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Journal articles on the topic 'Technology Trajectory'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Juha, Saukkonen, and Vänttinen Kari. "Development Trajectory of An Innovation-Based Environmental Technology Start-Up." INTERNATIONAL JOURNAL OF INNOVATION AND ECONOMIC DEVELOPMENT 3, no. 1 (2017): 99–112. http://dx.doi.org/10.18775/ijied.1849-7551-7020.2015.31.2006.

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This research paper focuses on the growth models of new business ventures and their applicability to a specific type of start-up, environmental technology–based growth company via a case study. Start-ups companies are a focal point of interest of this decade. Start-ups develop products and services in conditions of market and technological uncertainty and competitive volatility. Due to their crucial role in the net job creation there is a growing need and interest to understand, model and develop start-ups. One industry of high interest in regards of start-up activity is that of environmental

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Sydorova, Maryna, Oleg Baybuz, Olha Verba, and Pavlo Pidhornyi. "INFORMATION TECHNOLOGY FOR TRAJECTORY DATA MINING." Science and Innovation 17, no. 3 (2021): 78–86. http://dx.doi.org/10.15407/scine17.03.078.

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Introduction. Advanced technologies allow almost continuous tracking and recording the movement of objects inspace and time. Detecting interesting patterns in these data, popular routes, habits, and anomalies in object motion and understanding mobility behaviors are actual tasks in different application areas such as marketing, urban planning, transportation, biology, ecology, etc.Problem Statement. In order to obtain useful information from trajectories of moving objects, it is important to develop and to improve mathematical methods of spatiotemporal analysis and to implement them in highqua

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3

Markin, Rodney S., and Scott A. Whalen. "Laboratory Automation: Trajectory, Technology, and Tactics." Clinical Chemistry 46, no. 5 (2000): 764–71. http://dx.doi.org/10.1093/clinchem/46.5.764.

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Abstract Laboratory automation is in its infancy, following a path parallel to the development of laboratory information systems in the late 1970s and early 1980s. Changes on the horizon in healthcare and clinical laboratory service that affect the delivery of laboratory results include the increasing age of the population in North America, the implementation of the Balanced Budget Act (1997), and the creation of disease management companies. Major technology drivers include outcomes optimization and phenotypically targeted drugs. Constant cost pressures in the clinical laboratory have forced

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4

Tranter, Kieran. "Technology and the trajectory of myth." Griffith Law Review 28, no. 3 (2019): 353–56. http://dx.doi.org/10.1080/10383441.2019.1702254.

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5

Aadnøy, Bernt S. "Technology Focus: Multilateral and Complex-Trajectory Wells." Journal of Petroleum Technology 71, no. 05 (2019): 71. http://dx.doi.org/10.2118/0519-0071-jpt.

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Aadnøy, Bernt. "Technology Focus: Multilateral and Complex-Trajectory Wells." Journal of Petroleum Technology 72, no. 05 (2020): 63. http://dx.doi.org/10.2118/0520-0063-jpt.

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7

Ruszka, Jon. "Technology Focus: Horizontal and Complex-Trajectory Wells." Journal of Petroleum Technology 67, no. 11 (2015): 86. http://dx.doi.org/10.2118/1115-0086-jpt.

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8

FUJIMOTO, Hiroshi, and Wataru OHNISHI. "Trajectory Tracking Control for Precision Servo Technology." Journal of the Institute of Electrical Engineers of Japan 137, no. 1 (2017): 11–14. http://dx.doi.org/10.1541/ieejjournal.137.11.

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9

STARODUBTSEV, Mykola, and Gennadiy MAKARENKO. "CONTROL OF MULTINOMIUM PRODUCTION TECHNOLOGY PROCESSES." Journal of Natural Sciences and Technologies 3, no. 1 (2024): 302–4. https://doi.org/10.5281/zenodo.12743828.

