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Journal articles on the topic 'Soldier Tracking and Performance Measurement System'

Author: Grafiati

Published: 3 June 2025

Last updated: 19 July 2025

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1

A, Saraswathi,. "SOLDIERS HEALTH MONTORING AND TRACKING USING GSM AND GPS." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 04 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem30765.

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In enemy territory soldiers not only have to deal with the physical threat, but also with stress andfatigue caused by protracted operations or lack of sleep. So for the security purpose we need a tool for remote soldier performance and health monitoring. So in this project a tool is implemented using biosensors for health monitoring purpose. Also a GPS system is used in order to track the location of soldier. Additionally a GSM modem is also used to make the system wirelessly compatible. Any abnormalities in the readings of wireless body area sensor network (WBASNs) is considered as a trigger

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Mager, Magnus. "Noise performance of the ALPIDE-based ALICE Inner Tracking System." Journal of Physics: Conference Series 2374, no. 1 (2022): 012062. http://dx.doi.org/10.1088/1742-6596/2374/1/012062.

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The new ALICE Inner Tracking System is the first large-scale MAPS-based tracking system. It is covering an active surface of 10 m2, with a total of 12.5 billion pixels. Several optimisations of the pixel chip lead to a quasi-noise-free operation, with measured fake-hit rates of below 1 hit per pixel and billion events (system level numbers), numbers compatible with the order of magnitude expected from cosmic and natural background radiation. This contribution covers a detailed study of fake hits as recorded in the inner-most detector barrels, made of the highest quality chips. It reveals a loc

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Sumanta, Karmakar, Mahto Debojyoti, Bharti Kirti, Prakash Anand, Ahmed Khan Faraz, and Verma Pooja. "Design of Night Surveillance Robot with the integration of a Position Tracking System." Recent Trends in Control and Converter 7, no. 2 (2024): 7–13. https://doi.org/10.5281/zenodo.11102038.

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<em>Soldier health and performance are critical components in modern military operations. This paper explores the integration of a Position Tracking System (PTS) to bolster the physical and mental well-being of soldiers during missions. The primary objective is to enhance situational awareness, monitor physiological parameters, and optimize performance through real-time tracking and analysis. The proposed system utilizes advanced sensors and GPS technology to monitor soldiers' positions, movements, and vital signs in various operational environments. This comprehensive approach allows for cont

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Kardekar, Ms Vaishnavi P. "Soldier Monitoring System using GPS." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (2021): 4828–31. http://dx.doi.org/10.22214/ijraset.2021.35904.

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To plan an officer global positioning framework utilizing remote framework for observing the boundaries of officer are as Body temperature & Temperature. Biomedical sensors: Here to discover the wellbeing status of officer we are utilizing a body temp sensor to quantify internal heat level as well as heartbeat rate sensor. These boundaries are then, at that point signal molded. One of the principal challenges in military tasks lays in that the Soldier not ready to impart with control room head. Likewise,every association needs to implement certain managerial and operational work when they

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Suhaimi, K., N. M. Sahar, and K. Badron. "Analysis of Navigation Satellite System based on the Ground Control Points (GCP) at Universiti Kebangsaan Malaysia." IOP Conference Series: Earth and Environmental Science 1167, no. 1 (2023): 012034. http://dx.doi.org/10.1088/1755-1315/1167/1/012034.

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Abstract This study presents data measurements to identify the best navigation system in terms of its positioning accuracy. The data global positioning system measurements is done using a GPS South device measured in four locations which are one random point and three different places based on the Ground Control Points (GCP) in Universiti Kebangsaan Malaysia (UKM). The coordinates of these locations are already in the Cassini Soldner Selangor Coordinate system. The results and analysis of signal noise to ratio (SNR) and path loss is discussed to indicate the performance of positioning accuracy

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Chen, Kai Ying. "Performance Measurement of Implementing Manufacturing Execution System." Materials Science Forum 505-507 (January 2006): 1117–22. http://dx.doi.org/10.4028/www.scientific.net/msf.505-507.1117.

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Manufacturing execution system (MES) is a computer application system that integrates all relevant real-time information along every step in a manufacturing process. MES is essential for manufacturers for gathering real-time production line information, supporting manufacturing decision making and increasing manufacturing efficiency. MES is a must for operation control and lot tracking in the shop floor of a plant with complicated manufacturing processes, such as semiconductor manufacturing fab or TFT-LCD manufacturing plant. This paper presents the formulization of performance measurement of

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Wang, Qilong, Yu Zhang, Weichao Shi, and Meng Nie. "Laser Ranging-Assisted Binocular Visual Sensor Tracking System." Sensors 20, no. 3 (2020): 688. http://dx.doi.org/10.3390/s20030688.

