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Journal articles on the topic 'Dynamic force signals'

Author: Grafiati

Published: 3 June 2025

Last updated: 20 July 2025

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1

Park, Simon S., and Yusuf Altintas. "Dynamic Compensation of Spindle Integrated Force Sensors With Kalman Filter." Journal of Dynamic Systems, Measurement, and Control 126, no. 3 (2004): 443–52. http://dx.doi.org/10.1115/1.1789531.

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This paper presents a dynamically compensated Spindle Integrated Force Sensor (SIFS) system to measure cutting forces. Piezo-electric force sensors are integrated into the stationary spindle housing. The structural dynamic model between the cutting forces acting on the tool tip and the measured forces at the spindle housing is identified. The system is first calibrated to compensate the influence of spindle run-out and unbalance at different speeds. Using the cutting force signals measured at the spindle housing, a Kalman Filter is designed to filter the influence of structural modes on the fo

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2

Zhao, Lin. "Numerical Control Lathe Cutting Force Signal On-Line Monitoring Design." Applied Mechanics and Materials 711 (December 2014): 329–32. http://dx.doi.org/10.4028/www.scientific.net/amm.711.329.

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The main research direction of Numerical control lathe cutting force signal on-line monitoring is to process real-time monitoring, using the sensor, charge amplifier, video acquisition card and computer to collect data and signal. Signal acquisition makes use of the piezoelectric sensor signals and send them to the computer in order to acquire the real-time data and display the dynamic signal so that monitor the process. Signal processing is the course that data will be collected for subsequent processing and analyzing. It includes display, filtering, correlation analysis, spectral analysis, e

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Cai, Zixiang, Mengyao Qu, Mingyang Han, et al. "Prediction and Fitting of Nonlinear Dynamic Grip Force of the Human Upper Limb Based on Surface Electromyographic Signals." Sensors 25, no. 1 (2024): 13. https://doi.org/10.3390/s25010013.

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This study aimed to predict and fit the nonlinear dynamic grip force of the human upper limb using surface electromyographic (sEMG) signals. The research employed a time-series-based neural network, NARX, to establish a mapping relationship between the electromyographic signals of the forearm muscle groups and dynamic grip force. Three-channel electromyographic signal acquisition equipment and a grip force sensor were used to record muscle signals and grip force data of the subjects under specific dynamic force conditions. After preprocessing the data, including outlier removal, wavelet denois

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Mativenga, P. T., and K. K. B. Hon. "An Experimental Study of Cutting Forces in High-Speed End Milling and Implications for Dynamic Force Modeling." Journal of Manufacturing Science and Engineering 127, no. 2 (2005): 251–61. http://dx.doi.org/10.1115/1.1863254.

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The characteristics of high-speed machining (HSM) dynamic milling forces was investigated. Recent studies in chip segmentation are discussed. A Mikron 700 High-Speed Machining Center was used in the end-milling of AISI H13 tool steel using PVD TiN coated two flute micrograin carbide tools. Dynamic force signals were studied using a real-time data acquisition system for spindle speeds from 3,750 to 31,500 rpm for a 6 mm dia tool. Frequency domain studies were also carried out for a larger tool of 12 mm dia for spindle speeds between 10,000 and 40,000 rpm. The trend and frequency domain aspects

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Stark, M., R. W. Stark, W. M. Heckl, and R. Guckenberger. "Inverting dynamic force microscopy: From signals to time-resolved interaction forces." Proceedings of the National Academy of Sciences 99, no. 13 (2002): 8473–78. http://dx.doi.org/10.1073/pnas.122040599.

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Zhao, Jian Bo. "The Design of CNC Lathe Cutting Force Signal On-Line Monitoring." Applied Mechanics and Materials 155-156 (February 2012): 526–30. http://dx.doi.org/10.4028/www.scientific.net/amm.155-156.526.

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The main task is to study the CNC lathe cutting force signal on-line monitoring system design, it mainly includes the cutting force signal acquisition, real-time monitoring and subsequent processing and analysis. Cutting force signal acquisition is the use of Kistler piezoelectric sensor signal, converted into voltage signal, and through the data acquisition board, to convert analog signals into digital signals, input to the computer, the computer real-time monitoring of machining process. Signal processing is to the acquisition of signal processing and analysis, to obtain the correct dynamic

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Falta, Jan, Marcel Adorna, Tomáš Fíla, and Petr Zlámal. "DIRECT MEASUREMENT OF REACTION FORCES DURING FAST DYNAMIC LOADING." Acta Polytechnica CTU Proceedings 25 (December 6, 2019): 32–35. http://dx.doi.org/10.14311/app.2019.25.0032.

