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Estimate the densities of pollutions in water quality monitoring systems based on UV/vis spectrum 26th

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Estimate the densities of pollutions in water quality monito...

第26届中国控制与决策会议

作者： Tianrong Rao Qiang Ling Binfeng Yu haibo ji Department of Automation University of Science and Technology of China

ISBN: (纸本)9781479937097

UV/vis spectrometric quantification is widely applied in water quality monitoring systems. The UV/vis spectrum contains a huge amount of information about the water composition so that it can be used to measure the density of substances. However, the traditional methods to estimate densities using spectrum based on Lambert-Beer’s law become invalid in UV/vis spectrum because of the strong correlation among the absorption ratio of different wavelengths in the UV/vis spectrum. So we need to find a new estimating algorithm for water quality monitoring systems based on the UV/vis spectrum. In this paper, we analyze the traditional estimating algorithms. After that, we design an efficient estimating algorithms for water quality monitoring systems and evaluate it through orthogonal experiments.

关键词： UV/vis spectrum water quality monitoring system PLS MLR SVM orthogonal experiment

Inverse Optimal Stabilization for a Class of Spacecraft Rendezvous Problems

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Inverse Optimal Stabilization for a Class of Spacecraft Rend...

第37届中国控制会议

作者： Liao Fei Li Kun ji haibo Zhang Sheng China Aerodynamics Research Development Center the Department of Automation USTC

This paper investigates the spacecraft rendezvous problem with target spacecraft in an arbitrary elliptical *** Lawden equations are used to describe the relative motion of two *** inverse optimal method is introduced to deal with the stabilization *** Lyapunov analysis,a group of inverse optimal control laws is presented,which guarantees that,the whole system is asymptotically stable,and at the same time,is optimal with respect to a performance index incorporating a positive penalty on the states and the control ***-more,a group of modified control laws is obtained,which stabilizes the closed-loop system under input *** results are provided to illustrate the effectiveness of the proposed approach.

关键词： Spacecraft Rendezvous Inverse Optimal Control Asymptotical stabilization

一类最小相位随机非线性系统的输出反馈控制及扰动抑制

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中国科学技术大学学报 2011年第8期41卷 701-707页

作者：夏媛季海波中国科学技术大学自动化系安徽合肥230027

对于一类具有模型不确定性的最小相位随机非线性系统,研究输出反馈控制使闭环系统状态响应对噪声具有扰动抑制作用,并且无噪声时闭环系统是随机渐近稳定的.首先假设模型系统中的一个子系统随机输入状态稳定,并且系统的漂移项与扩散项分... 详细信息

对于一类具有模型不确定性的最小相位随机非线性系统,研究输出反馈控制使闭环系统状态响应对噪声具有扰动抑制作用,并且无噪声时闭环系统是随机渐近稳定的.首先假设模型系统中的一个子系统随机输入状态稳定,并且系统的漂移项与扩散项分别依赖于该子系统的状态和输出信号,在此假设前提下设计一个降阶观测器,得到一个等价系统,再由递推的方法得出等价系统的输出反馈控制律,使得最终得到的闭环系统对噪声方差是输入状态稳定的.

关键词：随机非线性系统输出反馈降维观测器

Varying-coefficient Based Distributed Formation Control of Multiple UAVs

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Varying-coefficient Based Distributed Formation Control of M...

第40届中国控制会议

作者： Zhang Hepeng Di jian Yan Han Wang Xinghu ji haibo Department of Automation University of Science and Technology of China Science and Technology on Space Intelligent Control Laboratory Beijing Institute of Control Engineering

This paper considers formation control of multiple unmanned aerial vehicles（UAVs） specified by Crazyflies. Based on the inter-vehicle distance dynamics, a varying-coefficient distributed controller is developed that can preserve the noncollinearity and achieve globally exponentially convergence to the desired formation pattern. An experiment is done to illustrate the effectiveness of the developed varying-coefficient distributed controller. The experiment comparison with respect to the fixed-coefficient distributed controller is also provided, indicating that our method assures accurate formation. A video demo of the experiment is available at https://***/video/BV1iy4y1J74q.

关键词： Varying-coefficient Distance-based Formation control Crazyflies

Cooperative Line-of-sight Guidance Laws for Active Aircraft Defense in Three-Dimensional Space

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Cooperative Line-of-sight Guidance Laws for Active Aircraft ...

第40届中国控制会议

作者： Gaoyong Tan Hongbing Luo haibo ji Fei Liao Wenhua Wu Department of Automation University of Science and Technology of China China Aerodynamics Research and Development Center

This paper presents line-of-sight（LOS） guidance laws based on the sliding mode control（SMC） for a Target aircraft and a Defender missile cooperatively combating an Attacker missile. The engagement dynamics of the proposed guidance laws is established in a three-dimensional space. Up to now, most of the previous guidance laws assumed that the rendezvous of the Target-Attacker-Defender（TAD） occurred in a plane, which limits the actual guidance performance. In order to realize LOS guidance in three-dimensional space, the cooperative guidance laws of the Target and the Defender in two directions are proposed respectively. The effectiveness of the proposed guidance laws is verified by numerical simulations.