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Aimed at improving the low measurement accuracy of the binocular vision sensor along the optical axis in the process of target tracking, we proposed a method for auxiliary correction using a laser-ranging sensor in this paper. In the process of system measurement, limited to the mechanical performance of the two-dimensional turntable, the measurement value of a laser-ranging sensor is lagged. In this paper, the lag information is updated directly to solve the time delay. Moreover, in order to give full play to the advantages of binocular vision sensors and laser-ranging sensors in target track

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Dai, Mingguang, Rong Qi, Yiyun Zhao, and Yang Li. "PD-Type Iterative Learning Control with Adaptive Learning Gains for High-Performance Load Torque Tracking of Electric Dynamic Load Simulator." Electronics 10, no. 7 (2021): 811. http://dx.doi.org/10.3390/electronics10070811.

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To realize the high-performance load torque tracking of an electric dynamic load simulator system with random measurement noises and strong position disturbances, a PD-type iterative learning control (ILC) algorithm with adaptive learning gains is proposed in this paper. With the principle of system analyzing, a nonlinear discrete state-space model is established. The adaptive learning gains is used to suppress the effects of periodic disturbances and random measurement noises on the load torque tracking performance. A traditional PD feedback controller in parallel with the proposed ILC is des

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Ji, Dong, Hua Pei Wang, Qing Guo, and Qing Lu. "Design of the Vehicular Eletro-Optical Tracking Turntable Servo System and the Research on its Tracking Control Scheme." Advanced Materials Research 712-715 (June 2013): 2119–23. http://dx.doi.org/10.4028/www.scientific.net/amr.712-715.2119.

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In order to realize the high precision tracking control of the vehicular eletro-optical tracking turntable with the car bodys vibration, it is necessary to design a high performance turntable servo system and a set of high precision eletro-optical tracking control scheme. In this paper, a digital servo system is designed, which has the control platform based on PC104 processor, has the torque motor as the actuator, has the gyro as the inertial velocity measurement tool and has the high precision encoder as the position measurement tool. Then, the gyrostabilized double speed loop control algori

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Saho, Kenshi. "Steady-State Performance Analysis of Tracking Filter Using LFM Waveforms and Range-Rate Measurement." Mathematical Problems in Engineering 2018 (December 4, 2018): 1–10. http://dx.doi.org/10.1155/2018/9487581.

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The steady-state performance of a moving-object tracking filter is theoretically analyzed, assuming the simultaneous measurement of the range and range-rate (RRM system), and the use of linear frequency modulated (LFM) waveforms (RRM-LFM filter). An efficient analytical steady-state performance index, called an RMS index, is derived for the RRM-LFM filter to clarify the steady-state range prediction errors, theoretically. Using the derived RMS index, the optimal performance of the RRM-LFM filter is analyzed. The performance variation due to the use of LFM waveforms is clarified for the RRM tra

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Li, Peng, and Jihe Zhou. "Motion Tracking and Detection System Based on Motion Sensor." Mobile Information Systems 2022 (April 22, 2022): 1–10. http://dx.doi.org/10.1155/2022/8681492.

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To solve the problem of large error of motion MEMS sensor in motion trajectory detection, a motion trajectory tracking and detection system based on motion sensor is proposed. The principle of trajectory tracking is that the three-dimensional velocity and displacement can be obtained by integrating the acceleration. In this paper, acceleration sensor is used to obtain acceleration data of moving object. In order to reduce the data measurement error, a Kalman filter is designed and implemented to eliminate random noise. Aiming at the system nonlinear error, a two speed sampling compensation alg

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Su, Khac Huan, Young Seop Son, and Youngwoo Lee. "Reference Modulation-Based H∞ Control for the Hybrid Energy Storage System in DC Microgrids." Mathematics 13, no. 13 (2025): 2202. https://doi.org/10.3390/math13132202.

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In DC microgrids, optimizing the hybrid energy storage system (HESS) current control to meet the power requirements of the load is generally a difficult and challenging task. This is because the HESS always operates under various load conditions, which are influenced by measurement disturbances and parameter uncertainties. Therefore, in this paper, we propose the H∞ state feedback control based on the reference modulation to improve the current tracking errors of the battery (Bat) and supercapacitor (SC) in the HESS for power tracking performance. Without altering the system control signal, th

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Peng, Huan Xin, Wen Kai Wang, and Bin Liu. "Analyses on Target Tracking under Quantized Communication." Advanced Materials Research 889-890 (February 2014): 658–61. http://dx.doi.org/10.4028/www.scientific.net/amr.889-890.658.

