Academic literature on the topic 'Ship electronic navigation'

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Journal articles on the topic "Ship electronic navigation"

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Szelangiewicz, Tadeusz, Katarzyna Żelazny, Andrzej Antosik, and Maciej Szelangiewicz. "Application of Measurement Sensors and Navigation Devices in Experimental Research of the Computer System for the Control of an Unmanned Ship Model." Sensors 21, no. 4 (February 12, 2021): 1312. http://dx.doi.org/10.3390/s21041312.

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Unmanned autonomous transport vessels (MASS) are the future of maritime transport. The most important task in the design and construction of unmanned ships is to develop algorithms and a computer program for autonomous control. In order for such a computer program to properly control the ship (realizing various functions), the ship must be equipped with a computer system as well as measurement sensors and navigation devices, from which the recorded parameters are processed and used for autonomous control of the ship. Within the framework of conducted research on autonomous ships, an experimental model of an unmanned ship was built. This model was equipped with a propulsion system not commonly used on transport vessels (two azimuth stern thrusters and two bow tunnel thrusters), but providing excellent propulsion and steering characteristics. A complete computer system with the necessary measuring sensors and navigation devices has also been installed in the model of the ship, which enables it to perform all functions during autonomous control. The objective of the current research was to design and build a prototype computer system with the necessary measurement sensors and navigation devices with which to autonomously control the unmanned ship model. The designed computer system is expected to be optimal for planned tasks during control software tests. Tests carried out on open waters confirmed the correctness of the operation of the computer system and the entire measurement and navigation equipment of the built model of the unmanned transport vessel.
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Zhang, Wang, Liu, and Chen. "Decision-Making for the Autonomous Navigation of Maritime Autonomous Surface Ships Based on Scene Division and Deep Reinforcement Learning." Sensors 19, no. 18 (September 19, 2019): 4055. http://dx.doi.org/10.3390/s19184055.

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This research focuses on the adaptive navigation of maritime autonomous surface ships (MASSs) in an uncertain environment. To achieve intelligent obstacle avoidance of MASSs in a port, an autonomous navigation decision-making model based on hierarchical deep reinforcement learning is proposed. The model is mainly composed of two layers: the scene division layer and an autonomous navigation decision-making layer. The scene division layer mainly quantifies the sub-scenarios according to the International Regulations for Preventing Collisions at Sea (COLREG). This research divides the navigational situation of a ship into entities and attributes based on the ontology model and Protégé language. In the decision-making layer, we designed a deep Q-learning algorithm utilizing the environmental model, ship motion space, reward function, and search strategy to learn the environmental state in a quantized sub-scenario to train the navigation strategy. Finally, two sets of verification experiments of the deep reinforcement learning (DRL) and improved DRL algorithms were designed with Rizhao port as a study case. Moreover, the experimental data were analyzed in terms of the convergence trend, iterative path, and collision avoidance effect. The results indicate that the improved DRL algorithm could effectively improve the navigation safety and collision avoidance.
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Wang, Peng, and Ding Bu. "The Optimization Design for Ship Lock Structure." Journal of Computational and Theoretical Nanoscience 13, no. 10 (October 1, 2016): 7257–61. http://dx.doi.org/10.1166/jctn.2016.5703.

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Ship lock is one of the main methods for navigation. It usually guarantees ships go through the lock safely. Therefore, the proper design of ship lock is extraordinarily significant. This paper will set one ship lock project as an example, and discuss the ship lock structure by Abaqus finite element analysis. And then, it will discuss the key factors which affect ship lock’s safety and stability. Finally, optimization design for ship lock structure will be provided.
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Liu, Xiao Hua, Mei Han, Xiao Hui Lin, and Neng Pu Yang. "Quantitative Safety Assessment Based on Risk in Level-Crossing between Railway and Highway." Applied Mechanics and Materials 536-537 (April 2014): 854–57. http://dx.doi.org/10.4028/www.scientific.net/amm.536-537.854.

