Lei Lei

Lei Lei

Information about the author Lei Lei will soon be added to the site.
Found 14 papers in total
Simulation of complex regional technology innovation ecosystem under resource constraints
Simulation of complex regional technology innovation ecosystem under resource constraints
2016
The development of a regional technological innovation ecosystem (RTIE)...
Supply chain scheduling with receiving deadlines and non-linear penalty
Supply chain scheduling with receiving deadlines and non-linear penalty
2015
We study the operations scheduling problem with delivery deadlines in a...
Production scheduling with history-dependent setup times
Production scheduling with history-dependent setup times
2012
We consider a parallel-machine scheduling problem with jobs that require setups. The...
On the integrated production and distribution problem with bidirectional flows
On the integrated production and distribution problem with bidirectional flows
2009
The integrated production and distribution problem with bidirectional flows is a...
The Integrated Production and Transportation Scheduling Problem for a Product with a Short Lifespan
The Integrated Production and Transportation Scheduling Problem for a Product with a Short Lifespan
2008
The integrated production and transportation scheduling problem (PTSP) with capacity...
A zero-inventory production and distribution problem with a fixed customer sequence
A zero-inventory production and distribution problem with a fixed customer sequence
2008
In this paper, we study the zero-inventory production and distribution problem with a...
Scheduling vessels and container-yard operations with conflicting objectives
Scheduling vessels and container-yard operations with conflicting objectives
2008
We consider the problem of coordinating the operations of two supply chain partners: a...
Multiple-project scheduling with controllable project duration and hard resource constraint: Some solvable cases
Multiple-project scheduling with controllable project duration and hard resource constraint: Some solvable cases
2001
In many large-scale project scheduling problems, multiple projects are either taking...
Optimal cyclic scheduling of a robotic processing line with two-product and time-window constraints
Optimal cyclic scheduling of a robotic processing line with two-product and time-window constraints
2001
In this study, we develop effective optimization algorithms for solving the problem of...
A bounding scheme for deriving the minimal cycle time of a single-transporter N-stage process with time-window constraints
A bounding scheme for deriving the minimal cycle time of a single-transporter N-stage process with time-window constraints
1994
Many multi-stage processes employ programmed transporters to move jobs between stages...
Current trends in deterministic scheduling
Current trends in deterministic scheduling
1997
Scheduling is concerned with allocating limited resources to tasks to optimize certain...
Minimizing the fleet size with dependent time-window and single-track constraints
Minimizing the fleet size with dependent time-window and single-track constraints
1993
This paper considers the problem of determining a cyclic schedule that minimizes the...
Determining the optimal starting times in a cyclic schedule with a given route
Determining the optimal starting times in a cyclic schedule with a given route
1993
This paper introduces a binary search procedure that determines the optimal integer...
The minimum common-cycle algorithm for cyclic scheduling of two material handling hoists with time window constraints
The minimum common-cycle algorithm for cyclic scheduling of two material handling hoists with time window constraints
1991
The problem of cyclic scheduling of two hoists is defined as follows. There are...
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