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In the paper, we address the problem of target tracking with quantized communication. While the probabilistic distributed function of the measurement is unknown, in order to simplify the calculations of target tracking system and improve the accuracy of estimation, we propose a Kalman filter under uniformly probabilistic quantization, and analyze the performance of the probabilistic quantization Kalman filter. Simulations results are provided to verify the performance of the target tracking system under uniformly probabilistic quantization.

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Magboub, Hussein M., Mohamed A. Msallem, and Nasser Ali. "Tracking Using an Inertial Measurement Unit (IMU) and GPS." Applied Mechanics and Materials 229-231 (November 2012): 1469–75. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.1469.

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Since the last decade, vehicle tracking has been attracting significant attention in a wide range of applications. To deliver on their requirements, these applications need a specific tracking accuracy. However, current tracking techniques lack the required accuracy, especially for mission critical applications. Although these techniques have demonstrated significant performance improvement, there remain situations that give rise to degraded tracking accuracy, a deficiency that many applications cannot tolerate. This has motivated the research and development of advanced tracking. In this pape

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He, Wei Dong, Xiao Chun Lu, Xiao Feng Chang, Cheng Yan He, Yong Nan Rao, and Xue Wang. "AltBOC Receiver Design and Tracking Performance Analyze." Advanced Materials Research 529 (June 2012): 9–13. http://dx.doi.org/10.4028/www.scientific.net/amr.529.9.

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The Galileo E5 signal is by far the most sophisticated signal among all the signals used for Global Navigation satellite system. Galileo receivers capable of tracking E5 will benefit from much better performance in terms of measurement accuracy and multipath suppression. Compared with traditional receivers for BPSK or even BOC signals, E5(AltBOC) signal processing techniques requires much more challenging due to the stems of the extremely large bandwidth and inherently complex correlations. This paper aims to present the receiving methodology and the architecture of tracking. The architecture

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16

Agüí, Juan C., and J. Jiménez. "On the performance of particle tracking." Journal of Fluid Mechanics 185 (December 1987): 447–68. http://dx.doi.org/10.1017/s0022112087003252.

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The sources of error associated with the use of particle-tracking techniques in the measurement of velocity and vorticity fields in moderately three-dimensional turbulent flows are analysed. The two dominant sources of error are the visualisation error, resulting from the limited resolution of the optical data acquisition system, and the sampling error, due to limited particle concentration. Their relative importance is discussed.The performance of the interpolation methods used to translate the measurements from the positions of the particles to an arbitrary point is discussed, and a non-para

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17

Qi, Lizhe, Zhongxue Gan, Jiankun Ren, et al. "Collaborative Measurement System of Dual Mobile Robots That Integrates Visual Tracking and 3D Measurement." Machines 10, no. 7 (2022): 540. http://dx.doi.org/10.3390/machines10070540.

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The manufacturing accuracy of large-scale complex components determines the performance and quality of aircraft, ships, high-speed rail, and other equipment. High-precision 3D measurement plays a crucial role in ensuring manufacturing accuracy. At present, the existing measurement methods rely heavily on manual labor, which cannot satisfy the requirements of industry quality and efficiency. This paper introduces an integrated mobile robotic measurement system for the accurate and automatic 3D measurement of large-scale components with complex curved surfaces. The system consists of the mobile

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Jin, Xue Bo, Jiang Feng Wang, Hui Yan Zhang, and Li Hong Cao. "Variable Number of Multi-Sensor Fusion for Indoor RFID Tracking System." Applied Mechanics and Materials 385-386 (August 2013): 654–57. http://dx.doi.org/10.4028/www.scientific.net/amm.385-386.654.

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We present a new method to accurately tracking persons indoors by active RFID technology. To deal with nonlinear measurement model, the EKF(extended Kalman filter) is used to estimate the target trajectory. This paper developed the fusion estimation algorithm for the common indoor tracking problem with the reader at any location and fusion estimation with variable number of multi-sensor system. Simulations show the algorithm developed here can adaptively adjust the model parameter while tracking and obtain good estimation performance for indoor RFID tracking.

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19

Gu, Yuping, and Masayoshi Tomizuka. "High performance tracking control system under measurement constraints by multi-rate control." IFAC Proceedings Volumes 32, no. 2 (1999): 1085–89. http://dx.doi.org/10.1016/s1474-6670(17)56183-2.