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The presented paper is focused on embedding of the serially manufactured piezo-electric impact loadcell into Open Hopkinson Pressure Bar (OHPB) and it’s modifications for a direct force measurement during dynamic loading. Conventionally, during the SHPB test dynamic force equilibrium is investigated by a comparison of the transmitted signal wave and the difference between the incident, reflected and transmitted signals measured by strain gauges [1]. However, in the experiments with specimens with low mechanical impedance, a major portion of the incident wave is reflected back on the interface

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LEPIARCZYK, Dariusz, Wacław GAWĘDZKI, and Jerzy TARNOWSKI. "ANALYSIS OF THE INFLUENCE OF FRICTION FORCE ON THE STRAINS OF GAS PIPELINE USING THE HILBERT-HUANG TRANSFORM." Tribologia 268, no. 4 (2016): 145–55. http://dx.doi.org/10.5604/01.3001.0010.6990.

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The aim of the study was to determine the effect of friction forces on strains of a gas pipeline pipe in conditions of static and dynamic load. The experiments were conducted on a 28-metre section of pipe laid in quartz sand haunching. The source of dynamic loads was artificially generated soil vibration of a pulse character, which can be interpreted as seismic-like waves of mining origin. The static loads were applied by means of an actuator, which allowed the setting of different values of tension force acting along the pipe axis. The dynamic strain and vibration acceleration of the pipeline

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Saglam, Haci, and Ali Unuvar. "THREE-COMPONENT, STRAIN GAGE BASED MILLING DYNAMOMETER DESIGN AND MANUFACTURING." Journal of Integrated Design and Process Science: Transactions of the SDPS, Official Journal of the Society for Design and Process Science 5, no. 2 (2001): 95–109. http://dx.doi.org/10.3233/jid-2001-5208.

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In engineering applications, force measurements, particularly in machine tools, has been done widely. In this study, a dynamometer design and manufacturing, Strain Gage based, tree-component, computer linked, were carried out to measure cutting forces in milling. This dynamometer can be used in static force measurements and also in dynamic force measurements in planning and grinding machines. Strain gages bonded on the octagonal rings have been used for sensing of the force signals. The analogue force signals obtained from three-channels have been amplified and converted into digital signals v

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Harris, Andrew R., Pamela Jreij, and Daniel A. Fletcher. "Mechanotransduction by the Actin Cytoskeleton: Converting Mechanical Stimuli into Biochemical Signals." Annual Review of Biophysics 47, no. 1 (2018): 617–31. http://dx.doi.org/10.1146/annurev-biophys-070816-033547.

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Force transmission through the actin cytoskeleton plays a central role in cell movements, shape change, and internal organization. Dynamic reorganization of actin filaments by an array of specialized binding proteins creates biochemically and architecturally distinct structures, many of which are finely tuned to exert or resist mechanical loads. The molecular complexity of the actin cytoskeleton continues to be revealed by detailed biochemical assays, and the architectural diversity and dynamics of actin structures are being uncovered by advances in super-resolution fluorescence microscopy and

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Li, Zebin, Lifu Gao, Gang Zhang, et al. "MMG-Based Knee Dynamic Extension Force Estimation Using Cross-Talk and IGWO-LSTM." Bioengineering 11, no. 5 (2024): 470. http://dx.doi.org/10.3390/bioengineering11050470.

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Mechanomyography (MMG) is an important muscle physiological activity signal that can reflect the amount of motor units recruited as well as the contraction frequency. As a result, MMG can be utilized to estimate the force produced by skeletal muscle. However, cross-talk and time-series correlation severely affect MMG signal recognition in the real world. These restrict the accuracy of dynamic muscle force estimation and their interaction ability in wearable devices. To address these issues, a hypothesis that the accuracy of knee dynamic extension force estimation can be improved by using MMG s

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GAWĘDZKI, Wacław, and Jerzy TARNOWSKI. "A STUDY OF THE INFLUENCE OF FRICTION FORCES ON THE TRANSMISSION OF SOIL VIBRATION ON GAS PIPELINES." Tribologia 272, no. 2 (2017): 49–58. http://dx.doi.org/10.5604/01.3001.0010.6272.

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The article presents the influence of friction force values during the contact of a gas pipeline with sand pack on the transmission of soil vibrations on a tested pipe section. Field experiments were carried out on standard gas pipeline insulations subjected to dynamic interactions. The load sources comprised artificially generated soil vibrations with an impulsive character. Within the course of experiments, soil and pipe vibration acceleration signals were registered for different values of friction forces in its contact with the soil. The value of friction forces being a variable parameter

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Wang, Yunpeng, and Zonglin Jiang. "Intelligent Force-Measurement System Use in Shock Tunnel." Sensors 20, no. 21 (2020): 6179. http://dx.doi.org/10.3390/s20216179.

