Academic literature on the topic 'Hard nonlinearity'

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Journal articles on the topic "Hard nonlinearity"

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Sun, Wei, Ying Liu, and Guangyu Du. "Analytical Modeling of Hard-Coating Cantilever Composite Plate considering the Material Nonlinearity of Hard Coating." Mathematical Problems in Engineering 2015 (2015): 1–14. http://dx.doi.org/10.1155/2015/978392.

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Due to the material nonlinearity of hard coating, the coated structure produces the nonlinear dynamical behaviors of variable stiffness and damping, which make the modeling of hard-coating composite structure become a challenging task. In this study, the polynomial was adopted to characterize this material nonlinearity and an analytical modeling method was developed for the hard-coating composite plate. Firstly, to relate the hard-coating material parameters obtained by test and the analytical model, the expression of equivalent strain of composite plate was derived. Then, the analytical model
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LIPTON, J. M., and K. P. DABKE. "SOFTENING THE NONLINEARITY IN CHUA'S CIRCUIT." International Journal of Bifurcation and Chaos 06, no. 01 (1996): 179–83. http://dx.doi.org/10.1142/s0218127496001922.

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The effects of both hard and soft nonlinearities are examined in the frequency domain. Softening the hard nonlinearity in Chua's diode has a similar effect to low pass filtering or reducing the level of high frequency noise components.
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Aoki, K., and T. Watanabe. "Nonlinearity of Thermal Spacing Control in Hard Disk Drives." IEEE Transactions on Magnetics 45, no. 2 (2009): 816–21. http://dx.doi.org/10.1109/tmag.2008.2010641.

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Loskutov, Yuri V. "The schism in postnonclassical rationality." Vestnik of Saint Petersburg University. Philosophy and Conflict Studies 38, no. 1 (2022): 30–41. http://dx.doi.org/10.21638/spbu17.2022.103.

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Ontological, epistemological, socio-practical, and ethical aspects demonstrate the impossibility of the coexistence of the complex idea of human dimensionality with the complex idea of nonlinearity in the “hard core” of postnonclassical research programs. The idea of human dimensionality, which necessarily has a real paradigmatic status in postnonclassical science, seriously limits the worldview ideas of nonlinearity in favor of linear concepts. The claim of the worldview of nonlinearity to paradigmatic status in postnonclassics leads to the loss of compatibility of this idea with the idea of
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Sun, Wei, Xiaozhou Liu, and Jixiang Jiang. "Vibration analysis of hard-coating laminated plate considering strain-dependent characteristic." Journal of Low Frequency Noise, Vibration and Active Control 37, no. 4 (2018): 789–800. http://dx.doi.org/10.1177/1461348418781867.

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An analytical modeling method of hard-coating laminated plate under base excitation was studied considering strain-dependent characteristic of coating material (i.e. a kind of material nonlinear behavior). For convenience, the strain-dependent characteristic of hard-coating material was characterized by polynomial, and the material parameters were divided into two parts: linearity and nonlinearity. Hard coating was regarded as a special layer in the analysis and Lagrange’s equation was used to acquire nonlinear equation of motion of the hard-coating laminated plate. Based on Newton–Raphson met
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Jian Qin Gong, Lin Guo, Ho Seong Lee, and Bin Yao. "Modeling and cancellation of pivot nonlinearity in hard disk drives." IEEE Transactions on Magnetics 38, no. 5 (2002): 3560–65. http://dx.doi.org/10.1109/tmag.2002.802745.

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Morozov, Maxim, Dragan Damjanovic, and Nava Setter. "The nonlinearity and subswitching hysteresis in hard and soft PZT." Journal of the European Ceramic Society 25, no. 12 (2005): 2483–86. http://dx.doi.org/10.1016/j.jeurceramsoc.2005.03.086.

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Benyassi, Mohamed, Adil Brouri, and Smail Slassi. "Nonlinear systems identification with discontinuous nonlinearity." IAES International Journal of Robotics and Automation (IJRA) 9, no. 1 (2019): 34. http://dx.doi.org/10.11591/ijra.v9i1.pp34-41.

