Journals / Journal of Artificial Intelligence and Data Science / 2026 / Cilt: 6 Sayı: 1

Comparative Analysis of Robust, Adaptive, and Neural Network Control of a PUMA 560 Robot Manipulator under Payload Variation

Yük Değişimi Altında PUMA 560 Robot Manipülatörünün Sağlam, Uyarlanabilir ve Sinir Ağı Kontrolünün Karşılaştırmalı Analizi

Sümeyye Cinaslı(IZMIR KATIP CELEBI UNIVERSITY)0009-0007-0170-4877
Meryem Deniz(IZMIR KATIP CELEBI UNIVERSITY)0000-0001-5677-9584
Kamil Çetin(IZMIR KATIP CELEBI UNIVERSITY)0000-0003-1029-5626
Pages
76–95
Publication Date
2026-06-29
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Among the uncertainty-tolerant controllers, the neural network controller achieved the lowest overall RMS tracking error while preserving smooth and bounded torque responses, indicating strong nonlinear approximation and online learning capability.

📌 3 Key Takeaways

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Objective & Hypothesis:Robot manipulators are required to operate under uncertain and time-varying dynamic conditions where payload variations, modeling uncertainties, and external disturbances may significantly affect trajectory tracking performance.
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Key Findings & Data:This study presents a comparative analysis of robust, adaptive, and neural network-based control strategies for a six-degree-of-freedom (6-DOF) PUMA 560 robot manipulator subjected to time-varying payload disturbances.
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Conclusion & Impact:Among the uncertainty-tolerant controllers, the neural network controller achieved the lowest overall RMS tracking error while preserving smooth and bounded torque responses, indicating strong nonlinear approximation and online learning capability.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Gürbüz kontrol · uyarlanabilir kontrol · sinir ağı kontrol

Abstract

Robot manipulators are required to operate under uncertain and time-varying dynamic conditions where payload variations, modeling uncertainties, and external disturbances may significantly affect trajectory tracking performance. This study presents a comparative analysis of robust, adaptive, and neural network-based control strategies for a six-degree-of-freedom (6-DOF) PUMA 560 robot manipulator subjected to time-varying payload disturbances. All controllers were implemented in MATLAB/Simulink and evaluated under identical joint-space reference trajectories and disturbance conditions. During the simulation, the manipulator performs a pick-and-place task in which a 1 kg object is grasped by the end-effector at t = 3 s and released at t = 6 s. Therefore, the payload affects robot dynamics only between 3 s and 6 s. This scenario creates a more realistic time-varying payload condition and allows the disturbance rejection and adaptation capabilities of the controllers to be evaluated under a practical robotic manipulation task. Among the uncertainty-tolerant controllers, the neural network controller achieved the lowest overall RMS tracking error while preserving smooth and bounded torque responses, indicating strong nonlinear approximation and online learning capability. Robust control provided reliable disturbance rejection and stable tracking performance under modeling uncertainty, whereas adaptive control maintained stability through online parameter estimation despite a transient adaptation period. Overall, the results indicate that neural network-based control provides a highly promising intelligent control framework for robotic manipulators operating under nonlinear and uncertain dynamic conditions.

Özet

Robot manipülatörlerinin, yük varyasyonları, modelleme belirsizlikleri ve dış bozulmaların yörünge izleme performansını önemli ölçüde etkileyebildiği belirsiz ve zamana bağlı dinamik koşullar altında çalışması gerekmektedir. Bu çalışma, zamana bağlı yük bozulmalarına maruz kalan altı serbestlik dereceli (6-DOF) bir PUMA 560 robot manipülatörü için sağlam, uyarlanabilir ve sinir ağı tabanlı kontrol stratejilerinin karşılaştırmalı bir analizini sunmaktadır. Tüm kontrolörler MATLAB/Simulink'te uygulandı ve aynı eklem uzayı referans yörüngeleri ve bozulma koşulları altında değerlendirildi. Simülasyon sırasında, manipülatör, t = 3 s'de uç efektör tarafından 1 kg'lık bir nesnenin kavranıp t = 6 s'de bırakıldığı bir alma ve yerleştirme görevi gerçekleştirir. Bu nedenle, yük robot dinamiğini yalnızca 3 s ile 6 s arasında etkiler. Bu senaryo, daha gerçekçi bir zamana bağlı yük koşulu oluşturur ve kontrolörlerin bozulma reddi ve uyarlama yeteneklerinin pratik bir robotik manipülasyon görevi altında değerlendirilmesine olanak tanır. Belirsizliğe dayanıklı kontrolcüler arasında, sinir ağı kontrolcüsü, düzgün ve sınırlı tork tepkilerini korurken en düşük genel RMS izleme hatasını elde etti; bu da güçlü doğrusal olmayan yaklaştırma ve çevrimiçi öğrenme yeteneğini gösteriyor. Sağlam kontrol, modelleme belirsizliği altında güvenilir bozucu etki reddi ve istikrarlı izleme performansı sağlarken, uyarlanabilir kontrol, geçici bir adaptasyon dönemine rağmen çevrimiçi parametre tahmini yoluyla kararlılığı korudu. Genel olarak, sonuçlar, sinir ağı tabanlı kontrolün, doğrusal olmayan ve belirsiz dinamik koşullar altında çalışan robotik manipülatörler için oldukça umut vadeden akıllı bir kontrol çerçevesi sağladığını göstermektedir.

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Cite This Article

Cinaslı, S., Deniz, M., Çetin, K. (2026). Comparative Analysis of Robust, Adaptive, and Neural Network Control of a PUMA 560 Robot Manipulator under Payload Variation. Journal of Artificial Intelligence and Data Science, Cilt: 6 Sayı: 1, 76–95. https://ajindex.com/articles/1618288

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