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The problem of operational control of a manufacturing process under uncertainty is formulated as a problem of trajectory control. A model of phase-trajectory control of the process is developed, designed to select and adjust technological modes depending on the current state of the controlled technological object (TO) under a priori insufficiency and/or fuzziness of information.

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10

Hagan, Kelly, and S. Asli Özgün-Koca. "GPS: Trusting Technology." Mathematics Teacher: Learning and Teaching PK-12 114, no. 10 (2021): 792–95. http://dx.doi.org/10.5951/mtlt.2021.0201.

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Growing Problem Solvers provides four original, related, classroom-ready mathematical tasks, one for each grade band. Together, these tasks illustrate the trajectory of learners’ growth as problem solvers across their years of school mathematics.

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11

Fan, Hongyan, Youhong Hu, and Jianfeng Zhang. "Automatic Capture Processing Method of Basketball Shooting Trajectory Based on Background Elimination Technology." Advances in Meteorology 2022 (May 17, 2022): 1–8. http://dx.doi.org/10.1155/2022/7884528.

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The analysis and prediction of the shooting trajectory can be used to partially correct the shooting. The traditional automatic basketball shooting trajectory capture algorithm has a low capture accuracy and a long capture time, and thus is incapable of displaying the shooting trajectory in real time. To address this issue, this study proposes an automatic basketball shooting trajectory capture algorithm based on background elimination. The image of the basketball shooting trajectory is captured using imaging technology; the image is then preprocessed in four steps: binary erosion, binary expa

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12

Wang, Du. "Research Status of Vehicle Trajectory Planning." Applied and Computational Engineering 111, no. 1 (2024): 54–59. http://dx.doi.org/10.54254/2755-2721/111/2024ch0093.

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As autonomous driving technology has advanced, it has drawn attention from all around the world. The implementation of autonomous driving technology has the potential to enhance traffic safety, minimize traffic accidents, boost efficiency, facilitate travel, conserve energy, and lower emissions. Autonomous driving technology includes environmental perception, path planning, behavioral decision-making and other technologies. Among them, trajectory planning and control technology is the key technology to realize autonomous driving of automobiles and is the concrete embodiment of automobile intel

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13

Shang, Yuxin, Xiaojie Cheng, Yunpeng Feng, Hongfeng Chen, and Haobo Cheng. "Research on trajectory detection technology of cavern flow based on inertial navigation." E3S Web of Conferences 131 (2019): 01049. http://dx.doi.org/10.1051/e3sconf/201913101049.

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The trajectories detection of carven flow is estimated generally through the calculation of changes in various physical fields and the hydrogeological conditions. This paper uses inertial components to solve the trajectory of carven flow. Due to the characteristics and the complex movement attitude of the inertial components in the flow, the calculation error accumulate over time, even cover the true trajectory. Based on the characteristics of carven flow and inertial components, this paper proposes a new trajectory detection technology to obtain relatively accurate trajectory.

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14

Deng, Ketao. "Anomaly Detection of Highway Vehicle Trajectory under the Internet of Things Converged with 5G Technology." Complexity 2021 (April 27, 2021): 1–12. http://dx.doi.org/10.1155/2021/9961428.

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The gradual increase in the density of highway vehicles and traffic flow makes the abnormal driving state of vehicles an indispensable tool for assisting traffic dispatch. Intelligent transportation systems can detect and track vehicles in real time, acquire characteristics such as vehicle traffic, vehicle speed, vehicle flow density, and vehicle trajectory, and further perform advanced tasks such as vehicle trajectory. The detection of abnormal vehicle trajectory is an important content of vehicle trajectory understanding. And the development of the Internet of Things (IoT) and 5G technology

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15

Bossink, Bart, Sandra Hasanefendic, Marjolein Hoogstraaten, and Charusheela Ramanan. "Breakthrough Position and Trajectory of Sustainable Energy Technology." Sustainability 17, no. 1 (2025): 313. https://doi.org/10.3390/su17010313.

