Dynamics of systems operating in coupled motion environments
在耦合运动环境中运行的系统动力学
基本信息
- 批准号:RGPIN-2019-07104
- 负责人:
- 金额:$ 1.97万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2022
- 资助国家:加拿大
- 起止时间:2022-01-01 至 2023-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Many articulated dynamic systems operate in essentially-prescribed motion environments. This means that though the entire system is theoretically dynamically coupled, in many cases due to differences in energy and momentum, subsystems of interest can be considered to be influenced by the larger system but not to have significant impact upon it. Examples of such prescribed motion systems include an aircraft secured to a ship's flight deck, a shock-mitigating suspension seat used on high-speed marine craft (HSC), and a neonatal patient being transported in an emergency vehicle. In such examples, the effectively-prescribed motion of the larger system (ship/boat/ambulance) provides the primary dynamic excitation of the much lighter system. Other influences, such as aerodynamic loading and force coupling between subsystems, also can affect the system dynamics and can be influenced by the motion of the larger system. Investigation of this class of problem is the subject of the applicant's continuing NSERC-funded research programme. While initial projects focused primarily on shipboard systems, recent involvement with non-maritime systems has confirmed that significant opportunities exist to efficiently adapt what has been learned to other similar environments. As an example, there appear to be close parallels between previous work and the dynamics of neonate patient transfers in both air can ground ambulances. As a result, the current proposal is aimed at continuing or completing some previous work; but importantly also extending it to other applications where operation of dynamic systems in motion environments is essential but hazardous. The time-dependence and nonlinearity of forces acting on these systems render traditional static, quasi-static, and frequency-domain approaches inadequate for understanding the true nature of the dynamic interfaces. Rigorous analysis relies on the fusion of principles from multibody dynamics, vehicle dynamics, structural analysis, transient computer simulation, statistical analysis, and aerodynamics. This continuing research programme is developing and validating computational tools and applying them to improve understanding of these complex dynamic systems. Categories of systems considered are rigid-body, flexible-body, and human biodynamic systems. The approach will remain consistent with recent work and continue to involve theoretical, computational, and experimental components. The proposed research is intended to contribute to improving the safety and operability of people and equipment operating in motion environments. Through training of HQP, engagement with the end-users of the research, open publication of research outcomes, and involvement with far-reaching organizations such as the International Working Group on Human Performance at Sea, efforts will continue to be made to maximize the positive impact of this research and maintain Canadian leadership in the areas of investigation.
许多铰接式动态系统在基本规定的运动环境中操作。这意味着,虽然整个系统在理论上是动态耦合的,但在许多情况下,由于能量和动量的差异,感兴趣的子系统可以被认为受到较大系统的影响,但对它没有显著影响。这种规定的运动系统的例子包括固定在船舶飞行甲板上的飞机,用于高速船舶(HSC)的减震悬挂座椅,还有一名新生儿患者被紧急运送到医院在这样的例子中,较大系统(船/艇/救护车)的有效规定的运动提供了轻得多的系统的主要动态激励。其他影响,如气动载荷和子系统之间的力耦合,也会影响系统动力学,并可能受到较大系统运动的影响。这类问题的调查是申请人继续NSERC资助的研究计划的主题。虽然最初的项目主要侧重于船上系统,但最近参与非海事系统的活动证实,存在着大量机会,可以有效地将所学到的知识适用于其他类似环境。作为一个例子,似乎有密切的相似之处,以前的工作和动态的新生儿病人转移在空中可以地面救护车。因此,目前的建议是为了继续或完成一些以前的工作,但重要的是,还将其扩展到其他应用程序中的动态系统在运动环境中的操作是必不可少的,但危险。作用在这些系统上的力的时间依赖性和非线性使得传统的静态、准静态和频域方法不足以理解动态界面的真实性质。严格的分析依赖于多体动力学、车辆动力学、结构分析、瞬态计算机仿真、统计分析和空气动力学原理的融合。这个持续的研究方案正在开发和验证计算工具,并应用它们来提高对这些复杂动态系统的理解。考虑的系统类别是刚体,柔性体,和人体生物动力系统。该方法将与最近的工作保持一致,并继续涉及理论,计算和实验组件。拟议的研究旨在提高在运动环境中操作的人员和设备的安全性和可操作性。通过对人力资源质量顾问的培训、与研究最终用户的接触、公开发表研究成果以及与诸如国际海上人员绩效工作组等影响深远的组织的合作,将继续努力最大限度地发挥这项研究的积极影响,并保持加拿大在调查领域的领导地位。
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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Langlois, Robert其他文献
Hepatitis-C-virus-like internal ribosome entry sites displace eIF3 to gain access to the 40S subunit.
