Toshimitsu USHIO


Optimal Stabilizing Controller for the Region of Weak Attraction under the Influence of Disturbances
Sasinee PRUEKPRASERT Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/06/01
Vol. E99-D  No. 6  pp. 1428-1435
Type of Manuscript:  Special Section PAPER (Special Section on Formal Approach)
Category: Formal Methods
Keyword: 
stabilizationstate attractionquantitative discrete event systemsstate feedback controllersoptimal control
 Summary | Full Text:PDF(337.4KB)

Optimal Stabilizing Supervisor of Quantitative Discrete Event Systems under Partial Observation
Sasinee PRUEKPRASERT Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/02/01
Vol. E99-A  No. 2  pp. 475-482
Type of Manuscript:  Special Section PAPER (Special Section on Mathematical Systems Science and its Applications)
Category: 
Keyword: 
stabilizationstate attractionoptimal supervisory controlstate feedback controllers
 Summary | Full Text:PDF(1MB)

Optimal Digital Control with Uncertain Network Delay of Linear Systems Using Reinforcement Learning
Taishi FUJITA Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/02/01
Vol. E99-A  No. 2  pp. 454-461
Type of Manuscript:  Special Section PAPER (Special Section on Mathematical Systems Science and its Applications)
Category: 
Keyword: 
reinforcement learningadaptive controloutput feedback controloptimal controllinear system
 Summary | Full Text:PDF(888KB)

Adaptive Assignment of Deadline and Clock Frequency in Real-Time Embedded Control Systems
Tatsuya YOSHIMOTO Toshimitsu USHIO Takuya AZUMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/01/01
Vol. E98-A  No. 1  pp. 323-330
Type of Manuscript:  PAPER
Category: Systems and Control
Keyword: 
real-time embedded control systemDVFS processoroptimizationEDF scheduling
 Summary | Full Text:PDF(1.1MB)

Self-Triggered Predictive Control with Time-Dependent Activation Costs of Mixed Logical Dynamical Systems
Shogo NAKAO Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/02/01
Vol. E97-A  No. 2  pp. 476-483
Type of Manuscript:  Special Section PAPER (Special Section on Mathematical Systems Science and its Applications)
Category: 
Keyword: 
self-triggered controlhybrid systemsmixed logical dynamical systempredictive controloptimal control
 Summary | Full Text:PDF(605.9KB)

A Control Method of Dynamic Selfish Routing Based on a State-Dependent Tax
Takafumi KANAZAWA Takurou MISAKA Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/08/01
Vol. E96-A  No. 8  pp. 1794-1802
Type of Manuscript:  PAPER
Category: Concurrent Systems
Keyword: 
selfish routingBraess's paradoxreplicator dynamicssubsidy and capitation taxstate-dependent tax
 Summary | Full Text:PDF(1.6MB)

Co-scheduling of Communication and Control of Multi-Hop Control Networks
Yasuki NANAMORI Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/05/01
Vol. E96-A  No. 5  pp. 878-885
Type of Manuscript:  Special Section PAPER (Special Section on Networked Control Systems: Theories & Applications)
Category: 
Keyword: 
multi-hop control networkSAT solverlogical formulascheduling
 Summary | Full Text:PDF(836.6KB)

Evolutionarily and Neutrally Stable Strategies in Multicriteria Games
Tomohiro KAWAMURA Takafumi KANAZAWA Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/04/01
Vol. E96-A  No. 4  pp. 814-820
Type of Manuscript:  PAPER
Category: Concurrent Systems
Keyword: 
game theorymulticriteria gamesevolutionarily stable strategyneutrally stable strategy
 Summary | Full Text:PDF(688.6KB)

Potential Game Based Distributed Control for Voronoi Coverage Problems with Obstacle Avoidance
Saori TERAOKA Toshimitsu USHIO Takafumi KANAZAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/07/01
Vol. E95-A  No. 7  pp. 1156-1163
Type of Manuscript:  PAPER
Category: Concurrent Systems
Keyword: 
Voronoi coverageobstacle avoidancebarycentric coordinatepotential gamereplicator dynamics
 Summary | Full Text:PDF(1.5MB)

