Dede, Mehmet İsmet Can
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Dede, M. Can
Dede, MIC
Dede, M. I. C.
Dede, Mehmet Ismet Can
Dede, Mehmet İ.Can
Dede, Mehmet I. Can
Dede, Mehmet Can
Dede, Mehmet
Can Dede, M. I.
Can Dede, Mehmet İsmet
Ismet Can Dede, Mehmet
Dede, M.İ. Can
Dede, M. İ.Can
Dede, M. I.Can
Dede, M. I. Can
Dede, M.İ.C.
Dede, M.C.
Dede, M.
Dede, M. İ.C.
Dede, M
Dede, Can
Can Dede, Mehmet Ismet
Dede, MIC
Dede, M. I. C.
Dede, Mehmet Ismet Can
Dede, Mehmet İ.Can
Dede, Mehmet I. Can
Dede, Mehmet Can
Dede, Mehmet
Can Dede, M. I.
Can Dede, Mehmet İsmet
Ismet Can Dede, Mehmet
Dede, M.İ. Can
Dede, M. İ.Can
Dede, M. I.Can
Dede, M. I. Can
Dede, M.İ.C.
Dede, M.C.
Dede, M.
Dede, M. İ.C.
Dede, M
Dede, Can
Can Dede, Mehmet Ismet
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Email Address
candede@iyte.edu.tr
Main Affiliation
03.10. Department of Mechanical Engineering
Status
Current Staff
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Sustainable Development Goals
1NO POVERTY
0
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2ZERO HUNGER
0
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3GOOD HEALTH AND WELL-BEING
1
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4QUALITY EDUCATION
8
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5GENDER EQUALITY
0
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6CLEAN WATER AND SANITATION
1
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7AFFORDABLE AND CLEAN ENERGY
9
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8DECENT WORK AND ECONOMIC GROWTH
3
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9INDUSTRY, INNOVATION AND INFRASTRUCTURE
44
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10REDUCED INEQUALITIES
0
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11SUSTAINABLE CITIES AND COMMUNITIES
1
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12RESPONSIBLE CONSUMPTION AND PRODUCTION
2
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13CLIMATE ACTION
2
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14LIFE BELOW WATER
0
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15LIFE ON LAND
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16PEACE, JUSTICE AND STRONG INSTITUTIONS
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17PARTNERSHIPS FOR THE GOALS
1
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Documents
93
Citations
509
h-index
12
Documents
54
Citations
265
Scholarly Output
144
Articles
36
Views / Downloads
273302/64695
Supervised MSc Theses
31
Supervised PhD Theses
6
WoS Citation Count
273
Scopus Citation Count
452
Patents
2
Projects
7
WoS Citations per Publication
1.90
Scopus Citations per Publication
3.14
Open Access Source
111
Supervised Theses
37
| Journal | Count |
|---|---|
| Mechanism and Machine Theory | 9 |
| Robotica | 8 |
| Mechanisms and Machine Science | 7 |
| Mechanisms and Machine Science -- 3rd International Workshop IFToMM for Sustainable Development Goals, I4SDG 2025 -- 9 June 2025 through 11 June 2025 -- Lamezia Terme -- 332369 | 3 |
| Advances in Mechanism and Machine Science: IFToMM World Congress on Mechanism and Machine Science | 2 |
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Doctoral Thesis Actuation System Design of Kinesthetic Type Haptic Devices(01. Izmir Institute of Technology, 2024) Küçükoğlu, Sefa Furkan; Dede, Mehmet İsmet CanManyetoreolojik sıvı tabanlı (MR) frenler kinestetik tipindeki haptik cihazların eyleyici sistem tasarımında tercih edilmektedir. Fakat MR frenin giriş (akım) ve çıkışı (tork) arasında histeri ilişkisine sahip olması istenmeyen bir özelliktir. Bundan dolayı, MR frenin histeri davranışının modellenmesi için iki gelişmiş ve ileri seviye derin öğrenme yöntemleri kullanılmıştır. Ayrıca eğitim ve test sinyallerinin çeşitliliğini artırmak için ön bir veri işleme adımı önerilmiştir. MR frenin doğrusal olmayan davranışının bir sonucu olan ters histeri içinde bir model önerilmiş ve önerilen model deneysel olarak doğrulanmıştır. Düz ve ters histeri yöntemlerinin doğrulanmasından sonra, bir aktif eyleyici ve bir MR frenden oluşan bir hibrit eyleyici sistem (HES) sunulmuştur. MR frenin kapalı hal torku ve yavaş tepkiye sahip olması gibi diğer kısıtlamaları da incelendi ve bu kısıtlamalar HES tarafından çözüldü. MR frenin geçici rejim davranışı analiz edildi ve bu geçici rejim tepkisini taklit eden bir matematiksel model önerilmiştir. Önerilen matematiksel modelinin performansının geleneksel olarak kullanılan birinci dereceden transfer fonksiyonun performansına kıyasla daha iyi olduğu tespit edilmiştir. Daha sonra HES oluşturulup, aktif eyleyici hem sistemin tepkisini hızlandırmada hem de kapalı hal torkunu elimine etmede kullanılmıştır. Kapalı hal torku; 0.178 