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Статті в журналах з теми "Differential navigation"

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 липня 2025

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1

Przestrzelski, Paweł, and Mieczysław Bakuła. "Study Of Differential Code GPS/GLONASS Positioning." Annual of Navigation 21, no. 1 (2014): 117–32. http://dx.doi.org/10.1515/aon-2015-0010.

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Анотація:

AbstractThis paper presents the essential issues and problems associated with GNSS (Global Navigation Satellite System) code differential positioning simultaneously using observations from at least two independent satellite navigation systems. To this end, two satellite navigation systems were selected: GPS (Global Positioning System, USA) and GLONASS (GLObalnaya NAvigatsionnaya Sputnikovaya Sistema, Russia). The major limitations and methods of their elimination are described, as well as the basic advantages and benefits resulting from the application of the DGNSS (Differential GNSS) position

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2

Zavalishin, O. I. "ABOUT TWO-STAR GBAS." Civil Aviation High TECHNOLOGIES 21, no. 3 (2018): 37–46. http://dx.doi.org/10.26467/2079-0619-2018-21-3-37-46.

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The problem of accurate navigation support for landing systems is of great importance in our time in connection with the constantly increasing intensity of air traffic in major airports. At present, there is a trend towards a transition to navigational identification of aircraft by satellite radio navigation systems. Currently, two global navigation satellite systems, composed of navigational spacecraft – the Russian GLONASS system and the USA GPS system – operate in full. Moreover, to provide the necessary accuracy of positioning and data integrity the additional means are used – differential

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3

Wingate, Miles. "The Future of Conventional Aids to Navigation." Journal of Navigation 39, no. 2 (1986): 225–47. http://dx.doi.org/10.1017/s0373463300000096.

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The paper first of all defines conventional aids to navigation and compares both the historical and future roles of these aids in relation to developments in the field of radio navigation systems and technological advances in shipborne navigational aids. It goes on to emphasize the need to provide for all classes of vessel, i.e. those equipped with a high level of sophisticated shipborne aids and those equipped with a low level of such aids, including the not-so-well-found vessel, fishing vessels and leisure craft. Mention is made of present mandatory requirements in respect of the carriage of

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4

Ivanova, Aleksandra A., and Sergei F. Shakhnov. "METHOD OF AUTOMATIC TRANSMISSION OF THE INTEGRITY BREACH SIGNALS OF THE RIVER LOCAL DIFFERENTIAL SUBSYSTEM." T-Comm 15, no. 4 (2021): 42–48. http://dx.doi.org/10.36724/2072-8735-2021-15-4-42-48.

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The integrity of the navigation system is one of the important factors affecting the safety of navigation. Currently, on the inland waterways of Russia, alerts on the integrity of the GLONASS global navigation satellite system (GNSS) are transmitted through river local differential subsystems (LDSS), which include one or more reference stations. Industrial interference from industrial zones and power lines, mutual interference from neighboring reference stations and, especially, the inhomogeneity of the underlying surface affect the range of the reference stations, which leads to the integrity

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5

Freeman, Robin, and Dora Biro. "Modelling Group Navigation: Dominance and Democracy in Homing Pigeons." Journal of Navigation 62, no. 1 (2008): 33–40. http://dx.doi.org/10.1017/s0373463308005080.

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Анотація:

During group navigation the information shared by group members may be complex, heterogeneous and may vary over time. Nevertheless, modelling approaches have demonstrated that even relatively simple interactions between individuals can produce complex collective outcomes. In such models each individual follows the same simple set of local rules, giving rise to differential outcomes of the navigational decision-making process depending on various parameters. However, inherent heterogeneity within groups means that some group members may emerge as more influential than others in navigational tas

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6

Akhmedov, Daulet, Meirbek Moldabekov, Denis Yeryomin, Dinara Zhaxygulova, and Rimma Kaliyeva. "Investigation of lane-level GNSS positioning of vehicle in urban area." Journal of Applied Engineering Science 19, no. 2 (2021): 515–21. http://dx.doi.org/10.5937/jaes0-25205.