FOREWORD
Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/12/01
Vol. E94-A  No. 12  pp. 2787-2787
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(91.3KB)

Potential Game Theoretic Approach to Power-Aware Mobile Sensor Coverage Problem
Naoki HAYASHI Toshimitsu USHIO Takafumi KANAZAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/03/01
Vol. E94-A  No. 3  pp. 929-936
Type of Manuscript:  PAPER
Category: Systems and Control
Keyword: 
power-aware sensor coveragepotential gamescooperative controlbarycentric coordinates
 Summary | Full Text:PDF(1.2MB)

Optimal Configuration for Multiversion Real-Time Systems Using Slack Based Schedulability
Sayuri TERADA Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/12/01
Vol. E93-A  No. 12  pp. 2709-2716
Type of Manuscript:  Special Section PAPER (Special Section on Theory of Concurrent Systems and its Applications)
Category: 
Keyword: 
real-time systemsEDF schedulingmultiversion task modeloptimization
 Summary | Full Text:PDF(340.2KB)

Adaptive Arbitration of Fair QoS Based Resource Allocation in Multi-Tier Computing Systems
Naoki HAYASHI Toshimitsu USHIO Takafumi KANAZAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/09/01
Vol. E93-A  No. 9  pp. 1678-1683
Type of Manuscript:  PAPER
Category: Concurrent Systems
Keyword: 
multi-tier computing systemsfair QoS controladaptive resource allocation
 Summary | Full Text:PDF(492.8KB)

Adaptive Fair Resource Allocation for Energy and QoS Trade-Off Management
Fumiko HARADA Toshimitsu USHIO Yukikazu NAKAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11  pp. 3245-3252
Type of Manuscript:  Special Section PAPER (Special Section on Concurrent/Real-time and Hybrid Systems: Theory and Applications)
Category: 
Keyword: 
quality of serviceenergy consumptiondynamic voltage scalingresource allocation
 Summary | Full Text:PDF(422KB)

Sampled-Data Event Control of Hybrid Systems for Control Specifications Given by Predicate
Yoshiyuki TSUCHIE Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11  pp. 3365-3373
Type of Manuscript:  PAPER
Category: Concurrent Systems
Keyword: 
hybrid automatonsampled-data control systemcontrol-invariance
 Summary | Full Text:PDF(1009.8KB)

Automatic Generation of User Manuals without Automation Surprises for Human-Machine Systems Modeled by Discrete Event Systems
Toshimitsu USHIO Satoshi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11  pp. 3237-3244
Type of Manuscript:  Special Section PAPER (Special Section on Concurrent/Real-time and Hybrid Systems: Theory and Applications)
Category: 
Keyword: 
discrete event systemshuman-machine systemsuser manualautomation surprises
 Summary | Full Text:PDF(261.7KB)

Performance Consensus Problem of Multi-Agent Systems with Multiple State Variables
Naoki HAYASHI Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/09/01
Vol. E91-A  No. 9  pp. 2403-2410
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: Nonlinear System Theory
Keyword: 
multi-agent systemsconsensus problemalgebraic graph theoryresource allocationfair QoS control
 Summary | Full Text:PDF(355.8KB)

Replicator Dynamics with Dynamic Payoff Reallocation Based on the Government's Payoff
Takafumi KANAZAWA Hayato GOTO Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/09/01
Vol. E91-A  No. 9  pp. 2411-2418
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: Nonlinear System Theory
Keyword: 
replicator dynamicsdynamic interventionpayoff collectionpayoff reallocation
 Summary | Full Text:PDF(422.5KB)

Replicator Dynamics with Government's Intervention by Collection and Reallocation of Payoffs
Takafumi KANAZAWA Toshimitsu USHIO Hayato GOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/10/01
Vol. E90-A  No. 10  pp. 2170-2177
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: Nonlinear Phenomena and Analysis
Keyword: 
replicator dynamicsinterventionpayoff collectionpayoff reallocation
 Summary | Full Text:PDF(461.7KB)