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<span>In this paper, nonparametric nonlinear systems identification is proposed. The considered system nonlinearity is nonparametric and is of hard type. This latter can be discontinuous and noninvertible. The entire nonlinear system is structured by Hammerstein model. Furthermore, the linear dynamic block is of any order and can be nonparametric. The problem identification method is done within two stages. In the first stage, the system nonlinearity is identified using simple input signals. In the first stage, the linear dynamic block parameters are estimated using periodic signals. The
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Tianhong Yan and Rongming Lin. "Experimental modeling and compensation of pivot nonlinearity in hard disk drives." IEEE Transactions on Magnetics 39, no. 2 (2003): 1064–69. http://dx.doi.org/10.1109/tmag.2003.808601.

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Benyassi, Mohamed, Adil Brouri, and Smail Slassi. "Nonlinear systems identification with discontinuous nonlinearity." IAES International Journal of Robotics and Automation (IJRA) 9, no. 1 (2020): 34–41. https://doi.org/10.11591/ijra.v9i1.pp34-41.

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In this paper, nonparametric nonlinear systems identification is proposed. The considered system nonlinearity is nonparametric and is of hard type. This latter can be discontinuous and noninvertible. The entire nonlinear system is structured by Hammerstein model. Furthermore, the linear dynamic block is of any order and can be nonparametric. The problem identification method is done within two stages. In the first stage, the system nonlinearity is identified using simple input signals. In the first stage, the linear dynamic block parameters are estimated using per
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Dissertations / Theses on the topic "Hard nonlinearity"

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Park, Jong-Suh. "The Prediction of Chatter Stability in Hard Turning." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/5235.

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Despite a large demand from industry, a realistic chatter modeling for hard turning has not been available due to the complexity of the problem, which is mainly caused by flank wear and nonlinearity in hard turning. This thesis attempts to develop chatter models for predicting chatter stability conditions in hard turning with the considerations of the effects of flank wear and nonlinearity. First, a linear model is developed by introducing non-uniform load distribution on a tool tip to account for the flank wear effect. Second, a nonlinear model is developed by further incorporating nonlineari
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Books on the topic "Hard nonlinearity"

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Rascaroli, Laura. Medium. Oxford University Press, 2017. http://dx.doi.org/10.1093/acprof:oso/9780190238247.003.0002.

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This chapter focuses on the tendency of the essay film to use hybrid materials, to be transmedial, and, indeed, to be nonhierarchical and nonsequential. In this way, it is an expression of the bid to reproduce the nonlinearity of thought and to testify to the crisis of rationality in post-Enlightenment modernity. Shot with special anamorphic lenses that distort and “liquefy” the image, Aleksandr Sokurov’s video Elegiya dorogi (Elegy of a Voyage, 2001), the case study of this chapter, is a hybrid, unstable, fluid text. Its instability and fluidity are so constitutive as to become the core of So
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Book chapters on the topic "Hard nonlinearity"

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Biswas, Debabrata, and Tanmoy Banerjee. "Chaotic Time-Delayed System with Hard Nonlinearity: Design and Characterization." In Time-Delayed Chaotic Dynamical Systems. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-70993-2_3.

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Mogilevich, Lev, and Sergey Ivanov. "Longitudinal Waves in Two Coaxial Elastic Shells with Hard Cubic Nonlinearity and Filled with a Viscous Incompressible Fluid." In Recent Research in Control Engineering and Decision Making. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-65283-8_2.

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Shi, Qian, Yichen Yao, and Suyuan Yu. "The Design of the Robust Controller for Active Magnetic Bearings on Active Disturbance Rejection Technology." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1023-6_99.

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AbstractActive magnetic bearings (AMBs) have advantages of no friction, no lubrication or sealing requirements, long lifespan, low maintenance cost, and, especially, active controllability of dynamic characteristics. Thus, AMBs are now widely used in helium-turbine circle of the high temperature gas-cooled reactor and many other high-speed rotating machinery. The design of controller is the core problem of AMBs. The AMB force has high nonlinearity and the AMBs-rotor system may be influenced by external disturbance during operation, which increase the threshold of the controller robustness and
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Bandle, Catherine, Vitaly Moroz, and Wolfgang Reichel. "Large Solutions to Semilinear Elliptic Equations with Hardy Potential and Exponential Nonlinearity." In Around the Research of Vladimir Maz'ya II. Springer New York, 2009. http://dx.doi.org/10.1007/978-1-4419-1343-2_1.