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The inertial vibration of the force measurement system (FMS) has a large influence on the force measuring result of aircraft, especially on some tests carried out in high-enthalpy impulse facilities, such as in a shock tunnel. When force tests are conducted in a shock tunnel, the low-frequency vibrations of the FMS and its motion cannot be addressed through digital filtering because of the inertial forces, which are caused by the impact flow during the starting process of the shock tunnel. Therefore, this paper focuses on the dynamic characteristics of the performance of the FMS. A new method—

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Yekutieli, Yoram, Roni Sagiv-Zohar, Binyamin Hochner, and Tamar Flash. "Dynamic Model of the Octopus Arm. II. Control of Reaching Movements." Journal of Neurophysiology 94, no. 2 (2005): 1459–68. http://dx.doi.org/10.1152/jn.00685.2004.

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The dynamic model of the octopus arm described in the first paper of this 2-part series was used here to investigate the neural strategies used for controlling the reaching movements of the octopus arm. These are stereotypical extension movements used to reach toward an object. In the dynamic model, sending a simple propagating neural activation signal to contract all muscles along the arm produced an arm extension with kinematic properties similar to those of natural movements. Control of only 2 parameters fully specified the extension movement: the amplitude of the activation signal (leading

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Alemi, Alireza, Francesco Corman, Yusong Pang, and Gabriel Lodewijks. "Evaluation of the influential parameters contributing to the reconstruction of railway wheel defect signals." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 234, no. 9 (2019): 1005–16. http://dx.doi.org/10.1177/0954409719882828.

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A wheel impact load detector is used to assess the condition of a railway wheel by measuring the dynamic forces generated by defects. This system normally measures the impact force at multiple points by exploiting multiple sensors to collect samples from different portions of the wheel circumference. The outputs of the sensors are used to estimate the dynamic force as the main indicator for detecting the presence of the defect. This method fails to identify the defect type and its severity. Recently, a data fusion method has been developed to reconstruct the wheel defect signal from the wheel–

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Alemi, Alireza, Francesco Corman, Yusong Pang, and Gabriel Lodewijks. "Reconstruction of an informative railway wheel defect signal from wheel–rail contact signals measured by multiple wayside sensors." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 233, no. 1 (2018): 49–62. http://dx.doi.org/10.1177/0954409718784362.

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Wheel impact load detectors are widespread railway systems used for measuring the wheel–rail contact force. They usually measure the rail strain and convert it to force in order to detect high impact forces and corresponding detrimental wheels. The measured strain signal can also be used to identify the defect type and its severity. The strain sensors have a limited effective zone that leads to partial observation from the wheels. Therefore, wheel impact load detectors exploit multiple sensors to collect samples from different portions of the wheels. The discrete measurement by multiple sensor

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17

Liu, Dong, Yun Jian Ge, and Xue Yong Zhang. "On-Line Signature Verification Utilizing 3-Axis Force Features Extraction Based on DWT." Applied Mechanics and Materials 241-244 (December 2012): 2990–95. http://dx.doi.org/10.4028/www.scientific.net/amm.241-244.2990.

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Automatic on-line signature verification is an intriguing intellectual challenge with wide attention and practical applications. We examined the validation of the new dynamic features for on-line signature verification, which extracted from 3-axis forces of pen-tip to writing tablet with application of discrete wavelet transform (DWT). The force signals were decomposed into sub-band signals by DWT and individual features were extracted as locations of modulus maximum in detail and the values of the wavelet transform at the corresponding location. Verification was achieved by using dynamic time

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18

Dontsov, I. E., and M. N. Lysych. "INSTALLATION FOR THREE-DIMENSIONAL DYNAMIC MEASUREMENT OF THE TILLING TOOLS AND THE RESULTS OF ITS USE." Traktory i sel hozmashiny 84, no. 2 (2017): 9–15. http://dx.doi.org/10.17816/0321-4443-66251.

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For effective work of forestry and agricultural tilling equipment it is important to have information about the power parameters of tilling tool. The purpose of the research is to develop a device that can give an idea about changing the power parameters of tillage tool in all three planes of projections for the unsteady motion of the tractor with a tillage tool. This method is based on the model of force interaction of tillage implements with the soil, suggested by Professor L.V. Gyachev. The article is devoted to the study of power parameters of passive, active, and rotational tilling tool.

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Li, Wei, S. Jack Hu, and Jun Ni. "On-line Quality Estimation in Resistance Spot Welding." Journal of Manufacturing Science and Engineering 122, no. 3 (1999): 511–12. http://dx.doi.org/10.1115/1.1286814.