Nm'den 0.008 Nm'ye düşürülerek büyük ölçüde ortadan kaldırılmış olup sistemin dinamik aralığı ise 15 dB'den 42.4 dB'e artırılmıştır. Sistemin zaman sabiti sadece MR fren yerine HES kullanıldığında 69.6ms'den 4.4ms'ye geliştirilmiştir.Article Citation - WoS: 24Citation - Scopus: 30Time Efficient Stiffness Model Computation for a Parallel Haptic Mechanism Via the Virtual Joint Method(Elsevier, 2020) Carbone, Giuseppe; Görgülü, İbrahimcan; Dede, Mehmet İsmet CanHaptic devices are used for displaying a range of mechanical impedance values to the user. This impedance is regulated by a real-time control loop depending on the position information of the end-effector, which is usually acquired indirectly by using forward kinematics equations. Nevertheless, the kinematic model is insufficient to obtain accurate values if there are non-negligible compliant displacements. This gives a strong motivation for implementing a real-time stiffness model in the haptic control loop for improving its accuracy. Additionally, stiffness performance indices can be used at the design stage for enhancing the haptic devices impedance range within optimal design procedures. Fast solutions of a stiffness model are required for a real-time control as well as for decreasing the optimization time during a design process with a trade-off between accuracy and computational costs. In this study, we propose a computation time-efficient stiffness analysis of a parallel haptic device mechanism. The accuracy and computational costs of the proposed model are calculated and compared with a model that is obtained via a finite element method to demonstrate the effectiveness of the proposed approach with the desired real-time and accuracy performance. (C) 2019 Elsevier Ltd. All rights reserved.Master Thesis Gravity Compensation of a 2r1t Mechanism With Remote Center of Motion for Minimally Invasive Transnasal Surgery Applications [master Thesis](01. Izmir Institute of Technology, 2021) Aldanmaz, Ataol Behram; Artem, Hatice Seçil; Dede, Mehmet İsmet Can; Artem, Hatice Seçil; Dede, Mehmet İsmet CanIn this work, gravity balancing of a 2URRR-URR parallel manipulator is issued. The manipulator is designed as an endoscope holder for minimally invasive transnasal pituitary gland surgery application. In the surgery, the endoscope is placed through the nostril of the patient where there is a natural path to the pituitary gland. In case of a motor failure, in order to protect the patient and to ease the control of the manipulator static balancing for this manipulator is worked out, the manipulator prototype is balanced and tested. The parallel manipulator has three legs. The payload mass has been distributed to side legs due to workspace limitations. By using counter-mass for two links in each leg, the center of mass of each leg has been reduced to the proximal link which simplified the balancing problem to balancing of a two degree-of-freedom inverted pendulum. By connecting a zero free length spring to the proximal link the total mass of the leg the manipulator has been kept in static balance in its desired workspace. Simulations show that with the applied design, torque effects on the motors have been reduced by 93.5%. Finally, the balancing solution is applied on the manipulator with active motors and the manipulator has been balanced, the torque values mostly has been decreased where the joint clearance, spring tension adjustments and mechanical constraints has affected the results. With the elimination of the joint clearance, mechanical constraints and rearranging the spring tension the required torque could be minimized.Conference Object Pen Holder Design for a Handwriting Education Assistance Robot(Springer Science and Business Media B.V., 2025) Güler, O.; Özdemir, Ekrem; Özdemir, E.; Dede, Mehmet İsmet Can; Balkan, M.A.; Öztürk, Ç.; Dede, M.İ.C.The aim of this work is to contribute to quality education by developing a robot system that can assist in handwriting education. The effects of educational robots on learning motivation and performance enhancement have been proven by various studies. In this context, the handwriting assistive robot aims to ease the work of teachers by enabling students to learn how to write more easily and to provide a platform where students can learn on their own. This robot can contribute to the spread of quality education by supporting equal educational opportunities, especially in disadvantaged areas and in cases where the number of teachers is insufficient. The robot supports three different operation modes: Active Mode, Assistive Mode, and Passive Mode. In this study, the pen holder design of this robot is presented. The final design is suitable for both right- and left-handed users, does not require an additional sensor, and the writing ergonomics is increased by keeping the contact point of the pen with the paper at a constant point independent of the holding style. