Journal: International Journal of Systems Science

Found 183 papers in total
On a single server queue with two-stage heterogeneous service and deterministic server vacations
On a single server queue with two-stage heterogeneous service and deterministic server vacations
2001,
We analyse a single server queue with Poisson arrivals, two stages of heterogeneous...
Detection of change points in time series analysis with fuzzy statistics
Detection of change points in time series analysis with fuzzy statistics
2001,
Changes in time series often occur gradually so that there is a certain amount of...
Optimal hedging point control for a failure-prone manufacturing system
Optimal hedging point control for a failure-prone manufacturing system
2001,
This paper considers a manufacturing system with multiple operational modes producing...
Limits to human optimization in inspection performance
Limits to human optimization in inspection performance
2001,
As inspection moves from unaided human skills to human–computer hybrid tasks,...
Mixture inventory model with back orders and lost sales for variable lead time demand with the mixtures of normal distribution
Mixture inventory model with back orders and lost sales for variable lead time demand with the mixtures of normal distribution
2001,
In recent papers by Ben-Daya and Raouf and by Ouyang et al. a continuous review...
A return-on-inventory-investment maximization model for intermediate firms
A return-on-inventory-investment maximization model for intermediate firms
2001,
In a channel distribution system, the function of an intermediate firm is to purchase...
An approximation to a dynamic inventory model for repairable items
An approximation to a dynamic inventory model for repairable items
2001,
This paper examines a repairable-item inventory problem and introduces an acceleration...
An inventory model for deteriorating items with partial backlogging and permissible delay in payments
An inventory model for deteriorating items with partial backlogging and permissible delay in payments
2001,
The paper deals with an inventory model with a varying rate of deterioration and...
A production lot size inventory model for deteriorating items with time-varying demand
A production lot size inventory model for deteriorating items with time-varying demand
2001,
This paper presents a production lot size model for deteriorating items with...
Inventory models with back-order discounts and variable lead time
Inventory models with back-order discounts and variable lead time
2001,
For inventory problems with stock-out under probabilistic demands, most of the...
An economic order quantity model for deteriorating items with time-dependent deterioration rate, demand rate, unit production cost and shortages
An economic order quantity model for deteriorating items with time-dependent deterioration rate, demand rate, unit production cost and shortages
2001,
An order level inventory model is developed for a deteriorating item with a linear...
Optimal portfolio selection of assets with transaction costs and no short sales
Optimal portfolio selection of assets with transaction costs and no short sales
2001,
In this paper we study the optimal portfolio selection problem for assets. A...
A generalized age replacement policy with random delivery time and inspection
A generalized age replacement policy with random delivery time and inspection
2001,
This paper is concerned with an age replacement policy that is more general because...
Optimal replacement policy for a deteriorating production system with preventive maintenance
Optimal replacement policy for a deteriorating production system with preventive maintenance
2001,
This paper presents a new policy for determining the optimal replacement time of a...
An optimal batch size under a periodic delivery policy
An optimal batch size under a periodic delivery policy
2001,
This paper addresses the problem of a manufacturing system that procures raw materials...
Minimizing the total flow time and the tardiness in a two-machine flow shop
Minimizing the total flow time and the tardiness in a two-machine flow shop
2001,
This paper is concerned with the two-criteria problem in a two-machine flow shop. The...
Scheduling problem in a two-machine flow line with the N-step prior-job-dependent set-up times
Scheduling problem in a two-machine flow line with the N-step prior-job-dependent set-up times
2001,
The purpose of this study is to develop effective scheduling methodologies for the...
Dynamic optimal control policy in advertising price and quality
Dynamic optimal control policy in advertising price and quality
2001,
This study presents an algorithm for deriving the long-term policies of quality level,...
The use of simulation in discrete-event dynamic systems design
The use of simulation in discrete-event dynamic systems design
2000,
The use of simulation as a tool to design complex stochastic systems is often...
Comparisons of nonhomogeneous Poisson process software reliability models and its applications
Comparisons of nonhomogeneous Poisson process software reliability models and its applications
2000,
In this paper, existing software reliability models based on an nonhomogeneous Poisson...
A single-period perishable inventory model where deterioration begins at a random point in time
A single-period perishable inventory model where deterioration begins at a random point in time
2000,
This paper develops a single-period inventory model where the stock begins to...
Implementing an optimal policy for set-up time reduction in an economic production quantity model
Implementing an optimal policy for set-up time reduction in an economic production quantity model
2000,
An economic production quantity (EPQ) system consisting of single and multiple items...
An economic order quantity model for deteriorating items with time-varying demand and shortages
An economic order quantity model for deteriorating items with time-varying demand and shortages
2000,
The study explores the inventory replenishment policies for the cases with...
An economic order quantity inventory model with time-varying demand and Weibull deterioration with shortages
An economic order quantity inventory model with time-varying demand and Weibull deterioration with shortages
2000,
An inventory model is considered in which inventory is depleted not only by demand,...
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