Browsing by Author "Uğurlu, Regaip Barkan"
Now showing items 21-40 of 53
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Dexterous manipulation with a robotic hand
Kaya, Osman (2017-06)In robotics, flexible and the dexterous manipulation are one of the most desired type of skills. To this end, we investigate dexterous manipulation skills on an anthropomorphic robot hand. In the first part of the study, ... -
Discussing modernizing engineering education through the Erasmus + Project Titled "Open Educational Resources on Enabling Technologies in Wearable and Collaborative Robotics (WeCoRD)
Kılıç-Bebek, Ebru; Nizamis, K.; Karapars, Gülhis Zeynep; Gökkurt, Muharrem Ali; Ünal, Ramazan; Bebek, Özkan; Vlutters, M.; Vander Poorten, E.; Borghesan, G.; Decré, W.; Aertbelien, E.; Borisova, O.; Borisov, I.; Kolyubin, S.; Kodal, M. I.; Uğurlu, Regaip BarkanThe Erasmus + project titled “Open Educational Resources on Enabling Technologies in Wearable and Collaborative Robotics (WeCoRD)", can serve as a model to establish strategic international and multidisciplinary partnerships ... -
Efficient methodologies for actualizing haptic feedback in consumer electronics
Kirişken, Barbaros (2021-06-11)There are significant limitations to creating effective haptic illusions in mobile devices such as tablets and smartphones. The main limitations are that these devices are too small in size to accommodate complex actuators ... -
Environmental force estimation for a robotic hand : compliant contact detection
Kaya, Osman; Yıldırım, Mehmet Can; Kuzuluk, Nisan; Çiçek, Emre; Bebek, Özkan; Öztop, Erhan; Uğurlu, Regaip Barkan (IEEE, 2015)This paper presents a model based compensation method to enable environmental force estimation for a robotic hand with no tactile or force sensors. To this end, we utilize multi-joint robot dynamics and disturbance observer ... -
An experimental study of a bluetooth communication system for robot motion control
Dalgiç, Oğuzhan; Tekin, Ahmet; Uğurlu, Regaip Barkan (IEEE, 2019)This paper presents a method that aims to reduce the complex cabling problem in robotics applications, so as to prevent difficulties in troubleshooting processes and failures in case of cable breaks. Examples in the ... -
Force reference extraction via human interaction for a robotic polishing task: Force-induced motion
In this paper, a method to control a manipulator using force-induced trajectory is proposed. The trajectory is learned from an operator doing the polishing task using a tool attached to the robot's end-effector. The learning ... -
Free simulation software and library
Uğurlu, Regaip Barkan; Ivaldi, S. (Springer, 2018-01-01)With the advent of powerful computation technologies and efficient algorithms, simulators became an important tool in most engineering areas. The field of humanoid robotics is no exception; there have been numerous simulation ... -
High power series elastic actuator development for torque-controlled exoskeletons
Yıldırım, Mehmet Can; Kansızoğlu, Ahmet Talha; Şendur, Polat; Uğurlu, Regaip Barkan (Springer Nature, 2019)This paper presents the development procedures of a high power series elastic actuator that can be used in torque-controlled exoskeleton applications as a high-fidelity torque source. In order to provide a high torque ... -
A high-torque density compliant actuator design for physical robot environment interaction
Dunwoodie, E.; Mutlu, R.; Uğurlu, Regaip Barkan; Yıldırım, Mehmet Can; Uzunovic, T.; Sariyildiz, E. (IEEE, 2020)Compared to the traditional industrial robots that use rigid actuators, the advanced robotic systems are mobile and physically interact with unknown and dynamic environments. Therefore, they need intrinsically safe and ... -
An integrated design approach for a series elastic actuator: Stiffness formulation, fatigue analysis, thermal management
Yıldırım, Mehmet Can; Şendur, Polat; Bilgin, Onur; Gülek, Berk; Yapıcı, Güney Güven; Uğurlu, Regaip Barkan (IEEE, 2017-12-22)This paper presents an integrated mechanical design approach for the long-Term and repetitive use of series elastic actuators (SEAs). Already, computational models for series elastic actuator design have been developed in ... -
