Self-excited vibration and limit cycle
Internal Vibration and Synchronization of Four Coupled Self Excited Elastic Beams
... the vibration behavior along the length of a single beam and the synchronization among internal points of four coupled self-excited elastic beams are numerically ...
13
Non-smooth Dynamic Behaviour of Friction-induced Self-excited Vibration
... cause self-excited vibration of a system, which is known as friction-induced ...Friction-induced vibration can potentially cause problems like wear, fatigue failure, and noise, among which ...
216
Freeplay-induced limit cycle oscillation mitigation using linear and nonlinear tuned vibration absorbers
... aeroelastic limit cycle oscillations at airspeeds lower than the linear flutter speed of the ...tuned vibration absorbers to increase the flutter speed of linear and continuously hardening ...
18
A Self-Organizing Map Architecture for Arm Reaching Based on Limit Cycle Attractors
... a limit cycle representation [8, ...a limit cycle attractor. The limit cycles are learned through self-organization rather than manually ...using limit cycles is increased ...
8
On the nonlinear dynamics of self-sustained limit-cycle oscillations in a flapping-foil energy harvester
... on the onset of flutter and on the limit-cycle response characteristics is in- vestigated in this research. This is done by defining a baseline case and examining the effects of varying aerodynamic ...
38
Numerical Investigation of Self-Sustained Limit-Cycle Oscillations in a Flapping-Foil Energy Harvester
... After it reaches its peak value at an intermediate reduced velocity which designs of energy harvesters may take advantage of, it starts to decrease with the increasing reduced velocity. Leading-edge vortex shedding and ...
18
A transient dynamic study of the self-excited vibration of a railway wheel set-track system induced by saturated creep forces
... the vibration accelerations of the low and the high rails is shown in ...of vibration accelerations on the low rail surface is obviously greater than that on the high rail ...the self-excited ...
30
Optimization of Damping in Self-Excited Mechanical Systems
... 1.2.1 Brake squeal Brake systems of vehicles are prone to various noise and vibration phenomena, an unpleasant example of which is referred to as brake squeal. Comprehen- sive descriptions of fundamental ...
156
Performance of Tuned Mass Dampers in Vibration Response Control of Base-Excited Structures
... As it is shown, usage of PTMD leads to 22.1% and 10% reduction in top-story maximum displacement; however, ATMD decreases the maximum displacement response, 79.7% and 72.1% under Northridge and El-Centro records, ...
8
Numerical Analysis on the Oscillator of External Stimulation and Self Excited
... R, the ratio of the suspension time of main jet to the cycle time, denotes the cycle proportion of wall-attached jet switching time. The wall-attached main jet switching process is under the boost and ...
6
Self-Excited Aerodynamic Unsteadiness Associated with Passenger Cars
... Chapter Two - Experimental Techniques 2.2.4 Five-Hole Pressure Probes The head of a typical five-hole probe is shown in figure 2.2.3. Pneumatic probes such as five-hole probes use the differential pressure between the ...
475
Life-cycle cost-based design of wind excited tall buildings
... to limit the computational eort required by a life-cycle cost approach while still preserving adequate estimation accuracy, the structural analysis is carried out in the frequency domain by assuming that ...
158
EXPERIMENTAL DESIGN OF CAPACITANCE REQUIRED FOR SELF EXCITED INDUCTION GENERATOR
... Unfortunately, both coal and nuclear energy present serious environmental hazards. In recent times, there has been a considerable upsurge in exploring new ways to supply energy from renewable energy sources. Wind energy ...
8
EXPERIMENTAL DESIGN OF CAPACITANCE REQUIRED FOR SELF EXCITED INDUCTION GENERATOR
... Furthermore, the general nature of COSO does not address the complexity and special risks inherent in IT (Colbert and Bowen, 1996). Organizations and auditors in computerized environments are adopting specialized ...
10
EXPERIMENTAL DESIGN OF CAPACITANCE REQUIRED FOR SELF EXCITED INDUCTION GENERATOR
... serious vibration and shock, dust pollution as well as electromagnetic interference, so the electrical system is very likely to go wrong while compared with other systems, for example working attachment, under ...
5
EXPERIMENTAL DESIGN OF CAPACITANCE REQUIRED FOR SELF EXCITED INDUCTION GENERATOR
... bearing vibration signals and 1/f processes signals, the principles based on wavelet-fractal analysis for gearbox fault diagnosis are ...on vibration signals gathered by accelerometer from gearbox to ...
5
Theoretical and Laboratory Experimental Studies of Vehicle-Excited Bridge Vibration
... the vibration of a bridge subjected to one or a number of vehicles when the mass ratio of every vehicle to the bridge is small (Frýba, 1999; Yang and Lin, ...the vibration of a continuous beam passed by ...
185
Self-Excited Threshold Poisson Autoregression
... to be non-Poissonian. It also displays strong positive serial dependence, as can be seen in Figure 1 . The series has been studied with hidden Markov models with discrete states by Zucchini and MacDonald ( 2009 ). Here ...
52
Analysis of Self Excited Capacitances for Self Excited Induction Generator for Different Operating Conditions Using Fuzzy Systems
... ASTRACT:- Self-excited induction machine seem to be the most suitable generators for wind energy conversion in remote and windy ...phase self excited induction generator feeding balanced unity ...
8
Inerter-based vibration suppression systems for laterally and base-excited structures
... First, they were subjected to impulse ground excitation which offers a basic understanding of the frequency response of each structure. Then, an earthquake recording is used in order to evaluate the structure’s ...
7