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This research aims to determine the position and the breakthrough trajectory of sustainable energy technologies. Fine-grained insights into these breakthrough positions and trajectories are limited. This research seeks to fill this gap by analyzing sustainable energy technologies’ breakthrough positions and trajectories in terms of development, application, and upscaling. To this end, the breakthrough positions and trajectories of seven sustainable energy technologies, i.e., hydrogen from seawater electrolysis, hydrogen airplanes, inland floating photovoltaics, redox flow batteries, hydrogen e

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16

董, 晔卉. "Vehicle Trajectory Detection Technology Based on Machine Vision." Computer Science and Application 15, no. 01 (2025): 10–20. https://doi.org/10.12677/csa.2025.151002.

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17

Woll, Anita, and Tone Bratteteig. "A trajectory for technology-supported elderly care work." Computer Supported Cooperative Work (CSCW) 28, no. 1-2 (2018): 127–68. http://dx.doi.org/10.1007/s10606-018-9340-2.

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18

Li, J., J. Q. Liu, X. L. Mei, et al. "DESIGN AND IMPLEMENTATION OF TRAJECTORY DATA MANAGEMENT AND ANALYSIS TECHNOLOGY FRAMEWORK BASED ON SPATIOTEMPORAL GRID MODEL." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B4-2020 (August 25, 2020): 471–76. http://dx.doi.org/10.5194/isprs-archives-xliii-b4-2020-471-2020.

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Abstract. The trajectory data generated by various position-aware devices is widely used in various fields of society, but its conventional vector representation and various analysis algorithms based on it have high computational complexity. This makes it difficult to meet the application requirements of real-time or near real-time management and analysis of large-scale trajectory data. In view of the above challenges, this paper proposes a trajectory data management and analysis technology framework based on the Spatiotemporal Grid Model (STGM). First, the trajectory data is represented by sp

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19

Xie, Xianjiao. "Intelligent Basketball Dribble Trajectory Monitoring Based on Data-Driven Technology." Security and Communication Networks 2022 (June 22, 2022): 1–11. http://dx.doi.org/10.1155/2022/2639539.

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Data-driven technology is a problem-solving method, starting from the initial data or observations, using heuristic rules to find and establish the relationship between internal features, to discover some theorems or laws. With the sharp increase in the number of basketball players, there are increasingly studies on the dribbling action of its trajectory and placement. Data-driven technology usually also refers to natural language processing methods based on large-scale statistical data. This paper proposes to use this technology to monitor the trajectory of basketball dribbling, which can mor

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20

Li, Yan An, Jin Zhu Wang, and Qiu Sheng Liu. "Application on the Rifle Grenade of One-Dimensional Trajectory Correction." Applied Mechanics and Materials 644-650 (September 2014): 1474–76. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.1474.

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In order to raise the rifle grenade accuracy of firing and strengthen infantry to the future applicability of modern warfare, this paper has been in progress to application on the rifle grenade of one-dimensional the trajectory correction technology. The position in the modern war of rifle grenade with the effect was pointed out in this paper. From now available one ties up the trajectory correction technology to set out, and several kinds of ballistic trajectory identification knowing the feasibility that the method was applied on the rifle grenade comparative analysis, and the trajectory ide

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21

Zhao, Zikai, Yanting Zheng, Qingxiang Guo, Mengqi Li, Lujiang Li, and Limin Wang. "Trajectory Calculation for Dummy Part Trajectory in Vehicle Collision Tests." Frontiers in Computing and Intelligent Systems 10, no. 2 (2024): 88–92. http://dx.doi.org/10.54097/n9zne579.

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Car crash tests are universally acknowledged for their critical role in assessing the passive safety performance of vehicles, given their straightforward and compelling evidence. Despite their effectiveness, traditional physical crash tests are notorious for their lengthy setup times and high costs. The evolution of Finite Element Analysis (FEA) technology, complemented by the improved precision of FEA dummies, has paved the way for evaluating passive safety through computational simulations. In the domain of virtual testing, benchmarking is essential for validating the accuracy of simulation

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22

Tao, Dajun. "Automated Robot Trajectory Tracking and Path Planning Technology Research." International Journal of Computer Science and Information Technology 4, no. 1 (2024): 324–30. http://dx.doi.org/10.62051/ijcsit.v4n1.39.

