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Content available Vibration absorber optimization for boom-sprayer
EN
The main task of this work is to analyze optimal design-system of the booms of boom-sprayers. The discrete-continue models of machines dynamics of such wheeled machines as boom-sprayer with elongated boom element with the attachment of dynamic vibration absorbers are offered. The algorithms for vibration decreasing of boom are received. The new vibroabsorbing elements are proposed. The paper contemplates the provision of dynamic vibration absorbers (DVA) of buffered impact masses and particle type. Such originally designed absorbers reduce vibration selectively in maximum vibration mode, without introducing vibration in other modes. The damping results from the exchange of momentum during impacts among the masses and masses and stops as the structure vibrates. A technique is developed to give the optimal DVA’s as single degree of freedom (SDOF) buffered system. The one-digit values are established not only for the dynamic vibration absorber parameters, but also for mechanical parameter of base structure – boom in connection points of the dynamic vibration absorbers. Finally, present research develops the genetic algorithms for optimal design searching by discrete-continuum DVA’s system – base system modeling.
2
Content available remote Application of complex methods for optimum designing mobile vehicles
EN
The main task of this work is to analyze CAD-system for the bearing systems of mobile wheeled machines and develop new CAD-component. The algorithm and program packages for construction of variety of cars with mounted and trailing equipment should be analyzed and developed on the basis of modern numerical methods of dynamics of continual-discrete systems. The calculation procedure of machine dynamics, resting on the synthesis of block-variational, modal and adaptive schemes, should be applied. The optimal designs were obtained for the boom suspension of boom sprayer with increased stabilizing and vibroprotecting properties.
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