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A neural network model is developed for on-line nugget size estimation in resistance spot welding. The variables used consist of features extracted from both controllable process input variables and on-line signals. A systematic signal and feature selection procedure is developed. The three commonly observed on-line signals, dynamic resistance, force, and electrode displacement, have been proven to carry similar information. Thus, only dynamic resistance is used in the model. The obtained model has been demonstrated to be robust over various welding conditions including electrode wear. [S1087-

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Beltran-Carbajal, Francisco, Antonio Valderrabano-Gonzalez, Antonio Favela-Contreras, Jose Luis Hernandez-Avila, Irvin Lopez-Garcia, and Ruben Tapia-Olvera. "An Active Vehicle Suspension Control Approach with Electromagnetic and Hydraulic Actuators." Actuators 8, no. 2 (2019): 35. http://dx.doi.org/10.3390/act8020035.

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An active vibration control approach from an online estimation perspective of unavailable feedback signals for a quarter-vehicle suspension system is introduced. The application of a new signal differentiation technique for the online estimation of disturbance trajectories due to irregular road surfaces and velocity state variables is described. It is assumed that position measurements are only available for active disturbance suppression control implementation. Real-time signal differentiation is independent of detailed mathematical models of specific dynamic systems and control force generat

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21

Sawicki, Jerzy T., Maurice L. Adams, and Russell J. Capaldi. "System Identification Methods for Dynamic Testing of Fluid-Film Bearings." International Journal of Rotating Machinery 2, no. 4 (1996): 237–45. http://dx.doi.org/10.1155/s1023621x96000115.

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There are various system identification approaches typically used to extract the rotordynamic coefficients from simultaneously measured dynamic force and motion signals. Since the coefficient values extracted can vary significantly as a function of the system identification approach used, more attention is needed to treat this issue than is typically included in the rotor dynamics literature. This paper describes system identification and data reduction methods used for extracting rotordynamic coefficients of fluid-film journal bearings. Data is used from a test apparatus incorporating a doubl

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Kawamura, Akihiro, Kenji Tahara, Ryo Kurazume, and Tsutomu Hasegawa. "Dynamic grasping of an arbitrary polyhedral object." Robotica 31, no. 4 (2012): 511–23. http://dx.doi.org/10.1017/s0263574712000525.

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SUMMARYThis paper proposes a novel dynamic stable grasping method of an arbitrary polyhedral object for a hand-arm system with hemispherical fingertips. This method makes it possible to satisfy the force/torque equilibrium condition for the immobilization of the object without knowledge of the object. Two control signals are proposed which generate grasping forces normal and tangential to an object surface in a final state. The dynamics of the overall system is modeled and analyzed theoretically. We demonstrate the stable grasping of an arbitrary polyhedral object using the proposed controller

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Zhang, Wei, Bei Bei Sun, and Xiao Bo Kang. "Modeling and Analysis of Main Drive Train in a Power-Driven Turret." Advanced Materials Research 139-141 (October 2010): 943–46. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.943.

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This work investigates dynamics of a three-stage gear system in a new power-driven turret. This paper mainly consists to develop two kinds of dynamic models of the main drive train. One is the dynamic contact model of the gear system to calculate the dynamic meshing forces and the tooth root stresses. The other is a virtual prototype model adequately incorporating the deformability of the bearings to analyze the dynamical response. The dynamic meshing force and the tooth root stress were compared with the theoretically calculated results. The vibration acceleration signals of the turret were g

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Lyu, Qiang, Fan Pei, Ying-Long Zhao, Jia-Wei Ling, and Neng-Hui Zhang. "Multi-Channel Signals in Dynamic Force-Clamp Mode of Microcantilever Sensors for Detecting Cellular Peripheral Brush." Sensors 24, no. 19 (2024): 6312. http://dx.doi.org/10.3390/s24196312.

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The development of numerous diseases, such as renal cyst, cancer, and viral infection, is closely associated with the pathological changes and defects in the cellular peripheral brush. Therefore, it is necessary to develop a potential new method to detect lesions of cellular peripheral brush. Here, a piecewise linear viscoelastic constitutive model of cell is established considering the joint contribution of the peripheral brush and intra-cellular structure. By combining the Laplace transformation and its inverse transformation, and the differential method in the temporal domain and differenti

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Neto, Francisco Paulo Lépore, José Daniel Biasoli de Mello, and Marcelo Braga dos Santos. "Non-Linear Signal Analysis Applied to Surface Wear Condition Monitoring in Reciprocating Sliding Testing Machines." Shock and Vibration 13, no. 4-5 (2006): 327–41. http://dx.doi.org/10.1155/2006/938951.

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When the surfaces of two elastic bodies present relative motions under certain amount of contact pressure the mechanical system can be unstable. Experiments conducted on elastic bodies in contact shown that the dynamic system is self-excited by the non-linear behavior of the friction forces. The main objective of this paper is to estimate the friction force using the vibrations signals, measured on a reciprocating wear testing machine, by the proposed non-linear signal analysis formulation. In the proposed formulation the system global output is the sum of two outputs produced by a linear path

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Reeser, Kiersten A., Alexandria Podolski, William Gray, Andrew D. Brown, and Theodore F. Argo. "Investigating commercially available force sensors for bone conduction hearing device evaluation." Journal of the Acoustical Society of America 156, no. 4_Supplement (2024): A36—A37. https://doi.org/10.1121/10.0035017.