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Анотація:

High quality GNSS (Global Navigation Satellite System) positioning can be useful for numerous engineering tasks, for example, in transport applications concerned to monitoring and optimization of road traffic. In this case lane-level positioning is a relevant task and its solution should satisfy a wide range of users, and thus should be low-cost and easy to use. In this paper the solution of accurate GNSS positioning of the car with the use of differential correction of navigation data in order to provide positioning by the lane level in urban areas of Kazakhstan is investigated. A smartphone

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7

Baburov, V. I., N. V. Ivantsevich, and O. I. Sauta. "METHOD OF DIFFERENTIAL CORRECTION OF THE NAVIGATIONAL FIELD OF SHORT-RANGE NAVIGATION AND LANDING SYSTEMS WITH USE GLONASS." Issues of radio electronics, no. 7 (July 20, 2018): 6–12. http://dx.doi.org/10.21778/2218-5453-2018-7-6-12.

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The effective requirements of the International Civil Aviation Organization (ICAO) for accuracy and reliability of aircraft (AC) positioning, especially in case of flights in the airfield area, make it particularly relevant to harmonize the accuracy characteristics of various radio systems so that any of them can be utilized during the flight. AC positioning accuracy amounts to several metres for standard GNSS modes or several centimetres for differential modes. At the same time, positioning errors for traditional short-range navigation and landing systems (VOR/DME, SHORAN or ILS), especially

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8

Martinez-Soltero, Erasmo Gabriel, and Jesus Hernandez-Barragan. "Robot Navigation Based on Differential Evolution." IFAC-PapersOnLine 51, no. 13 (2018): 350–54. http://dx.doi.org/10.1016/j.ifacol.2018.07.303.

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9

Kos, Sergio, Duško Vranić, and Damir Zec. "Differential Equation of a Loxodrome on a Sphere." Journal of Navigation 52, no. 3 (1999): 418–20. http://dx.doi.org/10.1017/s0373463399008395.

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Анотація:

A curve that cuts all meridians of a rotating surface at the same angle is called a loxodrome. If the shape of the Earth is approximated by a sphere, then the loxodrome is a logarithmic spiral that cuts all meridians at the same angle and asymptotically approaches the Earth's poles but never meets them. Since maritime surface navigation defines the course as the angle between the current meridian and the longitudinal direction of the ship, it may be concluded that the loxodrome is the curve of the constant course, which means that whenever navigating on an unchanging course we are navigating a

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10

Ashkenazi, V., and T. Moore. "The Navigation of Navigation Satellites." Journal of Navigation 39, no. 3 (1986): 377–93. http://dx.doi.org/10.1017/s0373463300000850.

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Анотація:

The orbits of navigation satellites have to be determined very precisely. The Transit broadcast (predicted) ephemeris, which is computed by the US Navy Astronautics Group, has an estimated orbital positional accuracy of the order of 25 m in each direction. By contrast, the precise (post-mission) ephemeris, which is determined by the US Defense Mapping Agency, from tracking data collected by the global TRANET network, reaches accuracies of the order of 10 m. These orbital precisions affect the navigation and (static) positioning accuracies which can be achieved by users of the system. The same

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11

Abdrashitov, A. R. "Survey of Relative Navigation Methods for Multi-Agent Unmanned Aerial Vehicle Systems." Mekhatronika, Avtomatizatsiya, Upravlenie 24, no. 7 (2023): 364–73. http://dx.doi.org/10.17587/mau.24.364-373.

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Анотація:

Multi-agent Unmanned Aerial Vehicle (UAV) systems require stable and high-precision navigation. The existing navigation solutions, such as global navigation satellite systems (GNSS) and inertial navigation systems, may perform inefficiently in some application scenarios. The relative navigation methods can help solve this problem. Relative navigation enables UAVs to precisely estimate their positions relative to each other, as opposed to absolute navigation, which calculates the UAVs’ position relative to the Earth. Despite the abundance of relative navigation articles, there are no systematic

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12

Stratton, A. "Differential Omega as a Worldwide Navigation Aid." Journal of Navigation 43, no. 1 (1990): 88–103. http://dx.doi.org/10.1017/s0373463300013837.

