2008
DOI: 10.1007/s11071-008-9431-6
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Nonlinear response of a flexible Cartesian manipulator with payload and pulsating axial force

Abstract: In this present work, the nonlinear response of a single-link flexible Cartesian manipulator with payload subjected to a pulsating axial load is determined. The nonlinear temporal equation of motion is derived using D'Alembert's principle and generalised Galerkin's method. Due to large transverse deflection of the manipulator, the equation of motion contains cubic geometric and inertial types of nonlinearities along with linear and nonlinear parametric and forced excitation terms. Method of normal forms is use… Show more

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Cited by 12 publications
(4 citation statements)
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“…By solving (23), the value of can be obtained, and, according to the relationship 4 = ( / ) 2 , the natural frequency of the flexible CRA can be expressed as Figures 3 and 4 show the influences of the tensional restraint stiffness ( ) and the torsional restraint stiffness ( ) on the mode frequencies. It should be noted that, for the ideal fixed restraint, the natural frequencies of the flexible manipulator can be calculated as 2.448 Hz, 15.339 Hz, and 42.950 Hz.…”
Section: Mode and Sensitivity Analysismentioning
confidence: 99%
See 1 more Smart Citation
“…By solving (23), the value of can be obtained, and, according to the relationship 4 = ( / ) 2 , the natural frequency of the flexible CRA can be expressed as Figures 3 and 4 show the influences of the tensional restraint stiffness ( ) and the torsional restraint stiffness ( ) on the mode frequencies. It should be noted that, for the ideal fixed restraint, the natural frequencies of the flexible manipulator can be calculated as 2.448 Hz, 15.339 Hz, and 42.950 Hz.…”
Section: Mode and Sensitivity Analysismentioning
confidence: 99%
“…Feng and Hu [20] and Li and Zhang [21] studied the principal parametric and internal resonances of flexible beams and plates. For the driving base suffering harmonic excitations, Pratiher and Dwivedy [22][23][24] investigated the nonlinear vibrations of lateral moving CRAs, and in their investigations, however, the motion velocities or motion accelerations of the driving base are assumed as constant neglecting the influence of the motion disturbances; on the other hand, the restraint of the connecting interface is regarded as absolutely rigid and ignores the joint elasticity.…”
Section: Introductionmentioning
confidence: 99%
“…1. An appropriate nonlinear PDEs with time-varying coefficients is established by using D'Alembert's principle incorporated with the moment balance method [21], [24]- [27]. The approximate solution is then obtained by using a single-mode discretization via the Galerkin's method with those obtained by directly applying the method of multiple scales.…”
Section: Introductionmentioning
confidence: 99%
“…As for the beams receiving axial excitation, a cantilever beam submitted to a harmonic force through its base and to a pulsating axial force through its tip, and carrying a payload at its tip, has been studied in [11].…”
mentioning
confidence: 99%