关键词： Target-Attacker-Defender Cooperative LOS Guidance Sliding Mode Control

模型不确定非线性随机系统的鲁棒性能准则设计

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系统科学与数学 2007年第3期27卷 422-430页

作者：魏波季海波中国科学技术大学自动化系合肥230027

对于一类模型不确定非线性随机系统,用耗散性的观点发展了鲁棒性能准则理论,特别地,将确定性非线性系统理论中的耗散性概念引入到模型不确定随机非线性系统中,并以此作为基础来发展H_∞理论,在精确模型随机非线性系统H_∞基础上,建立了... 详细信息

对于一类模型不确定非线性随机系统,用耗散性的观点发展了鲁棒性能准则理论,特别地,将确定性非线性系统理论中的耗散性概念引入到模型不确定随机非线性系统中,并以此作为基础来发展H_∞理论,在精确模型随机非线性系统H_∞基础上,建立了模型不确定系统L_2增益和Hji不等式的可解性的关系,由于Hji偏微分方程难于求解,考虑模型参数满足某种适当匹配条件的系统的鲁棒性能准则问题,我们不需要通过求解Hji方程就可以得到此类系统的H_∞控制律。

关键词：模型不确定随机非线性系统耗散性 Hji不等式

含有动态输入不确定性的随机非线性系统的鲁棒控制

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中国科学技术大学学报 2010年第8期40卷 854-862页

作者：张翼季海波王刚中国科学技术大学自动化系安徽合肥230027

针对一类含有动态输入不确定性的随机非线性系统,从无源性的观点研究了鲁棒控制理论.特别地,将确定性系统中基于无源性的系统设计法推广到该类不确定随机系统中,并以此作为基础给出了该类系统的鲁棒镇定控制器设计方法.与传统的基于系... 详细信息

针对一类含有动态输入不确定性的随机非线性系统,从无源性的观点研究了鲁棒控制理论.特别地,将确定性系统中基于无源性的系统设计法推广到该类不确定随机系统中,并以此作为基础给出了该类系统的鲁棒镇定控制器设计方法.与传统的基于系统模型三角形结构的设计方法不同,对于一个一般的系统,也能给出其具体的控制器形式.设计过程主要分两部分,首先给出一类反馈连接形式的随机非线性系统满足无源性的充分条件,在对系统进行合理的设定和分析的基础上,基于此条件对于随机系统在输入通道出现动态不确定性的情况下构造出一种状态反馈控制律,使得闭环系统满足无源性,从而是渐进稳定的;然后,将该无源控制律设计方法扩展到系统同时含有动态和静态模型不确定性的情况.仿真结果验证了设计方法的有效性.

关键词：随机非线性系统鲁棒无源性动态输入不确定性

一种基于RBF神经网络增益调节的三维鲁棒导引律设计

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中国科学技术大学学报 2015年第4期45卷 280-285页

作者：陈勃杨开红季海波中国科学技术大学信息科学技术学院自动化系安徽合肥230027 海军蚌埠士官学校一系安徽蚌埠233012

针对导弹-目标相对运动三维非线性模型,采用满足输入-状态稳定性理论的非线性导弹导引律,利用径向基函数(radial basis function,RBF)神经网络动态调节自主学习能力,得到一种能根据视线角速度变化情况动态调节非线性导引律增益的控制律... 详细信息

针对导弹-目标相对运动三维非线性模型,采用满足输入-状态稳定性理论的非线性导弹导引律,利用径向基函数(radial basis function,RBF)神经网络动态调节自主学习能力,得到一种能根据视线角速度变化情况动态调节非线性导引律增益的控制律,可以避免因增益固定而目标机动性大引起脱靶量增大的情况.该导引律在目标做多种机动时也能对其进行跟踪和有效拦截.仿真结果表明,该控制律具有良好的自适应能力且便于实现.

关键词：导引律径向基函数神经网络(RBFNN) 输入-状态稳定性

Integrated Guidance and Control Based on Backstepping and Input-to-State Stability

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Integrated Guidance and Control Based on Backstepping and In...

第三十届中国控制会议

作者： YAN Han,ji haibo Department of Automation,University of Science and Technology of China,Hefei 230026,P.R.China

＜正＞This paper presents an approach of integrated guidance and control（IGC） design for interception of maneuvering targets（evaders）.An IGC model with uncertainties in the pitch plane is formulated,and the IGC approach is developed via backstepping *** analysis is shown that the design approach makes the line-of-sight（LOS） rate be input-to-state stable（ISS） with respect to target maneuvers and missile model uncertainties,and the stability of the missile dynamics can be guaranteed as *** numerical simulation confirms the effectiveness of the proposed design approach.

关键词： Integrated Guidance and Control Backstepping Input-to-State Stability Robustness