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In this paper, a portable integrated ship monitoring command system is designed to meet the needs of automatic maritime security working, remote monitoring and commanding ship, while adapting the harsh working environment. The propose ship monitoring command system has merits of ease of installation, highly-integrated features, easy-to-use, and so on. Application of Beidou Navigation Satellite System's high precision positioning and SMS(Short Messaging Service) communication technology in integrated ship monitoring command system can well solve the problem of ship navigation and positioning, remote monitoring and commanding. In our system, ECDIS( Electronic Chart Display and Information System) is chosen as the display platform, HF(High frequency), VHF(Very high frequency) and Beidou is chosen as the communicational measure, Beidou and GPS is chosen as the positioning measure. With the help of the above measures, the static and dynamic data of ship, real-time voice and text are transported to realize the function of ship positioning, ship navigation, remote monitoring and commanding.
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Lazarowska, Agnieszka. "Safe Ship Control Method with the Use of Ant Colony Optimization." Solid State Phenomena 210 (October 2013): 234–44. http://dx.doi.org/10.4028/www.scientific.net/ssp.210.234.

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Nowadays Integrated Bridge Systems are applied on board a ship to increase safety of navigation. These systems consist of many electronic devices such as radar, ECDIS and autopilot, which aid the deck officer in the process of conducting navigation. Despite that, ship accidents caused by human error still occur. The paper presents new method of safe ship control in collision situations. Ant Colony Optimization is applied to determine safe ship trajectory. Developed algorithm is applicable for situations in restricted waters, where most of collision situations occur. International Regulations for Preventing Collisions at Sea (COLREGs) are taken into consideration in the process of solution construction. The task of collision avoidance at sea is defined as dynamic optimization problem with the use of static and dynamic constraints. Static constraints are represented by lands, canals, shallows, fairways, while other ships constitute dynamic constraints. Described method was implemented in MATLAB programming language. Performed simulation tests results of encounter situations with one target ship as well as with many target vessels are presented. Received solutions confirm successful application of this method to the problem of ships collisions avoidance. Developed algorithm deals also with more complex situations. This new algorithm is planned to be implemented in anti-collision decision support system on board a ship, what would contribute to enhance safety of maritime transport.
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Šarolić, Antonio, and Borivoj Modlic. "Radiation Hazard Aspect of Shipboard Radiocommunication Equipment." Journal of Communications Software and Systems 3, no. 2 (June 21, 2007): 123. http://dx.doi.org/10.24138/jcomss.v3i2.261.

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The paper analyzes the electromagnetic (EM) radiofrequency (RF) radiation hazards onboard a ship arising from shipboard radiocommunication and navigation equipment. EM field effect on personnel and equipment can be harmful if field levels exceed the threshold values. These fields need to be controlled for proper protection. Ships are equipped with lots of EM RF radiation sources with different frequencies and output power levels. Typical shipboard EM RF radiation sources include: terrestrial radiocommunication transmitters, navigational radars and satellite ship earth stations (SES). Examples of these sources are analyzed in the paper. EM field estimation using simple worst-case calculation is given for a typical HF transmitter, X-band navigational radar and the Inmarsat SES A, B, C, F and M. The estimation problems are discussed. The calculation results are compared with international civil and military standards. The results show that potential hazards exist and that a reasonable amount of caution is needed.
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Gao, Miao, and Guo-You Shi. "Ship Spatiotemporal Key Feature Point Online Extraction Based on AIS Multi-Sensor Data Using an Improved Sliding Window Algorithm." Sensors 19, no. 12 (June 16, 2019): 2706. http://dx.doi.org/10.3390/s19122706.

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Large volumes of automatic identification system (AIS) data provide new ideas and methods for ship data mining and navigation behavior pattern analysis. However, large volumes of big data have low unit values, resulting in the need for large-scale computing, storage, and display. Learning efficiency is low and learning direction is blind and untargeted. Therefore, key feature point (KFP) extraction from the ship trajectory plays an important role in fields such as ship navigation behavior analysis and big data mining. In this paper, we propose a ship spatiotemporal KFP online extraction algorithm that is applied to AIS trajectory data. The sliding window algorithm is modified for application to ship navigation angle deviation, position deviation, and the spatiotemporal characteristics of AIS data. Next, in order to facilitate the subsequent use of the algorithm, a recommended threshold range for the corresponding two parameters is discussed. Finally, the performance of the proposed method is compared with that of the Douglas–Peucker (DP) algorithm to assess its feature extraction accuracy and operational efficiency. The results show that the proposed improved sliding window algorithm can be applied to rapidly and easily extract the KFPs from AIS trajectory data. This ability provides significant benefits for ship traffic flow and navigational behavior learning.
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Svilicic, Rudan, Jugović, and Zec. "A Study on Cyber Security Threats in a Shipboard Integrated Navigational System." Journal of Marine Science and Engineering 7, no. 10 (October 12, 2019): 364. http://dx.doi.org/10.3390/jmse7100364.

