Output feedback controllers for set stabilization
用于设定稳定的输出反馈控制器
基本信息
- 批准号:RGPIN-2019-05268
- 负责人:
- 金额:$ 2.84万
- 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
In many applications the appropriate control design specification is to stabilize a suitably defined subset of a system's state-space. This stands in contrast to conventional control design which concerns stabilizing equilibria. Applications where set stabilization is the appropriate specification include formation control of wheeled robots; control the walking motion of a bipedal robot; path following for a car, ship or airplane (make the position of the vehicle approach and follow a path); the creation of virtual constraints biomedical robots and the synchronization of coupled oscillators. This proposed research program studies stabilization of invariant sets in the state of nonlinear control systems in which only a measured output, not the entire state vector of the system, is available for feedback. The resulting control design methodology will be used to design path following controllers for robotic applications.***Previously, we used set stabilization to solve path following and synchronized path following problems for robotic applications including mobile robots, magnetic levitation systems and manipulators. In these applications the feedback controller had access to the full-state information of the robot. This is not realistic because often, owing to the cost of sensors and technological limitations, the feedback controller only has access to a measured output which does not contain the full state information. For instance, we have assumed that a GPS signal is available to mobile robots which is unrealistic in mining and underwater applications.***In this research we study three aspects of output stabilization of sets: (1) extend the technique we pioneered called transverse feedback linearization with partial information to multiple-input systems (2) employ recent advances in nonlinear state estimation in conjunction with the results from (1) to design stabilizing controllers and (3) design output feedback path following controllers and implement them on physical robots. In short, this research aims to produce systematic methods to design and implement output feedback control algorithms for set stabilization. We mathematically prove the correctness of the algorithms and demonstrate their utility in our state-of-the-art robotics research facility, the RoboHub, at the University of Waterloo.***This research will have applied and theoretical impact; theoretical impact lies in extending the necessary and sufficient conditions for measurable transverse feedback linearization to multiple-input systems. The practical impact lies in using this theory to develop path following controllers that only use a robot's onboard sensors. The HQP developed by this project will learn to design advanced nonlinear control algorithms while also implementing their designs on state-of-the-art robotic platforms. These skills are fundamental to enabling robotics technology and autonomous systems, areas where Canada has a competitive advantage and a burgeoning industry.
在许多应用中,适当的控制设计规范是稳定系统状态空间的适当定义的子集。这与关注稳定平衡的常规控制设计形成对比。设定稳定是适当规范的应用包括轮式机器人的编队控制;控制双足机器人的行走运动;汽车、船舶或飞机的路径跟踪(使车辆的位置接近并遵循路径);虚拟约束生物医学机器人的创建和耦合振荡器的同步。该研究计划研究了非线性控制系统状态不变集的稳定性,其中只有一个测量输出,而不是系统的整个状态向量,可用于反馈。由此产生的控制设计方法将用于设计机器人应用的路径跟踪控制器。*在此之前,我们使用集合稳定来解决路径跟踪和同步路径跟踪问题的机器人应用,包括移动的机器人,磁悬浮系统和机械手。在这些应用中,反馈控制器可以访问机器人的全部状态信息。这是不现实的,因为通常由于传感器的成本和技术限制,反馈控制器只能访问不包含完整状态信息的测量输出。例如,我们假设移动的机器人可以使用GPS信号,这在采矿和水下应用中是不现实的。在本研究中,我们研究了三个方面的输出稳定集:(1)扩展我们开创的技术称为横向反馈线性化与部分信息的多输入系统(2)采用非线性状态估计的最新进展结合的结果(1)设计稳定控制器和(3)设计输出反馈路径跟踪控制器,并实现它们的物理机器人。简而言之,本研究的目的是产生系统的方法来设计和实现输出反馈控制算法的设置稳定。我们在数学上证明了算法的正确性,并在滑铁卢大学最先进的机器人研究设施RoboHub中展示了它们的实用性。这项研究将有应用和理论上的影响,理论上的影响在于扩展的必要条件和充分条件可测的横向反馈线性化多输入系统。 实际的影响在于使用这个理论来开发路径跟踪控制器,只使用机器人的板载传感器。该项目开发的HQP将学习设计先进的非线性控制算法,同时在最先进的机器人平台上实现其设计。这些技能是实现机器人技术和自主系统的基础,加拿大在这些领域具有竞争优势和新兴产业。
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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Nielsen, Christopher其他文献
Follow-Up of Alcohol Septal Ablation for Symptomatic Hypertrophic Obstructive Cardiomyopathy The Baylor and Medical University of South Carolina Experience 1996 to 2007
- DOI:
10.1016/j.jcin.2008.07.005 - 发表时间:
2008-10-01 - 期刊:
- 影响因子:11.3
- 作者:
Fernandes, Valerian L.;Nielsen, Christopher;Spencer, William H., III - 通讯作者:
Spencer, William H., III
Path following using transverse feedback linearization: Application to a maglev positioning system
- DOI:
10.1016/j.automatica.2010.01.009 - 发表时间:
2010-03-01 - 期刊:
- 影响因子:6.4
- 作者:
Nielsen, Christopher;Fulford, Cameron;Maggiore, Manfredi - 通讯作者:
Maggiore, Manfredi
Path Following Using Dynamic Transverse Feedback Linearization for Car-Like Robots
- DOI:
10.1109/tro.2015.2395711 - 发表时间:
2015-04-01 - 期刊:
- 影响因子:7.8
- 作者:
Akhtar, Adeel;Nielsen, Christopher;Waslander, Steven L. - 通讯作者:
Waslander, Steven L.
Nielsen, Christopher的其他文献
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{{ truncateString('Nielsen, Christopher', 18)}}的其他基金
Output feedback controllers for set stabilization
用于设定稳定的输出反馈控制器
- 批准号:
RGPIN-2019-05268 - 财政年份:2022
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Output feedback controllers for set stabilization
用于设定稳定的输出反馈控制器
- 批准号:
RGPIN-2019-05268 - 财政年份:2021
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Output feedback controllers for set stabilization
用于设定稳定的输出反馈控制器
- 批准号:
RGPIN-2019-05268 - 财政年份:2020
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Coordinated set stabilization : application to robotic manipulators
协调稳定:在机器人操纵器中的应用
- 批准号:
RGPIN-2014-06491 - 财政年份:2018
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Coordinated set stabilization : application to robotic manipulators
协调稳定:在机器人操纵器中的应用
- 批准号:
RGPIN-2014-06491 - 财政年份:2017
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Coordinated set stabilization : application to robotic manipulators
协调稳定:在机器人操纵器中的应用
- 批准号:
RGPIN-2014-06491 - 财政年份:2016
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Coordinated set stabilization : application to robotic manipulators
协调稳定:在机器人操纵器中的应用
- 批准号:
RGPIN-2014-06491 - 财政年份:2015
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Coordinated set stabilization : application to robotic manipulators
协调稳定:在机器人操纵器中的应用
- 批准号:
RGPIN-2014-06491 - 财政年份:2014
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Nonlinear set stabilization: application to coordinated path following
非线性集合稳定:在协调路径跟随中的应用
- 批准号:
371997-2009 - 财政年份:2013
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Nonlinear set stabilization: application to coordinated path following
非线性集合稳定:在协调路径跟随中的应用
- 批准号:
371997-2009 - 财政年份:2012
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
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Output feedback controllers for set stabilization
用于设定稳定的输出反馈控制器
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Output feedback controllers for set stabilization
用于设定稳定的输出反馈控制器
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