水下控制模块液压系统设计及长软管对系统影响分析
发布时间：2019-01-01 16:16
【摘要】：随着社会的不断进步与发展,人们对资源的需求越来越大,能源问题日益严重,传统陆上能源已经不能满足社会发展所带来的巨大需求,人类的步伐从陆地逐步迈向了海洋。但是我国在海洋工程领域的相关技术跟国外发达国家还有较大的差距,水下控制模块及其液压系统相关技术的研究还比较落后。因此论文对水下控制模块的液压系统进行了设计,重点研究了长软管对液压系统响应的影响,对其建立了数学模型,主要对长软管的液阻、液容与液感进行了理论推导和分析,并进行了多种工况下的仿真研究。论文是在对水下控制模块及其液压系统等深入调研的基础上,明确了水下控制模块液压系统的组成及其工作原理,针对水下控制模块的设计指标和性能要求以及其工作环境,提出水下控制模块液压系统的总体方案、液压动力源的方案以及阀的集成方案。在水下控制模块液压系统总体方案的基础上进行了详细的设计计算,主要包括对高低压系统回路进行了各段管径和压力损失的计算以及液压源的液压泵和电机等相关的设计计算。同时进行了主要元件的选型包括电液换向阀、液压泵、电机、水下蓄能器等,还进行了液压阀块的设计和强度校核。重点研究分析了水下控制模块液压系统长软管对阀执行器的动态响应造成的影响,应用相似系统原理对液压系统长软管进行数学建模,主要对长软管的液阻、液容与液感进行了理论推导和分析,以此来研究长软管液阻特性。应用AMESim软件对水下控制模块液压系统进行仿真分析,包括液压动力源、阀执行器及液压长软管的建模,高压系统和低压系统在不同的工况下的仿真研究,重点分析液压系统在相继驱动多个执行器的工况的情况下相互干涉问题,同时进行了不同管径情况下蓄能器的充压过程仿真以及不同长度的液压软管对执行器响应造成的影响仿真分析。我国在水下控制模块及其液压系统相关技术方面的研究与发达国家还有一定的差距。因此论文对水下控制模块液压系统的研究具有重要意义,为后续研究工作提供了参考及可借鉴的经验。
[Abstract]:With the continuous progress and development of society, the demand for resources is increasing, the energy problem is becoming more and more serious, the traditional land-based energy can not meet the huge demand brought by the social development, and the pace of human beings has gradually moved from the land to the sea. However, there is still a big gap between China and the developed countries in the field of ocean engineering, and the research of underwater control module and its hydraulic system is still relatively backward. In this paper, the hydraulic system of underwater control module is designed, and the influence of long hose on the response of hydraulic system is studied, and the mathematical model is established. The theoretical derivation and analysis of liquid resistance, liquid volume and liquid sense of long hose are carried out. And the simulation research is carried out under various working conditions. Based on the deep investigation of the underwater control module and its hydraulic system, this paper clarifies the composition and working principle of the underwater control module hydraulic system, aiming at the design index, performance requirement and working environment of the underwater control module. The overall scheme of hydraulic system of underwater control module, the scheme of hydraulic power source and the integrated scheme of valve are put forward. On the basis of the overall scheme of hydraulic system of underwater control module, the detailed design and calculation are carried out. This paper mainly includes the calculation of pipe diameter and pressure loss of high and low pressure system loop and the design calculation of hydraulic pump and motor of hydraulic source. At the same time, the selection of main components includes electro-hydraulic directional valve, hydraulic pump, motor, underwater accumulator and so on. The design and strength check of hydraulic valve block are also carried out. The influence of the long hose of the hydraulic system on the dynamic response of the valve actuator is mainly studied and analyzed. The mathematical model of the long hose of the hydraulic system is established by using the principle of similar system, and the hydraulic resistance of the long hose is mainly studied. The liquid volume and inductance are theoretically deduced and analyzed to study the hydraulic resistance of long hose. The hydraulic system of underwater control module is simulated and analyzed by AMESim software, including the modeling of hydraulic power source, valve actuator and long hydraulic hose, and the simulation research of high pressure system and low pressure system under different working conditions. Emphasis is placed on the analysis of the interference between hydraulic systems under the condition of multiple actuators being driven one after another. At the same time, the simulation of the charging process of the accumulator under different pipe diameter and the simulation analysis of the effect of hydraulic hose of different length on the actuator response are carried out. There is still a gap between China and developed countries in the research of underwater control module and its hydraulic system. Therefore, this paper is of great significance to the research of hydraulic system of underwater control module, and provides reference and experience for further research work.
【学位授予单位】：哈尔滨工程大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TH137;TE97
本文编号：2397802
[Abstract]:With the continuous progress and development of society, the demand for resources is increasing, the energy problem is becoming more and more serious, the traditional land-based energy can not meet the huge demand brought by the social development, and the pace of human beings has gradually moved from the land to the sea. However, there is still a big gap between China and the developed countries in the field of ocean engineering, and the research of underwater control module and its hydraulic system is still relatively backward. In this paper, the hydraulic system of underwater control module is designed, and the influence of long hose on the response of hydraulic system is studied, and the mathematical model is established. The theoretical derivation and analysis of liquid resistance, liquid volume and liquid sense of long hose are carried out. And the simulation research is carried out under various working conditions. Based on the deep investigation of the underwater control module and its hydraulic system, this paper clarifies the composition and working principle of the underwater control module hydraulic system, aiming at the design index, performance requirement and working environment of the underwater control module. The overall scheme of hydraulic system of underwater control module, the scheme of hydraulic power source and the integrated scheme of valve are put forward. On the basis of the overall scheme of hydraulic system of underwater control module, the detailed design and calculation are carried out. This paper mainly includes the calculation of pipe diameter and pressure loss of high and low pressure system loop and the design calculation of hydraulic pump and motor of hydraulic source. At the same time, the selection of main components includes electro-hydraulic directional valve, hydraulic pump, motor, underwater accumulator and so on. The design and strength check of hydraulic valve block are also carried out. The influence of the long hose of the hydraulic system on the dynamic response of the valve actuator is mainly studied and analyzed. The mathematical model of the long hose of the hydraulic system is established by using the principle of similar system, and the hydraulic resistance of the long hose is mainly studied. The liquid volume and inductance are theoretically deduced and analyzed to study the hydraulic resistance of long hose. The hydraulic system of underwater control module is simulated and analyzed by AMESim software, including the modeling of hydraulic power source, valve actuator and long hydraulic hose, and the simulation research of high pressure system and low pressure system under different working conditions. Emphasis is placed on the analysis of the interference between hydraulic systems under the condition of multiple actuators being driven one after another. At the same time, the simulation of the charging process of the accumulator under different pipe diameter and the simulation analysis of the effect of hydraulic hose of different length on the actuator response are carried out. There is still a gap between China and developed countries in the research of underwater control module and its hydraulic system. Therefore, this paper is of great significance to the research of hydraulic system of underwater control module, and provides reference and experience for further research work.
【学位授予单位】：哈尔滨工程大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TH137;TE97
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