Consensus Problem of Multi-Agent Systems with Non-linear Performance Functions
Naoki HAYASHI Toshimitsu USHIO Fumiko HARADA Atsuko OHNO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/10/01
Vol. E90-A  No. 10  pp. 2261-2264
Type of Manuscript:  Special Section LETTER (Special Section on Nonlinear Theory and its Applications)
Category: Systems Theory and Control
Keyword: 
cooperative controlmulti-agent systemsconsensus problemalgebraic graph theory
 Summary | Full Text:PDF(108KB)

FOREWORD
Toshimitsu USHIO Gianluca SETTI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/10/01
Vol. E90-A  No. 10  pp. 2053-2054
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(90KB)

Adaptive Fair Sharing Control in Real-Time Systems Using Nonlinear Elastic Task Models
Toshimitsu USHIO Haruo KOHTAKI Masakazu ADACHI Fumiko HARADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/06/01
Vol. E90-A  No. 6  pp. 1154-1161
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
real-time systemselastic task modelresource allocationfair sharing controlQoS
 Summary | Full Text:PDF(405.2KB)

Control-Invariance of Sampled-Data Hybrid Systems with Clocked Events and Jitters
Yoshiyuki TSUCHIE Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/04/01
Vol. E90-A  No. 4  pp. 707-714
Type of Manuscript:  Special Section PAPER (Special Section on Selected Papers from the 19th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
hybrid automatonjittercontrol-invariancestate feedback
 Summary | Full Text:PDF(233.6KB)

Scheduling of Periodic Tasks on a Dynamically Reconfigurable Device Using Timed Discrete Event Systems
Kenji ONOGI Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/11/01
Vol. E89-A  No. 11  pp. 3227-3234
Type of Manuscript:  Special Section PAPER (Special Section on Concurrent/Hybrid Systems: Theory and Applications)
Category: Concurrent Systems
Keyword: 
dynamically reconfigurable deviceschedulingautomatadiscrete event systemsstate feedback
 Summary | Full Text:PDF(487.8KB)

Multi-Population Replicator Dynamics with Changes of Interpretations of Strategies
Takafumi KANAZAWA Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/10/01
Vol. E89-A  No. 10  pp. 2717-2723
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: Modelling, Systems and Simulation
Keyword: 
evolutionary gamereplicator dynamicshybrid systeminterpretation function
 Summary | Full Text:PDF(1.4MB)

Multi-Population Replicator Dynamics with Erroneous Perceptions
Takafumi KANAZAWA Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/10/01
Vol. E89-A  No. 10  pp. 2857-2865
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
evolutionary gameevolutionarily stable strategyreplicator dynamicsperceptionchicken game
 Summary | Full Text:PDF(543KB)

Synthesis of Nonautonomous Systems with Specified Limit Cycles
Atsuko OHNO Toshimitsu USHIO Masakazu ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/10/01
Vol. E89-A  No. 10  pp. 2833-2836
Type of Manuscript:  Special Section LETTER (Special Section on Nonlinear Theory and its Applications)
Category: Oscillation, Dynamics and Chaos
Keyword: 
nonautonomous systemlimit cyclereceding horizon controltransient trajectory
 Summary | Full Text:PDF(159.5KB)

Analysis of Automation Surprises in Human-Machine Systems with Time Information
Masakazu ADACHI Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/04/01
Vol. E89-A  No. 4  pp. 1027-1034
Type of Manuscript:  Special Section PAPER (Special Section on Selected Papers from the 18th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
automation surpriseshuman-machine systemstimed automatatimed simulationcomposite model
 Summary | Full Text:PDF(347.9KB)

Decentralized Supervisory Control of Discrete Event Systems Based on Reinforcement Learning
Tatsushi YAMASAKI Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/11/01
Vol. E88-A  No. 11  pp. 3045-3050
Type of Manuscript:  Special Section PAPER (Special Section on Concurrent/Hybrid Systems: Theory and Applications)
Category: 
Keyword: 
discrete event systemsdecentralized controlsupervisory controlreinforcement learningoptimal control
 Summary | Full Text:PDF(230KB)

