Chelliah Sriskandarajah

About

Chellaiah Sriskandarajah is a distinguished operations research scholar whose career has been defined by groundbreaking contributions to robotic cell scheduling and combinatorial optimization. His work fundamentally advanced the understanding of how robots and machines can be coordinated in automated manufacturing environments to maximize throughput and minimize cycle times. His most celebrated contribution, "Sequencing of Parts and Robot Moves in a Robotic Cell" (1992, 296 citations), established foundational principles for optimizing robot movement sequences in industrial cells — a problem with enormous practical relevance in semiconductor and discrete-parts manufacturing. Building on this, Sriskandarajah developed comprehensive classification frameworks for robotic cell scheduling, explored complexity boundaries, and extended analyses to dual-gripper robots, parallel machines, and multiple-robot configurations, collectively accumulating hundreds of citations across the field. Beyond robotic systems, his review connecting Traveling Salesman Problem approaches to flowshop scheduling (2005, 96 citations) demonstrated his broad algorithmic reach. His 2007 monograph on throughput optimization synthesized decades of rigorous research into an authoritative reference. With over 1,100 citations across his top works alone, Sriskandarajah's research continues to serve as essential reading for anyone working at the intersection of manufacturing automation, scheduling theory, and combinatorial optimization.

Research Focus

Key Achievements

Top Papers

1. 1
   Sequencing of parts and robot moves in a robotic cell

   296 citations · 1992
2. 2
   Scheduling in Robotic Cells: Classification, Two and Three Machine Cells

   136 citations · 1997
3. 3
   Throughput Optimization in Robotic Cells

   117 citations · 2007
4. 4
   Scheduling in robotic cells: Complexity and steady state analysis

   103 citations · 1998
5. 5
   A review of TSP based approaches for flowshop scheduling

   96 citations · 2005
6. 6
   Scheduling in dual gripper robotic cells for productivity gains

   91 citations · 2001
7. 7
   Scheduling Multiple Parts in a Robotic Cell Served by a Dual-Gripper Robot

   76 citations · 2004
8. 8
   Scheduling in Robotic Cells: Heuristics and Cell Design

   65 citations · 1999
9. 9
   Increasing Throughput for Robotic Cells With Parallel Machines and Multiple Robots

   62 citations · 2004
10. 10
    Scheduling large robotic cells without buffers

    60 citations · 1998

Key Collaborators

Contact & Links