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The integrated navigational system (INS) enhances the effectiveness and safety of ship navigation by providing multifunctional display on the basis of integration of at least two navigational functions, the voyage route monitoring with Electronic Chart Display and Information System (ECDIS) and collision avoidance with radar. The INS is essentially a software platform for fusion of data from the major ECDIS and radar systems with sensors for the additional navigation functions of route planning, status and data display, and alert management. This paper presents a study on cyber security resilience examination of a shipboard INS installed on a RoPax ship engaged in international trade. The study was based on a mixed-method approach, combining an interview of the ship's navigational ranks and cyber security testing of the INS using an industry vulnerability scanner. The identified threats were analyzed qualitatively to study the source of cyber risks threatening the INS. The results obtained point out cyber threats related to weaknesses of the INS underlying operating system, suggesting a need for occasional preventive maintenance in addition to the regulatory compliance required.
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Breedveld, D. "Waypoint Navigation for Rivercraft?" Journal of Navigation 52, no. 1 (January 1999): 136–38. http://dx.doi.org/10.1017/s0373463398008194.

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Anticipating that transport on the West European inland waterways will increase in volume, in ship size and in speed, experiments are being carried out to investigate whether safety of navigation – including traffic management – can be improved by the employment of GPS or DGPS, electronic navigation charts, river radar and computer technology. Although waypoint navigation and collision avoidance systems are generally accepted in the maritime world, these methods could cause problems when applied on inland waterways.
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Tsou, Ming-Cheng, and Hung-Chih Cheng. "An Ant Colony Algorithm for efficient ship routing." Polish Maritime Research 20, no. 3 (September 1, 2013): 28–38. http://dx.doi.org/10.2478/pomr-2013-0032.

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Abstract With the substantial rising of international oil price and global warming on the rise, how to reduce operational fuel consumption and decrease air pollution has become one of the pursued goals of green ship. Ship route planning is an indispensible part of the ship navigation process, especially in transoceanic crossing ship routing. The soundness of ship routing not only affects the safety of ship navigation but also the operation economy and environmental protection. This research is based on the platform of Electronic Chart Display and Information System (ECDIS), and founded on Ant Colony Algorithm (ACA) combined with the concept of Genetic Algorithm (GA), to model living organisms optimization behaviour to perform efficient ship route planning in transoceanic crossing. Besides the realization of route planning automation, ship routing will achieve the goal of optimum carbon dioxide reduction and energy conservation, and provide reference for route planning decision.
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Dissertations / Theses on the topic "Ship electronic navigation"

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Miller, Keith McGowan. "A navigation and automatic collision avoidance system for marine vehicles." Thesis, University of Plymouth, 1990. http://hdl.handle.net/10026.1/2503.

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Collisions and groundings at sea still occur, and can result in financial loss, loss of life, and damage to the environment. Due to the size and capacity of moden vessels, damage can be extensive. Statistics indicate that the primary cause of accidents at sea is human error, which is often attributed to misinterpretation of the information presented to the mariner. Until recently, data collected from sensors about the vessel were displayed on the bridge individually, leaving the mariner to assimilate the material, make decisions and alter the vessels controls as appropriate. With the advent of the microprocessor a small amount of integration has taken place, but not to the extent that it has in other industries, for example the aerospace industry. This thesis presents a practical method of integrating all the navigation sensors. Through the use of Kalman filtering, an estimate of the state of the vessel is obtained using all the data available. Previous research in this field has not been implemented due to the complexity of the ship modelling process required, this is overcome by incorporating a system identification proceedure into the filter. The system further reduces the demands on the mariner by applying optimal control theory to guide the vessel on a predetermined track. Hazards such as other vessels are not incorporated into this work but they are specified in further research. Further development work is also required to reduce computation time.
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Nilsson, Mao-Wei. "Autonomous Docking and Navigation of ships using Model Predictive Control." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-235205.

