Sampled data systems

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A sampled-data system is a control system where continuous-time plant (control theory) is controlled with a digital device. Under periodic sampling, the sampled-data system is time-varying but also periodic, and thus it may be modeled by a simplified discrete-time system obtained by discretizing the plant. (Wikipedia.org)






Conferences related to Sampled data systems

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2023 Annual International Conference of the IEEE Engineering in Medicine & Biology Conference (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted full papers will be peer reviewed. Accepted high quality papers will be presented in oral and poster sessions,will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE.


2020 59th IEEE Conference on Decision and Control (CDC)

The CDC is the premier conference dedicated to the advancement of the theory and practice of systems and control. The CDC annually brings together an international community of researchers and practitioners in the field of automatic control to discuss new research results, perspectives on future developments, and innovative applications relevant to decision making, automatic control, and related areas.


2020 IEEE 16th International Workshop on Advanced Motion Control (AMC)

AMC2020 is the 16th in a series of biennial international workshops on Advanced Motion Control which aims to bring together researchers from both academia and industry and to promote omnipresent motion control technologies and applications.


2020 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)

All areas of ionizing radiation detection - detectors, signal processing, analysis of results, PET development, PET results, medical imaging using ionizing radiation


GLOBECOM 2020 - 2020 IEEE Global Communications Conference

IEEE Global Communications Conference (GLOBECOM) is one of the IEEE Communications Society’s two flagship conferences dedicated to driving innovation in nearly every aspect of communications. Each year, more than 2,900 scientific researchers and their management submit proposals for program sessions to be held at the annual conference. After extensive peer review, the best of the proposals are selected for the conference program, which includes technical papers, tutorials, workshops and industry sessions designed specifically to advance technologies, systems and infrastructure that are continuing to reshape the world and provide all users with access to an unprecedented spectrum of high-speed, seamless and cost-effective global telecommunications services.


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Periodicals related to Sampled data systems

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Aerospace and Electronic Systems Magazine, IEEE

The IEEE Aerospace and Electronic Systems Magazine publishes articles concerned with the various aspects of systems for space, air, ocean, or ground environments.


Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Automatic Control, IEEE Transactions on

The theory, design and application of Control Systems. It shall encompass components, and the integration of these components, as are necessary for the construction of such systems. The word `systems' as used herein shall be interpreted to include physical, biological, organizational and other entities and combinations thereof, which can be represented through a mathematical symbolism. The Field of Interest: shall ...


Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


Circuits and Systems for Video Technology, IEEE Transactions on

Video A/D and D/A, display technology, image analysis and processing, video signal characterization and representation, video compression techniques and signal processing, multidimensional filters and transforms, analog video signal processing, neural networks for video applications, nonlinear video signal processing, video storage and retrieval, computer vision, packet video, high-speed real-time circuits, VLSI architecture and implementation for video technology, multiprocessor systems--hardware and software-- ...


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Most published Xplore authors for Sampled data systems

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Xplore Articles related to Sampled data systems

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Corrections to "A Method for the Synthesis of Controllers to Handle Safety, Liveness, and Real-Time Constraints" and "Tracking in Clutter with Strongest Neighbor Measurements - Part I: Theoretical Analysis"

IEEE Transactions on Automatic Control, 1999

Summary form only given. In the November 1998 issue, two recommending editors' names were unintentionally omitted. The information is as follows. The paper "A Method for the Synthesis of Controllers to Handle Safety, Liveness, and Real-Time Constraints," by Barbeau et al. (1998), was recommended by Associate Editor, F. Lin. In addition, the paper "Tracking in Clutter with Strongest Neighbor Measurements-Part ...


High performance GaAs analog sampled data circuits and systems

1991., IEEE International Sympoisum on Circuits and Systems, 1991

The design of high-frequency GaAs analog sampled data systems using switched capacitor circuit techniques is reviewed including op-amp and switch design and optimization of the circuit for maximum clock-rate. A second order switched capacitor bandpass filter example with high precision measured response characteristics for a clock-rate of 500 MHz is discussed. Possible op-amp and switch designs to allow clock-rates around ...


Controllability and Observability of Multivariable Sampled Data Systems with Input and Output Delays

1989 American Control Conference, 1989

Zero order hold discrete time equivalents of sampled data plants with multiple input and output delays are derived. The delay is not assumed to be an integral multiple of the sample period nor is it assumed identical for all inputs or outputs. It is proven that the discrete equivalent is both observable and controllable iff, (i) the discrete time equivalent ...


A new approach to sampling-dependent stability for sampled-data systems under aperiodic samplings

2016 Chinese Control and Decision Conference (CCDC), 2016

This paper is concerned with a new Lyapunov functional approach to sampling- dependent stability for sampled-data systems under aperiodic samplings. A new Lyapunov functional is constructed by introducing the integral of the state. The improved Jensen inequality reported recently is used to estimate the derivative of the Lyapunov functional. Based on Lyapunov stability theory, a new sampling-dependent stability result is ...


Asymptotic disturbance attenuation problem for sampled-data systems

[1991] Proceedings of the 34th Midwest Symposium on Circuits and Systems, 1992

A class of linear shift-invariant discrete systems with disturbances acting on the state variables is considered. Disturbances are assumed to be energy signals. Using singular perturbation theory, a high-gain feedback controller is designed to limit the energy of the disturbances felt at the output. The high-gain feedback controller is designed in two steps and has the following properties: (1) it ...