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Shadab, Mohd, MD Saqib Javed, Mohammad Sajid, Mukesh Prasad, Maria A. Lapina, and Mikhail Babenko. "Generating Highly Nonlinear S-Boxes Using a Hybrid Approach With Particle Swarm Optimization." In Advances in Computer and Electrical Engineering. IGI Global, 2024. https://doi.org/10.4018/979-8-3693-6834-3.ch001.

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A substitution box (S-box) is a fundamental component in cryptographic algorithms that enhance data security by providing a complex mapping between input and output values. S-box strengthens the encryption and decryption process by introducing nonlinearity and protecting the encrypted data against various differential and linear cryptanalytic attacks. The problem of generating an S-box with optimal properties is challenging and falls under the category of NP-Hard problems. This study proposes a hybrid approach combining the Particle Swarm optimization algorithm (PSO) and the Booster algorithm
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Rostami, Ali, and Hodjat Ahmadi. "Nonlinear Phononics and Coupled Mode Theory." In Phonons - Recent Advances, New Perspectives and Applications [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1005003.

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Understanding phononic wave propagation in nonlinear and coupled media is inevitable in designing devices to harness phonons. In photonics, the nonlinear Schrodinger equation (NSE) and coupled mode theory (CMT) are extensively used to manipulate the propagation of electromagnetic (EM) waves. Since phonons as the quasi-particles related to mechanical vibrations are similar to their photonic counterparts (photons), inspired by EM, the NSE and CMT are developed for elastic or phononic waves. In the first section, from the novel point of view, the nonlinearity is dealt with and consequently applie
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Heiser, Willem J., and Jacqueline J. Meulman. "Nonlinear Methods for the Analysis of Homogeneity and Heterogeneity." In Recent Advances In Descriptive Multivariate Analysis. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198522850.003.0004.

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Abstract Although nonlinear phenomena are ubiquitous in science and technology, the majority of methods for analysing statistical data is linear. Part of an answer to the puzzling question of how such a discrepancy could have come into existence would seem to be that first approximations are hard to beat. Statistics often enters the stage when the subject of study is badly understood, and then it is sensible to use linear approximation as a first try. If linear approximation does reasonably well, not infrequently after being aided by quite some effort on data cleaning and readjustment of resid
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Bertuglia, Cristoforo Sergio, and Franco Vaio. "Introduction." In Nonlinearity, Chaos, and Complexity. Oxford University PressOxford, 2005. http://dx.doi.org/10.1093/oso/9780198567905.003.0014.

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Abstract In Part 1 we looked at several examples of linear and nonlinear modelling in natural and social sciences. We also observed how nonlinear cases generally require much more sophisticated mathematical techniques, which still only enable us to obtain a partial description of the phenomena. In the linear case, on the other hand, we can obtain a complete description; if we have full knowledge of either the boundary conditions ( i.e. the coordinates at different times) or the initial values of the dynamics (i.e. the coordinates and their derivatives), the system’s future evolution is preorda
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Dixon, J. M., J. A. Tuszynski, and P. A. Clarkson. "Mathematical methods and results." In From Nonlinearity to Coherence. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198539728.003.0007.

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Abstract The significant problems we have cannot be solved at the same level of thinking with which we created them. In earlier chapters we have alluded frequently to the recent progress made in analysing nonlinear differential equations using both exact and approximate methods. This chapter is intended as a practical overview of the main developments in the field of nonlinear analysis. We have striven to make the exposition lucid, so that even an uninitiated reader can apply the methods presented to the physical problems at hand. Furthermore, many concrete examples have been provided, especia
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Dixon, J. M., J. A. Tuszynski, and P. A. Clarkson. "introductory concepts: a nonlinear analysis primer." In From Nonlinearity to Coherence. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198539728.003.0001.

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Abstract A very small cause which escapes us determines a considerable effect which we cannot fail to see, and then we say that the effect is due to chance. If we could know exactly the laws of nature and the situation of the universe at the initial instant, we could predict exactly the situation of that same universe at a subsequent moment. But even if the natural laws had no longer any secret for us, we would know the initial situation only approximately. If that enables us to predict the subsequent situation with the same approximation, that is all we require, we say that the phenomenon has
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Conference papers on the topic "Hard nonlinearity"

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Jiang, Yingjie, Du Tang, Ji Luo, Yu Chen, Bofang Zheng, and Yaojun Qiao. "Mitigation of Power Offset Induced by Hard-Decision-Error in Fiber Longitudinal Power Profile Estimation." In Optical Fiber Communication Conference. Optica Publishing Group, 2025. https://doi.org/10.1364/ofc.2025.w3e.6.

