GOALI: Software Enabled Variable Displacment Hydraulic Pumps
GOALI:软件驱动的可变排量液压泵
基本信息
- 批准号:0409832
- 负责人:
- 金额:$ 33.78万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2004
- 资助国家:美国
- 起止时间:2004-09-01 至 2008-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Software Enabled Variable Displacement PumpsPerry Y. Li and Tom ChaseUniversity of MinnesotaHydraulics that plays an important role in many industry sectors. The distinct advantage of hydraulics is its ability to deliver high forces, higher power in small packages. As the industry matures, new ways to exploit these advantages must be developed to remain competitive.In this project, a mechatronics approach is proposed to redesign variable displacement pumps. Current variable displacement pumps are relatively large and their dynamic responses are low. Compact and high performance variable displacement pumps can significantly improve energy efficiency and address new applications. By combining a compact fixed displacement pump with a high speed pulse width modulated (PWM) on/off valve, a highly controllable, compact variable displacement pump capable of achieving many new software enabled feature will be possible. These features can be used to improve many aspects of system efficiency and performance. In this research, two key obstacles will be addressed. 1) A high speed on/off PWM valve will be developed; 2) A modeling and control design framework for PWM controlled systems will be developed. In addition, various software enabled features will be demonstrated experimentally.This project will improve the power and force density of hydraulic pumps, and the energy efficiency of the use of hydraulics in general. By making available hydraulic power supplies that are compact, it will be possible to capture new markets and to inspire new applications, such as hydraulic personal robots, rescue tools, hydraulic power trains, etc. The proposed idea can be readily extended to the design of variable displacement motors, and variable hydraulic transformers. The high flow high speed PWM on/off valve that will be developed in this research will also be useful for many other hydraulic control applications. A rigorous theoretical framework will also be developed for the modeling and design of finite frequency PWM controlled systems. Advances in this area will impact many areas of motion control since PWM is widely used, but yet, rigorous understanding is still lacking. The results of this research will impact the curricula of various controls and fluid power courses. The graduate students will participate in interdisciplinary research, with close interaction with industry through regular consultation and summer internship. Undergraduate students will be involved in this research through participation in experiments and design projects. Through regular meetings, this project will foster strong relationships between the local fluid power industry and the university. In addition, exchanges with a local power electronics research group will also be established.
软件驱动变量泵Perry Y.李和汤姆·蔡斯是明尼苏达大学的一名液压工程师,在许多工业领域发挥着重要作用。液压系统的显著优势在于其能够在小包装中提供高作用力和更高功率。随着行业的成熟,必须开发新的方法来利用这些优势,以保持竞争力。在这个项目中,机电一体化的方法被提出来重新设计变量泵。目前的可变排量泵相对较大,并且它们的动态响应较低。紧凑型高性能变量泵可以显著提高能源效率并满足新的应用需求。通过将紧凑型固定排量泵与高速脉宽调制(PWM)开/关阀相结合,能够实现许多新的软件启用特征的高度可控的紧凑型可变排量泵将是可能的。这些功能可用于提高系统效率和性能的许多方面。在这项研究中,将解决两个关键障碍。1)研究了高速开关型PWM阀的设计; 2)建立了PWM控制系统的建模和控制设计框架。此外,还将通过实验演示各种软件功能。该项目将提高液压泵的功率和力密度,以及一般液压系统的能源效率。通过提供紧凑的液压动力源,将有可能占领新市场并激发新的应用,例如液压个人机器人、救援工具、液压动力传动系等。所提出的想法可以很容易地扩展到设计可变排量马达和可变液压变压器。本研究所开发的大流量高速PWM开/关阀也将适用于许多其他液压控制应用。一个严格的理论框架也将开发有限频率PWM控制系统的建模和设计。这一领域的进步将影响运动控制的许多领域,因为PWM被广泛使用,但仍然缺乏严格的理解。这项研究的结果将影响各种控制和流体动力课程的课程。研究生将参与跨学科研究,通过定期咨询和暑期实习与行业密切互动。本科生将通过参与实验和设计项目参与这项研究。通过定期会议,该项目将促进当地流体动力行业和大学之间的牢固关系。此外,还将与当地电力电子研究小组建立交流。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Perry Li其他文献
Validation of a mathematical model of the effect of sole elasticity distribution on pronation
- DOI:
10.1016/0021-9290(92)90142-n - 发表时间:
1992-06-01 - 期刊:
- 影响因子:
- 作者:
Perry Li;Zvi Ladin - 通讯作者:
Zvi Ladin
Perry Li的其他文献
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{{ truncateString('Perry Li', 18)}}的其他基金
PFI-TT: Demonstration of a Liquid Piston Gas Compressor/Expander for Compressed Air Energy Storage and CO2 Sequestration
PFI-TT:用于压缩空气储能和二氧化碳封存的液体活塞气体压缩机/膨胀器的演示
- 批准号:
1827517 - 财政年份:2018
- 资助金额:
$ 33.78万 - 项目类别:
Standard Grant
GOALI/EFRI-RESTOR Novel Compressed Air Approach for Off Shore Wind Energy Storage
GOALI/EFRI-RESTOR 用于海上风能存储的新型压缩空气方法
- 批准号:
1038294 - 财政年份:2010
- 资助金额:
$ 33.78万 - 项目类别:
Standard Grant
Collaborative Research: Sensing and Control of Digital Color Xerographic Imaging Systems
合作研究:数字彩色静电成像系统的传感和控制
- 批准号:
0201622 - 财政年份:2002
- 资助金额:
$ 33.78万 - 项目类别:
Standard Grant
Instability and Passivity Concepts for Fast and Safe Electrohydraulic Systems
快速安全的电液系统的不稳定性和被动性概念
- 批准号:
0088964 - 财政年份:2000
- 资助金额:
$ 33.78万 - 项目类别:
Continuing Grant
Control of Moisture Content for Paper Manufacturing
造纸过程中水分含量的控制
- 批准号:
0085230 - 财政年份:2000
- 资助金额:
$ 33.78万 - 项目类别:
Continuing Grant
Passive Control of Mechanical Systems with Coordination Requirements
有协调要求的机械系统的被动控制
- 批准号:
9870013 - 财政年份:1998
- 资助金额:
$ 33.78万 - 项目类别:
Continuing Grant
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