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Kiss, Bernadett, and Rita Kiss. "Performance measurement of sailors with custom hiking bench and motion tracking system." Materials Today: Proceedings 12 (2019): 411–15. http://dx.doi.org/10.1016/j.matpr.2019.03.143.

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21

Pathirana, Pubudu N., Adrian N. Bishop, Andrey V. Savkin, Samitha W. Ekanayake, and Timothy J. Black. "A method for stereo-vision-based tracking for robotic applications." Robotica 28, no. 4 (2009): 517–24. http://dx.doi.org/10.1017/s0263574709005827.

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SUMMARYVision-based tracking of an object using perspective projection inherently results in non-linear measurement equations in the Cartesian coordinates. The underlying object kinematics can be modelled by a linear system. In this paper we introduce a measurement conversion technique that analytically transforms the non-linear measurement equations obtained from a stereo-vision system into a system of linear measurement equations. We then design a robust linear filter around the converted measurement system. The state estimation error of the proposed filter is bounded and we provide a rigoro

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Lv, Tu, Yujia Wang, Xing Liu, and Mingjun Zhang. "Command-Filter-Based Region-Tracking Control for Autonomous Underwater Vehicles with Measurement Noise." Journal of Marine Science and Engineering 11, no. 11 (2023): 2119. http://dx.doi.org/10.3390/jmse11112119.

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This paper investigates the AUV region-tracking control problem with measurement noise and transient and steady-state constraints. To achieve the fluctuation of AUV tracking error within an expected region while satisfying the transient and steady-state performance constraints, this paper proposes an improved nonlinear tracking error transformation method. This method converts the tracking error into a new virtual error variable through nonlinear conversion, thus transforming the above performance requirements for the tracking error into boundedness requirements for the new virtual error varia

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Lu, Jian Shan, Chang Ming Wang, Ai Jun Zhang, and Xiang Fei Meng. "Design of Improved Disturbance Observer for Stabilized Platform Servo System." Applied Mechanics and Materials 300-301 (February 2013): 1209–13. http://dx.doi.org/10.4028/www.scientific.net/amm.300-301.1209.

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In order to reduce the influence of frictional interference and measurement noise on stabilized platform tracking performance, disturbance observer (DOB) is applied to platform servo system. In view of the non-ideal performance of classical disturbance observer about suppressing measurement noise, a novel improved DOB which uses an additional control signal to compensate system outputs is proposed based on the structure of classical DOB, and robust stability of the improved DOB when existing model perturbation is analyzed in detail. Simulation results show that the improved DOB can suppress ex

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Liu, Meiqin, Tianyi Huai, Ronghao Zheng, and Senlin Zhang. "Multisensor Multi-Target Tracking Based on GM-PHD Using Out-Of-Sequence Measurements." Sensors 19, no. 19 (2019): 4315. http://dx.doi.org/10.3390/s19194315.

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In this paper, we study the issue of out-of-sequence measurement (OOSM) in a multi-target scenario to improve tracking performance. The OOSM is very common in tracking systems, and it would result in performance degradation if we used it inappropriately. Thus, OOSM should be fully utilized as far as possible. To improve the performance of the tracking system and use OOSM sufficiently, firstly, the problem of OOSM is formulated. Then the classical B1 algorithm for OOSM problem of single target tracking is given. Next, the random finite set (RFS)-based Gaussian mixture probability hypothesis den

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Zheng, Zhiyuan, Shiji Tong, Erquan Wang, Yang Zhu, and Jinliang Shao. "Robust Consensus Tracking Control for Multi-Unmanned-Aerial-Vehicle (UAV) System Subjected to Measurement Noise and External Disturbance." Drones 9, no. 1 (2025): 61. https://doi.org/10.3390/drones9010061.

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In practice, the consensus performance of a multi-UAV system can degrade significantly due to the presence of measurement noise and disturbances. However, simultaneously rejecting the noise and disturbances to achieve high-precision consensus tracking control is rather challenging. In this paper, to address this issue, we propose a novel distributed consensus tracking control framework consisting of a distributed observer and a local dual-estimator-based tracking controller. Each UAV’s distributed observer estimates the leader’s states and generates the local reference, functioning even under

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Koksal, N., M. Jalalmaab, and B. Fidan. "Adaptive Linear Quadratic Attitude Tracking Control of a Quadrotor UAV Based on IMU Sensor Data Fusion." Sensors 19, no. 1 (2018): 46. http://dx.doi.org/10.3390/s19010046.