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We propose a fiber-nonlinearity distribution weighting-based scheme to mitigate the power offset induced by hard-decision (HD) error in least-square PPE. Experimental results demonstrate that the proposed method is as accurate as using transmitter-side (Tx) data.
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Hoff, Stefan, Federico Fonte, Keith Soal, Kees Kapteijn, and Oliver Schneider. "Whirl Flutter Testing of ATTILA Tiltrotor Testbed - Initial Results." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1117.

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This paper presents the preliminary results of the recent whirl flutter wind tunnel test campaign performed within the Advanced Testbed for TILtrotor Aeroelastics (ATTILA) project. The Froude-scale ATTILA testbed consists of a semi-span wing with powered tip-mounted proprotor reflecting the proprietary design of the Next Generation Civil TiltRotor (NGCTR). An overview of the ATTILA testbed, wind tunnel test procedures, team organisation and preliminary flutter results are presented. In line with pre-entry dynamic characterization tests, the wind-on test activities in the DNW Large Low-speed Fa
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Kubelik, Igor. "Nonlinearity and image distortion in electrographic continuous toning print." In Color Hard Copy and Graphic Arts. SPIE, 1992. http://dx.doi.org/10.1117/12.2322270.

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Brouri, Adil, Tarik Rabyi, and Abdelmalek Ouannou. "Identification of nonlinear systems with hard nonlinearity." In 2018 5th International Conference on Control, Decision and Information Technologies (CoDIT). IEEE, 2018. http://dx.doi.org/10.1109/codit.2018.8394834.

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Manthe, Alicia, Zhao Li, and C. J. Richard Shi. "Symbolic analysis of analog circuits with hard nonlinearity." In the 40th conference. ACM Press, 2003. http://dx.doi.org/10.1145/775832.775969.

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Izawa, Takashi, Takashi Sasaki, and Kazuhiro Hane. "Nonlinearity compensation of micro-mirror hard-spring by electrostatic combs." In 2017 19th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS). IEEE, 2017. http://dx.doi.org/10.1109/transducers.2017.7994460.

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Hredzak, Branislav, Fan Hong, S. S. Ge, Jingliang Zhang, and Zhimin He. "Modeling and Compensation of Pivot Nonlinearity in Hard Disk Drives." In 2007 IEEE International Conference on Control Applications. IEEE, 2007. http://dx.doi.org/10.1109/cca.2007.4389214.

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Gong, J. Q., Lin Guo, Ho Seong Lee, and Bin Yao. "Modeling and cancellation of pivot nonlinearity in hard disk drive." In Proceedings of 2002 American Control Conference. IEEE, 2002. http://dx.doi.org/10.1109/acc.2002.1024574.

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Hredzak, Branislav, Fan Hong, S. S. Ge, Jingliang Zhang, and Zhimin He. "Modeling and Compensation of Pivot Nonlinearity in Hard Disk Drives." In 2007 IEEE 22nd International Symposium on Intelligent Control. IEEE, 2007. http://dx.doi.org/10.1109/isic.2007.4359826.

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Hong, F., B. Hredzak, S. S. Ge, E. H. Ong, Z. He, and J. Zhang. "Adaptive neural network compensation of pivot nonlinearity in hard disk drives." In 2007 46th IEEE Conference on Decision and Control. IEEE, 2007. http://dx.doi.org/10.1109/cdc.2007.4434945.

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Reports on the topic "Hard nonlinearity"

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THE CONTINUOUS STRENGTH METHOD – REVIEW AND OUTLOOK. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/icass2020.p.k11.

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The Continuous Strength Method (CSM) is a deformation-based approach to the design of structures that enables a continuous, rational and accurate allowance for material nonlinearity. Central to the method is the application of strain limits to define the resistance of a structural member or system.The method can be applied to structures formed using different materials and manufacturing processes and can be used for steel-concrete composite design and in fire scenarios. The design method enables enhancements in structural efficiency and, unlike traditional approaches, allows the assessment of
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