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Educational Resources on Sampled data systems

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IEEE-USA E-Books

  • Corrections to "A Method for the Synthesis of Controllers to Handle Safety, Liveness, and Real-Time Constraints" and "Tracking in Clutter with Strongest Neighbor Measurements - Part I: Theoretical Analysis"

    Summary form only given. In the November 1998 issue, two recommending editors' names were unintentionally omitted. The information is as follows. The paper "A Method for the Synthesis of Controllers to Handle Safety, Liveness, and Real-Time Constraints," by Barbeau et al. (1998), was recommended by Associate Editor, F. Lin. In addition, the paper "Tracking in Clutter with Strongest Neighbor Measurements-Part I: Theoretical Analysis," by Li (1998), was recommended by Associate Editor, J. Spall.

  • High performance GaAs analog sampled data circuits and systems

    The design of high-frequency GaAs analog sampled data systems using switched capacitor circuit techniques is reviewed including op-amp and switch design and optimization of the circuit for maximum clock-rate. A second order switched capacitor bandpass filter example with high precision measured response characteristics for a clock-rate of 500 MHz is discussed. Possible op-amp and switch designs to allow clock-rates around 1 GHz are presented.<<ETX>>

  • Controllability and Observability of Multivariable Sampled Data Systems with Input and Output Delays

    Zero order hold discrete time equivalents of sampled data plants with multiple input and output delays are derived. The delay is not assumed to be an integral multiple of the sample period nor is it assumed identical for all inputs or outputs. It is proven that the discrete equivalent is both observable and controllable iff, (i) the discrete time equivalent with zero integral delay is both observable and controllable, (ii) the number of plant inputs and outputs is equal and (iii) there are no transmission zeros at the origin. These are useful design considerations when implementation delays are to be lumped with a discretized plant model.

  • A new approach to sampling-dependent stability for sampled-data systems under aperiodic samplings

    This paper is concerned with a new Lyapunov functional approach to sampling- dependent stability for sampled-data systems under aperiodic samplings. A new Lyapunov functional is constructed by introducing the integral of the state. The improved Jensen inequality reported recently is used to estimate the derivative of the Lyapunov functional. Based on Lyapunov stability theory, a new sampling-dependent stability result is obtained for sampled-data systems under aperiodic samplings. Then, this stability result is extended to sampled- data systems with polytopic uncertainties under aperiodic samplings. At last, simulations show that the proposed results have less conservatism than some existing ones.

  • Asymptotic disturbance attenuation problem for sampled-data systems

    A class of linear shift-invariant discrete systems with disturbances acting on the state variables is considered. Disturbances are assumed to be energy signals. Using singular perturbation theory, a high-gain feedback controller is designed to limit the energy of the disturbances felt at the output. The high-gain feedback controller is designed in two steps and has the following properties: (1) it stabilizes the overall system, (2) it reduces the energy of the disturbances at the output of the slow subsystems within O( in /sup 2/), close to a prespecified level, and (3) it reduces the effect of the remaining fast dynamics at the output to an O( in ) quantity.<<ETX>>

  • First-order optimal reduced-delay sample-data holds

    A data-holding scheme whose phase delay is significantly less than that of the usual zero-order hold (ZOH) is presented. The improvement is achieved by means of simple additional software, and a standard ZOH device is employed.

  • A Time Domain Approach to Robustness of Linear Sampled Data Systems

    None

  • Syntactic pattern recognition of sampled data signals

    Statistical pattern recognition techniques perform measurements on sets of data samples to classify pattern types by clustering techniques. Syntactic techniques use a descriptive grammar to see whether the samples fall within an expected shape or envelope. The grammatical representation is described and a comparison provided between the statistical and syntactic techniques. The syntactic techniques is shown to exhibit superior noise tolerance combined with an ability to accommodate various scale factors in signal amplitude and time duration within a single compact grammatical representation.<<ETX>>

  • Uncertainties in Sampled Data Systems

    The contributions of this paper are threefold. We first explore the differences in uncertainty representations and control designs between continuous time systems and discrete time systems, particularly the high frequency interpretation does not work for discrete time systems. It is shown that uncertainties appeared in sampled data systems may be highly structured, however they do not fall into any category which is currently available in the literature. Secondly, we define a measure on these uncertainties which confines a neighborhood to the nominal model in terms of frequency content, and then we propose a control design method which guarantees the stability of the closed loop system in the face of uncertainties. Last, we consider a generalization of a classical continuous time approach in representing the multiplicative uncertainty to sampled data systems by using a slightly modified sampler and present a method to calculate a frequency bound on the uncertainty in sampled data systems.

  • Parameterized solution of the dead-beat ripple-free control problem for multirate sampled-data systems

    The purpose of the paper is to provide a parameterization of all causal feedback periodic controllers which guarantee the dead-beat ripple-free behaviour of the output of a linear time-invariant plant with a general multirate control scheme. A polynomial approach is adopted and the parameterized solution is defined in terms of the general solution of a proper diophantine equation.



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