Improved Mathematical Modeling For Gps Based Navigation

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Improved Mathematical Modeling for GPS Based Navigation

Author : Salvatore Nardi
Publisher :
ISBN 13 : 9781423563600
Total Pages : 144 pages
Book Rating : 4.5/5 (636 download)

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Book Synopsis Improved Mathematical Modeling for GPS Based Navigation by : Salvatore Nardi

Download or read book Improved Mathematical Modeling for GPS Based Navigation written by Salvatore Nardi and published by . This book was released on 1998-03-01 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis is concerned with the development of new closed form GPS position determination algorithms that work in the presence of pseudorange measurement noise. The mathematical derivation of two closed form algorithms, based on stochastic modeling and estimation techniques, is presented. The algorithms provide an estimate of the GPS solution parameters (viz., the user position and the user clock bias) as well as the estimation error covariance. The experimental results are analyzed by comparison to the baseline results from the conventional Iterative Least Squares (ILS) algorithm. In typical GPS scenarios, the closed form algorithms are extremely sensitive to noise, making them unsuitable for stand-alone use; however, they perform very well at estimating horizontal position parameters in ground-based pseudolite planar array scenarios where the ILS algorithm breaks down due to poor geometry. For typical scenarios, the use of a supplementary algorithm is required to refine the solution. Thus, the derivation of two supplementary algorithms is presented; the first based on a maximum likelihood approach and the second uses a Kalman like update approach. Both supplementary algorithms produce results comparable to the ILS results, but the Kalman update approach is preferred. The advantages introduced by the closed form, supplemented by the Kalman update, algorithm are: (1) The capability to estimate its estimation error covariance, and (2) The potential for computational efficiency due to the closed form nature of the solution.

Computer Aided Algorithms Based on Mathematics and Machine Learning for Integrated GPS and INS Land Vehicle Navigation Systems

Author : Deepak Bhatt
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.:/5 (892 download)

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Book Synopsis Computer Aided Algorithms Based on Mathematics and Machine Learning for Integrated GPS and INS Land Vehicle Navigation Systems by : Deepak Bhatt

Download or read book Computer Aided Algorithms Based on Mathematics and Machine Learning for Integrated GPS and INS Land Vehicle Navigation Systems written by Deepak Bhatt and published by . This book was released on 2014 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: An integrated navigation system consisting of INS and GPS is usually preferred due to the reduced dependency on GPS-only navigator in an area prone to poor signal reception or affected by multipath. The performance of the integrated system largely depends upon the quality of the Inertial Measurement Unit (IMU) and the integration methodology. Considering the restricted use of high grade IMU and their associated price, low-cost IMUs are becoming the preferred choice for civilian navigation purposes. MEMS based inertial sensors have made possible the development of civilian land vehicle navigation as it offers small size and low-cost. However, these low-cost inertial sensors possess high inherent sensor errors such as biases, drift, noises etc. As a result, the accuracy of the integrated system degrades rapidly in a GPS denied environment. Thus, an accurate in-lab calibration and modeling of inertial sensor errors become mandatory before being deployed. This dissertation introduces a Support Vector Regression (SVR) based IMU error modeling approach for improving the low-cost navigation system accuracy. A low-cost MEMS based IMU offered by cloud cap technology, Crista IMU is used to evaluate the SVR based error modeling approach effectiveness. Alternatively, the IMU derived navigation solution and GPS data is fused to output the more reliable navigation solution and model the errors in the inertial navigation solution simultaneously. This fusion and error modeling continues during the GPS signal availability. In the case of GPS outages, the developed error model is utilized to improve the integrated navigation system accuracy. Thus, in a continued effort to improve the standalone low-cost IMU derived navigation solution reliability during GPS outages, an intelligent technique utilizing neural networks and a hybrid of mathematics and support vector based fusion algorithms are proposed fusing INS and GPS data in an open and closed loop fashion. The performance of the proposed techniques and algorithm is evaluated using real field test data utilizing low-cost MEMS IMU, Crossbow IMU 300CC-100 and a Novatel OEM GPS receiver. The test results demonstrated the improved positioning accuracy in comparison to existing techniques and showed a substantial reduction in standalone Inertial Navigation System (INS) position error drift during GPS outages. Further, a feasibility of statistical based approaches consisting of Cubist, Random Forest and Support Vector Regression is evaluated for a low-cost INS and GPS integrated system. Through experimental demonstration, Random forest regression was found to be a suitable candidate for INS and GPS data fusion as it offers the least training time and ability to tuned the parameter automatically.

