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Erection of large equipment truck mounted mobile mechanical design and control of

Author: CaoFangFang
Tutor: FanYuanXun
School: Nanjing University of Technology and Engineering
Course: Mechanical Design and Theory
Keywords: Large mobile devices Erection System Optimization Dynamic simulation s
CLC: U415.522
Type: Master's thesis
Year: 2011
Downloads: 24
Quote: 0
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Abstract


Large equipment is mobile transportation, infrastructure and other industries areas essential to a heavy equipment, due to its larger size and quality , handling , erection is very difficult , which requires additional human and material resources, resource consumption and more efficient low. To solve this problem, we designed a simply and quickly complete equipment erection erection system , this system includes erection erection agencies and drive control system in two parts . In this paper, asphalt mixing equipment for the study, according to the characteristics of institutions and erection requirements of the system design requirements, select an appropriate set of erection system solutions . Each member of the set by the geometry mechanism , velocity , acceleration and force the analysis , the establishment of a lift coefficient and the cylinder stroke is the minimum objective function optimization design model , and determine the design variables and constraints , using genetic algorithm and Direct Search Method hybrid applications optimization method , the preparation of the corresponding optimization procedures, using MATLAB optimization toolbox software is optimized to obtain reasonable structural parameters and prepared using MATLAB GUI functionality in a graphical user interface , intuitive and quickly optimization process and results observed , the results show that optimization of the performance parameters set mechanism has been improved. According to the special requirements of erection mechanism designed hydraulic control system for the main hydraulic components selection, and the use of ADAMS / Hydraulics Hydraulic system software combined with the mechanical system simulation , dynamic simulation of the entire organization to verify the feasibility of the system , the final simulation results and the actual results obtained to verify the accuracy of the model . Research institutions throughout the optimization and system simulation is based on the core , the initial realization of the right to set up institutions and the optimal location of the hinge point to several important performance parameters of the simulation analysis, the design of similar products in the future provide a certain reference value and the theoretical basis , and to shorten the product development cycle also has a certain practical significance.

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CLC: > Transportation > Road transport > Road works > Road construction > Construction machinery and equipment > Road construction machinery > Mixer
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