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Bone conduction devices (BCDs) stimulate the auditory system by transmitting audio-frequency vibrations into the head. BCDs have long been used to diagnose and treat hearing loss, but increased interest in BCDs for consumer and communications applications has led to a proliferation of transducer designs. BCD calibration has historically been performed using an artificial mastoid, an expensive device that does not readily accommodate all BCD styles or account for impacts of anatomical variability on BCD coupling. Recent developments in force sensing technology could offer an inexpensive alterna

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Tounsi, Najeh, and Alain Otho. "Dynamometer Performance Modeling and Experimental Assessment." Journal of Dynamic Systems, Measurement, and Control 122, no. 3 (1998): 477–82. http://dx.doi.org/10.1115/1.1286519.

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Piezoelectric dynamometers are generally used for force measuring. During transient period, their performance is limited because the signals they delivered are distorted by their dynamic behavior and then are different from applied force. This paper proposes a method to identify the dynamic characteristics of the dynamometer so that the distortion of the signal can be compensated leading to the actual force. This method is based on the interrupted cutting of a specially designed workpiece that provides a strong broadband excitation. The three components of the exciting force and the accelerati

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Fan, Yi Hang, Min Li Zheng, De Qing Zhang, Shu Cai Yang, and Ming Ming Cheng. "Static and Dynamic Characteristic of Cutting Force when High-Efficiency Cutting Ti-6Al-4V." Advanced Materials Research 305 (July 2011): 122–28. http://dx.doi.org/10.4028/www.scientific.net/amr.305.122.

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Experiment of cylindrical dry turning Ti6Al4V has been carried out employing coated and uncoated carbide tools to determine the characteristic of cutting force. Force signals have been extracted in the turning processes. The static component value of cutting force has been calculated and fractal behavior of cutting force has been studied by calculating fractal dimension. The results of studies indicate that radial force of static component is higher than the other forces. The static values of cutting force involving T2 (composite coating with TiAlN and AlCrN) and T3 (uncoated carbide) are less

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Miao, Bing, Yunwang Li, and Yinan Guo. "Design of Digital Twin Cutting Experiment System for Shearer." Sensors 24, no. 10 (2024): 3194. http://dx.doi.org/10.3390/s24103194.

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This study presents an advanced simulated shearer machine cutting experiment system enhanced with digital twin technology. Central to this system is a simulated shearer drum, designed based on similarity theory to accurately mirror the operational dynamics of actual mining cutters. The setup incorporates a modified machining center equipped with sophisticated sensors that monitor various parameters such as cutting states, forces, torque, vibration, temperature, and sound. These sensors are crucial for precisely simulating the shearer cutting actions. The integration of digital twin technology

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Zhang, Leiyu, Zhenxing Jiao, Yongzhen Li, and Yawei Chang. "Movement Recognition and Muscle Force Estimation of Wrist Based on Electromyographic Signals of Forearm." Biosensors 15, no. 4 (2025): 259. https://doi.org/10.3390/bios15040259.

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To enhance wrist impairment rehabilitation efficiency, self-rehabilitation training using healthy-side forearm sEMG was introduced, improving patient engagement and proprioception. A sEMG-based movement recognition and muscle force estimation algorithm was proposed to transmit the estimated results to a wrist rehabilitation robot. Dominant eigenvalues of raw forearm EMG signals were selected to construct a movement recognition model that included a BPNN, a voting decision, and an intensified algorithm. An experimental platform for muscle force estimation was established to measure sEMG under v

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Girbés, Vicent, Daniel Hernández, Leopoldo Armesto, Juan Dols, and Antonio Sala. "Drive Force and Longitudinal Dynamics Estimation in Heavy-Duty Vehicles." Sensors 19, no. 16 (2019): 3515. http://dx.doi.org/10.3390/s19163515.

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Modelling the dynamic behaviour of heavy vehicles, such as buses or trucks, can be very useful for driving simulation and training, autonomous driving, crash analysis, etc. However, dynamic modelling of a vehicle is a difficult task because there are many subsystems and signals that affect its behaviour. In addition, it might be hard to combine data because available signals come at different rates, or even some samples might be missed due to disturbances or communication issues. In this paper, we propose a non-invasive data acquisition hardware/software setup to carry out several experiments

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Xiao, Zhen Gang, and Carlo Menon. "An Investigation on the Sampling Frequency of the Upper-Limb Force Myographic Signals." Sensors 19, no. 11 (2019): 2432. http://dx.doi.org/10.3390/s19112432.