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Autonomous shipping is a coming field, where it will be important tooperate a ship without manual intervention. Although there are manyissues yet to be solved, not the least the legal ones, it would be interestingto investigate functions that already now would be possibleto use in today’s ship operation. One such field is autonomous navigationin narrow areas. The purpose of this study is to implement amotion control system to navigate marine vessel autonomously, and aGuidance, Navigation and Control system (GNC) is implemented fordocking and navigating vessels. Voronoi diagram is used for generatinga waypoint list for waypoint tracking. MPC with integral actionis applied to control the vessel for reducing model mismatches andconstant disturbance from current and wind. We performed the GNCsystem for South Harbour of Helsinki, and shown that the vessel isnavigated and docked at port. Moreover, we studied the effects of disturbanceto keep the controller stabilized and suggested an upper limitfor the disturbance.
Autonomt framförande av skepp är ett växande fält där det kommer att bli viktigt att manövrera ett fartyg utan manuell ingrepp. Även om det fortfarande finns många problem kvar att lösa, inte minst de ju- ridiska, vore det intressant att undersöka funktioner som redan nu skulle kunna användas i dagens fartygsoperationer. Ett sådant fält är autonom navigering i trånga områden. Syftet med denna studie är att implementera ett rörelsekontroll system för autonom navigering av marina fordon och ett väglednings-, navigations- och kontrollsystem för angöring vid kaj för fartyg. Voronoidiagram används för att gene- rera en lista med koordinater att följa. MPC med integralverkan an- vänds för att styra fartyget för att minska inverkan av modellfel och konstanta störning från strömmar och vind. Vi gjorde simuleringar för Södra Hamnen i Helsingfors och visade att fartyget navigeras genom hamnen och angör kajen. Dessutom studerade vi effekterna av stör- ningar för att hålla systemet stabiliserat och föreslog en övre gräns för störningenar från strömmar.
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Kříž, Tomáš. "Webové aplikace s ohledem na přístupnost." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-218209.

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This master’s thesis deals with problems of the web applications with respect to accessibility. At first it describes accessibility of the web pages. There are mentioned main reasons and initiatives for making accessible web pages. The first chapter is also aims to handicapped users. The handicapped users are separated to groups according to their handicap and impacts on accessibility of the web pages. The second chapter presents methodics of the accessible website, Czech and foreign rules and lawful orders. The foreign (WCAG, Section 508) and the Czech (Blind Friendly Web and Pravidla pro tvorbu přístupného webu) representatives of the rules are introduced in the next part of this chapter. The idea of the accessible web application – electronic shop - is presented in the third chapter. There are subscribed the conception of electronic shop, advantages and disadvantages and main functions. In the next part of this chapter there are mentioned the primary rules of the writing the source code of the web pages which are used during the creating of the accessible web application of the electronic shop. Closely there are introduced scripting language PHP, database system MySQL and Cascading Styles Sheets (CSS). The part of the master’s thesis is a mentioned accessible web application of the electronic shop. The presentation is placed on http://www.xandy.cz/tmp/ and presents the accessible web system with the respect to accessibility. Creation and description of this web application is mentioned in the last fourth chapter.
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Books on the topic "Ship electronic navigation"

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Navigational systems and simulators: Marine navigation and safety of sea transportation. Boca Raton: CRC Press, 2011.

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D, Calcutt, ed. Electronic aids to navigation. London: Arnold, 1986.

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Tetley, L. Electronic aids to navigation: Position fixing. London: E. Arnold, 1991.

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Symposium, Maritime Elektronik (8th 1995 Rostock Germany). 8. Symposium Maritime Elektronik. Rostock: Universität Rostock, Fachbereich Elektrotechnik, 1995.

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Symposium Maritime Elektronik (8th 1995 Rostock, Germany). 8. Symposium Maritime Elektronik. Rostock: Universität Rostock, Fachbereich Elektrotechnik, 1995.

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Commission, Monopolies and Mergers. Marine radio navigation receivers: A report on the supply in the United Kingdom of marine radio navigation receivers compatible with the Decca navigator system. London: HMSO, 1987.

