Authors:
Simona-Daiana Stiole
1
;
Pusca Alexandru
1
;
Paul Tucan
1
;
Iuliu Nadas
1
;
Vasile Bulbucan
1
;
Andrei Cailean
1
;
Dragos Sebeni
1
;
Alexandru Banica
1
;
Daniela Jucan
1
;
Radu Morariu
1
;
Calin Vaida
1
;
Petru Dobra
1
;
Jose Machado
2
;
1
and
Doina Pisla
1
;
3
Affiliations:
1
CESTER Research Center for Industrial Robots Simulation and Testing, Technical University of Cluj-Napoca, Memorandumului 28, 400114 Cluj-Napoca, Romania
;
2
MEtRICs Research Center, Campus of Azurém, University of Minho, 4800-058, Guimarães, Portugal
;
3
Technical Sciences Academy of Romania, B-dul Dacia, 26, 030167, Bucharest, Romania
Keyword(s):
Wrist Rehabilitation Robot, Robot Design, Kinematic, Dynamic Model, Cost-Effective Robotic, Tracking Control.
Abstract:
This paper presents the design and control of a cost-effective wrist rehabilitation robot with the aim of providing an accessible and scalable solution for patients in need of upper-limb motor recovery. The primary goal is to create a compact system that can support repetitive and controlled wrist movements, particularly for individuals recovering from stroke. The robot’s mechanical structure, forward kinematic model and dynamic model were defined to minimize cost without compromising essential therapeutic functionality. Three control strategies were implemented and evaluated in simulation, including Independent Joint Control, Linear Quadratic Regulator, and an observer-based version using a Luenberger estimator for situations where only position sensors are available. These simulations serve to assess the feasibility of each control method in terms of performance, complexity, and compatibility with low-cost components for future hardware development.