- DOI:
10.1038/nature12658 - 发表时间:
2013-11-28 - 期刊:
- 影响因子:64.8
- 作者:
Hashem, Yaser;des Georges, Amedee;Dhote, Vidya;Langlois, Robert;Liao, Hstau Y.;Grassucci, Robert A.;Pestova, Tatyana V.;Hellen, Christopher U. T.;Frank, Joachim - 通讯作者:
Frank, Joachim
Reference-free particle selection enhanced with semi-supervised machine learning for cryo-electron microscopy.
- DOI:
10.1016/j.jsb.2011.06.004 - 发表时间:
2011-09 - 期刊:
- 影响因子:3
- 作者:
Langlois, Robert;Pallesen, Jesper;Frank, Joachim - 通讯作者:
Frank, Joachim
Automated particle picking for low-contrast macromolecules in cryo-electron microscopy.
- DOI:
10.1016/j.jsb.2014.03.001 - 发表时间:
2014-04 - 期刊:
- 影响因子:3
- 作者:
Langlois, Robert;Pallesen, Jesper;Ash, Jordan T.;Ho, Danny Nam;Rubinstein, John L.;Frank, Joachim - 通讯作者:
Frank, Joachim
Langlois, Robert的其他文献
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{{ truncateString('Langlois, Robert', 18)}}的其他基金
Dynamics of systems operating in coupled motion environments
在耦合运动环境中运行的系统动力学
- 批准号:
RGPIN-2019-07104 - 财政年份:2021
- 资助金额:
$ 1.97万 - 项目类别:
Discovery Grants Program - Individual
To understand and mitigate infant patient vibration exposure during emergency ground and air transport
了解并减轻紧急地面和空中运输期间婴儿患者的振动暴露
- 批准号:
549669-2020 - 财政年份:2020
- 资助金额:
$ 1.97万 - 项目类别:
Collaborative Health Research Projects
Dynamics of systems operating in coupled motion environments
在耦合运动环境中运行的系统动力学
- 批准号:
RGPIN-2019-07104 - 财政年份:2020
- 资助金额:
$ 1.97万 - 项目类别:
Discovery Grants Program - Individual
Dynamics of systems operating in coupled motion environments
在耦合运动环境中运行的系统动力学
- 批准号:
RGPIN-2019-07104 - 财政年份:2019
- 资助金额:
$ 1.97万 - 项目类别:
Discovery Grants Program - Individual
Dynamics of Systems Operating in Motion Environments
运动环境中运行的系统动力学
- 批准号:
250016-2013 - 财政年份:2018
- 资助金额:
$ 1.97万 - 项目类别:
Discovery Grants Program - Individual
Dynamics of Systems Operating in Motion Environments
运动环境中运行的系统动力学
- 批准号:
250016-2013 - 财政年份:2015
- 资助金额:
$ 1.97万 - 项目类别:
Discovery Grants Program - Individual
Dynamics of Systems Operating in Motion Environments
运动环境中运行的系统动力学
- 批准号:
250016-2013 - 财政年份:2014
- 资助金额:
$ 1.97万 - 项目类别:
Discovery Grants Program - Individual
Dynamics of Systems Operating in Motion Environments
运动环境中运行的系统动力学
- 批准号:
250016-2013 - 财政年份:2013
- 资助金额:
$ 1.97万 - 项目类别:
Discovery Grants Program - Individual
Dynamics of Systems Operating in Motion Environments
运动环境中运行的系统动力学
- 批准号:
250016-2012 - 财政年份:2012
- 资助金额:
$ 1.97万 - 项目类别:
Discovery Grants Program - Individual
Dynamic interface analysis
动态界面分析
- 批准号:
250016-2007 - 财政年份:2011
- 资助金额:
$ 1.97万 - 项目类别:
Discovery Grants Program - Individual
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