Modelica-language-based simulation modeling method for hydraulic hoisting mechanism
A lifting mechanism, simulation modeling technology, applied in special data processing applications, instruments, electrical digital data processing and other directions, can solve the problem of not being able to visually and intuitively represent the excavator system, complex model construction, and difficult for users to use and learn. and other problems, to achieve the effect of reducing the number of loop designs and experiments, improving modeling efficiency, and powerful mathematical solution capabilities.
Inactive Publication Date: 2012-04-04
黄天驰
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However, the model is controlled through a series of motion equations, and the model construction is too complicated to represent the excavator system visually and intuitively, which is difficult for users to use and learn
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[0022] Below in conjunction with accompanying drawing, the present invention will be further described as follows:
[0023] The simulation modeling steps of the hydraulic lifting mechanism based on the Modelica language of the present invention include: system dismantling, component modeling and system level modeling. According to the principle of modular decomposition and object-oriented simulation method, the hydraulic lifting system was firstly disassembled in the process of constructing the model, and decomposed according to the functions of each part of the real physical system, first decomposed into mechanical system and hydraulic system.
[0024] The mechanical system module consists of drums, wire ropes, pulley blocks and hooks. The hydraulic system module provides the power for the movement of the hydraulic lifting mechanism. The hydraulic system is the most important part in construction machinery. The hydraulic system determines the maximum lifting height and transm...
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The invention relates to the technical field of hydraulic hoisting mechanism simulation systems, in particular to a Modelica-language-based simulation modeling method for a hydraulic hoisting mechanism. The method comprises the following steps of: 1) system disassembling; 2) component modeling; 3) modeling simulation control at system level; 4) simulation control; and 5) curve demonstration of a simulation result. In the invention, the interior complicated process of the hoisting mechanism system is subjected to simulation analysis according to characteristics of object orientation and adaptability to a complex system and multi-field modeling of the Medelica language, the data support is provided for design by computer simulation, a multi-discipline and multi-level simulation model is integrated, the interaction and the interrelationship of the components and the overall performance of a complex pumper are researched at different angles and on details, so circular design frequency and experiment frequency are reduced and support is provided for the improvement on the system and component structure.
Description
[technical field] [0001] The invention relates to the field of hydraulic hoisting mechanism simulation systems, in particular to a hydraulic hoisting mechanism simulation modeling method based on Modelica language. [Background technique] [0002] The hydraulic lifting mechanism is one of the main working devices of truck cranes and crawler cranes. It is used to realize the vertical displacement of heavy objects. It is usually composed of hydraulic motors, brake reducers, reels, wire ropes, pulley blocks, hooks and other components. . Therefore, it is a very complex engineering equipment integrated with multiple systems, disciplines, and domains. There are very complex interactions and couplings between mechanisms and subsystems in different disciplines such as mechanics, hydraulics, and control. [0003] After searching the literature of the existing technology, it was found that in the article "Simulation Research on the Lifting Process of the Crane Hydraulic Lifting Mecha...
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Inventor 明媚孟光荆建平李明仲作阳
Owner 黄天驰