Shape Adaptive Modular Reconfigurable Systems
形状自适应模块化可重构系统
基本信息
- 批准号:RGPIN-2015-06785
- 负责人:
- 金额:$ 2.11万
- 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:2019
- 资助国家:加拿大
- 起止时间:2019-01-01 至 2020-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The objective of this research is to develop a module-based method for design, analysis and motion planning of a shape adaptive modular reconfigurable system (SAMRS) that is designed to satisfy the overall shape change of an entire system, for example, aircraft morphing wings. Our proposed SAMRS is based on the principle of variable geometry truss mechanism (VGTM) that changes the system shape and geometry by varying the lengths of structural members. In order to reduce the number of actuators yet still meeting the requirement of motion and stiffness, the idea of under-actuated parallel mechanism is applied to combine with the concept of over-constrained parallel mechanism. Each module of our SAMRS is composed of actuated members and lockable passive members, called variable lockable truss (VLT). Our VLT module is developed as a holonomic system whose motion is determinate and undergoes topological reconfiguration between isostatic and hyperstatic. As a result, for a given set of shape changes, all the truss member lengths can be pre-determined through solving the over-constrained systems corresponding to different passive members under locking. The actual shape change is realized through several steps, called actuation sequence, by switching locking/unlocking among all passive members. Based on the idea of VLT, this research program is put forward to develop a 3D SAMRS comprising three pillars. The design pillar includes three elements. The system decomposition element is to develop a method to find the number of modules, through discretization and consolidation, needed for a given set of shapes required to change. The module design element is focused on the development of 3D VLT modules with enumeration methods. The system design element is for system formation and a search method will be developed to find a SAMRS with a minimal number of actuators yet meeting system mobility and rigidity. The analysis pillar also includes three elements. The kinetostatic analysis element is to develop new methods that will be able to model the changeable constraints resulting from lockable passive members and carry out motion and static force analysis. The dynamic analysis element is to formulate module and system dynamic equations and carry out studies in respect to inertia. The vibration analysis element is to derive module and system vibration equations and address the problem of structural vibrations. The third pillar is motion planning and consists in three elements. The first element is sequence enumeration to develop a new enumeration method for the determination of all possible actuation sequences. The second element is sequence selection to develop a selection algorithm based on physical constraints to generate a set of feasible actuation sequences. The last element is sequence optimization to apply an optimization method to find an optimal solution from a set of feasible actuation sequences. **
本研究的目的是开发一种基于模块的方法的设计,分析和运动规划的形状自适应模块化可重构系统(SAMRS),旨在满足整个系统的整体形状变化,例如,飞机变形机翼。我们提出的SAMRS是基于可变几何桁架机构(VGTM)的原则,通过改变结构构件的长度来改变系统的形状和几何形状。为了在满足运动和刚度要求的前提下减少驱动器数目,将欠驱动并联机构的思想与过约束并联机构的概念联合收割机相结合。我们的SAMRS的每个模块是由致动构件和可锁定的被动构件,称为可变锁定桁架(VLT)。我们的VLT模块开发作为一个完整的系统,其运动是确定的,并经历拓扑重构之间的均衡和超静定。因此,对于给定的一组形状变化,所有的桁架杆件长度可以预先确定通过求解对应于不同的被动杆件锁定的过约束系统。通过在所有被动构件之间切换锁定/解锁,通过称为致动序列的几个步骤来实现实际的形状改变。基于VLT的思想,本研究提出了一种由三个支柱组成的三维SAMRS的研究方案。设计支柱包括三个要素。系统分解元素是开发一种方法来找到模块的数量,通过离散化和合并,需要一组给定的形状需要改变。模块设计元素的重点是三维VLT模块的枚举方法的发展。系统设计元素是系统的形成和搜索方法将被开发,以找到一个SAMRS与最少数量的致动器,但满足系统的流动性和刚性。分析支柱还包括三个要素。动态静力分析单元是开发新的方法,该方法将能够对可锁定的被动构件产生的可变约束进行建模,并进行运动和静力分析。 动力学分析部分是建立模块和系统动力学方程,并进行惯性方面的研究。振动分析单元推导模块和系统振动方程,并解决结构振动问题。第三个支柱是运动规划,包括三个要素。第一个要素是序列枚举,以开发用于确定所有可能的致动序列的新枚举方法。第二个要素是序列选择,以开发基于物理约束的选择算法,以生成一组可行的致动序列。最后一个要素是序列优化,以应用优化方法从一组可行的致动序列中找到最优解。**
项目成果
期刊论文数量(0)
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专利数量(0)
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2021-06-18 - 期刊:
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Xi, Fengfeng的其他文献
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{{ truncateString('Xi, Fengfeng', 18)}}的其他基金
Paneled Morphing Skins for A Full Shape Adaptive System
用于全形状自适应系统的镶板变形皮肤
- 批准号:
RGPIN-2020-04355 - 财政年份:2022
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
Paneled Morphing Skins for A Full Shape Adaptive System
用于全形状自适应系统的镶板变形皮肤
- 批准号:
RGPIN-2020-04355 - 财政年份:2021
- 资助金额:
$ 2.11万 - 项目类别:
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NSERC/Bombardier IRC in advanced interiors and systems
NSERC/庞巴迪 IRC 的先进内饰和系统
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544638-2018 - 财政年份:2021
- 资助金额:
$ 2.11万 - 项目类别:
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Covid-19:针对 Covid-19 的机器人消毒系统的开发
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550112-2020 - 财政年份:2020
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$ 2.11万 - 项目类别:
Alliance Grants
NSERC/Bombardier IRC in advanced interiors and systems
NSERC/庞巴迪 IRC 的先进内饰和系统
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544638-2018 - 财政年份:2020
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$ 2.11万 - 项目类别:
Industrial Research Chairs
Covid 19: An Aircraft Cabin Air Disinfection System for Covid-19
Covid 19:针对 Covid-19 的机舱空气消毒系统
- 批准号:
553525-2020 - 财政年份:2020
- 资助金额:
$ 2.11万 - 项目类别:
Alliance Grants
Paneled Morphing Skins for A Full Shape Adaptive System
用于全形状自适应系统的镶板变形皮肤
- 批准号:
RGPIN-2020-04355 - 财政年份:2020
- 资助金额:
$ 2.11万 - 项目类别:
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Development of a full-size morphing winglet with space and weight constraints
开发具有空间和重量限制的全尺寸变形小翼
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490715-2015 - 财政年份:2019
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$ 2.11万 - 项目类别:
Collaborative Research and Development Grants
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NSERC/庞巴迪 IRC 的先进内饰和系统
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544638-2018 - 财政年份:2019
- 资助金额:
$ 2.11万 - 项目类别:
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Shape Adaptive Modular Reconfigurable Systems
形状自适应模块化可重构系统
- 批准号:
RGPIN-2015-06785 - 财政年份:2018
- 资助金额:
$ 2.11万 - 项目类别:
Discovery Grants Program - Individual
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