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Vibration control of automotive drive system with backlash considering control period constraint
2019
Journal of Advanced Mechanical Design, Systems, and Manufacturing
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The results are compared to the control results with those obtained by the traditional discrete approximation. ...
Then to cope with the control cycle constraint, sampled-data H2 control is applied. The servo system is constructed by applying an approximate integrator and frequency shaping. ...
Figure 5 (a) shows the sampled-data control system, which is a digital control system to control a continuous-time plant ( ) using a discrete-time controller [ ]. ( ) and [ ] comprise a closed-loop system ...
doi:10.1299/jamdsm.2019jamdsm0018
fatcat:c56t3peozfgijdho6gx7l5acfm
2013 Index IEEE Transactions on Automatic Control Vol. 58
2013
IEEE Transactions on Automatic Control
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., and Shroff, N. B ...
., +, TAC Sept. 2013 2349-2354 Discrete time systems Bode-like Integral for Continuous-Time Closed-Loop Systems in the Presence of Limited Information. ...
., +, TAC
Oct. 2013 2451-2464
Stabilization of Stochastic Quantum Dynamics via Open-and Closed-Loop
Control. ...
doi:10.1109/tac.2013.2295962
fatcat:3zpqog4r4nhoxgo4vodx4sj3l4
Hierarchical hybrid control: a case study
[chapter]
1995
Lecture Notes in Computer Science
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As our example we use the Intelligent Vehicle Highway System (IVHS) architecture proposed for vehicle platooning, a system that involves both continuous state and discrete event controllers. ...
We consider this as an indication that the conventional tools currently in use for the design and verification of control systems may be inadequate for the design of hierarchical controllers for hybrid ...
Acknowledgment: The authors would like to thank Farokh Eskafi, Delnaz Khorramabadi, Dr. Bobby Rao and Prof. Pravin Varaiya for helpful discussions providing insight into the problem. ...
doi:10.1007/3-540-60472-3_9
fatcat:nbunaqs3hzctxjr5to7aeo2w7a
Clarifying Cognitive Control and the Controllable Connectome
[article]
2018
arXiv
pre-print
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In brain networks, some conceptual and lexical similarities between cognitive control and control theory offer appealing avenues for scientific discovery. ...
However, these opportunities also come with the risk of conceptual confusion. Here, I suggest that each field of inquiry continues to produce novel and distinct insights. ...
He additionally thanks Brian Erickson for conversations regarding control theory and systems theory, and Denise Harvey for conversations about the relationship between network control theory and cognitive ...
arXiv:1801.08806v4
fatcat:fha6o4ukdvfj5esulz7cgpf7sy
Process modelling for hybrid control
2002
Systems Analysis Modelling Simulation
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Paper deals with modelling methods for the purpose of control of hybrid systems, a class of dynamic systems where the behaviour of interest is determined by interacting time continuous and discrete-event ...
A discrete-event plant model is developed and a discrete controller is designed to prevent entering into a forbidden region of the state space. ...
The control automaton and the plant interact at discrete times, where the interval between successive interaction times can vary. ...
doi:10.1080/716067185
fatcat:rgqkznlh5zf6pb22cuz2ptsmha
2020 Index IEEE Transactions on Automatic Control Vol. 65
2020
IEEE Transactions on Automatic Control
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., +, TAC Oct. 2020 4031-4046 Global Analysis of Synchronization Performance for Power Systems: Bridging the Theory-Practice Gap. ...
Yin, X., +, TAC April
2020 1429-1441
Discrete systems
Hybrid Control for Robust and Global Tracking on Smooth Manifolds. ...
Linear programming A Decentralized Event-Based Approach for Robust Model Predictive Control. ...
doi:10.1109/tac.2020.3046985
fatcat:hfiqhyr7sffqtewdmcwzsrugva
Compact sets in the graph topology and applications to approximation of system design
2011
IEEE Conference on Decision and Control and European Control Conference
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Hence we give a necessary condition and a sufficient condition, and discuss the gap between the two. ...
In particular, it provides necessary and sufficient conditions for the continuity properties of the transfer matrices of stabilized closed-loop systems. ...
The gap between the boundedness on D (i.e., in H ∞ (D)) and the boundedness on U (i.e., in H ∞ (U)) thus yield the gap between necessity and sufficiency here. ...
doi:10.1109/cdc.2011.6160309
dblp:conf/cdc/YamamotoV11
fatcat:mrwsl3h5bfc4nboj3fh7o25bou
Monotone Inclusions, Acceleration and Closed-Loop Control
[article]
2022
arXiv
pre-print
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While the discrete-time analysis is a simplification and generalization of the previous analysis for bounded domain, it is motivated by the aforementioned continuous-time analysis, illustrating the fundamental ...
role that the closed-loop control plays in acceleration in monotone inclusion. ...
