Toshio NAKAGAWA


Which Replacement Is Better at Working Cycles or Number of Failures
Satoshi MIZUTANI Xufeng ZHAO Toshio NAKAGAWA 
Publication:   
Publication Date: 2020/02/01
Vol. E103-A  No. 2  pp. 523-532
Type of Manuscript:  PAPER
Category: Reliability, Maintainability and Safety Analysis
Keyword: 
replacement policiesminimal repairworking cyclereplacement lastreplacement overtime
 Summary | Full Text:PDF(906.2KB)

Overtime Replacement Policies with Finite Operating Interval and Number
Satoshi MIZUTANI Xufeng ZHAO Toshio NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/10/01
Vol. E98-A  No. 10  pp. 2069-2076
Type of Manuscript:  Special Section PAPER (Special Section on Recent Developments on Reliability, Maintainability and Dependability)
Category: 
Keyword: 
overtime replacementmaintenancefinite intervalrandom intervalworking cyclefinite number
 Summary | Full Text:PDF(645.3KB)

Two Generational Garbage Collection Models with Major Collection Time
Xufeng ZHAO Syouji NAKAMURA Toshio NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/07/01
Vol. E94-A  No. 7  pp. 1558-1566
Type of Manuscript:  PAPER
Category: Reliability, Maintainability and Safety Analysis
Keyword: 
garbage collectionmajor collectiontenuring thresholdcumulative processexpected cost
 Summary | Full Text:PDF(507.9KB)

Replacement and Preventive Maintenance Models with Random Working Times
Mingchih CHEN Syouji NAKAMURA Toshio NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/02/01
Vol. E93-A  No. 2  pp. 500-507
Type of Manuscript:  PAPER
Category: Reliability, Maintainability and Safety Analysis
Keyword: 
replacementrandom working timeminimal repairimperfect PMcumulative damage
 Summary | Full Text:PDF(234.2KB)

Random Checkpoint Models with N Tandem Tasks
Toshio NAKAGAWA Kenichiro NARUSE Sayori MAEJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/07/01
Vol. E92-A  No. 7  pp. 1572-1577
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Technologies for Assessing System Reliability)
Category: 
Keyword: 
random checkpointtandem taskthree schemesdouble modulesmajority decision
 Summary | Full Text:PDF(200.9KB)