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The widespread application of automation robots in both industrial and service sectors has generated a significant demand for efficient and precise trajectory tracking and path planning technologies. Trajectory tracking technology aims to ensure that robots move accurately along predetermined paths, while path planning is responsible for devising the optimal route for robots to navigate through complex environments with multiple constraints. The integration of these two aspects is especially crucial in dynamic settings, directly impacting the stability and operational efficiency of robots. Cur

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23

Tang, Hongxin. "Parabolic Detection Algorithm of Tennis Serve Based on Video Image Analysis Technology." Security and Communication Networks 2021 (November 29, 2021): 1–9. http://dx.doi.org/10.1155/2021/7901677.

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At present, the existing algorithm for detecting the parabola of tennis serves neglects the pre-estimation of the global motion information of tennis balls, which leads to great error and low recognition rate. Therefore, a new algorithm for detecting the parabola of tennis service based on video image analysis is proposed. The global motion information is estimated in advance, and the motion feature of the target is extracted. A tennis appearance model is established by sparse representation, and the data of high-resolution tennis flight appearance model are processed by data fusion technology

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24

Xu, Ling, Yan Song, and Le Mao. "Wireless Control of Mobile Robot Technology Research Environment under Linux." Applied Mechanics and Materials 556-562 (May 2014): 2217–20. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.2217.

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Good use of embedded Linux open, portability features, wireless control systems for mobile robots to build; while the dynamic model of the mobile robot kinematics model and analyze and track their trajectory control methods studied, BP-PID trajectory tracking control algorithm. Research results show that the wireless control system built with the design requirements, the use of the control algorithm is effective and reliable.

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25

Conran, Greg. "Technology Focus: Horizontal and Complex-Trajectory Wells (November 2008)." Journal of Petroleum Technology 60, no. 11 (2008): 64. http://dx.doi.org/10.2118/1108-0064-jpt.

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26

Conran, Greg. "Technology Focus: Horizontal and Complex-Trajectory Wells (November 2009)." Journal of Petroleum Technology 61, no. 11 (2009): 52. http://dx.doi.org/10.2118/1109-0052-jpt.

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27

Ruszka, Jon. "Technology Focus: Horizontal and Complex-Trajectory Wells (November 2010)." Journal of Petroleum Technology 62, no. 11 (2010): 70. http://dx.doi.org/10.2118/1110-0070-jpt.

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28

Ruszka, Jon. "Technology Focus: Horizontal and Complex Trajectory Wells (November 2011)." Journal of Petroleum Technology 63, no. 11 (2011): 78. http://dx.doi.org/10.2118/1111-0078-jpt.

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29

Ruszka, Jon. "Technology Focus: Horizontal and Complex Trajectory Wells (November 2012)." Journal of Petroleum Technology 64, no. 11 (2012): 110. http://dx.doi.org/10.2118/1112-0110-jpt.

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30

Ruszka, Jon. "Technology Focus: Horizontal and Complex-Trajectory Wells (November 2013)." Journal of Petroleum Technology 65, no. 11 (2013): 138. http://dx.doi.org/10.2118/1113-0138-jpt.

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31

Ruszka, Jon. "Technology Focus: Horizontal and Complex-Trajectory Wells (November 2014)." Journal of Petroleum Technology 66, no. 11 (2014): 110. http://dx.doi.org/10.2118/1114-0110-jpt.

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32

Menand, Stephane. "Technology Focus: Horizontal and Complex-Trajectory Wells (November 2016)." Journal of Petroleum Technology 68, no. 11 (2016): 59. http://dx.doi.org/10.2118/1116-0059-jpt.