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In this paper, an infinite-horizon adaptive linear quadratic tracking (ALQT) control scheme is designed for optimal attitude tracking of a quadrotor unmanned aerial vehicle (UAV). The proposed control scheme is experimentally validated in the presence of real-world uncertainties in quadrotor system parameters and sensor measurement. The designed control scheme guarantees asymptotic stability of the close-loop system with the help of complete controllability of the attitude dynamics in applying optimal control signals. To achieve robustness against parametric uncertainties, the optimal tracking

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Ali Shuja Sardar. "Real-Time Tracking and Distance Measurement of Opencv Aruco Marker Using Webcam." International Journal of Latest Technology in Engineering Management & Applied Science 14, no. 1 (2025): 313–21. https://doi.org/10.51583/ijltemas.2025.1401034.

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Object tracking and distance measurement play a vital role in robotics and drones. It is often challenging to measure the distance of a target object in an environment by just using a single-vision camera. This paper discusses the development of a fiducial marker-based object tracking and distance measurement system. Fiducial marker detection uses the ArUco method based on the OpenCV library and Python 3.x. The hardware consists of an Arduino, a single-vision camera, and two servos as an actuator for tracking. A mathematical equation is derived to measure the real-time distance of the marker b

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Yin, Luyue, Wenxiang Deng, Xiaowei Yang, and Jianyong Yao. "Finite-Time Output Feedback Control for Electro-Hydraulic Servo Systems with Parameter Adaptation." Machines 9, no. 10 (2021): 214. http://dx.doi.org/10.3390/machines9100214.

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Measurement noise, parametric uncertainties, and external disturbances broadly exist in electro-hydraulic servo systems, which terribly deteriorate the system control performance. To figure out this problem, a novel finite-time output feedback controller with parameter adaptation is proposed for electro-hydraulic servo systems in this paper. First, to avoid using noise-polluted signals and attain active disturbance compensation, a finite-time state observer is adopted to estimate unknown system states and disturbances, which attenuates the impact of measurement noise and external disturbances

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Juan, Chung-Wei, and Jwu-Sheng Hu. "Object Localization and Tracking System Using Multiple Ultrasonic Sensors with Newton–Raphson Optimization and Kalman Filtering Techniques." Applied Sciences 11, no. 23 (2021): 11243. http://dx.doi.org/10.3390/app112311243.

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In this paper, an object localization and tracking system is implemented with an ultrasonic sensing technique and improved algorithms. The system is composed of one ultrasonic transmitter and five receivers, which uses the principle of ultrasonic ranging measurement to locate the target object. This system has several stages of locating and tracking the target object. First, a simple voice activity detection (VAD) algorithm is used to detect the ultrasonic echo signal of each receiving channel, and then a demodulation method with a low-pass filter is used to extract the signal envelope. The ti

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Ye, Su, Yu Tang Ye, Juan Xiu Liu, Lin Liu, and Chun Lei Du. "Adaptive Tracking Control without Image Velocity Measurement." Applied Mechanics and Materials 734 (February 2015): 147–52. http://dx.doi.org/10.4028/www.scientific.net/amm.734.147.

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This paper presents a adaptive controller for visual servoing systems to allow the tracking of a 2D reference trajectory without using image velocity measurements when the kinematics and dynamics parameters are uncertain. To avoid performance decaying caused by measurement errors of the image velocity, we proposed the adaptive controller, with which image velocity need not be directly measured. The first derivative of designed sliding mode vector is not affected by actual image speed. The parameter estimation of image position is used to replace the parameter estimation of image speed. We remo

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Lei, Yao, Jinli Wang, and Lizhong Zhang. "Full-scale measurement on vibration performance of vehicle-mounted optical transceiver mast." Measurement and Control 51, no. 9-10 (2018): 453–59. http://dx.doi.org/10.1177/0020294018801387.

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Background: Mast is mainly used for assisting the communication-vehicle-mounted optical transceiver to obtain a coarse tracking of objects rapidly and accurately, especially when objects are communicating among different regions. Methods: This study first conducts a force analysis of a vehicle-mounted mast specialized for laser communication and then derives dynamic characteristics of the mast under wind load. In order to validate tracking precision and the stabilization of the optical transceiver, and examine the wind disturbance resistance of the mast, a series of field experiments were carr

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Kurosawa, Kenji, Takashi Watanabe, Ryoko Futami, Nozomu Hoshimiya, and Yasunobu Handa. "Development of a closed-loop fes system using a 3-d magnetic position and orientation measurement system." Journal of Automatic Control 12, no. 1 (2002): 23–30. http://dx.doi.org/10.2298/jac0201023k.

