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Control Systems, IEEE

Issue 1 • Date Feb. 2002

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Displaying Results 1 - 11 of 11
  • The "First All-Union Conference on Automatic Control," Moscow, December 1940

    Publication Year: 2002 , Page(s): 15 - 21
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (200 KB) |  | HTML iconHTML  

    Classical control theory and automation, contrary to what the author considers widely believed, did not begin almost entirely in the USA and the UK in the World War II. In particular, a conference held in Moscow in late 1940, but little known outside Russia, included papers on and discussion of: the Nyquist criterion; operator methods; transient response; the use of the operator exp(-Tp) to model a time delay of T seconds; and the |z| < 0 criterion for the stability of a sampled-data system. The author discusses the content of the conference, its political context and its historical significance. View full abstract»

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  • Modeling and control of complex interactive networks [Guest Editorial]

    Publication Year: 2002 , Page(s): 22 - 27
    Cited by:  Papers (20)
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    Freely Available from IEEE
  • Control of movement for physically disabled [Book Review]

    Publication Year: 2002 , Page(s): 103
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    Freely Available from IEEE
  • Control system design guide [Book Review]

    Publication Year: 2002 , Page(s): 103 - 104
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    Freely Available from IEEE
  • Control of complex and uncertain systems [Book Review]

    Publication Year: 2002 , Page(s): 104 - 105
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    Freely Available from IEEE
  • Neural-fuzzy control system for robotic manipulators

    Publication Year: 2002 , Page(s): 53 - 63
    Cited by:  Papers (19)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (10679 KB) |  | HTML iconHTML  

    This article presents a control system structure, as well as a control algorithm, that combines neural networks with fuzzy logic for dynamical compensation of both structured and unstructured uncertainties.<P>A new fuzzy reasoning method is derived in the neural mechanism and implemented with a cerebellar model articulation controller (CMAC), which outperforms conventional fuzzy controllers by reducing computational complexity and providing a learning ability that conventional fuzzy systems do not have. The overall control system is proven to be stable. The simulation results confirm that the system can track the desired position for both set-point and dynamic tracking in the presence of uncertainties such as changing payload, various frictions, and unknown disturbances View full abstract»

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  • Serpentine locomotion with robotic snakes

    Publication Year: 2002 , Page(s): 64 - 81
    Cited by:  Papers (110)
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    Many mobile robots used for ground operations are wheel driven, but serpentine robots offer many advantages over the wheeled variety. The article outlines what those advantages are View full abstract»

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  • Internet congestion control

    Publication Year: 2002 , Page(s): 28 - 43
    Cited by:  Papers (250)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (766 KB) |  | HTML iconHTML  

    This article reviews the current transmission control protocol (TCP) congestion control protocols and overviews recent advances that have brought analytical tools to this problem. We describe an optimization-based framework that provides an interpretation of various flow control mechanisms, in particular, the utility being optimized by the protocol's equilibrium structure. We also look at the dynamics of TCP and employ linear models to exhibit stability limitations in the predominant TCP versions, despite certain built-in compensations for delay. Finally, we present a new protocol that overcomes these limitations and provides stability in a way that is scalable to arbitrary networks, link capacities, and delays View full abstract»

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  • Experimenting with hybrid control

    Publication Year: 2002 , Page(s): 82 - 95
    Cited by:  Papers (3)
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    We have described an experimental facility designed to study aspects of multimodal intelligent control and reported on some of the related research activities. The purpose of the two-fingered robotic manipulator developed by the authors is to provide a reliable, versatile control system that will be useful both as an instructional aid and as a research tool View full abstract»

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  • Distributed model predictive control

    Publication Year: 2002 , Page(s): 44 - 52
    Cited by:  Papers (183)  |  Patents (1)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (860 KB) |  | HTML iconHTML  

    The article presents results for distributed model predictive control (MPC), focusing on i) the coordination of the optimization computations using iterative exchange of information and ii) the stability of the closed-loop system when information is exchanged only after each iteration. Current research is focusing on general methods for decomposing large-scale problems for distributed MPC and methods for guaranteeing stability when multiple agents are controlling systems subject to abrupt changes View full abstract»

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  • A switching controller for uncertain nonlinear systems

    Publication Year: 2002 , Page(s): 7 - 14
    Cited by:  Papers (19)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (365 KB)  

    A switching controller is proposed to control nonlinear plants subject to unknown parameters within known bounds. The nonlinear plant is represented by a fuzzy plant model. This switching controller is able to drive the system states to follow those of a reference model. The switching controller consists of several linear controllers. One of the linear controllers is employed at each moment according to a switching scheme, which is derived based on Lyapunov stability theory. First, we describe a reference model, a fuzzy plant model, and a switching controller. Next, we investigate the system stability of the switching control system. The switching scheme is derived based on Lyapunov stability theory, and the gains of the switching controllers are designed. Then, we provide an application example of an inverted pendulum on a cart. Finally, we present our conclusions View full abstract»

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Jonathan P. How
jhow@mit.edu