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Анотація:

Navigation aids in use today have their origin in mainly military operational requirements for navigation accuracy, coverage and integrity. They have also been directed at the needs of air and sea operations.

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13

Specht, Cezary, Adam Weintrit, and Mariusz Specht. "A History of Maritime Radio-Navigation Positioning Systems used in Poland." Journal of Navigation 69, no. 3 (2016): 468–80. http://dx.doi.org/10.1017/s0373463315000879.

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Анотація:

This paper describes the genesis, the principle of operation and characteristics of selected radio-navigation positioning systems, which in addition to terrestrial methods formed a system of navigational marking constituting the primary method for determining the location in the sea areas of Poland in the years 1948–2000, and sometimes even later. The major ones are: maritime circular radiobeacons (RC), Decca-Navigator System (DNS) and Differential GPS (DGPS), as well as solutions forgotten today: AD-2 and SYLEDIS. In this paper, due to its limited volume, the authors have omitted the descript

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14

Zhang, Lu, and Gong Liu Yang. "Carrier-Phase Differential GPS/INS Integrated Navigation System." Advanced Materials Research 760-762 (September 2013): 457–61. http://dx.doi.org/10.4028/www.scientific.net/amr.760-762.457.

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According to high accuracy demand in the measurement field, this paper designs a high precision inertial measurement system by using DSP and ARM processor to realize carrier-phase differential GPS/INS integrated navigation. This paper chooses Kalman filter to estimate the systematic error, uses closed loop method to correct, and carries out carrier-phase differential GPS/INS data fusion. Through manipulating actual measurement data, the integrated navigation results indicate that position accuracy reaches cm level; velocity accuracy reaches cm/s level and attitude achieves high precision. The

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15

Popov, Sergey, Vladimir Zaborovsky, Leonid Kurochkin, Maksim Sharagin, and Lei Zhang. "Method of Dynamic Selection of Satellite Navigation System in the Autonomous Mode of Positioning." SPIIRAS Proceedings 18, no. 2 (2019): 302–25. http://dx.doi.org/10.15622/sp.18.2.302-325.

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Анотація:

Today, the list of applications that require accurate operational positioning is constantly growing. These tasks include: tasks of managing groups of Autonomous mobile robots, geodetic tasks of high-precision positioning, navigation and monitoring tasks in intelligent transport systems. Satellite navigation systems are a data source for operational positioning in such tasks. Today, global and local satellite navigation systems are actively used: GPS, GLONASS, BeiDou, Galileo. They are characterized by different completeness of satellite constellation deployment, which determines the accuracy o

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16

Chen, Zhen, Jialin Li, and Xiangdong Liu. "Spacecraft Autonomous GPS Navigation based on Polytopic Linear Differential Inclusion." Journal of Navigation 68, no. 3 (2014): 511–27. http://dx.doi.org/10.1017/s0373463314000770.

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Aiming at improving the poor real-time performance of existing nonlinear filtering algorithms applied to spacecraft autonomous navigation based on Global Positioning System (GPS) measurements and simplifying the algorithm design of navigation algorithms, a spacecraft autonomous navigation algorithm based on polytopic linear differential inclusion is proposed in this paper. Firstly, it is demonstrated that the nonlinear estimation error system of spacecraft autonomous navigation can be modelled as a polytopic linear differential inclusion system model according to the idea of global linearizati

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17

Hyun, Dongjun, Hyun Seok Yang, Hye Ri Park, and Hyuk-Sung Park. "Differential optical navigation sensor for mobile robots." Sensors and Actuators A: Physical 156, no. 2 (2009): 296–301. http://dx.doi.org/10.1016/j.sna.2009.10.007.

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18

Avramenko, E., and P. Demydenko. "USE OF REFERENCE STATIONS IN NAVIGATION." Shipping & Navigation 33, no. 1 (2022): 10–17. http://dx.doi.org/10.31653/2306-5761.33.2022.10-17.