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We have developed a closed-loop FES system using a magnetic 3-D position and orientation measurement system (FASTRAK, Polhemus Inc). The purpose of this development was to resolve some experimental difficulties involved in our previous goniometer-based experimental system. The new system enabled us to perform FES control experiments on the multi-joint musculoskeletal system of the upper limbs including forearm pronation/supination. In this paper, we evaluated the system by some single-joint tracking tasks in order to compare its control performance with that of the previous system. Four muscle

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Gao, Feng Xin. "Robotic Curve-Shaped Seam Tracking System Using Vision Sensor." Applied Mechanics and Materials 397-400 (September 2013): 1486–89. http://dx.doi.org/10.4028/www.scientific.net/amm.397-400.1486.

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This paper presents a vision-based curve-shaped seam tracking system. The measurement of the curve trajectory is based on a camera that is installed ahead of the end effector of the robot. Effective image processing method is designed to extract the feature points of the curve. Then a fuzzy controller is proposed to control the position of the robot to track the curve. To improve the performance of the controller, a self-tuning mechanism is added to the controller. Finally, experiments are fully conducted to verify the effectiveness of the proposed method.

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Bustos, Denisse, Joana C. Guedes, Mário P. Vaz, et al. "Non-Invasive Physiological Monitoring for Physical Exertion and Fatigue Assessment in Military Personnel: A Systematic Review." International Journal of Environmental Research and Public Health 18, no. 16 (2021): 8815. http://dx.doi.org/10.3390/ijerph18168815.

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During operational activities, military personnel face extremely demanding circumstances, which when combined lead to severe fatigue, influencing both their well-being and performance. Physical exertion is the main condition leading to fatigue, and its continuous tracking would help prevent its effects. This review aimed to investigate the up-to-date progress on non-invasive physiological monitoring to evaluate situations of physical exertion as a pre-condition to fatigue in military populations, and determine the potential associations between physiological responses and fatigue, which can la

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Wu, Qianqian, Bilong Liu, Ning Cui, and Sifang Zhao. "Tracking Control of a Maglev Vibration Isolation System Based on a High-Precision Relative Position and Attitude Model." Sensors 19, no. 15 (2019): 3375. http://dx.doi.org/10.3390/s19153375.

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The maglev vibration isolation system exhibits excellent micro-vibration isolation performance (0.01 Hz to 100 Hz band) in the space environment. However, a collision between the base and the floating platform may occur in an ultra-low frequency range (≤0.01 Hz). To avoid collision, the relative position and attitude between the base and the floating platform needs to be accurately tracked and controlled. In this study, a novel measurement method with four groups of two-dimensional position-sensitive detectors equipped with four laser light sources was proposed. A high-precision relative posit

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Guo, Pengyu, Shaowen Ding, Hongliang Zhang, and Xiaohu Zhang. "A Real-Time Optical Tracking and Measurement Processing System for Flying Targets." Scientific World Journal 2014 (2014): 1–11. http://dx.doi.org/10.1155/2014/976590.

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Optical tracking and measurement for flying targets is unlike the close range photography under a controllable observation environment, which brings extreme conditions like diverse target changes as a result of high maneuver ability and long cruising range. This paper first designed and realized a distributed image interpretation and measurement processing system to achieve resource centralized management, multisite simultaneous interpretation and adaptive estimation algorithm selection; then proposed a real-time interpretation method which contains automatic foreground detection, online targe

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Wang, Xueyun, Jingjuan Zhang, Wei Wang, and Pengyu Gao. "An Innovative Architecture of UTC GPS/INS System with Improved Performance under Severe Jamming." Discrete Dynamics in Nature and Society 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/185618.

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Ultratightly coupled (UTC) architecture is believed to be the best architecture for Global Positioning System (GPS) and Inertial Navigation System (INS) integration system due to the advanced data fusion strategy and effective mutual assistance between the subsystems. However the performance of UTC GPS/INS system will be degraded by severe jamming interference, especially when low-grade inertial measurement unit (IMU) is used. To solve this problem an innovative architecture of UTC GPS/INS system is proposed. Since GPS receiver’s antijamming ability is closely related to tracking loop bandwidt

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Wang, Jianzhong, Jiadong Shi, and Tao Jiang. "Low Acceleration Overload Catapult Technique for Throwing the Small Scout Robot." Defence Science Journal 66, no. 5 (2016): 504. http://dx.doi.org/10.14429/dsj.66.9815.

