Hiroshi KAWAKAMI


Synchronized States Observed in Coupled Four Oscillators
Hiroyuki KITAJIMA Hiroshi KAWAKAMI Tetsuo HATTORI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/03/01
Vol. E88-A  No. 3  pp. 712-717
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
coupled oscillatorbifurcationphase synchronizationsymmetry
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Optimal-Routed Soft Handover in IP-Based Mobile Networks
Kenji NISHIMURA Hiroshi KAWAKAMI Shoichi HIRATA Masami YABUSAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/09/01
Vol. E87-B  No. 9  pp. 2576-2584
Type of Manuscript:  Special Section PAPER (Special Section on Networking Technologies for Mobile Internet Systems)
Category: Mobility Management
Keyword: 
soft handoverredundant pathoptimal routerelocationOSPF
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A New Method for Degraded Color Image Binarization Based on Adaptive Lightning on Grayscale Versions
Shigueo NOMURA Keiji YAMANAKA Osamu KATAI Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/04/01
Vol. E87-D  No. 4  pp. 1012-1020
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
degraded imagesimage enhancementadaptive divisionluminance intensityadaptive lightningbinarization
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Combinatorial Resonances in a Coupled Duffing's Circuit with Asymmetry
Yue MA Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/09/01
Vol. E86-A  No. 9  pp. 2340-2346
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
coupled Duffing's circuitsbifurcationcombinatorial resonance
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Combinatorial Resonances in Coupled Duffing's Circuits
Yue MA Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/03/01
Vol. E85-A  No. 3  pp. 648-654
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
coupled Duffing's circuitsbifurcationcombinatorial pattern
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QoS Management of AAL2 in IMT-2000 Networks
Hiroshi KAWAKAMI Fumiaki ISHINO Hideaki YUMIBA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/07/01
Vol. E84-A  No. 7  pp. 1636-1643
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
IMT-2000ATMAAL2QoSbandwidth management
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Bifurcation of a Modified BVP Circuit Model for Neurons Generating Rectangular Waves
Kunichika TSUMOTO Tetsuya YOSHINAGA Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/09/25
Vol. E82-A  No. 9  pp. 1729-1736
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and Its Applications)
Category: 
Keyword: 
modified BVP equationbifurcationhomoclinic orbitchaosneuronal model
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Forced Synchronization of Coupled Oscillators
Hiroyuki KITAJIMA Yasushi NOUMI Takuji KOUSAKA Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/04/25
Vol. E82-A  No. 4  pp. 700-703
Type of Manuscript:  LETTER
Category: Nonlinear Problems
Keyword: 
coupled oscillatorbifurcationsymmetry
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Synchronization of Electric Fireflies by Using Square Wave Generators
Takuji KOUSAKA Hiroshi KAWAKAMI Tetsushi UETA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/04/25
Vol. E81-A  No. 4  pp. 656-663
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
square wave generatorpiecewise linear systemsynchronization periodic solutionhysteresis
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Bifurcations of Periodic Solutions in a Coupled Oscillator with Voltage Ports
Hiroyuki KITAJIMA Yuji KATSUTA Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/03/25
Vol. E81-A  No. 3  pp. 476-482
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
bifurcationsymmetrycoupled systemnonlinear circuit
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A Method to Calculate Homoclinic Points of a Two-Dimensional Noninvertible Map
Tetsuya YOSHINAGA Hiroyuki KITAJIMA Hiroshi KAWAKAMI Christian MIRA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/09/25
Vol. E80-A  No. 9  pp. 1560-1566
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: 
Keyword: 
noninvertible maphomoclinic pointbifurcationcoupled mapnonlinear problem
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A Computation of Bifurcation Parameter Values for Limit Cycles
Tetsushi UETA Masafumi TSUEIKE Hiroshi KAWAKAMI Tetsuya YOSHINAGA Yuuji KATSUTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/09/25
Vol. E80-A  No. 9  pp. 1725-1728
Type of Manuscript:  LETTER
Category: Numerical Analysis and Optimization
Keyword: 
limit cyclebifurcationcharacteristic equationNewton's method
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On Unstable Saddle-Node Connecting Orbit in a Planer Autonomous System
Tetsushi UETA Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/11/25
Vol. E79-A  No. 11  pp. 1844-1847
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1996 IEICE General Conference)
Category: 
Keyword: 
saddle-node connecting orbitbifurcationtopological classification of flows'
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Codimension Two Bifurcation Observed in a Phase Converter Circuit
Hiroyuki KITAJIMA Tetsuya YOSHINAGA Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/10/25
Vol. E79-A  No. 10  pp. 1563-1567
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications (NOLTA))
Category: Nonlinear Circuits and Bifurcation
Keyword: 
codimension two bifurcationcodimension three bifurcationcoupled systemnonlinear dynamical system
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Bifurcation Phenomena in the Josephson Junction Circuit Coupled by a Resistor
Tetsushi UETA Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/10/25
Vol. E79-A  No. 10  pp. 1546-1550
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications (NOLTA))
Category: Nonlinear Circuits and Bifurcation
Keyword: 
Josephson junctionpendulumfrictional clutchbifurcationchaos
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Symmetry Breaking and Recovering in a System of n Hybridly Coupled Oscillators
Olivier PAPY Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/10/25
Vol. E79-A  No. 10  pp. 1568-1574
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications (NOLTA))
Category: Nonlinear Circuits and Bifurcation
Keyword: 
bifurcationsymmetry breakingoriented coupling
