Işıtman, Oğulcan
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Isitman, O.
O. Isitman
Isitman, Ogulcan.
O. Isitman
Isitman, Ogulcan.
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01. Izmir Institute of Technology
Status
Former Staff
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Sustainable Development Goals
1NO POVERTY
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2ZERO HUNGER
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3GOOD HEALTH AND WELL-BEING
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4QUALITY EDUCATION
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5GENDER EQUALITY
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6CLEAN WATER AND SANITATION
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7AFFORDABLE AND CLEAN ENERGY
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8DECENT WORK AND ECONOMIC GROWTH
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9INDUSTRY, INNOVATION AND INFRASTRUCTURE
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10REDUCED INEQUALITIES
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11SUSTAINABLE CITIES AND COMMUNITIES
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12RESPONSIBLE CONSUMPTION AND PRODUCTION
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13CLIMATE ACTION
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14LIFE BELOW WATER
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15LIFE ON LAND
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16PEACE, JUSTICE AND STRONG INSTITUTIONS
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17PARTNERSHIPS FOR THE GOALS
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Scholarly Output
5
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0
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4447/2919
Supervised MSc Theses
1
Supervised PhD Theses
0
WoS Citation Count
1
Scopus Citation Count
2
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0
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0
WoS Citations per Publication
0.20
Scopus Citations per Publication
0.40
Open Access Source
5
Supervised Theses
1
| Journal | Count |
|---|---|
| Advances in Mechanism and Machine Science: IFToMM World Congress on Mechanism and Machine Science | 1 |
| Mechanisms, Transmissions and Applications, IFToMM 2017 | 1 |
| New Trends in Medical and Service Robotics | 1 |
| TOK 2016 Bildiriler Kitabı | 1 |
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5 results
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Now showing 1 - 5 of 5
Conference Object Neuroboscope Sisteminin Model Tabanlı Sınaması(Otomatik Kontrol Türk Milli Komitesi, 2016) Uzun, Bengisu; Ayav, Tolga; Dede, Mehmet İsmet Can; Berker, Mustafa; Işıkay, İlkay; Hanalioğlu, Şahin; Özdemirel, Barbaros; Kiper, Gökhan; Tatlıcıoğlu, Enver; Maaroof, Omar W.; Işıtman, Oğulcan; Ateş, Gizem; Yaşır, AbdullahNeuRoboScope projesinde, endoskopik hipofiz cerrahisinde kullanılan optik-kamera sisteminin, cerrahın kullandığı cerrahi aletleri takip ederek yönlendirilmesini amaçlayan emniyet kritik bir sistemin tasarlanması amaçlanmıştır. Bu bildiri, sistem gereksinimleri üzerinden tüm sistemin modellenmesini ve oluşturulan bu modelin sınanmasını ele almaktadır. Böylece, tasarım evresinden önce tasarımın dayanağı olan sistem gereksinimlerinin doğrulanması hedeflenmiştir. Sistem bir zamanlı otomat ağı olarak modellenmiş ve UPPAAL model sınama aracı kullanılarak, sistemin başta emniyet kritik olmak üzere diğer önemli özellikleri sınanmıştır.Master Thesis Compliant Control of a Teleoperated Endoscope Robot(Izmir Institute of Technology, 2018) Işıtman, Oğulcan; Dede, Mehmet İsmet CanWith the development of the technology, robots are started to be used in many medical application including minimally invasive surgery to overcome disadvantages of conventional open surgery procedures. This thesis is a part of the research project called “Robot-assisted endoscope control that can be controlled by the surgical tools (NeuRobo- Scope)” for the minimally invasive endoscopic pituitary gland tumor surgery side. During the procedure, endoscope is handled by a robot which moves the endoscope in the human nasal cavity and the movement of the endoscope is constrained by soft tissues. Another operation scenario is the positioning of the endoscope by the surgeon backdriving the endoscope holder robot. In the scope of this thesis, two research problems are addressed which are controlling the interaction between (1) surgeon - robot and (2) robot - soft tissue. First, the interaction of the surgeon and the robot is studied. Effects of the compliant controller parameters are experimentally tested by using a single degree of freedom non-backdrivable experimental set-up. A task is defined to quantitatively compare the effect of the controller parameters on the performance in terms of the energy efficiency and the accuracy. The second research problem involves human nasal tissue modeling in order to design an accurate controller. To acquire data from the human cadaver, a new hand-held measurement device is designed. The external forces and moments and the soft tissue models are obtained in an ex-vivo experiment. After the soft tissue models are identified, a modified interaction control is proposed for the teleoperated endoscope holder robot. The defined surgery procedure is tested with the proposed interaction controller via single degree-of-freedom experimental set-up. Experiments of the proposed controllers were successful for the defined operation scenario and the results show that it is possible to realize the motion control of the surgical robots in a constrained environment.Book Part Citation - WoS: 1Citation - Scopus: 2Viscoelastic Modeling of Human Nasal Tissues With a Mobile Measurement Device(Springer, 2019) Işıtman, Oğulcan; Ayit, Orhan; Vardarlı, Eren; Hanalioğlu, Şahin; Işıkay, İlkay; Berker, Mustafa; Dede, Mehmet İsmet CanModeling the dynamic of tool-tissue interaction for the robotic minimally invasive surgeries is one of the main issues for designing appropriate robot controllers. A mobile measurement device is produced in order to model some nasal tissues of a human. This mobile device is a hand-held one which measures the applied moments and relative angular displacements about a fixed pivot point. The ex-vivo measurements are realized by surgeons on a relatively fresh human cadaver head. The tip of the nose and the nasal concha are the two tissues that are investigated. In this study, five different viscoelastic models are considered; Elastic, Kelvin- Voight, Kelvin-Boltzmann, Maxwell and Hunt-Crossley. The results are evaluated and cross-validated on each data set. Hunt-Crossley and Kelvin-Boltzmann models provided the minimum root-mean-square (RMS) error among the other models.Book Part Control Methods for a Teleoperated Endoscope Robot(Springer Verlag, 2019) Işıtman, Oğulcan; Dede, Mehmet İsmet CanIn this study, control of a endoscope robot for the pituitary gland surgery is presented. This co-worker robot has non-backdrivable actuation system with external brakes on the actuators. Since it is required to move in a constrained environment, which is the inside the nostrils in this case, modifications are required for the motion controller. In order to provide safe procedure, the maximum force and torque limits are defined for the real surgical case by using human cadaver head. By considering these limits and application specific requirements, a compliance controller is proposed and experimentally tested.Conference Object The Effects of Admittance Term on Back-Drivability(Springer, 2018) Işıtman, Oğulcan; Ayit, Orhan; Dede, Mehmet İsmet CanIn the design of kinesthetic haptic devices, there are mainly impedance type and admittance type device. In a customary scenario, the human operator back-drives the haptic device by holding and providing motion to the handle of the haptic device. If the type of transmission system does not allow passive back-drivability, then the back-drivability is satisfied by the use of an admittance controller. This type of a haptic device is said to have admittance structure. The selection of the admittance term in this controller plays a critical part in the task execution performance. Determination of this term is not trivial and the optimal parameters depend on not only the key performance criteria but also on the human operator. An experimental study is carried out in this work to determine the effect of the admittance term parameters on the performance of human operators in terms of the energy efficiency and the best accuracy. In this paper, the experimental set-up and the results of the experiments are presented and discussed.