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Hang hai mo ni qi. Beijing Shi: Ke xue chu ban she, 2013.

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C, Payne John. Understanding boat electronics. Dobbs Ferry, NY: Sheridan House, 2006.

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Understanding boat electronics. Dobbs Ferry, NY: Sheridan House, 2006.

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Commission, Monopolies and Mergers. Marine radio navigation receivers: A report on the supply in the United Kingdom of marine radio navigation receivers compatible with the Decca Navigation System. London: HMSO, 1987.

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Book chapters on the topic "Ship electronic navigation"

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Ahn, K., M. Hwang, Y. Kim, and B. Kim. "Implementation of Ship Collision Avoidance Supporting System on Electronic Chart Display and Information System." In Marine Navigation and Safety of Sea Transportation, 43–48. CRC Press, 2013. http://dx.doi.org/10.1201/b14961-9.

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Lisaj, A. "Electronic reporting of ships in the RIS system." In Marine Navigation and Safety of Sea Transportation. CRC Press, 2009. http://dx.doi.org/10.1201/9780203869345.ch67.

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"2 Electronic reporting of ships in the RIS system." In Marine Navigation and Safety of Sea Transportation, 405–8. CRC Press, 2009. http://dx.doi.org/10.1201/9780203869345-80.

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Hurson, Ali R., and Xing Gao. "Location-Based Services." In Electronic Services, 759–66. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-61520-967-5.ch046.

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The past decade has seen advances in wireless network technologies and an explosive growth in the diversity of portable computing devices such as laptop computers, handheld personal computers, personal digital assistants (PDAs), and smart phones with Internet access. Wireless networking technologies and portable devices enable users to access information in an “anytime, anywhere” fashion. For example, a mobile user (MU) on the highway may query local weather, traffic information, nearby gas stations, next rest areas, or restaurants within 10 miles. Such new demands introduce a new type of services, location-based services (LBS), where certain location constraints (e.g., the user’s current location) are used in the service provision. The idea of queries with location constraints is originally introduced by Imielinski and Badrinath (1992), in which mobile users are likely to query information relating to their current positions, leading to the need for LBS. Such services are also termed as location dependent information services (LDIS) in Lee, Lee, Xu, and Zheng (2002). LBS system is the context sensitive systems in a mobile computing environment that consider the user’s location as a significant and dynamic factor affecting the information and services delivered to the users. The major LBS applications include: • Destination guides with maps, driving directions, and real time prompt • Location-based traffic and weather alerts • Wireless advertising and electronic coupons to nearby mobile devices • Movie, theatre and restaurant location and booking • Store locating applications helping users to find the desired services • Telematics-based roadside assistance (e.g., OnStar from General Motors) • Personal content and messaging (Live Chat with friends) • Mobile Yellow Pages provide local information • Information Services (News, Stocks, Sports) • E911: (Wireless carriers provide wireless callers’ numbers and locations.) Generally, LBS services can be classified into three general categories: telematics LBS, Internet LBS, and wireless LBS (Telc). Telematics LBS is the integration of wireless communications, vehicle monitoring systems, and location devices. Telematics LBS applications include automated vehicle location, fleet tracking, online navigation, and emergency assistance. For example, a trucking company can track all their fleet, proactively warn about traffic ahead, and estimate the arrival time. Commercial LBS providers are beginning to offer important management applications that help direct vehicle fleets and ensure optimal usage of key assets. Telematics LBS is a multibillion dollar service industry and is currently the largest segment of the LBS market (Telc). Internet LBS provide Internet users the services relevant to their specified locations. Because they use a user-specified location instead of the user’s current location, no positioning technology is required. For example, one can find turn-by-turn driving direction from one location to another and search for tour information about the destination. These services are targeting applications with stationary users, relatively powerful computers, and reliable network connections. As a result, Internet LBS support sophisticated services, such as local business searching and comparison, trip planning, online virtual tours, and so forth. Wireless LBS deliver location relevant content to cell phones, PDAs, and other wireless devices. Equipped with automated positioning technologies, MUs can query local weather, nearby traffic information, and local businesses close to them. For example, a user can search neighboring post office or coffer shop from the PDA. The wireless LBS market is currently in a nascent stage, but it will potentially become the largest segment of the LBS market. The deployment of third generation (3G) mobile network, which support handsets that are both mobile and location sensitive, will lead to more wireless LBS subscribers and more useful LBS applications.
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Conference papers on the topic "Ship electronic navigation"