GPS Stochastic Modelling

Author : Xiaoguang Luo
Publisher : Springer Science & Business Media
ISBN 13 : 364234836X
Total Pages : 345 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis GPS Stochastic Modelling by : Xiaoguang Luo

Download or read book GPS Stochastic Modelling written by Xiaoguang Luo and published by Springer Science & Business Media. This book was released on 2013-07-06 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: Global Navigation Satellite Systems (GNSS), such as GPS, have become an efficient, reliable and standard tool for a wide range of applications. However, when processing GNSS data, the stochastic model characterising the precision of observations and the correlations between them is usually simplified and incomplete, leading to overly optimistic accuracy estimates. This work extends the stochastic model using signal-to-noise ratio (SNR) measurements and time series analysis of observation residuals. The proposed SNR-based observation weighting model significantly improves the results of GPS data analysis, while the temporal correlation of GPS observation noise can be efficiently described by means of autoregressive moving average (ARMA) processes. Furthermore, this work includes an up-to-date overview of the GNSS error effects and a comprehensive description of various mathematical methods.

Introduction To Modern Navigation Systems

Author : Esmat Bekir
Publisher : World Scientific
ISBN 13 : 9814475238
Total Pages : 255 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Introduction To Modern Navigation Systems by : Esmat Bekir

Download or read book Introduction To Modern Navigation Systems written by Esmat Bekir and published by World Scientific. This book was released on 2007-07-26 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: The emerging technology of very inexpensive inertial sensors is available for navigation as never before. The book lays the analytical foundation for understanding and implementing the navigation equations. It starts by demystifying the central theme of the frame rotation using such algorithms as the quaternions, the rotation vector and the Euler angles. After developing navigation equations, the book introduces the computational issues and discusses the physical aspects that are tied to implementing these equations. The book then explains alignment techniques.Introduction to Modern Navigation Systems offers an efficient algorithm for polar navigation. It also shows how to enhance the performance of the inertial system when aided by the Global Positioning System. It is an appropriate textbook for senior undergraduate and graduate students in aeronautical and electrical engineering. It could also be used as a reference book for practitioners in the field.

Mathematical Models for Navigation Systems

Author : Paul D. Thomas
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Mathematical Models for Navigation Systems by : Paul D. Thomas

Download or read book Mathematical Models for Navigation Systems written by Paul D. Thomas and published by . This book was released on 1965 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Global Positioning Systems, Inertial Navigation, and Integration

Author : Mohinder S. Grewal
Publisher : John Wiley & Sons
ISBN 13 : 0471463868
Total Pages : 415 pages
Book Rating : 4.4/5 (714 download)

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Book Synopsis Global Positioning Systems, Inertial Navigation, and Integration by : Mohinder S. Grewal

