Robustness evaluation of fuzzy-based NCTF control of point-to-point (PTP) positioning systems

Wahyudi, Wahyudi; Ibrahim, Tarig Faisal; Salami, Momoh Jimoh Eyiomika

doi:10.1109/aim.2007.4412448

Cited by 4 publications

(4 citation statements)

References 15 publications

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“…Robustness evaluation has also been examined to a small step input. The simulation indicated that the robustness against inertia variation was as good as NCTF controller with PI compensator [17]. The experimental results also confirmed effectively NCTF controller with fuzzy compensator can be applied to replace NCTF controller with PI compensator as shown in Fig.…”

Section: B Rotary Systemsupporting

confidence: 80%

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Study review on nominal characteristic trajectory following controller for point-to-point positioning systems

Yakub

Akmeliawati

2012

2012 7th IEEE Conference on Industrial Electronics and Applications (ICIEA)

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This paper introduces study review on nominal characteristic trajectory following (NCTF) controller as a practical controller for point-to-point (PTP) positioning systems. PTP is one type of precision positioning systems that required high accuracy with a high speed, fast response with no or small overshoot and robustness to parameter variations and uncertainties. In PTP applications, parameter varies with the payload and some friction may cause the instability of the performances. In this case, the system performance is expected to be the same or as close as its performance when the system is in normal condition. PTP positioning systems need a good controller to achieve high speed and high precision motion. However, it is not easy to achieve high precision system because of nonlinearities and uncertainties exist in the motion control systems. A NCTF controller as a practical controller for PTP had been proposed. The NCTF controller consists of two elements namely a nominal characteristic trajectory (NCT) and a compensator. It had been reported that the NCTF had a good positioning performance and robustness to parameters variations. Application of NCTF control for PTP positioning systems both for one-mass system or multi-mass system are studied and summarized. Fundamental concept of NCTF controller also explained.

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Section: B Rotary Systemsupporting

confidence: 80%

“…In order to eliminate a trial and error process in PI compensator, a fuzzy-based NCTF control system had been proposed [17]. Its structure consists of an NCT and a fuzzy compensator.…”

Section: B Rotary Systemmentioning

confidence: 99%

Study review on nominal characteristic trajectory following controller for point-to-point positioning systems

Yakub

Akmeliawati

2012

2012 7th IEEE Conference on Industrial Electronics and Applications (ICIEA)

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“…The NCTF control concept designed in [34] and [35,36] are extended for distinctive compensator design approached in a rotary motion system emphasizing on twomass to achieve precise and accurate control performance. Then, the robustness and the positioning of the system are compared by using three different types of compensators designs which are fuzzy logic (FL) control, proportional integral (PI) control, and extended minimal resource allocation network (EMRAN) control.…”

Section: Introductionmentioning

confidence: 99%

Enhancing of nominal characteristic trajectory following control for motion systems

Yakub¹,

Sarip²,

Wijaya

et al. 2017

Journal of Systems Engineering and Electronics

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The goal of this paper is to enhance a practical nominal characteristic trajectory following (NCTF) controller that is specifically designed for two-mass point-to-point positioning systems. A nominal characteristics trajectory contained in the NCTF controller acts as movement/motion reference and a compensator is utilized to force the object to detect and follow the reference/desired trajectory. The object must follow and track closely and should be as fast as possible. The NCTF controller is designed with two different intelligent based compensator approaches which are fuzzy logic and extended minimal resource allocation network. The proposed controller which is NCTF are compared with the conventional proportional integral compensator. Then the results of simulation are discussed for the positioning performances. The inertia variations due to the effect of the design parameters are also assessed to see the robustness of controllers. The results show that the NCTF control method designed from an intelligent based compensator has a better positioning performance in terms of percentage of overshoot, settling time, and steady state error than the classical based compensator.

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“…However, an unlimited PI parameters combination is available from the stable region, thus designer's judgment or try and error approach is needed. With the intention to keep the NCTF controller simple, easier and more practical, NCTF controller with fuzzy compensator had been proposed [10]. The fuzzy compensator replaced PI compensator.…”

Section: Introductionmentioning

confidence: 99%

Contouring Performance Study of a Fuzzy-based Practical Controller on an X-Y Table

Purtojo¹,

Rochardjo²,

Nugroho³

et al. 2014

EECSI

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This article presents a contouring performance of an improved practical fuzzy-based nominal characteristic trajectory following (NCTF) controller. The proposed fuzzybased NCTF controller structure for continuous motion control is slightly different from the normal NCTF controller. It is composed of a nominal characteristic trajectory (NCT) and a fuzzy compensator designed using the practical design approach. Therefore, simple and easy of controller design are maintained. The NCT constructed through establishing procedure and the Mamdani type fuzzy compensator is designed according to the available information provided by NCT and the hardware specification. The contouring performance was evaluated by measuring the response of the system providing circle shape through simulation. The simulation result shows that the controller is promising as a practical controller for continuous motion.

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Robustness evaluation of fuzzy-based NCTF control of point-to-point (PTP) positioning systems

Cited by 4 publications

References 15 publications

Study review on nominal characteristic trajectory following controller for point-to-point positioning systems

Study review on nominal characteristic trajectory following controller for point-to-point positioning systems

Enhancing of nominal characteristic trajectory following control for motion systems

Contouring Performance Study of a Fuzzy-based Practical Controller on an X-Y Table

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