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Анотація:

One of the most important instruments on a ship is the Global Navigation Satellite System (GNSS) receiver, which is designed to determine the ship's position. But these receivers, working with open source, determine the location of the vessel with an accuracy of (10 ... 15) m. In some situations, much greater accuracy is required. For this purpose, there were created stations that operate in differential mode, with their help you can determine the location of the vessel with an accuracy of 2-4 meters. Transmission of differential corrections from the base station to the consumer can be carried

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19

Denaro, Robert P., and Rudolph M. Kalafus. "Advances and Test Results in Differential GPS Navigation." Journal of Navigation 43, no. 1 (1990): 32–40. http://dx.doi.org/10.1017/s0373463300013795.

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The concept of differential GPS has been under study, test and refinement for about 10 years. Operational use of differential GPS is now practical, effective and highly reliable. Refinements to the concept of differential GPS have evolved over this period, several of which have been reported by Trimble Navigation personnel. It is now reasonable to conclude that the ‘second generation’ of differential GPS has arrived, with a collection of technical improvements and features that make its use even more accurate, robust and reliable.

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20

Miniaci, Maria Concetta, and Elvira De Leonibus. "Missing the egocentric spatial reference: a blank on the map." F1000Research 7 (February 9, 2018): 168. http://dx.doi.org/10.12688/f1000research.13675.1.

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Egocentric (self-centered) and allocentric (viewpoint independent) representations of space are essential for spatial navigation and wayfinding. Deficits in spatial memory come with age-related cognitive decline, are marked in mild cognitive impairment (MCI) and Alzheimer’s disease (AD), and are associated with cognitive deficits in autism. In most of these disorders, a change in the brain areas engaged in the spatial reference system processing has been documented. However, the spatial memory deficits observed during physiological and pathological aging are quite different. While patients wit

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21

Lakshmibai,, T. "Autonomous Navigation Vehicle (GAMYA Robot) - A Cost Effective ROS Based Platform for Real Time Mapping and Obstacle Avoidance." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 05 (2025): 1–9. https://doi.org/10.55041/ijsrem46831.

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Abstract—This paper presents GAMYA, a cost-effective autonomous navigation vehicle developed using the Robot Operating System 2 (ROS2) framework. The system integrates a Raspberry Pi 4 as the central processing unit, an Arduino Uno R3 for motor control, and a 2D LiDAR sensor for environmental perception. GAMYA is designed to perform real-time mapping, localization, and obstacle avoidance through the implementation of the ROS2 Navigation2 stack and SLAM Toolbox. A differential drive mechanism is employed, and odometry is computed using encoder feedback to support accurate navigation. The system

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22

Mendhe, Vishal. "Autonomous Navigation Mobile Robot using ROS, Raspberry Pi, RP Lidar, and Differential Drive Kinematics." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 06 (2025): 1–9. https://doi.org/10.55041/ijsrem49852.

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Abstract— Robots have transformed logistics, manufacturing, and exploration by automating tasks like mapping, navigation, or exploring the world. Additionally. The project is focused on creating an autonomous navigation robot that incorporates the latest technologies, including the Robot Operating System (ROS), Rapberry Pi 4 for computation, and RP Lidar for environmental scanning. Using differential drive (included in the robot) kinematics, it will be capable of real-time decision making and precise movement. Path planning and obstacle avoidance. By utilizing Simultaneous Localization and Map

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23

Fujiwara, Masahiro, and Ryu Funase. "Observability-Aware Differential Dynamic Programming with Impulsive Maneuvers." Journal of Guidance, Control, and Dynamics 47, no. 9 (2024): 1905–19. http://dx.doi.org/10.2514/1.g007798.