Acknowledgments This work was supported in part by the Mathematical Data Science program of the Office of Naval Research under grant number N00014-18-1-2764 and by the Vannevar Bush Faculty Fellowship ...
arXiv:2111.08093v3
fatcat:7psjsezq3bam3gimkzoicaztpa
REALISTIC SIMULATIONS OF EMBEDDED CONTROL SYSTEMS
2002
IFAC Proceedings Volumes
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The individual subcontrollers are conveniently described using discrete equations, the switching logic may be expressed using state machines, the complete controller is implemented as a task in a real-time ...
The heterogeneity of modern embedded control systems puts high demands on design and simulation tools. ...
A basic controller model. The controller is a discrete controller with three different modes, the plant is a continuous model, and they are connected via a zero-order hold (ZOH) and a sampler. ...
doi:10.3182/20020721-6-es-1901.00553
fatcat:mgem66gvxnfppbrtm3kajaqmb4
Hierarchical hybrid control of automated highway systems
1997
Transportation Research Part A: Policy and Practice
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The next section contains the design of an interface between this feedback controller and the discrete event coordination layer. ...
It begins with an overview of the AHS control system. The individual layers of the hierarchical control architecture for platooning are described, followed by a brief introduction to hybrid systems. ...
His enthusiasm and encouragement w ere a constant source of inspiration. I am thankful for the opportunities and direction he provided. ...
doi:10.1016/s0965-8564(97)88286-9
fatcat:e2ucmuh2bjhvrjt3vjrjtkmqtm
Spiking Control Systems
[article]
2022
arXiv
pre-print
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2021 pre-print arXiv:2112.03565v1 fatcat:wbomu2ffhzeqfgq5w5turjp4x4
Spikes and rhythms organize control and communication in the animal world, in contrast to the bits and clocks of digital technology. ...
As continuous-time signals that can be counted, spikes have a mixed nature. This paper reviews ongoing efforts to develop a control theory of spiking systems. ...
, Ilario Cirillo, Tom Chaffey, and Tai Kirby. ...
arXiv:2112.03565v2
fatcat:6e2ia6dwsjbn5k5fc6qkhtshkq
TAAC: Temporally Abstract Actor-Critic for Continuous Control
[article]
2021
arXiv
pre-print
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TAAC adds a second-stage binary policy to choose between the previous action and a new action output by an actor. ...
We present temporally abstract actor-critic (TAAC), a simple but effective off-policy RL algorithm that incorporates closed-loop temporal abstraction into the actor-critic framework. ...
Acknowledgements The authors would like to thank Jerry Bai and Le Zhao for helpful discussions on this project, and the Horizon AI platform team for infrastructure support. ...
arXiv:2104.06521v3
fatcat:7aj5ix6g4jdwng2vh62mszkhsa
Hybrid Systems, Iterative Learning Control, and Non-minimum Phase
[article]
2021
arXiv
pre-print
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In summary, the three main gaps addressed by this dissertation are (1) the lack of compatibility between existing hybrid modeling frameworks and ILC synthesis techniques, (2) the failure of ILC based on ...
The main thrust of this dissertation is to provide a boradly applicable theory of ILC for deterministic, discrete-time hybrid systems, i.e. piecewise defined (PWD) systems. ...
This closed-form representation is shown to bridge the gap between system representation and control via the application of ILC to an example hybrid system. ...
arXiv:2102.13070v3
fatcat:n6bbxo2qs5ezzfppvmh4llzdwy
Toward Effective Soft Robot Control via Reinforcement Learning
[chapter]
2017
Lecture Notes in Computer Science
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We apply the approach to the Honeycomb PneuNets Soft Robot and demonstrate the effectiveness of the training method and its ability to produce good control policies under different conditions. ...
We introduce a new approach to accomplish that, making two key contributions: designing an abstract representation of the state of soft robots, and developing a reinforcement learning method to derive ...
Fig. 4 . 4 The primary difference between open-loop and closed-loop control. The closedloop control is shown above, and the open-loop control is shown below. ...
doi:10.1007/978-3-319-65289-4_17
fatcat:bgpuwinfknespmumcxy7sxzncm
Bilinear Control of Schrödinger PDEs
[chapter]
2015
Encyclopedia of Systems and Control
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We review recent developments in the eld, with discrimination between exact and approximate controllability, in nite or innite time. ...
We also underline the variety of mathematical tools used by various teams in the last decade. The results are illustrated on several classical examples. ...
However, closed loop controls may be computed via numerical simulations and then applied to real quantum systems in open loop, without measurement. ...
doi:10.1007/978-1-4471-5058-9_12
fatcat:m4rldulqezdplockuo25ielmka
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