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The small scout robot is generally thrown into the war zone by soldier. The short thrown distance and the danger of soldier exposed to the enemy limit the application of the small scout robot. So this paper presents a type of low acceleration overload catapult device of no flash, no smoke and no sound. It can throw the small scout robot covertly to long distances with low acceleration overload, and avoid the danger that soldier be exposed to the enemy when artificial throwing. The high and low pressure chambers of the catapult device achieve the low acceleration overload launching, and elimina

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Liu, Yifan, Jinlin Sun, Zhiqiang Pu, Jianqiang Yi, and Shiliang Pu. "Robust fuzzy tracking control for flexible air-breathing hypersonic vehicles with measurement noises." Transactions of the Institute of Measurement and Control 41, no. 13 (2019): 3818–35. http://dx.doi.org/10.1177/0142331219837590.

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Measurement noise is an obstacle to the performance improvement of a flexible air-breathing hypersonic vehicle. This paper explores a robust fuzzy tracking control scheme for the longitudinal dynamics of the hypersonic vehicle, which is constructed by utilizing type-2 fuzzy adaptive technique and dynamic surface control (DSC) approach. The control scheme is comprised of two parts: the state estimators and tracking controllers of velocity and altitude. The state estimators are designed by using the type-2 fuzzy logic system-based approximators, which guarantees the estimation of real states fro

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Kim, Wonhee, and Daehee Won. "Nonlinear Position Control with Nonlinear Coordinate Transformation Using Only Position Measurement for Single-Rod Electro-Hydrostatic Actuator." Mathematics 8, no. 8 (2020): 1273. http://dx.doi.org/10.3390/math8081273.

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In existing methods, full-state feedback is required for the position tracking of single-rod Electro Hydrostatic Actuators (EHAs). Measuring a full state is not always possible because of cost and space limitations. Furthermore, measurement noise from pressure sensors may degrade the control performance. We propose an observer-based nonlinear position control with nonlinear coordinate transformation while only using position measurement to improve the position tracking of single-rod EHAs. The proposed method comprises a position controller and an observer. We propose a nonlinear coordinate tra

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He, Leping, Jie Tan, Qijun Hu, et al. "Non-Contact Measurement of the Surface Displacement of a Slope Based on a Smart Binocular Vision System." Sensors 18, no. 9 (2018): 2890. http://dx.doi.org/10.3390/s18092890.

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The paper presents an intelligent real-time slope surface deformation monitoring system based on binocular stereo-vision. To adapt the system to field slope monitoring, a design scheme of concentric marking point is proposed. Techniques including Zernike moment edge extraction, the least squares method, and k-means clustering are used to design a sub-pixel precision localization method for marker images. This study is mostly focused on the tracking accuracy of objects in multi-frame images obtained from a binocular camera. For this purpose, the Upsampled Cross Correlation (UCC) sub-pixel templ

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Li, Lan, Xiao Xia Cao, and Yong Yang. "Tracking Performance Optimization of Compensation Current in Active Power Filter." Applied Mechanics and Materials 291-294 (February 2013): 2234–39. http://dx.doi.org/10.4028/www.scientific.net/amm.291-294.2234.

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The compensation principle of active power filter is analyzed，and the measurement method of harmonic and reactive current based on instantaneous reactive power theory is proposed．In the control methods of compensation current，aiming at the limitation of PI controller in compensation performance of active power filter，repetitive control is introduced in the tracking control of instruction current，and compound control strategy composed with PI controller and repetitive controller is adopted to affect the output of system．The system model based on compound control strategy is built and simulated

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Yüksel, Doğuş. "Investigation of Web-Based Eye-Tracking System Performance under Different Lighting Conditions for Neuromarketing." Journal of Theoretical and Applied Electronic Commerce Research 18, no. 4 (2023): 2092–106. http://dx.doi.org/10.3390/jtaer18040105.

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The increasing popularity of neuromarketing has led to the emergence of various measurement methods, such as webcam-based eye-tracking technology. Webcam-based eye-tracking technology is noteworthy not only for its use in laboratories but also for its ability to be applied to participants online in their natural environments through a link. However, the complexity of e-commerce interfaces necessitates high performance in eye-tracking methods. This complexity and the applicability of webcam-based eye-tracking technology in various environments have raised research questions about how its perfor

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Klokov, Andrey, Motayam Kanouj, and Aleksandr Mironchev. "A Novel Carrier Tracking Approach for GPS Signals Based on Gauss–Hermite Kalman Filter." Electronics 11, no. 14 (2022): 2215. http://dx.doi.org/10.3390/electronics11142215.