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In autonomous space systems, the reliability of navigation systems is essential. Observability in autonomous orbit determination techniques depends on the spacecraft’s orbital motion, making the design of autonomous navigation systems and orbital maneuvers a coupled process. This study develops a stable and efficient algorithm based on differential dynamic programming to design maneuver sequences that improve navigation performance. Our approach incorporates the Fisher information matrix into a cost function to quantify state observability and facilitates its convergence using a semi-analytic

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24

Sha, Jinzhao, and Shouxiang Zhang. "Research on four-sided differential localization algorithm for automated guided vehicles based on ultra-wideband." Journal of Physics: Conference Series 2787, no. 1 (2024): 012062. http://dx.doi.org/10.1088/1742-6596/2787/1/012062.

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Abstract To meet the high-precision positioning and navigation requirements of automated guided vehicles (AGV) in environments such as factories and workshops, this study utilizes ultra-wideband (UWB) positioning technology and designs a multi-tag differential localization algorithm to enhance the positioning accuracy of AGV. Starting from the current research status of AGV positioning and navigation, the paper provides a detailed introduction to the concept, process, and practical applications of the UWB differential localization algorithm. The maximum static positioning accuracy for UWB is 6

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25

Liao, Shilong, Zhaoxiang Qi, and Zhenghong Tang. "A Differential Measurement Method for Solving the Ephemeris Observability Issues in Autonomous Navigation." Journal of Navigation 68, no. 6 (2015): 1133–40. http://dx.doi.org/10.1017/s0373463315000417.

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The autonomous navigation of navigation and positioning systems such as the Global Positioning System (GPS) and other Global Navigation Satellite Systems (GNSS) was motivated to improve accuracy and survivability of the navigation function for 180 days without ground contact. These improvements are accomplished by establishing inter-satellite links in the constellation for pseudo-range observations and communications between satellites. But observability issues arise for both ephemeris and clock since the pseudo-range describes only the relative distance between satellites. A differential meas

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26

Raible, Jakob, Michael Blaich, and Oliver Bittel. "Differential GPS supported navigation for a mobile robot." IFAC Proceedings Volumes 43, no. 16 (2010): 318–23. http://dx.doi.org/10.3182/20100906-3-it-2019.00056.

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27

KOBAYASHI, Kazuyuki, Fumio MUNEKATA, Kajiro WATANABE, and Osamu MURAYAMA. "On the Hybrid Vehicle Navigation with Differential GPS." Transactions of the Society of Instrument and Control Engineers 31, no. 7 (1995): 880–88. http://dx.doi.org/10.9746/sicetr1965.31.880.

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28

Kee, C., and B. W. Parkinson. "Wide area differential GPS (WADGPS): future navigation system." IEEE Transactions on Aerospace and Electronic Systems 32, no. 2 (1996): 795–808. http://dx.doi.org/10.1109/7.489522.

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29

Wang, Liang, and Yan Yan. "Indoor and Outdoor Fusion Positioning Technology Based on BeiDou Satellite Navigation." Highlights in Science, Engineering and Technology 56 (July 14, 2023): 380–84. http://dx.doi.org/10.54097/hset.v56i.10698.

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Анотація:

In order to solve the inaccuracy and discontinuity of BeiDou differential indoor and outdoor navigation and positioning, this article highlights an indoor and outdoor fusion positioning method based on BeiDou differential and WIFI. This positioning method combines the micro-inertial navigation positioning technology with a single positioning method such as Bluetooth, WIFI fingerprint, ZigBee, ultra-wideband UWB, etc., to correct the BeiDou pseudo range equation to reduce the spatial pseudo range error. And it can integrate BeiDou differential pseudo range equation and linear filtering algorith

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30

Moussa, Mohamed, Shady Zahran, Mostafa Mostafa, Adel Moussa, Naser El-Sheimy, and Mohamed Elhabiby. "Optical and Mass Flow Sensors for Aiding Vehicle Navigation in GNSS Denied Environment." Sensors 20, no. 22 (2020): 6567. http://dx.doi.org/10.3390/s20226567.

