Sabri Cetinkunt

About

Sabri Cetinkunt is a robotics and control systems researcher whose career has been defined by pioneering work on the dynamics and control of flexible robotic manipulators. His most influential contribution, "Symbolic Modeling and Dynamic Simulation of Robotic Manipulators with Compliant Links and Joints" (1989, 52 citations), established foundational methods for analyzing how structural flexibility affects robot behavior—a critical concern when manipulators operate at high speeds, carry large payloads, or span large scales. Building on this, Cetinkunt developed computer-automated symbolic modeling tools using the REDUCE programming environment, enabling systematic dynamic equation generation for complex chain-structured robots without manual derivation. A recurring theme throughout his work is the challenge of bridging infinite-dimensional physical reality with finite-dimensional control implementations. His research rigorously examined when rigid-body assumptions break down, quantified accuracy trade-offs in reduced-order models, and proposed adaptive control strategies—including predictive adaptive algorithms and lattice filter-based parameter identification—to maintain precise tip positioning in flexible arms. His contributions to near-optimum trajectory planning further demonstrated practical pathways to minimizing vibration-induced errors in real manufacturing applications. With a body of work spanning trajectory optimization, discrete-time control, and model reference adaptive systems, Cetinkunt's research has meaningfully shaped how engineers approach the design and control of compliant robotic systems.

Research Focus

Key Achievements

Top Papers

1. 1
   Symbolic modeling and dynamic simulation of robotic manipulators with compliant links and joints

   52 citations · 1989
2. 2
   Computer-automated symbolic modeling of dynamics of robotic manipulators with flexible links

   23 citations · 1992
3. 3
   Flexibility effects on the control system performance of large scale robotic manipulators

   16 citations · 1990
4. 4
   Discrete-Time Tip Position Control of a Flexible One Arm Robot

   11 citations · 1992
5. 5
   Near optimum control of flexible robot arms on fixed paths

   11 citations · 1985
6. 6
   Tip position control of a flexible one-arm robot with predictive adaptive output feedback implemented with lattice filter parameter identifier

   9 citations · 1990
7. 7
   Output predictive adaptive control of a single-link flexible arm

   9 citations · 1991
8. 8
   Position error compensation of robotic contour end-milling

   8 citations · 1990
9. 9
   Accuracy of finite dimensional dynamic models of flexible manipulators for controller design

   7 citations · 1992
10. 10
    Model reference adaptive inverse control of a single link flexible robot

    4 citations · 1993

Key Collaborators

Contact & Links