rational Inefficiencies written by Günter Fandel and published by Gabler Verlag. This book was released on 2009-07-15 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analytical considerations in production theory usually aim for finding the technically efficient productions of a technology in order to fulfil the principle of rational economic behaviour not to waste scarce good. This special issue contains seven papers which report on new results of this research area.