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Анотація:

Nowadays, autonomous vehicles have achieved a lot of research interest regarding the navigation, the surrounding environmental perception, and control. Global Navigation Satellite System/Inertial Navigation System (GNSS/INS) is one of the significant components of any vehicle navigation system. However, GNSS has limitations in some operating scenarios such as urban regions and indoor environments where the GNSS signal suffers from multipath or outage. On the other hand, INS standalone navigation solution degrades over time due to the INS errors. Therefore, a modern vehicle navigation system de

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31

Wilson, Gregory J., and Jeffrey D. Tonnemacher. "A GPS Attitude Determination System." Journal of Navigation 45, no. 2 (1992): 192–204. http://dx.doi.org/10.1017/s0373463300010699.

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In 1991 Trimble Navigation introduced a Global Positioning System (Gps)-based attitude determination receiver capable of 3-axis solutions with accuracy to several milliradians for airborne, sea and land platforms. This paper discusses the physical, architectural, and operational features of this receiver system. Analysis of system performance will also be reviewed for various configurations and user applications. The Trimble Navigation attitude determination receiver uses differential carrier phase techniques to determine azimuth, pitch and roll angles of a 3-antenna array. This product is des

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32

Babaarslan, Murat, and Yusuf Yayli. "Differential Equation of the Loxodrome on a Helicoidal Surface." Journal of Navigation 68, no. 5 (2015): 962–70. http://dx.doi.org/10.1017/s0373463315000181.

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Анотація:

In nature, science and engineering, we often come across helicoidal surfaces. A curve on a helicoidal surface in Euclidean 3-space is called a loxodrome if the curve intersects all meridians at a constant azimuth angle. Thus loxodromes are important in navigation. In this paper, we find the differential equation of the loxodrome on a helicoidal surface in Euclidean 3-space. Also we give some examples and draw the corresponding pictures via the Mathematica computer program to aid understanding of the mathematics of navigation.

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33

Wang, Lina, and Linlin Li. "Fog Computing-Based Differential Positioning Method for BDS." Wireless Communications and Mobile Computing 2018 (July 5, 2018): 1–9. http://dx.doi.org/10.1155/2018/3173067.

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Анотація:

As one of the four global satellite navigation and positioning systems, BeiDou satellite navigation system (BDS) has received increasingly more attention. The differential positioning technology of BDS has greatly enhanced its accuracy and meets the needs of high-precision applications, but its positioning time still has much room for improvement. Fog computing allows the use of its services with low latency and mobility support to make up for the disadvantages of differential positioning algorithm. The paper proposes the fog computing-based differential positioning (FCDP) method which introdu

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34

Bazylev, A. V., and V. I. Plyushchaev. "Digital information system for inland water transport vessels based on AIS." Journal of Physics: Conference Series 2131, no. 3 (2021): 032031. http://dx.doi.org/10.1088/1742-6596/2131/3/032031.

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Анотація:

Abstract The most important role in ensuring navigation safety on inland waterways is played by the timely provision of navigators with timely and reliable navigational, meteorological and track information, as well as safety information. To solve this problem, the complexes of automatic identification stations’ coastal and ship networks deployed currently can be used. This communication channel (with free traffic for inland waterway transport) is currently used extremely ineffectively due to a small number of serviced vessels. The article substantiates the structure of a digital information s

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35

Zakaria, Mohamed, Talaat Ibrahim, Alaa El Din Sayed Hafez, and Hesham Abdin. "Evaluation of Guidance Laws Performance Sing Genetic Algorithm." Applied Mechanics and Materials 598 (July 2014): 723–30. http://dx.doi.org/10.4028/www.scientific.net/amm.598.723.

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Several conditions affect the performance of guidance law like target parameters or delayed line of sight rate. A variable navigation ratio is used to enhance the performance of guidance law. In this paper a Genetic Algorithm is used to formulate different forms of variable gains and measure the miss distance. An optimization process is running to find the minimum miss distance. The average values and standard deviation of miss distance for all genetic algorithm individuals are calculated to measure the performance and robustness of guidance law. Two guidance laws are considered proportional n

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36

Lin, Tzu-Chao, Chao-Chun Chen, and Cheng-Jian Lin. "Navigation control of mobile robot using interval type-2 neural fuzzy controller optimized by dynamic group differential evolution." Advances in Mechanical Engineering 10, no. 1 (2018): 168781401775248. http://dx.doi.org/10.1177/1687814017752483.