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Force myography (FMG) is an emerging method to register muscle activity of a limb using force sensors for human–machine interface and movement monitoring applications. Despite its newly gained popularity among researchers, many of its fundamental characteristics remain to be investigated. The aim of this study is to identify the minimum sampling frequency needed for recording upper-limb FMG signals without sacrificing signal integrity. Twelve healthy volunteers participated in an experiment in which they were instructed to perform rapid hand actions with FMG signals being recorded from the wri

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Slimani, Abdesselem, Allaoua Kherraf, and Kamel Zidani. "Adaptive Dynamic Cutting Force Control Analysis for Peripheral Milling." Engineering, Technology & Applied Science Research 13, no. 2 (2023): 10228–31. http://dx.doi.org/10.48084/etasr.5588.

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The implementation of condition monitoring tools can improve plant availability and lower downtime costs in general. A reliable adaptive control system can prevent machine downtime or undesired situations such as chatter vibration and excessive tool wear, permitting the best utilization of a tool's life. This study used dynamic force analysis to create an adaptive dynamic control system for Computer Numerical Control (CNC) milling to adjust a controlled system for signals from offline measurements that will be processed and supplied back to the machine tool controller to correct cutting parame

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Klaus, L. "Static and dynamic bridge amplifier calibration according to ISO 4965-2." ACTA IMEKO 9, no. 5 (2020): 200. http://dx.doi.org/10.21014/acta_imeko.v9i5.969.

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Dynamic measurements to correctly adjust the magnitude in fatigue testing require a dynamic calibration of force transducers and conditioning electronics if the dynamic loads are to be measured correctly. International standard ISO 4965 describes a calibration method for these components. At PTB, such a calibration of bridge amplifiers has now been performed for the first time. The calibration includes tests with static and dynamic signals. The reference for the calibration is the dynamic bridge standard of PTB. It is particularly suitable for this application as it can generate static and dyn

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Zhang, Yelei, Baoji Yin, Huifeng Jiao, Jian Zhang, and Fei Yan. "Model Establishment and Parameter Identification of Remotely Operated Vehicle (ROV)." Journal of Physics: Conference Series 2785, no. 1 (2024): 012107. http://dx.doi.org/10.1088/1742-6596/2785/1/012107.

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Abstract To study the dynamic characteristics of remotely operated vehicle (ROV) underwater motion, a transformation matrix between the carrier coordinate system and the inertial coordinate system was established, and the rigid body dynamics model of the ROV was derived by using the Newton-Euler equation. According to the results of the ROV experimental prototype in this article, the dynamic model is simplified based on the force, motion characteristics, and structural characteristics. In the pool experiment, based on the propeller dynamic model, the least squares method was used to identify t

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Lienkov, S. V., O. O. Haisha, and O. O. Haisha. "COMMUNICATSON SYSTEM BASED ON THE GRAVITATIONAL FIELD USING FOR INFORMATION TRANSMISSION." Collection of scientific works of the Military Institute of Kyiv National Taras Shevchenko University, no. 85 (2024): 14–21. https://doi.org/10.17721/2519-481x/2024/85-02.

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This study examines an innovative concept for transmitting information through gravitational interactions, presenting a fundamentally different approach from conventional electromagnetic communication systems. The authors propose a hypothetical model to explore the feasibility of utilizing gravitational forces for discrete signal transmission. The concept is illustrated through an analogy involving two individuals who cannot communicate visually or audibly, with using of a heavy ball, a rod, and a thread to exchange binary information. This method draws inspiration from Cavendish`s experiment,

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Short, Kevin M. "Detection of Teleseismic Events in Seismic Sensor Data Using Nonlinear Dynamic Forecasting." International Journal of Bifurcation and Chaos 07, no. 08 (1997): 1833–45. http://dx.doi.org/10.1142/s0218127497001400.

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In this paper we consider the use of nonlinear dynamic (NLD) forecasting as a signal processing tool for seismic applications. The specific problem considered here arises in monitoring nuclear tests and nuclear treaty compliance, where the presence of ubiquitous background noise obscures the seismic signals associated with the tests. The problem is that the signal from a distant teleseismic event can be attenuated so that it is lost in the background noise, and since the noise overlaps the frequency band occupied by the teleseisms, frequency-based techniques provide only marginal improvements

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HUANG, HAI, YONG-JIE PANG, JIANG LI, SHAO-WEI FAN, XIN-QING WANG, and HONG LIU. "UNDERACTUATED HAND DYNAMIC MODELING, ITS REAL-TIME SIMULATION, AND CONTROL." International Journal of Humanoid Robotics 07, no. 04 (2010): 609–34. http://dx.doi.org/10.1142/s021984361000226x.

