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Frequency Stability for Distributed Generation Connected through Grid-Tie Inverter
Grid-Tie Inverter Frequency Stability
2015/6/19
Conventional power generation systems rely on the rotating inertia of large synchronous generators to maintain stability in the power balance and frequency control loops. The increasing penetration of...
We characterize a class of separable problems in multiple player optimal cooperative control. We show that a simple factorization condition unifies many of the previously known computational approache...
Polynomial Level-Set Method for Attractor Estimation
Attractor Estimation Level-Set Method
2015/6/19
In this study, we present a polynomial level-set method for attractor estimation. This method uses the sub-level representation of sets. The problem of flowing these sets under the advection map of a ...
We consider a networked control system, where each subsystem evolves as a Markov decision process with some extra inputs from other systems. Each subsystem is coupled to its neighbors via communicatio...
Quadratic Invariance is Necessary and Sufficient for Convexity
Convexity Necessary and Sufficient
2015/6/19
In decentralized control problems, a standard approach is to specify the set of allowable decentralized controllers as a closed subspace of linear operators. This then induces a corresponding set of o...
In decentralized control problems, a standard approach is to specify the set of allowable decentralized controllers as a closed subspace of linear operators. This then induces a corresponding set of Y...
Polynomial Level-Set Method for Polynomial System Reachable Set Estimation
Polynomial System Level-Set Method
2015/6/19
In this paper, we present a polynomial level-set method for advecting a semi-algebraic set for polynomial systems. This method uses the sub-level representation of sets. The problem of flowing these s...
Separable Problems in Optimal Cooperative Control of Networked Systems
Networked Systems Cooperative Control
2015/6/19
This paper presents explicit state-space solutions for a class of networked cooperative control problems. We consider the optimal control problem for a class of systems with dynamics defined at the ve...
We introduce a theory of sufficient statistics for team decision problems. Starting from a rigorous definition of team sufficient statistics, we show that they contain all the information needed to ma...
An Algebraic Approach to the Control of Decentralized Systems
Decentralized Systems Algebraic
2015/6/19
Optimal decentralized controller design is notoriously difficult, but recent research has identified large subclasses of such problems that may be convexified and thus are amenable to solution via eff...
Sufficient Statistics for Multi-Agent Decision Problems
Multi-Agent Decision Problems Decision making
2015/6/19
Motivated by recent work showing the existence of a separation structure for certain classes of decentralized control problems, we define sufficient statistics for multi-agent team decision problems. ...
Optimal Controller Synthesis for Decentralized Systems over Graphs via Spectral Factorization
Decentralized Systems Controller Synthesis
2015/6/19
In this paper, controller synthesis algorithms are developed for decentralized control problems. The distributed systems considered here are represented by graphs, which impose sparsity constraints on...
本文主要研究在内外能源共同作用下的多联装自动机系统后坐力动态响应情况,利用相关建模软件建立了多联装自动机系统的动力学模型,分别对两门转管自动机在击发位置相同以及击发位置相差30度或60度3种模式进行连发射击动力学仿真,得到了发射装置的后坐力以及扭转力矩变化趋势。通过分析对比3种模式下的后坐力及扭转力矩变化趋势,以获得较小的后坐力并采取电机控制的方式消除扭转力矩来提高射击精度,对以后的联装自动机系统...
小型飞翼布局无人机控制律设计与试飞验证
飞翼布局 特征结构配置 控制律设计
2016/5/23
针对无尾飞翼布局的无人机由于取消了水平尾翼和垂直尾翼，导致纵向、横航向的稳定下降，特别是横航向变为静不安定的问题，设计一种小型飞翼布局无人机全流程飞行控制律。以某型飞翼布局飞机的缩比飞机为控制对象，分析该飞机纵向与横航向的气动特性，采用特征结构配置方式，分别对纵向与横航向进行增稳设计。仿真与实际试飞结果表明：该控制律能够很好地跟踪期望的轨迹，并能有有效地抑制侧风扰动，具有良好的工程应用价值。