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Synchronization and Chaos of Coupled Duffing-Rayleigh Oscillators
Tatsuya MIHARA Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/10/25
Vol. E79-A  No. 10  pp. 1581-1586
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications (NOLTA))
Category: Nonlinear Circuits and Bifurcation
Keyword: 
coupled Duffing-Rayleigh oscillatorbifurcationsynchronizationchaos
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Symmetrical Properties and Bifurcations of the Equilibria for a Resistively Coupled Oscillator with Hybrid Connection
Olivier PAPY Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/12/25
Vol. E78-A  No. 12  pp. 1822-1827
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
symmetrybifurcationclassificationequilibrium
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Symmetrical Properties and Bifurcations of the Periodic Solutions for a Hybridly Coupled Oscillator
Olivier PAPY Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/12/25
Vol. E78-A  No. 12  pp. 1816-1821
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
symmetrybifurcationclassificationperiodic solutions
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Bifurcations in a Coupled Rössler System
Tetsuya YOSHINAGA Hiroyuki KITAJIMA Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/10/25
Vol. E78-A  No. 10  pp. 1276-1280
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and Its Applications)
Category: 
Keyword: 
Rössler circuitcoupled oscillatorcoupled mapnonlinear dynamical system
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A Study of the Pendulum Equation with a Periodic Impulsive Force--Bifurcation and Control--
Tetsushi UETA Hiroshi KAWAKAMI Ikuro MORITA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/10/25
Vol. E78-A  No. 10  pp. 1269-1275
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and Its Applications)
Category: 
Keyword: 
impulsive forcebifurcationcontrolling chaosstepping motor
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Resistively Coupled Oscillators with Hybrid Connection
Mozammel HOQUE Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/09/25
Vol. E78-A  No. 9  pp. 1253-1256
Type of Manuscript:  LETTER
Category: Nonlinear Problems
Keyword: 
coupled oscillatorsynchronizationbi-stablein-phaseanti-phasestability
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Composite Dynamical System for Controlling Chaos
Tetsushi UETA Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/06/25
Vol. E78-A  No. 6  pp. 708-714
Type of Manuscript:  PAPER
Category: Systems and Control
Keyword: 
controlling chaosPoincar mapping stabilizationdestabilization
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Resistively Coupled Wien Bridge Oscillators
Mozammel HOQUE Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/04/25
Vol. E78-A  No. 4  pp. 498-505
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
coupled oscillatorsynchronizationin phase modeanti-phase modephase stability
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Controlling the Stability of Resistively Coupled Oscillators
Mozammel HOQUE Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/04/25
Vol. E78-A  No. 4  pp. 541-544
Type of Manuscript:  LETTER
Category: Nonlinear Problems
Keyword: 
coupled oscillatorsynchronizationin-phase modeanti-phase modephase stability
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Bifurcation of an Inductively Coupled Josephson Junction Circuit
Tetsushi UETA Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/11/25
Vol. E77-A  No. 11  pp. 1758-1763
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and Its Applications)
Category: Analysis of Nonlinear Circuits and Systems
Keyword: 
Josephson junctionbifurcationcaterpillar solution
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Bifurcations of Quasi–Periodic Responses in Coupled van der Pol Oscillators with External Force
Tetsuya YOSHINAGA Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/11/25
Vol. E77-A  No. 11  pp. 1783-1787
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and Its Applications)
Category: Bifurcation of van der Pol Oscillators
Keyword: 
bifurcationvan der Pol equationaveraging methodcoupled oscillatorsquasi–periodic solution
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Response of PLL Demodulator by Two Sinusoidal Inputs
Takahiro OIE Tadamitsu IRITANI Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/11/25
Vol. E77-A  No. 11  pp. 1771-1776
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and Its Applications)
Category: Analysis of Phase Locked Loops
Keyword: 
phase locked loopfrequency shift keyingdemodulationfrequency hopped spread spectrum
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Bifurcations of the Quasi–Periodic Solutions of a Coupled Forced van der Pol Oscillator
Olivier PAPY Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/11/25
Vol. E77-A  No. 11  pp. 1788-1793
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and Its Applications)
Category: Bifurcation of van der Pol Oscillators
Keyword: 
bifurcationvan der Pol equationquasi–periodic solution
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On a Hysteresis Oscillator Including Periodic Thresholds
Ken'ichi KOHARI Toshimichi SAITO Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/12/25
Vol. E76-A  No. 12  pp. 2102-2107
Type of Manuscript:  PAPER
Category: Nonlinear Circuits and Systems
Keyword: 
relaxation oscillatorsynchronizationhysteresispiecewise-linear systemtorus
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Mode Bifurcations in Diffusively Coupled Van der Pol Equations
Tetsuya YOSHINAGA Hiroshi KAWAKAMI Kenichi YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1991/06/25
Vol. E74-A  No. 6  pp. 1420-1427
Type of Manuscript:  Special Section PAPER (Special Issue on Nonlinear Theory and Its Applications)
Category: 
Keyword: 
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Codimension Two Bifurcation Problems in Forced Nonlinear Circuits
Tetsuya YOSHINAGA Hiroshi KAWAKAMI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/06/25
Vol. E73-E  No. 6  pp. 817-824
Type of Manuscript:  Special Section PAPER (Special Issue on Engineering Chaos)
Category: Chaos in Electrical Circuits
Keyword: 
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