Nakagawa Toshio

Toshio Nakagawa

Information about the author Toshio Nakagawa will soon be added to the site.
Found 15 papers in total
What is Middle Maintenance Policy?
What is Middle Maintenance Policy?
2016
The main purpose of this paper is to propose several new maintenance policies that can...
Approximate methods for optimal replacement, maintenance, and inspection policies
Approximate methods for optimal replacement, maintenance, and inspection policies
2015
It might be difficult sometimes to derive theoretical and numerical solutions for...
Reliability analysis of a replication with limited number of journaling files
Reliability analysis of a replication with limited number of journaling files
2013
Recently, replication mechanisms using journaling files have been widely used for the...
Optimal policies for cumulative damage models with maintenance last and first
Optimal policies for cumulative damage models with maintenance last and first
2013
From the economical viewpoint of several combined PM policies in reliability theory,...
Optimal backward and backup policies in reliability theory
Optimal backward and backup policies in reliability theory
2010
We are sometimes faced with the problem of searching for the actual failure time of a...
Replacement and inspection policies for products with random life cycle
Replacement and inspection policies for products with random life cycle
2010
In this paper, we consider maintenance policies for products in which the economical...
Optimal policies for a database system with two backup schemes
Optimal policies for a database system with two backup schemes
2002
This paper considers two backup schemes for a database system: a database is updated...
Comparison of cyclic and delayed maintenances for a phased array radar
Comparison of cyclic and delayed maintenances for a phased array radar
2004
An antenna of phased array radar (PAR) consists of a large number of individual...
An optimal maintenance time of automatic monitoring system of automatic teller machines with two kinds of breakdowns
An optimal maintenance time of automatic monitoring system of automatic teller machines with two kinds of breakdowns
2003
All automatic teller machines (ATMs) in a bank operate unmanned on weekends and...
Determination of loan interest rate considering bankruptcy and mortgage collection costs
Determination of loan interest rate considering bankruptcy and mortgage collection costs
2002
Particularly in Japan, risk management relating to bankruptcy of financed enterprises...
Cumulative damage model with two kinds of shocks and its application to the backup policy
Cumulative damage model with two kinds of shocks and its application to the backup policy
1999
This paper considers an extended cumulative damage model with two kinds of shocks: one...
Extended optimal replacement model with random minimal repair costs
Extended optimal replacement model with random minimal repair costs
1995
This paper proposes a generalized replacement policy where a system has two types of...
Replacement policies of a shock model with imperfect preventive maintenance
Replacement policies of a shock model with imperfect preventive maintenance
1992
This paper applies a sequential preventive maintenance (PM) policy to a cumulative...
Optimal maintenance policy for a database system with additive garbages
Optimal maintenance policy for a database system with additive garbages
1991
It recently needs to maintain a database periodically and economically for the...
A cumulative damage shock model with imperfect preventive maintenance
A cumulative damage shock model with imperfect preventive maintenance
1991
In this article the authors consider a cumulative damage shock model under a periodic...
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