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Authors: Marco Santos ; Jorge Ferreira and José Simões

Affiliation: University of Aveiro, Portugal

ISBN: 978-989-8111-99-9

Keyword(s): Servo-pneumatics, Fuzzy control, PI control, Hybrid fuzzy P+I control, High position accuracy, Biomechanical devices, Fatigue tests, Instrumented hip joint prosthesis.

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Computational Intelligence ; Control and Supervision Systems ; Distributed Control Systems ; Fuzzy Control ; Fuzzy Systems ; Informatics in Control, Automation and Robotics ; Intelligent Control Systems and Optimization ; Real-Time Systems Control ; Robotics and Automation ; Signal Processing, Sensors, Systems Modeling and Control ; Soft Computing

Abstract: This paper proposes a hybrid fuzzy P+I controller for a servo-pneumatic machine to perform and monitor tests on biomechanical devices, such as orthopaedic prosthesis. The methodology followed is based upon the CompactRIO®, a real-time platform, and the system was fully programmed using LabVIEW language. Separate algorithms of a PI, proportional fuzzy and hybrid fuzzy P+I controllers were developed and compared. The performance of the overall system has already been tested and the experimental results for position control show that the PI controller can reach 2 µm of accuracy but with a very slow rise time. However, the same accuracy can be achieved with Hybrid Fuzzy P+I controller, although with a fast rise time and neglected overshoot. The authors can conclude that this proposal can successfully overcome unknown nonlinear parameters of the pneumatic system and has high position control accuracy.

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Paper citation in several formats:
Santos M.; Ferreira J.; Simões J. and (2009). POSITION CONTROL OF A SERVO-PNEUMATIC SYSTEM - Hybrid Fuzzy P+I Controller of a Servo-Pneumatic Fatigue Simulator.In Proceedings of the 6th International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO, ISBN 978-989-8111-99-9, pages 234-239. DOI: 10.5220/0002210802340239

@conference{icinco09,
author={Marco Santos and Jorge Ferreira and José Simões},
title={POSITION CONTROL OF A SERVO-PNEUMATIC SYSTEM - Hybrid Fuzzy P+I Controller of a Servo-Pneumatic Fatigue Simulator},
booktitle={Proceedings of the 6th International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO,},
year={2009},
pages={234-239},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002210802340239},
isbn={978-989-8111-99-9},
}

TY - CONF

JO - Proceedings of the 6th International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO,
TI - POSITION CONTROL OF A SERVO-PNEUMATIC SYSTEM - Hybrid Fuzzy P+I Controller of a Servo-Pneumatic Fatigue Simulator
SN - 978-989-8111-99-9
AU - Santos, M.
AU - Ferreira, J.
AU - Simões, J.
PY - 2009
SP - 234
EP - 239
DO - 10.5220/0002210802340239

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