Download or read book Global Positioning Systems, Inertial Navigation, and Integration written by Mohinder S. Grewal and published by John Wiley & Sons. This book was released on 2004-04-05 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: The only comprehensive guide to Kalman filtering and its applications to real-world GPS/INS problems Written by recognized authorities in the field, this book provides engineers, computer scientists, and others with a working familiarity with the theory and contemporary applications of Global Positioning Systems (GPS), Inertial Navigational Systems, and Kalman filters. Throughout, the focus is on solving real-world problems, with an emphasis on the effective use of state-of-the-art integration techniques for those systems, especially the application of Kalman filtering. To that end, the authors explore the various subtleties, common failures, and inherent limitations of the theory as it applies to real-world situations, and provide numerous detailed application examples and practice problems, including GPS-aided INS, modeling of gyros and accelerometers, and WAAS and LAAS. Drawing upon their many years of experience with GPS, INS, and the Kalman filter, the authors present numerous design and implementation techniques not found in other professional references, including original techniques for: * Representing the problem in a mathematical model * Analyzing the performance of the GPS sensor as a function of model parameters * Implementing the mechanization equations in numerically stable algorithms * Assessing computation requirements * Testing the validity of results * Monitoring GPS, INS, and Kalman filter performance in operation In order to enhance comprehension of the subjects covered, the authors have included software in MATLAB, demonstrating the workings of the GPS, INS, and filter algorithms. In addition to showing the Kalman filter in action, the software also demonstrates various practical aspects of finite word length arithmetic and the need for alternative algorithms to preserve result accuracy.

Position, Navigation, and Timing Technologies in the 21st Century

Author : Y. Jade Morton
Publisher : John Wiley & Sons
ISBN 13 : 1119458404
Total Pages : 4407 pages
Book Rating : 4.1/5 (194 download)

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Book Synopsis Position, Navigation, and Timing Technologies in the 21st Century by : Y. Jade Morton

Download or read book Position, Navigation, and Timing Technologies in the 21st Century written by Y. Jade Morton and published by John Wiley & Sons. This book was released on 2020-12-17 with total page 4407 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covers the latest developments in PNT technologies, including integrated satellite navigation, sensor systems, and civil applications Featuring sixty-four chapters that are divided into six parts, this two-volume work provides comprehensive coverage of the state-of-the-art in satellite-based position, navigation, and timing (PNT) technologies and civilian applications. It also examines alternative navigation technologies based on other signals-of-opportunity and sensors and offers a comprehensive treatment on integrated PNT systems for consumer and commercial applications. Volume 1 of Position, Navigation, and Timing Technologies in the 21st Century: Integrated Satellite Navigation, Sensor Systems, and Civil Applications contains three parts and focuses on the satellite navigation systems, technologies, and engineering and scientific applications. It starts with a historical perspective of GPS development and other related PNT development. Current global and regional navigation satellite systems (GNSS and RNSS), their inter-operability, signal quality monitoring, satellite orbit and time synchronization, and ground- and satellite-based augmentation systems are examined. Recent progresses in satellite navigation receiver technologies and challenges for operations in multipath-rich urban environment, in handling spoofing and interference, and in ensuring PNT integrity are addressed. A section on satellite navigation for engineering and scientific applications finishes off the volume. Volume 2 of Position, Navigation, and Timing Technologies in the 21st Century: Integrated Satellite Navigation, Sensor Systems, and Civil Applications consists of three parts and addresses PNT using alternative signals and sensors and integrated PNT technologies for consumer and commercial applications. It looks at PNT using various radio signals-of-opportunity, atomic clock, optical, laser, magnetic field, celestial, MEMS and inertial sensors, as well as the concept of navigation from Low-Earth Orbiting (LEO) satellites. GNSS-INS integration, neuroscience of navigation, and animal navigation are also covered. The volume finishes off with a collection of work on contemporary PNT applications such as survey and mobile mapping, precision agriculture, wearable systems, automated driving, train control, commercial unmanned aircraft systems, aviation, and navigation in the unique Arctic environment. In addition, this text: Serves as a complete reference and handbook for professionals and students interested in the broad range of PNT subjects Includes chapters that focus on the latest developments in GNSS and other navigation sensors, techniques, and applications Illustrates interconnecting relationships between various types of technologies in order to assure more protected, tough, and accurate PNT Position, Navigation, and Timing Technologies in the 21st Century: Integrated Satellite Navigation, Sensor Systems, and Civil Applications will appeal to all industry professionals, researchers, and academics involved with the science, engineering, and applications of position, navigation, and timing technologies. pnt21book.com

Army AL&T

Author :
Publisher :
ISBN 13 :
Total Pages : 180 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Army AL&T by :

Download or read book Army AL&T written by and published by . This book was released on 2001 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:

2023 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2023) Proceedings

Author : Song Fu
Publisher : Springer Nature
ISBN 13 : 981974010X
Total Pages : 1991 pages
Book Rating : 4.8/5 (197 download)

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Book Synopsis 2023 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2023) Proceedings by : Song Fu

Download or read book 2023 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2023) Proceedings written by Song Fu and published by Springer Nature. This book was released on with total page 1991 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Intelligent Information Processing for Inertial-Based Navigation Systems

Author : Chong Shen
Publisher : Springer Nature
ISBN 13 : 9813345160
Total Pages : 131 pages
Book Rating : 4.8/5 (133 download)

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Book Synopsis Intelligent Information Processing for Inertial-Based Navigation Systems by : Chong Shen

Download or read book Intelligent Information Processing for Inertial-Based Navigation Systems written by Chong Shen and published by Springer Nature. This book was released on 2021-01-04 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces typical inertial devices and inertial-based integrated navigation systems, gyro noise suppression, gyro temperature drift error modeling compensation, inertial-based integrated navigation systems under discontinuous observation conditions, and inertial-based brain integrated navigation systems. Integrated navigation is the result of the development of modern navigation theory and technology. The inertial navigation system has the advantages of strong autonomy, high short-term accuracy, all-day time, all weather, and so on. And it has been applied in most integrated navigation systems. Among them, the information processing of inertial-based integrated navigation system is the core technology. Due to the effect of the device mechanism and working environment, there are errors in the output information of the inertial-based integrated navigation system, including gyroscope noise, temperature drift, and discontinuous observations, which will seriously reduce the accuracy and robustness of the system. And the book helps readers to solve these problems. The intelligent information processing technology involved is equipped with simulation verification, which can be used as a reference for undergraduate, graduate, and Ph.D. students, and also scientific researchers or engineers engaged in navigation-related specialties.

Proceedings of First International Conference on Mathematical Modeling and Computational Science

Author : Sheng-Lung Peng
Publisher : Springer Nature
ISBN 13 : 9813343893
Total Pages : 675 pages
Book Rating : 4.8/5 (133 download)

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Book Synopsis Proceedings of First International Conference on Mathematical Modeling and Computational Science by : Sheng-Lung Peng

Download or read book Proceedings of First International Conference on Mathematical Modeling and Computational Science written by Sheng-Lung Peng and published by Springer Nature. This book was released on 2021-05-04 with total page 675 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the most recent scientific and technological advances in the fields of engineering mathematics and computational science, to strengthen the links in the scientific community. It is a collection of high-quality, peer-reviewed research papers presented at the First International Conference on Mathematical Modeling and Computational Science (ICMMCS 2020), held in Pattaya, Thailand, during 14–15 August 2020. The topics covered in the book are mathematical logic and foundations, numerical analysis, neural networks, fuzzy set theory, coding theory, higher algebra, number theory, graph theory and combinatory, computation in complex networks, calculus, differential educations and integration, application of soft computing, knowledge engineering, machine learning, artificial intelligence, big data and data analytics, high-performance computing, network and device security, and Internet of things (IoT).

Richmond Harbor Deep-draft Navigation Improvements

Author :
Publisher :
ISBN 13 :
Total Pages : 468 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Richmond Harbor Deep-draft Navigation Improvements by :

Download or read book Richmond Harbor Deep-draft Navigation Improvements written by and published by . This book was released on 1996 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 602 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

China Satellite Navigation Conference (CSNC 2022) Proceedings

Author : Changfeng Yang
Publisher : Springer Nature
ISBN 13 : 9811925763
Total Pages : 634 pages
Book Rating : 4.8/5 (119 download)

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Book Synopsis China Satellite Navigation Conference (CSNC 2022) Proceedings by : Changfeng Yang

Download or read book China Satellite Navigation Conference (CSNC 2022) Proceedings written by Changfeng Yang and published by Springer Nature. This book was released on 2022-05-05 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt: China Satellite Navigation Conference (CSNC 2022) Proceedings presents selected research papers from CSNC 2022 held during 25th-27th May, 2022 in Beijing, China. These papers discuss the technologies and applications of the Global Navigation Satellite System (GNSS), and the latest progress made in the China BeiDou System (BDS) especially. They are divided into 10 topics to match the corresponding sessions in CSNC2022 which broadly covered key topics in GNSS. Readers can learn about the BDS and keep abreast of the latest advances in GNSS techniques and applications.