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Анотація:

This study developed and effectively implemented an efficient navigation control of a mobile robot in unknown environments. The proposed navigation control method consists of mode manager, wall-following mode, and towards-goal mode. The interval type-2 neural fuzzy controller optimized by the dynamic group differential evolution is exploited for reinforcement learning to develop an adaptive wall-following controller. The wall-following performance of the robot is evaluated by a proposed fitness function. The mode manager switches to the proper mode according to the relation between the mobile

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37

Vasile, Vlad-Cosmin, Corina Naforniţa, Monica Borda, and Teodor Mitrea. "Peculiarities Regarding Satellite Navigation on the Territory of Romania." International conference KNOWLEDGE-BASED ORGANIZATION 25, no. 3 (2019): 69–73. http://dx.doi.org/10.2478/kbo-2019-0120.

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Abstract This paper describes the particularities of satellite navigation on the territory of Romania in search of solutions to improve the accuracy of these systems. The performance of a Global Navigation Satellite System (GNSS) is influenced by many factors, including distortion of the signal, the influence of the ionosphere and the troposphere, multipath propagation. Some of these factors depend on the geographical position and the environment in which the navigation system is used. Moreover, Romania is located at the border of coverage of two Satellite Based Augmentation Systems (SBAS) – E

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38

Demyanov, Vladislav, Boris Shurygin, and Olga Imarova. "GNSS availability monitoring method for railway transport." MATEC Web of Conferences 216 (2018): 01001. http://dx.doi.org/10.1051/matecconf/201821601001.

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The article studies relevant problem of real time monitoring - the availability of the required GNSS navigation characteristics, which is required for railway rolling stock traffic automation. As prototypes, the main approaches to monitoring the availability of the required navigation characteristics of WAAS EGNOS wide area differential systems users were analyzed. It was shown that the use of the total probability of violation of the required navigation characteristics without decomposition of an equivalent range error is an appropriate approach for building the algorithm for monitoring the a

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39

Zeng, Wei, Tifan Xiong, and Chao Wang. "Optimization of Smooth Trajectories for Two-Wheel Differential Robots Under Kinematic Constraints Using Clothoid Curves." Sensors 25, no. 10 (2025): 3143. https://doi.org/10.3390/s25103143.

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Navigation is a fundamental technology for mobile robots. However, many trajectory planning methods suffer from curvature discontinuities, leading to instability during robot operation. To address this challenge, this paper proposes a navigation scheme that adheres to the kinematic constraints of a two-wheeled differential-drive robot. An improved and efficient RRT algorithm is employed for global navigation, while an adaptive clothoid curve is utilized for local trajectory smoothing. Simulation results demonstrate that the proposed method effectively eliminates curvature discontinuities and e

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40

Liu, Ying, Wenhai Jiao, Longxia Xu, and Xiaohui Li. "Differential Timing Method Based on Modified Traceability Model." Journal of Navigation 73, no. 6 (2020): 1326–39. http://dx.doi.org/10.1017/s0373463320000314.

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The common view time transfer and two-way time and frequency transfer methods are currently the main means for achieving time synchronisation at nanosecond level. However, these methods have some limitations in real time and cost, which limit their wide applications in many fields, such as time synchronisation among base stations of the upcoming 5G network. In order to meet the requirements of nanosecond time synchronisation, a low-cost differential timing method is proposed in this paper by changing the manner of generation of traceability model parameters in GNSS navigation messages. The tim

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41

Zhao, Yu-xin, Wang Li, Shaojun Feng, Washington Y. Ochieng, and Wolfgang Schuster. "An Improved Differential Evolution Algorithm for Maritime Collision Avoidance Route Planning." Abstract and Applied Analysis 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/614569.