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Pan, Nian, Xiaoyong Bai, Xiaolong Jiang, Shuo Ma, and Yinyin Peng. "Research on Ship Navigation Electronic Chart System Based on Computer Big Data Accurate Positioning." In 2021 IEEE International Conference on Artificial Intelligence and Computer Applications (ICAICA). IEEE, 2021. http://dx.doi.org/10.1109/icaica52286.2021.9498111.

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Xie, Hongsen, Peng Zhou, Weijun Chen, and Baokuan Luan. "Improvement and Research of Multipath Time Delay Estimation Algorithm for Ship-borne Aviation Navigation Positioning Signals." In 2014 International Conference on Mechatronics, Control and Electronic Engineering (MCE-14). Paris, France: Atlantis Press, 2014. http://dx.doi.org/10.2991/mce-14.2014.11.

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Heron, M. L. "HF Ocean Radars in Ship Navigation." In 2018 IEEE 27th International Symposium on Industrial Electronics (ISIE). IEEE, 2018. http://dx.doi.org/10.1109/isie.2018.8433666.

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Meilei, Jiang, Feng Jianfeng, and Zhao Peng. "Performance Analysis of Different Positioning Modes of Navigation Software of Central Ship System of Survey Ship." In 2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA). IEEE, 2021. http://dx.doi.org/10.1109/icpeca51329.2021.9362625.

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Wu, Jinlong. "Study on safety evaluation system of ship navigation based on the environment of Bohaisea." In International Conference on Industrial Electronics and Engineering. Southampton, UK: WIT Press, 2014. http://dx.doi.org/10.2495/iciee140891.

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Willett, Fred T., and Mark Patel. "LM500: Packaged Power for the All-Electric Ship." In ASME Turbo Expo 2006: Power for Land, Sea, and Air. ASMEDC, 2006. http://dx.doi.org/10.1115/gt2006-90252.

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Increased shipboard electricity demand, for propulsion, navigational electronics, reduced crew size, and other purposes, has created a need for marinized gas turbine generator sets. The LM500 is a versatile 4 MW class aeroderivative gas turbine with a solid track record. The LM500 gas turbine is now equipped with a dual-redundant 21st century digital control system, which also manages the gas turbine generator set. In addition, to improve combustor life at a rated power, the marinized LM500 was modified for the engineering development model (EDM), and the turbine hot section components proven in the CF34-3B — the life improved model of its aero engine counterpart, may be offered for production. The gas turbine has been fully integrated on a common base with a 4 MW generator and all auxiliary equipment. An epicyclic gearbox was used to reduce power turbine output speed from 7000 RPM to the 1800 RPM required at the four-pole generator. The auxiliary equipment layout was designed to minimize weight and allow for ease of maintenance. Gas turbine engine testing was completed in August 2004. Operational string testing of the integrated gas turbine generator set was completed in January 2005, with full power plant testing scheduled for 2005 at the Land Based Test Site, in Philadelphia, Pennsylvania, by the customer. This paper describes and discusses the gas turbine generator set (genset) design, development, and production plans, as well as the benefits of the packaged power plant and potential applications.
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Sui, Haigang, Jinghuan Xiao, Anming Zhang, and Jie Luo. "Design of integrated electronic chart pocket navigator system (PNS) and application for passage ship auto-track." In Second International Conference on Spatial Information Technology, edited by Cheng Wang, Shan Zhong, and Jiaolong Wei. SPIE, 2007. http://dx.doi.org/10.1117/12.775015.

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Song-lin, Yang, Zhao Jun-jie, Li Kun, Li Mi, Xie Jun, and Yang Zhao-long. "The HPCXFGA method of main navigation performance and structure characteristic of the high-speed monohull inland ship." In 2011 6th IEEE Conference on Industrial Electronics and Applications (ICIEA). IEEE, 2011. http://dx.doi.org/10.1109/iciea.2011.5975621.

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