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33

Menand, Stephané. "Technology Focus: Horizontal and Complex-Trajectory Wells (November 2017)." Journal of Petroleum Technology 69, no. 11 (2017): 49. http://dx.doi.org/10.2118/1117-0049-jpt.

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34

Liu Li, 刘丽, 马国庆 Ma Guoqing, 高艺 Gao Yi, and 范师杰 Fan Shijie. "Trajectory Planning Technology of Three-Dimensional Shape Measurement Robots." Chinese Journal of Lasers 46, no. 2 (2019): 0204005. http://dx.doi.org/10.3788/cjl201946.0204005.

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35

Ojogba Spencer, Onuh. "Additive Manufacturing Technology Development: A Trajectory Towards Industrial Revolution." American Journal of Mechanical and Industrial Engineering 3, no. 5 (2018): 80. http://dx.doi.org/10.11648/j.ajmie.20180305.12.

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36

Cui, Aizhen. "Optimization of Directional Well Trajectory." E3S Web of Conferences 625 (2025): 03001. https://doi.org/10.1051/e3sconf/202562503001.

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As drilling technology and equipment continue to advance, the slot layout in China’s Bohai Sea area is becoming increasingly dense, and the design of directional well trajectories is becoming more complex, posing a high risk of collision. By applying optimization technology for directional well trajectories, including adjusting the dogleg severity, adjusting slot positions, and refining target points, the optimal trajectory design has been completed efficiently and with high quality. Taking the X8H well in the Bohai Sea as an example, verification results show that after trajectory optimizatio

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37

Liu, Hong, Jining Yan, and Xiaohui Huang. "HBase-based spatial-temporal index model for trajectory data." IOP Conference Series: Earth and Environmental Science 1004, no. 1 (2022): 012007. http://dx.doi.org/10.1088/1755-1315/1004/1/012007.

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Abstract The development of global positioning technology and the popularization of smart mobile terminals has led to a trend of rapid growth in the data volume and coverage of trajectory data. This type of data has the characteristics of fast update speed, high dimensional characteristics, and a large amount of information that can be mined. Many technology companies will use trajectory data to provide location-based services, such as vehicle scheduling and road condition estimation. However, the storage and query efficiency of massive trajectory data have increasingly become bottlenecks in t

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38

Wang, Xuan, Guodong Li, Hua Yu, and Zhigang Xue. "Compliant Control Technology of Manipulator." International Journal of Automation Technology 18, no. 2 (2024): 295–301. http://dx.doi.org/10.20965/ijat.2024.p0295.

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With continuous advancements in science and technology, manipulators have been widely used in human–computer interactions and other fields. However, they are limited by their insufficient flexible interaction ability and the inability of the control algorithm to adapt to changeable task scenarios. In this study, the flexible control technology of a manipulator was investigated to overcome these shortcomings and improve the intelligent level of the manipulator. Specifically, the basic principles and related technologies were applied in developing a dynamic model and analyzing the impedance cont

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39

Li, Aijuan, Yuanshuai Jiang, Xinnian Sun, Huajun Chi, Chuanhu Niu, and Gang Liu. "Research Status of Intelligent Electric Vehicle Trajectory Planning and Its Key Technologies: A Review." Electrochem 3, no. 4 (2022): 688–98. http://dx.doi.org/10.3390/electrochem3040045.

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Electrochemical energy storage technology has the characteristics of convenient use, fast response, and flexible configuration. At present, the energy storage technology used in smart electric vehicles is mainly electrochemical energy storage technology. In particular, the promotion of electrochemical energy storage technology in the field of smart electric vehicles is an effective way to achieve the goal of carbon neutrality. One of the most critical issues limiting the development and popularity of intelligent electric vehicles is the performance and range of power batteries; vehicle path pl

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40

Liu, Wugang. "The Trajectory Data Mining Model for College Students in Compus Life and Academic Management." Scalable Computing: Practice and Experience 25, no. 5 (2024): 3225–40. http://dx.doi.org/10.12694/scpe.v25i5.2349.