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High accuracy navigation and surveillance systems are pivotal to ensure efficient ship route planning and marine safety. Based on existing ship navigation and maritime collision prevention rules, an improved approach for collision avoidance route planning using a differential evolution algorithm was developed. Simulation results show that the algorithm is capable of significantly enhancing the optimized route over current methods. It has the potential to be used as a tool to generate optimal vessel routing in the presence of conflicts.

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42

Renga, Alfredo, Michele Grassi, and Urbano Tancredi. "Relative Navigation in LEO by Carrier-Phase Differential GPS with Intersatellite Ranging Augmentation." International Journal of Aerospace Engineering 2013 (2013): 1–11. http://dx.doi.org/10.1155/2013/627509.

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Carrier-phase differential GPS (CDGPS) is a promising technology for accurate relative navigation in LEO formations of cooperating satellites, but navigation filter robustness against poor GPS geometry and noisy measurements has to be improved. This can be performed by augmenting the navigation filter with intersatellite local ranging measurements, as the ones provided by ranging transponders or GNSS-like systems. In this paper, an augmented CDGPS navigation filter is proposed for the formation of two satellites characterized by a short, varying baseline, relevant to next generation Synthetic

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43

Naveen Kashyap and Dr. B. V. Padamvar. "Differential Difference Equations in Trajectory Planning and Control for Differential Drive Robots: A Comprehensive Exploration." Journal of Advances in Science and Technology 21, no. 1 (2024): 35–42. http://dx.doi.org/10.29070/5c5t1x55.

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This paper provides a thorough investigation into the utilisation of differential difference equations (DDEs) for the purposes of trajectory planning and control in the context of differential drive four-wheeled robots. The inclusion of sensor and control delays is crucial when developing navigation strategies that are both resilient and efficient for robots functioning in dynamic environments. Differential delay equations (DDEs) provide a robust mathematical framework for representing the dynamics of such systems, facilitating precise and reliable path tracking. In order to demonstrate the ve

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44

Khutortsev, V. V. "Spatial-differential principles for solving the degenerate navigation problem." Automatic Control and Computer Sciences 48, no. 4 (2014): 229–38. http://dx.doi.org/10.3103/s0146411614040038.

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45

Klingler, Charles F., Michael R. Wroblewski, and Scott Krammes. "Laptop Automated Navigation Aid Positioning System with Differential GPS." Journal of Surveying Engineering 118, no. 4 (1992): 130–34. http://dx.doi.org/10.1061/(asce)0733-9453(1992)118:4(130).

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46

Zhao, Sheng, Yiming Chen, Haiyu Zhang, and Jay A. Farrell. "Differential GPS aided Inertial Navigation: a Contemplative Realtime Approach." IFAC Proceedings Volumes 47, no. 3 (2014): 8959–64. http://dx.doi.org/10.3182/20140824-6-za-1003.01658.

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47

Snyder, S., B. Schipper, L. Vallot, N. Parker, and C. Spitzer. "Differential GPS/inertial navigation approach/landing flight test results." IEEE Aerospace and Electronic Systems Magazine 7, no. 5 (1992): 3–11. http://dx.doi.org/10.1109/62.257086.

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48

Chocron, S., and D. Choukroun. "Robust relative navigation for spacecraft rendezvous using differential drag." Acta Astronautica 158 (May 2019): 32–43. http://dx.doi.org/10.1016/j.actaastro.2018.10.038.

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49

PIETRASZEWSKI, D., J. SPALDING, C. VIEHWEG, and L. LUFT. "U.S. Coast Guard Differential GPS Navigation Field Test Findings." Navigation 35, no. 1 (1988): 55–72. http://dx.doi.org/10.1002/j.2161-4296.1988.tb00940.x.

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50

Ferreira, Miguel A., Luís C. Moreira, and António M. Lopes. "Autonomous Navigation System for a Differential Drive Mobile Robot." Journal of Testing and Evaluation 52, no. 2 (2024): 20230191. http://dx.doi.org/10.1520/jte20230191.

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