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The forward and inverse dynamic models of the underactuated 2-DOF finger have been established in this article based on virtual spring approach. This approach not only avoids the solution of differential-algebraic equations but also leads to a completely decoupled dynamic model that is ideal for directly inverse dynamic analysis, real-time dynamic simulation and control. To verify this approach, an underactuated 3-joint finger has been brought forward. Simulation results from Matlab/Simulink are consistent with those obtained from ADAMS grasp simulations. For the hand real-time dynamic control

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Pan, Minghao, Yongmin Yang, Fengjiao Guan, et al. "A Novel Dynamic Characteristic for Detecting Breathing Cracks in Blades Based on Vibration Response Envelope Analysis." Machines 13, no. 5 (2025): 399. https://doi.org/10.3390/machines13050399.

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Fatigue cracks in blades pose a significant threat to the safe operation of rotating machinery. Currently, the application of non-contact displacement sensors in blade vibration measurements has enabled the widespread analysis of nonlinear dynamic characteristics, such as natural frequency deviations and spectral anomalies, to enhance crack fault diagnosis in rotating machinery. However, these two dynamic characteristics are not distinguishable for crack changes, especially for incipient cracks, leading to potential misdiagnosis. In this paper, a dynamic characteristic called the envelope diag

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Oraby, S. E., A. F. Al-Modhuf, and D. R. Hayhurst. "A Diagnostic Approach for Turning Tool Based on the Dynamic Force Signals." Journal of Manufacturing Science and Engineering 127, no. 3 (2004): 463–75. http://dx.doi.org/10.1115/1.1948397.

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In the current work it is proposed a simple, and fast softwired tool wear monitoring approach, based upon the features of the time series analysis and the Green’s Function (GF) features. The proposed technique involves the decomposition of the force signals into deterministic component and stochastic variation-carrying component. Then, only the stochastic component is processed to detect the adequate autoregressive moving average (ARMA) models representing the tool state at every wear condition. Models are further reduced to form a more representative parameter, the “Green’s Function (GF).” Th

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Chiu, Chien-Kuo, Chia-Hsin Wu, Hsin-Fang Sung, Wen-I. Liao, and Chih-Hsien Lin. "Application of Post-Embedded Piezoceramic Sensors for Force Detection on RC Columns under Seismic Loading." Applied Sciences 10, no. 15 (2020): 5061. http://dx.doi.org/10.3390/app10155061.

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To quantify damage to reinforced concrete (RC) column members after an earthquake, an engineer needs to know the maximum applied force that was generated by the earthquake. Therefore, in this work, piezoceramic transducers were used to detect the applied force on an RC column member under dynamic loading. To investigate the use of post-embedded piezoceramic sensors in detecting the force that is applied to RC columns, eight full-size RC column specimens with various failure modes were tested under specific earthquake loadings. Post-embedded piezoceramic sensors were installed at a range of dep

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Nhan, TRAN Huu, and Nguyễn Văn Hoàng. "Turning dynamics analysis of a heavy articulated vehicle by the vehicle planar dynamic model with two steering input signals." Science & Technology Development Journal - Engineering and Technology 4, no. 2 (2021): first. http://dx.doi.org/10.32508/stdjet.v4i2.767.

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The vehicle planar single track dynamic model with two input steering angle parameters is derived by using Lagrange's method with the basis of equations for calculating the tire's force components. Dynamic analysis of a heavy articulated vehicle in case of turing is carried out by the vehicle planar dynamic model, in which two input steering angles are taken into account. Simulation with the selected velocity value to make sure that the stability according to the friction conditions at all axles of the vehicle is satisfied. Turning spacing, lateral forces at each axle of the vehicle are determ

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Mascaro, Aaron, Yoichi Miyahara, Tyler Enright, Omur E. Dagdeviren, and Peter Grütter. "Review of time-resolved non-contact electrostatic force microscopy techniques with applications to ionic transport measurements." Beilstein Journal of Nanotechnology 10 (March 1, 2019): 617–33. http://dx.doi.org/10.3762/bjnano.10.62.

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Recently, there have been a number of variations of electrostatic force microscopy (EFM) that allow for the measurement of time-varying forces arising from phenomena such as ion transport in battery materials or charge separation in photovoltaic systems. These forces reveal information about dynamic processes happening over nanometer length scales due to the nanometer-sized probe tips used in atomic force microscopy. Here, we review in detail several time-resolved EFM techniques based on non-contact atomic force microscopy, elaborating on their specific limitations and challenges. We also intr

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Kim, Kyungrim, Jinwook Kim, Xiaoning Jiang, and Taeyang Kim. "Static Force Measurement Using Piezoelectric Sensors." Journal of Sensors 2021 (March 15, 2021): 1–8. http://dx.doi.org/10.1155/2021/6664200.