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The main objective of the study is to address the lack of comprehensive management technology in student campus life in universities. Starting from the life trajectory data of students in campus life, a trajectory mining model combining data mining technology and university information system is designed. In addition, an applied clustering algorithm is designed to classify different trajectory feature types. The research results show that in actual trajectory analysis, the categories of action trajectories from dormitories to canteens, from 0 to 4, are 87.64%, 87.86%, 86.97%, 88.63%, and 88.71

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41

Chen, Edward T. "Telemedicine Trajectory in Healthcare." International Journal of Patient-Centered Healthcare 9, no. 1 (2019): 18–31. http://dx.doi.org/10.4018/ijpch.2019010102.

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Telemedicine has been implemented in both public and private health services and has shown a potential to improve healthcare industry. Many governments are boosting telemedicine applications through regulations to reap the benefits. The purpose of this article is to investigate the current situation revolving around telehealth and more precisely, telemedicine. This is accomplished by supplying a brief history of the technology as it has evolved. Then, an analysis of the benefits of telemedicine and its opportunities for growth. Next, the current issues and limitations of telemedicine will be e

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42

Chen, Wei. "Simulation of Multimedia Visual Image Motion Track Marking Based on Artificial Bee Colony Algorithm." Mathematical Problems in Engineering 2022 (July 30, 2022): 1–10. http://dx.doi.org/10.1155/2022/8039589.

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With the rapid development of electronic technology, network technology, and multimedia processing technology, people pay more and more attention to the surrounding environment. Paying attention to and handling emergencies have also become one of the main points of attention. Through the combination of multimedia and monitoring system, the collected image data are processed and integratedly controlled by the computer platform, and an intelligent monitoring system for traffic road safety can be obtained. Due to the advantages of multimedia visual image motion trajectory identification technolog

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43

Ismatova, Makhzuna Sh. "SPECIFIC CHARACTERISTICS OF LANGUAGE COACHING TECHNOLOGY." International Journal of Pedagogics 03, no. 03 (2023): 21–24. http://dx.doi.org/10.37547/ijp/volume03issue03-04.

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Educational coaching has many benefits. First of all, it is aimed at improving the efficiency of the teacher. Pedagogical coaching makes it possible to psychologically competently provide support for students along the educational trajectory, based on the principles and achievements of a student-centered approach. At the same time, specific real goals are set for the trainees both for the short and long term of their development in the context of training at the university. Students learn to manage their personal time, deal with stressful situations, increase self-esteem.

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Wang, Wei Guo, Yi Nan Zhao, and Xiao Lin Qiao. "A Review of Synthetic Aperture Radar Seeker Related Technology Research." Key Engineering Materials 460-461 (January 2011): 83–89. http://dx.doi.org/10.4028/www.scientific.net/kem.460-461.83.

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Synthetic aperture radar seeker (SARS) is the extension in the field of the synthetic aperture technology, and now has become a hot spot in the research and development of radar seeker. In this paper we summarized the research of the SARS related system and imaging guidance related technology. We analyzed the way of long range ballistic missile using matched guidance at the front stage of ballistic trajectory and using target search guidance at the end of ballistic trajectory. Finally we prospect the direction of SARS development.

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Zhao, Ji, Jie Li, Chang Liu, and Bing Li. "Analysis for Initial Status Parameters of Parachute Aircraft." Applied Mechanics and Materials 496-500 (January 2014): 736–43. http://dx.doi.org/10.4028/www.scientific.net/amm.496-500.736.

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Transformation from bullet to aircraft is the key technology for parachute aircraft. The transformation occurs at the end of initial bullet trajectory, so the simulation of trajectory can help us to analysis the affect factors. Contrast with tradition trajectory, the initial trajectory of parachute aircraft contains three phases: launch inside trajectory, free-control trajectory and parachuting trajectory. This work adds parachuting model into tradition trajectory model, and built simulation model on computer. Furthermore, to confirm the effect from parachute area and time of unfolding parachu

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46

Sun, Mingkang, and Xiang Li. "Traffic trajectory data analysis technology based on HMM model map matching algorithm." PLOS ONE 19, no. 5 (2024): e0302656. http://dx.doi.org/10.1371/journal.pone.0302656.