Learning to exploit passive compliance for energy-efficient gait generation on a compliant humanoid
Kormushev, P.; Uğurlu, Regaip Barkan; Caldwell, D. G.; Tsagarakis, N. G. (Springer Nature, 2019-01)Modern humanoid robots include not only active compliance but also passive compliance. Apart from improved safety and dependability, availability of passive elements, such as springs, opens up new possibilities for improving ... -
On the EMG-based torque estimation for humans coupled with a force-controlled elbow exoskeleton
Ullauri, J. B.; Petenel, L.; Uğurlu, Regaip Barkan; Yamada, Y.; Morimoto, J. (IEEE, 2015)Exoskeletons are successful at supporting human motion only when the necessary amount of power is provided at the right time. Exoskeleton control based on EMG signals can be utilized to command the required amount of support ... -
Optimal stiffness tuning for a lower body exoskeleton with spring-supported passive joints
Yıldırım, Mehmet Can; Şendur, Polat; Soliman, Ahmed Fahmy; Uğurlu, Regaip Barkan (IEEE, 2018-10-09)This paper presents a framework to optimally tune the stiffness values of spring-supported passive joints that are included in lower body exoskeletons. First, a dynamic model of a combined human-exoskeleton system was ... -
Pattern generation and compliant feedback control for quadrupedal dynamic trot-walking locomotion: experiments on roboCat-1 and hyQ
Uğurlu, Regaip Barkan; Havoutis, I.; Semini, C.; Kayamori, K.; Caldwell, D. G.; Narikiyo, T. (Springer Science+Business Media, 2015-04)In this paper, we introduce a method that synergistically combines an analytical pattern generator and a feedback controller frame, which are developed for the purpose of synthesizing dynamic quadrupedal trot-walking ... -
Preview control-based jumping and spot-jogging trajectory generation for quadruped robots
Özkaynak, İbrahim Burak; Uğurlu, Regaip Barkan (IEEE, 2023)This work presents a vertical center of mass (CoM) trajectory generation approach based on preview control for quadruped robots to accomplish agile locomotion tasks such as jumping and jogging. Conventionally, preview ... -
Proof of concept for robot-aided upper limb rehabilitation using disturbance observers
Uğurlu, Regaip Barkan; Nishimura, M.; Hyodo, K.; Kawanishi, M.; Narikiyo, T. (IEEE, 2015-02)This paper presents a wearable upper body exoskeleton system with a model-based compensation control framework to support robot-aided shoulder-elbow rehabilitation and power assistance tasks. To eliminate the need for EMG ... -
Real-time robust control of a series elastic actuator subject to uncertainties
Kansızoğlu, Ahmet Talha (2018-12-24)Humans are able to perform highly complicated tasks in their daily activities by interacting with the environment. However, for a robotic system, these tasks are quite challenging. To overcome these problems, robotic systems ... -
Robust locomotion control of a self-balancing and underactuated bipedal exoskeleton: Task prioritization and feedback control
Soliman, Ahmed Fahmy; Uğurlu, Regaip Barkan (IEEE, 2021-07)This letter presents a study to understand how an underactuated bipedal exoskeleton with an arbitrary human user can exhibit robust dynamic walking behavior despite severe parameter uncertainty and external disturbances. ... -
Seri elastik eyleyiciler için mekanik tasarım süreçleri
Yıldırım, Mehmet Can; Şendur, Polat; Uğurlu, Regaip Barkan (Pamukkale Üniversitesi, 2019)Bu makalede tork kontrollü robot eklem tahriki için robotik literatüründe sıkça tercih edilen seri elastik eyleyici (SEE) üniteleri için geliştirilen tasarım süreçleri konu edilmiştir. Bilgisayar destekli tasarım ve benzetim ... -
Shoulder glenohumeral elevation estimation based on upper arm orientation
Hamdan, Sara; Öztop, Erhan; Furukawa, J.-I.; Morimoto, J.; Uğurlu, Regaip Barkan (IEEE, 2018-10-26)In this paper, the shoulder glenohumeral displacement during the movement of the upper arm is studied. Four modeling approaches were examined and compared to estimate the humeral head elevation (vertical displacement) and ...
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