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In a conventional GPS receiver, the carrier tracking system is the key stage that keeps the receiver locked to the radio navigation parameters (RNPs) of the received signal. The most commonly used approaches to the tracking system are phase lock loop (PLL), frequency lock loop (FLL), and FLL-assisted PLL. The main limitation of the above approaches is that their performance deteriorates when working with weak signals and in harsh environments. In recent years, Kalman filter (KF)-based tracking loop architectures have gained increased attention due to their robust and better performance compare

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Nara, Shunsuke, and Satoru Takahashi. "Visual Feedback Tracking with Laser to Moving Crane Hook." Journal of Robotics and Mechatronics 18, no. 6 (2006): 795–802. http://dx.doi.org/10.20965/jrm.2006.p0795.

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This paper introduces measurement of the working radius of a crane truck based on visual feedback control. In order to realize the measurement, we developed an observation device which is equipped with a CCD camera, a laser range finder, and AC servo motors. Further, we propose a new algorithm for mark recognition and construct a control system with an extended Kalman filter to eliminate a time delay. By performing several experiments, we verify the performance of the observation device, and show the effectiveness of our proposed method.

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Su, Jun, Yaan Li, Wasiq Ali, Xiaohua Li, and Jing Yu. "Underwater 3D Doppler-Angle Target Tracking with Signal Time Delay." Sensors 20, no. 14 (2020): 3869. http://dx.doi.org/10.3390/s20143869.

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The traditional target tracking is a process of estimating the state of a moving target using measurement information obtained by sensors. However, underwater passive acoustic target tracking will confront further challenges, among which the system incomplete observability and time delay caused by the signal propagation create a great impact on tracking performance. Passive acoustic sensors cannot accurately obtain the target range information. The introduction of Doppler frequency measurement can improve the system observability performance; signal time delay cannot be ignored in underwater e

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Wang, Xiuxuan, and Hongwei Liang. "Application of Physical Modeling and Virtual Simulation Technology in Measuring the Performance of Subway Train Tracking and Operation." Scalable Computing: Practice and Experience 25, no. 5 (2024): 4274–82. http://dx.doi.org/10.12694/scpe.v25i5.3196.

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The purpose of this paper is to study the application of virtual simulation technology in the measurement of subway train tracking performance. Firstly, the safety braking model required by virtual reconnection technology is discussed around the operation simulation and performance measurement of virtual reconnection. The two trains are combined into ”one virtual reconnection train set”, the tracking train and the head train run with relative moving block, and the two run with the front train set with moving block. Then, according to the characteristics of Metro train tracking operation, a vir

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Ren, Jianxin, Junlin Zi, Hao Yang, and Jin Li. "Performance Analysis and Architectures for a MEMS-SINS/GPS Ultratight Integration System." Mathematical Problems in Engineering 2021 (March 10, 2021): 1–13. http://dx.doi.org/10.1155/2021/8892205.

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In order to analyze the performance of strapdown inertial navigation system/global position system (SINS/GPS) ultratight integration system with low-precision microelectromechanical system (MEMS) under challenging environments, a new MEMS-SINS/GPS ultratight integration scheme is designed. The time-space difference carrier phase velocity (TSDCP-v) is used to assist the carrier tracking loop, the measurement model including nonlinear term is established, and the corresponding filtering algorithm is designed. A simulation and verification platform is established to analyze and verify the perform

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Ho, Chao Ching, and C. L. Shih. "Machine Vision Based Tracking Control of a Ball-Beam System." Key Engineering Materials 381-382 (June 2008): 301–4. http://dx.doi.org/10.4028/www.scientific.net/kem.381-382.301.

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The dynamic behavior of a ball-beam system is highly nonlinear and its characteristic is difficult to define. In this paper we present a new ball-beam balancing control system using machine vision to feedback the beam angle and ball position on the beam. Adaptive threshold based continuously mean shift vision tracking algorithm is applied to record the ball position and the beam angle with highly captured frame-rate. The proposed vision tracking algorithm is tolerant to lighting influence, highly computing efficiency and more robust than traditional template pattern matching or edge detection

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Choi, Eun-Jung, Jonghyun Lee, Sungki Cho, et al. "A Study on the Enhancement of Detection Performance of Space Situational Awareness Radar System." Journal of Astronomy and Space Sciences 35, no. 4 (2018): 279–86. http://dx.doi.org/10.5140/jass.2018.35.4.279.

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Radar sensors are used for space situational awareness (SSA) to determine collision risk and detect re-entry of space objects. The capability of SSA radar system includes radar sensitivity such as the detectable radar cross-section as a function of range and tracking capability to indicate tracking time and measurement errors. The time duration of the target staying in a range cell is short; therefore, the signal-to-noise ratio cannot be improved through the pulse integration method used in pulse-Doppler signal processing. In this study, a method of improving the signal-to-noise ratio during r

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