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The rapid growth of traffic trajectory data and the development of positioning technology have driven the demand for its analysis. However, in the current application scenarios, there are some problems such as the deviation between positioning data and real roads and low accuracy of existing trajectory data traffic prediction models. Therefore, a map matching algorithm based on hidden Markov models is proposed in this study. The algorithm starts from the global route, selects K nearest candidate paths, and identifies candidate points through the candidate paths. It uses changes in speed, angle

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47

Yauri, Aliyu R., Abdulkadir M. Ahmad, and Musa I. Kamba. "Trajectory Optimization of Quadrotor-UAV Drone Using Genetic Algorithm." Equity Journal of Science and Technology 8, no. 1 (2022): 95–99. http://dx.doi.org/10.4314/equijost.v8i1.16.

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Unmanned Aerial Vehicles (UAVs) Technology recently attracts attention of many researchers; this is due toits numerous potentialities in civil application. One of the key areas of interest by researches is how to achievea total talent of “Sense and Avoid” in the UAV which will enhance safe and efficient trajectory of the vehicle.This is why this paper is going to use an optimization technique to optimize trajectory path of the UAV flight.The chosen optimization algorithm is Genetic algorithm (GA) which is going to be use to optimize the trajectoryof UAV by determine the shortest path of flight

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48

Gao, Xuying, Geng Liang, Wei Pei, and Xiangyu Feng. "Design of Robot End Trajectory Tracking Controller." Academic Journal of Science and Technology 6, no. 2 (2023): 20–25. http://dx.doi.org/10.54097/ajst.v6i2.9438.

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The most important point for the manipulator to run quickly and efficiently is that we must explore the trajectory tracking control technology, so we need to master the end trajectory operation law. This topic is mainly to analyze the structural characteristics and working principle of the manipulator, create the control law of the end node system model of the workspace, calculate the actual joint torque, and conduct Kinematics analysis of the end trajectory of the manipulator, Finally, MATLAB simulation was used to verify the designed controller. Studying trajectory tracking control technolog

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Wei, Jianli, Hongjia Fan, and Jinghao Li. "Four-Dimensional Trajectory Planning Algorithm for Fixed-Wing Aircraft Formation Based on Improved Hunter—Prey Optimization." Electronics 12, no. 13 (2023): 2820. http://dx.doi.org/10.3390/electronics12132820.

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The aircraft four-dimensional trajectory planning is an important technology for multiple aircraft to achieve cooperation. However, the current four-dimensional trajectory planning technology is mainly used for civil aviation and helicopters and is difficult to meet the requirements of fixed-wing aircraft. This paper proposed a four-dimensional trajectory planning algorithm for a fixed-wing aircraft formation, considering the speed range, turning radius and maximum overload. The improved tau-J strategy (ITJS) is used to generate the four-dimensional trajectory of the aircraft. This strategy is

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50

Anagnostopoulos, Apostolos, and Fotini Kehagia. "Utilizing UAVs Technology on Microscopic Traffic Naturalistic Data Acquirement." Infrastructures 6, no. 6 (2021): 89. http://dx.doi.org/10.3390/infrastructures6060089.

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Abstract:

Research into collecting and measuring reliable, accurate, and naturalistic microscopic traffic data is a fundamental aspect in road network planning scientific literature. The vehicle trajectory is one of the main variables in traffic flow theory that allows to extract information regarding microscopic traffic flow characteristics. Several methods and techniques have been applied regarding the acquisition of vehicle trajectory. The forthcoming applications of intelligent transport systems on vehicles and infrastructure require sufficient and innovative tools to calibrate existing models on mo

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