Satellite Navigation Systems and Technologies

Author : Jun Xie
Publisher : Springer Nature
ISBN 13 : 9811548633
Total Pages : 412 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Satellite Navigation Systems and Technologies by : Jun Xie

Download or read book Satellite Navigation Systems and Technologies written by Jun Xie and published by Springer Nature. This book was released on 2020-07-31 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the design theory and development experience of Beidou navigation satellite system (BDS), this book highlights the space segment and the related satellite technologies as well as satellite-ground integration design from the perspective of engineering. The satellite navigation technology in this book is divided into uplink and reception technology, broadcasting link technology, inter-satellite link technology, time-frequency system technology, navigation signal generation and assessment technology, navigation information management technology, autonomous operation technology of navigation satellite. In closing, the book introduces readers to the technological development status and trend of BDS and other GNSS, and propose the technologies of future development. Unlike most current books on this topic, which largely concentrate on principles, receiver design or applications, the book also features substantial information on the role of satellite system in the GNSS and the process of signal information flow, and each chapter not only studies on the theoretical function and main technologies, but also focuses on engineering development. Accordingly, readers will gain not only a better understanding of navigation satellite systems as a whole, but also of their main components and key technologies.

2014 International Conference on Mechanical Engineering and Automation (ICMEA2014)

Author :
Publisher : DEStech Publications, Inc
ISBN 13 : 1605951552
Total Pages : 492 pages
Book Rating : 4.6/5 (59 download)

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Book Synopsis 2014 International Conference on Mechanical Engineering and Automation (ICMEA2014) by :

Download or read book 2014 International Conference on Mechanical Engineering and Automation (ICMEA2014) written by and published by DEStech Publications, Inc. This book was released on 2014-02-13 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ICMEA2014 will provide an excellent international academic forum for sharing knowledge and results in theory, methodology and applications of Mechanical Engineering and Automation. The ICMEA2014 is organized by Advanced Information Science Research Center (AISRC) and is co-sponsored by Chongqing University, Changsha University of Science & Technology, Huazong University of Science and Technology and China Three Gorges University. This ICMEA2014 proceedings tends to collect the up-to-date, comprehensive and worldwide state-of-art knowledge on mechanical engineering and automation, including control theory and application, mechanic manufacturing system and automation, and Computer Science and applications. All of accepted papers were subjected to strict peer-reviewing by 2-4 expert referees. The papers have been selected for this volume because of quality and the relevance to the conference. We hope this book will not only provide the readers a broad overview of the latest research results, but also provide the readers a valuable summary and reference in these fields. ICMEA2014 organizing committee would like to express our sincere appreciations to all authors for their contributions to this book. We would like to extend our thanks to all the referees for their constructive comments on all papers; especially, we would like to thank to organizing committee for their hard working.

Advances in Sustainable Aviation

Author : Tahir Hikmet Karakoç
Publisher : Springer
ISBN 13 : 3319671340
Total Pages : 289 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Advances in Sustainable Aviation by : Tahir Hikmet Karakoç

Download or read book Advances in Sustainable Aviation written by Tahir Hikmet Karakoç and published by Springer. This book was released on 2017-11-08 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides different engineering, management, economic solutions and methodologies regarding sustainable aviation, giving readers a great sense of how sustainable aviation works at the “systems” level. The aviation industry is one of the fastest growing in the world and can make a positive contribution to sustainability. This book presents environmental policies and their application to the aviation industry and evaluates solutions provided to address pollution. Chapters discuss novel technologies that the aviation industry can apply to reduce its environmental impact and become more energy efficient.