Decentralized Supervisory Control of Discrete Event Systems Using Dynamic Default Control
Shigemasa TAKAI Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/11/01
Vol. E88-A  No. 11  pp. 2982-2988
Type of Manuscript:  Special Section PAPER (Special Section on Concurrent/Hybrid Systems: Theory and Applications)
Category: 
Keyword: 
discrete event systemdecentralized supervisory controldynamic default controldynamic co-observability
 Summary | Full Text:PDF(271.6KB)

Applications of Discrete Event and Hybrid Systems in Humanoid Robots
Toshimitsu USHIO Keigo KOBAYASHI Masakazu ADACHI Hideyuki TAKAHASHI Atsuhito NAKATANI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/11/01
Vol. E87-A  No. 11  pp. 2834-2843
Type of Manuscript:  INVITED PAPER (Special Section on Concurrent Systems and Hybrid Systems)
Category: 
Keyword: 
discrete event systemshybrid state nethumanoid robotmotion generationplanning
 Summary | Full Text:PDF(1MB)

Formal Detection of Three Automation Surprises in Human-Machine Interaction
Yoshitaka UKAWA Toshimitsu USHIO Masakazu ADACHI Shigemasa TAKAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/11/01
Vol. E87-A  No. 11  pp. 2878-2884
Type of Manuscript:  Special Section PAPER (Special Section on Concurrent Systems and Hybrid Systems)
Category: Concurrent Systems
Keyword: 
human-machine interactioncomposite modelautomation surprisesmode confusionrefusal stateblocking state
 Summary | Full Text:PDF(347.2KB)

Supervisory Control of a Class of Concurrent Discrete Event Systems
Shigemasa TAKAI Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/04/01
Vol. E87-A  No. 4  pp. 850-855
Type of Manuscript:  Special Section PAPER (Special Section on Selected Papers from the 16th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
discrete event systemconcurrencysupervisory controlcontrollabilityconcurrent well-posedness
 Summary | Full Text:PDF(156.1KB)

Synthesis of Hybrid Systems with Limit Cycles Satisfying Piecewise Smooth Constraint Equations
Masakazu ADACHI Toshimitsu USHIO Shigeru YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/04/01
Vol. E87-A  No. 4  pp. 837-842
Type of Manuscript:  Special Section PAPER (Special Section on Selected Papers from the 16th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
limit cycleshybrid systems
 Summary | Full Text:PDF(1.2MB)

Reliable Decentralized Supervisory Control of Discrete Event Systems with the Conjunctive and Disjunctive Fusion Rules
Shigemasa TAKAI Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/11/01
Vol. E86-A  No. 11  pp. 2731-2738
Type of Manuscript:  Special Section PAPER (Special Section on Concurrent System Technology)
Category: 
Keyword: 
discrete event systemdecentralized supervisory controlreliable supervisorreliable co-observability
 Summary | Full Text:PDF(321.1KB)

Stability Analysis for a Class of Interconnected Hybrid Systems
Shigeru YAMAMOTO Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/08/01
Vol. E85-A  No. 8  pp. 1921-1927
Type of Manuscript:  PAPER
Category: Systems and Control
Keyword: 
hybrid dynamical systemlarge-scale systeminterconnected systemdiscontinuous Lyapunov functionlinear matrix inequality
 Summary | Full Text:PDF(222.1KB)

Analysis of Border-Collision Bifurcations in a Flow Model of a Switching System
Hiroto TANAKA Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/04/01
Vol. E85-A  No. 4  pp. 734-739
Type of Manuscript:  Special Section PAPER (Special Section of Selected Papers from the 14th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
flow modelpiecewise linear systemswitching systemborder-collision bifurcation
 Summary | Full Text:PDF(394.6KB)

