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Nonlinear Approaches in Engineering Applications 2
Sign In Register Help Cart. Cart items. Toggle navigation. Search Results Results 1 -8 of 8. Jazar Editor , Liming Dai Editor. Springer, Nonlinear Approaches in Engineering Applications 2. Used - Like New. Ships from UK in 48 hours or less usually same day. We are a world class secondhand bookstore based in Hertfordshire, United Kingdom and specialize in high quality textbooks across an enormous variety of subjects.
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Nonlinear Approaches in Engineering Applications 2 Springer. Ships with Tracking Number! Due to memory and processing power limitations, the calibration technique should be memory efficient and of low computational complexity. This chapter investigates the hysteresis as a nonlinear effect in the electromechanical brakes, and describes a technique to parametrically model this effect.
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This technique is a simple and memory-efficient real-time calibration method in which a Maxwell-slip model is fitted to the data samples around each hysteresis cycle. Experimental results from the data recorded in various temperatures show that this technique results in clamp force measurements with less than 0. It is also shown that by using these measurements, the characteristic curve can be accurately calibrated in real time. Fluid flow around a bluff body is common in engineering applications, and the examples include flows past offshore structures, heat exchangers, power transmission lines etc.
In particular, the flow around circular cylinders is encountered frequently in engineering and has been investigated theoretically, experimentally, and numerically over the past decades. When the Reynolds number Re exceeds a critical value, the boundary layer will separate from the body and form an unsteady flow pattern.
Nonlinear Approaches in Engineering Applications 2
At a certain Re number, the flow pattern will become unstable, and a symmetry-breaking will occur. The ensuing lift, drag and flow-induced vibration will be changed dramatically, at a certain degree. In engineering, the unsteady flow pattern around the body have great influence on the aerodynamics performance, for example, the enhancement of lift of airfoil or blades in turbo-machinery, reduction of the drag, suppression of flow-induced vibration, reinforcement of heat transfer in heat-exchangers, etc.
In a sense, the flow around circular cylinders is a classical problem, since there exists a very rich variety of nonlinear phenomena in such infinite-dimensional or continuous dynamic system, despite the simple geometries involved. The vortex is the fundamental point in the aerodynamics performance, and hence flow control has attracted a great deal of interest in the past. In this chapter, nonlinear dynamics, including bifurcation and stability, are applied to the analysis of the complex nonlinear phenomena in the flows around a circular cylinder.
In particular, the pattern formation, flow separation, stability and bifurcation of the flow, and the drag reduction by perturbation etc. Additionally, the numerical approaches implemented in the analysis are also presented.
Thus, irrespective of whether the mass matrix of the actual unconstrained mechanical system is positive definite or positive semi-definite, a simple, unified fundamental equation results that give a closed-form representation of both the acceleration of the constrained mechanical system and the constraint force. The results herein provide deeper insights into the behavior of constrained motion and open up new approaches to modeling complex, constrained mechanical systems, such as those encountered in multi-body dynamics.
Several examples are provided. Truncated conical shell is an important structure that has been widely applied in many engineering fields. When the structure is in the rotation motion, the vibration and stability problems of the truncated conical shell appear. In this chapter, dynamic study of rotating truncated conical shell will be engaged. With employment of the Melnikov method, the Homoclinic bifurcation and subharmonic bifurcation of the dynamic system is studied. The parametric oscillation of the truncated conical shallow shell under various rotational speeds is investigated under the conditions that the truncated conical shallow shell is rotating around a single axle and excited by a transverse periodic load.
The detailed intercoupling characteristics of the high-order and low-order modals of the truncated conical shallow shell system are disclosed by utilizing the Harmonic Balance Method. The internal response properties of the system are investigated by using the Multiple Scale Method. The nonlinear dynamic stabilities of the system are also analyzed by using the Incrementation Harmonic Balance Method.
Object pose rotation and translation estimation problem arises in several domains of application. This chapter presents simplified nonlinear equations of motion for a quadrotor derived based on Newtonian mechanics before discussing and comparing the performance of two real-time image-based quadrotor pose estimation methods: one based on a commercial motion capture and tracking system utilizing six infrared IR cameras mounted around the test area aliased OptiTrack; the other based on classicPOSIT, an iterative pose estimation algorithm using a single image of a target object taken by an onboard camera.
The geometry of the target and intrinsic parameters of the camera are known a priori; the image coordinates of five noncoplanar feature points on the target are extracted through a real-time image processing algorithm for pose estimation. Test results prove that onboard camera pose estimation is an attractive solution for autonomous real-time control of a quadrotor unmanned aerial vehicle UAV. The problem of nonlinear identification and energy conservative control of balance in a monopod is addressed in this chapter.
A monopod is emulated using a concave balancing mechanism, referred to as the body, mounted on an inverted pendulum, referred to as the leg, via a hip joint. A nonlinear gray-box system identification routine is developed and implemented within MATLAB, to estimate certain immeasurable parameters that arise within the original system dynamics.
Nonlinear Approaches in Engineering Applications 2 | Reza N. Jazar | Springer
At this configuration, the magnitude of the transfer function zeros become much larger in comparison with that of the largest pole and, therefore, has a negligible contribution to the phase characteristics of the system. A nonlinear controller based on Feedback Linearization is also designed and implemented to take advantage of one benefit of this proposed design. The performance of the nonlinear controller is also compared against that of the LQ Regulator. Analysis and documentation of the power savings from the proposed design, in relation to existing prototypes, is a subject of further works.
Furthermore, the performance of the developed controllers can be further improved via careful tuning to meet more stringent control objectives. The nonlinearities in human body dynamics is discussed by focusing on the intrinsic passive and reflexive active dynamics of head—neck complex HNC.
An experiment is first designed to measure the passive responses of HNC to horizontal fore-and-after vibration. The intrinsic frequency response function between the HNC angular velocity and the trunk horizontal acceleration is obtained in the frequency range of 0. It is shown that nonlinear distortions of the human intrinsic responses to the vibration can be characterized by using frequency domain identification method if the excitation is a non-predictive random.
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The physical dynamic parameters of human HNC are then obtained and discussed. A second experiment is designed to measure the reflexive dynamics of the head in response to the vibration. The reflexive dynamics of the HNC is also modeled and characterized by using frequency domain identification method. The results suggest that the role of human sensory systems, visual, vestibular, and proprioceptive sensors, can be modeled by adding linear control elements to the passive HNC model. It is shown that the passive and active dynamics of the HNC can be characterized by utilizing the experiment and analysis for frequency domain.
The topics that have been selected are of great interest in the fields of engineering and physics and this book is designed to appeal to engineers and researchers working in a broad range of practical topics and approaches. Provides updated principles and applications of the nonlinear approaches in solving engineering and physics problems.
Demonstrates how nonlinear approaches may open avenues to better, safer, cheaper systems with less energy consumption. Has a strong emphasis on the application, physical meaning, and methodologies of nonlinear approaches in different engineering and science problems. Skip to main content Skip to table of contents. Advertisement Hide. Nonlinear Approaches in Engineering Applications 2. Editors view affiliations Reza N. Front Matter Pages i-xii. Front Matter Pages Smart Flat Ride Tuning.
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