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In force measurement applications, a piezoelectric force sensor is one of the most popular sensors due to its advantages of low cost, linear response, and high sensitivity. Piezoelectric sensors effectively convert dynamic forces to electrical signals by the direct piezoelectric effect, but their use has been limited in measuring static forces due to the easily neutralized surface charge. To overcome this shortcoming, several static (either pure static or quasistatic) force sensing techniques using piezoelectric materials have been developed utilizing several unique parameters rather than just

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Pomante, A., L. P. J. Selen, and W. P. Medendorp. "Perception of the dynamic visual vertical during sinusoidal linear motion." Journal of Neurophysiology 118, no. 4 (2017): 2499–506. http://dx.doi.org/10.1152/jn.00439.2017.

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The vestibular system provides information for spatial orientation. However, this information is ambiguous: because the otoliths sense the gravitoinertial force, they cannot distinguish gravitational and inertial components. As a consequence, prolonged linear acceleration of the head can be interpreted as tilt, referred to as the somatogravic effect. Previous modeling work suggests that the brain disambiguates the otolith signal according to the rules of Bayesian inference, combining noisy canal cues with the a priori assumption that prolonged linear accelerations are unlikely. Within this mod

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Khoshdel, Vahab, and Alireza Akbarzadeh. "An optimized artificial neural network for human-force estimation: consequences for rehabilitation robotics." Industrial Robot: An International Journal 45, no. 3 (2018): 416–23. http://dx.doi.org/10.1108/ir-10-2017-0190.

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Purpose This paper aims to present an application of design of experiments techniques to determine the optimized parameters of artificial neural networks (ANNs), which are used to estimate human force from Electromyogram (sEMG) signals for rehabilitation robotics. Physiotherapists believe, to make a precise therapeutic exercise, we need to design and perform therapeutic exercise base on patient muscle activity. Therefore, sEMG signals are the best tool for using in therapeutic robots because they are related to the muscle activity. Using sEMG signals as input for therapeutic robots need precis

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Klungphon, Kitikun, and Somkiat Tangjitsitcharoen. "Development of In-Process Chip Breaking Detection by Using Cutting Force and Temperature Signals." Advanced Materials Research 337 (September 2011): 489–93. http://dx.doi.org/10.4028/www.scientific.net/amr.337.489.

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In order to realize the intelligent machines, an in-process monitoring system is developed to detect the continuous chip and the broken chip regardless of the cutting conditions on CNC turning by utilizing the power spectrum density, PSD of dynamic cutting force and the variance of the dynamic cutting temperature, which are measured during the cutting by employing the dynamometer and the infrared pyrometer. The broken chip formation is required for the reliable turning operation. The preliminary experiments suggested that there are basically two patterns of PSDs of chip forms. One is the case

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Lin, Sheng, Lingxuan Zhang, Shijun Zhou, and Chongfeng Zhang. "Multi-dimensional dynamic measurement uncertainty analysis for the six-axis force sensor used in docking system." Transactions of the Institute of Measurement and Control 40, no. 10 (2017): 3040–48. http://dx.doi.org/10.1177/0142331217712582.

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The tough space environment has a great influence on the reliability of the measurement results owing to the rapidly aging sensor. Also, the measurement uncertainty caused by the random factors seriously affects the accuracy of the sensor. Aiming at the multidimensional dynamic uncertainty problem of the six-axis force measurement, a six-axis force sensor for docking system is presented based on the piezoelectric force sensing element. The decoupling algorithm of the six-axis force sensor is proposed. Grey prediction model is employed to establish the dynamic uncertainty model in single channe

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Xu, Lizhong, Yulei Liu, and Xiaorui Fu. "Effects of the van der Waals Force on the Dynamics Performance for a Micro Resonant Pressure Sensor." Shock and Vibration 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/3426196.

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The micro resonant pressure sensor outputs the frequency signals where the distortion does not take place in a long distance transmission. As the dimensions of the sensor decrease, the effects of the van der Waals forces should be considered. Here, a coupled dynamic model of the micro resonant pressure sensor is proposed and its coupled dynamic equation is given in which the van der Waals force is considered. By the equation, the effects of the van der Waals force on the natural frequencies and vibration amplitudes of the micro resonant pressure sensor are investigated. Results show that the n

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Burdzik, R., Z. Stanik, and J. Warczek. "Method of Assessing the Impact of Material Properties on the Propagation of Vibrations Excited with a Single Force Impulse." Archives of Metallurgy and Materials 57, no. 2 (2012): 409–16. http://dx.doi.org/10.2478/v10172-012-0040-5.

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Method of Assessing the Impact of Material Properties on the Propagation of Vibrations Excited with a Single Force Impulse The article provides a discussion on the studies comprising active experiments conducted on selected structural components, the purpose of which was to analyse the impact of properties of the material used on the dynamic state form. The vibration excitation was achieved by applying a force impulse of a specific value. The studies were conducted on excitations acting perpendicularly to the surface of the component being examined in strictly established geometric arrangement

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