Weak Normality for Nonblocking Supervisory Control of Discrete Event Systems under Partial Observation
Shigemasa TAKAI Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/11/01
Vol. E84-A  No. 11  pp. 2822-2828
Type of Manuscript:  Special Section PAPER (Special Section on Concurrent Systems Technology)
Category: 
Keyword: 
discrete event systemnonblocking supervisory controlpartial observationobservabilitynormality
 Summary | Full Text:PDF(217.9KB)

Synthesis of Reliable Decentralized Supervisors for Discrete Event Systems
Shigemasa TAKAI Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11  pp. 2212-2218
Type of Manuscript:  Special Section PAPER (Special Section on Concurrent Systems Technology)
Category: 
Keyword: 
discrete event systemdecentralized supervisory controlreliable controlnormalityfully decentralized supervisor
 Summary | Full Text:PDF(345.1KB)

On-Line Synthesis of Decentralized Supervisors for Discrete Event Systems
Shigemasa TAKAI Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11  pp. 2282-2285
Type of Manuscript:  Special Section LETTER (Special Section on Concurrent Systems Technology)
Category: 
Keyword: 
discrete event systemdecentralized supervisory controlon-line control
 Summary | Full Text:PDF(164.1KB)

On-Line Control of Discrete Event Systems with a Maximally Controllable and Observable Sublanguage
Toshimitsu USHIO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/09/25
Vol. E82-A  No. 9  pp. 1965-1970
Type of Manuscript:  PAPER
Category: Graphs and Networks
Keyword: 
discrete event systemsupervisory controlpartial observationon-line control
 Summary | Full Text:PDF(276.9KB)

Controlling Chaos in a Hogg-Huberman Model of a Manufacturing System
Toshimitsu USHIO Nobuyoshi MOTONAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/07/25
Vol. E81-A  No. 7  pp. 1507-1511
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
computational ecologyHogg-Huberman modelmanufacturing systemcontrol of chaos
 Summary | Full Text:PDF(424KB)

Balanced State Feedback Controllers for Descrete Event Systems Described by the Golaszewski-Ramadge Model
Shigemasa TAKAI Toshimitsu USHIO Shinzo KODAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/05/25
Vol. E80-A  No. 5  pp. 928-931
Type of Manuscript:  LETTER
Category: Concurrent Systems
Keyword: 
discrete event systemstate feedback controlbalanced controllerpartial observation
 Summary | Full Text:PDF(266.1KB)

Stabilization of Timed Discrete Event Systems with Forcible Events
Jae-won YANG Shigemasa TAKAI Toshimitsu USHIO Sadatoshi KUMAGAI Shinzo KODAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/03/25
Vol. E80-A  No. 3  pp. 571-573
Type of Manuscript:  Special Section LETTER (Special Section of Selected Papers from the 9th Karuizawa Workshop on Circuits and Systems)
Category: 
Keyword: 
timed descrete event systemsstabilizationstate feedbackfarcible event
 Summary | Full Text:PDF(199.8KB)

Chaos Shift Keying Based on In-Phase and Anti-Phase Chaotic Synchronization
Toshimitsu USHIO Takaharu INNAMI Shinzo KODAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/10/25
Vol. E79-A  No. 10  pp. 1689-1693
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications (NOLTA))
Category: Sequence, Time Series and Applications
Keyword: 
chaossynchronizationdigital communication
 Summary | Full Text:PDF(329.1KB)

A Forbidden Marking Problem in Controlled Complementary-Places Petri Nets
Wooi Voon CHANG Toshimitsu USHIO Shigemasa TAKAI Sadatoshi KUMAGAI Shinzo KODAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/03/25
Vol. E78-A  No. 3  pp. 382-388
Type of Manuscript:  Special Section PAPER (Special Section of Selected Papers from the 7th Karuizawa Workshop on Circuits and Systems)
Category: Graphs and Networks
Keyword: 
discrete event systemcomplementary-places Petri netforbidden marking problemmaximally permissive control law
 Summary | Full Text:PDF(646.4KB)