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2025.Article Citation - WoS: 11Citation - Scopus: 11A New Stiffness Performance Index: Volumetric Isotropy Index(MDPI, 2019) Görgülü, İbrahimcan; Dede, Mehmet İsmet CanA new index for a precise calculation of a manipulator's stiffness isotropy is introduced. The proposed index is compared with the conventionally used stiffness isotropy index by making use of the investigation on R-CUBE manipulator. The proposed index is shown to produce relatively more precise results from which a higher number of isotropic poses are detected.Master Thesis Enhancement of Trajectory Following Accuracy of High Acceleration Robots by Using Their Stiffness Properties(01. Izmir Institute of Technology, 2021) Paksoy, Erkan; Dede, Mehmet İsmet Can; Paksoy, Erkan; Dede, Mehmet İsmet CanIn recent years, there has been a push for the incorporation of robots into manufacturing processes. In general, parallel robots are preferred for processes requiring high repeatability and positioning accuracy. If the positioning accuracy of the end-effector of a robot has high priority, compliance characteristics of the elements of its mechanism should be considered. Due to the high accelerations or external loading on the robot, the dimensions of the elements change and this leads to positioning errors for the end-effector. This thesis describes an experimental test setup and an experimental procedure for determining the compliance characteristics of planar mechanisms, followed by a comparison of the repeatability and stiffness performance of a parallel and an over-constrained mechanism. Finally, assumptions and methodology for using this compliance information to improve the trajectory tracking accuracy of high-accelerated robots are given. Portable coordinate measurement machine and calibrated weights are used to collect compliance information. The compliance behavior of the mechanisms defined for entire workspace by using the least squares and bilinear interpolation techniques. The D'Alambert principle is used to estimate fictitious forces that cause the compliance of the mechanism's end-effector while the mechanism operates at up to 5 g accelerations. As a result of this thesis, it is demonstrated that the mechanism's center of gravity and joint types play an important role in the mechanism's trajectory tracking accuracy, and that tracking accuracy can be improved by a simple data-driven compliance prediction algorithm.Conference Object Experimental Verification of Quasi-Static Equilibrium Analysis of a Haptic Device(Azerbaijan Committee of International Federation, 2017) Görgülü, İbrahimcan; Maaroof, Omar Waleed Najm; Taner, Barış; Dede, Mehmet İsmet Can; Ceccarelli, MarcoHIPHAD v1.0 is a kinesthetic haptic device which was designed and manufactured in IzTech Robotics Laboratory. In this work, the quasi-static equilibrium analysis is carried out by including the gravitational effects. The calculations are verified through an experimental procedure and the results are presented to characterize the device performance.Conference Object Kinematik Olarak Artıksıl Düzlemsel Lazer Kesme Makinaları Üzerine(Atatürk Üniversitesi, 2013) Dede, Mehmet İsmet Can; Gezgin, Erkin; Kiper, Gökhan; Mastar, Ercan; Sığırtmaç, Tayfun; Uzunoğlu, EmreAlışılagelmiş düzlemsel lazer kesme tezgahları XY düzleminde hareket için X ve Y doğrultularında doğrusal kızaklar üstünde eylemi gerçekleştirirken yüksek atalet kuvvetleri etkisi ile hassasiyet kaybı meydana geldiği için yüksek ivmelere çıkamamaktadır. Son yıllarda bazı yurt dışı bazlı firmalar geleneksel düzlemsel lazer kesme tezgahlarına fazladan eyleyici sistem ekleyerek kinematik olarak artıksıl hibrit mekanizmalar oluşturmuş ve kesici kafa için yüksek ivme seviyelerine çıkabilmişlerdir. Bu çalışmada geçmiş çalışmalarda ve piyasada bulunan yüksek ivmeli lazer kesim makinaları incelenmiştir. Lazer kesim makinalarında kullanılabilecek farklı mekanizmalar, bunların birleşimleriyle hibrit makina oluşturulması ve hassasiyet arttırıcı önlemler bildiri kapsamında irdelenmiştir. Makinanın işi en kısa sürede bitirmesi için eyleyici hareketlerini eniyileyecek kinematik olarak artıksıl robot denetleyicileri de bu çalışma kapsamında araştırılmıştır.Conference Object Bakışımsız Bir Düzlemsel 5r Eyleyicisinin Bağlama Açına Göre Tasarımı(Makina Teorisi Derneği, 2015) Kiper, Gökhan; Dede, Mehmet İsmet Can; Uzunoğlu, Emre; Mastar, Ercanİki serbestlik dereceli düzlemsel 5R (R: döner mafsal) mekanizmasının uç noktasının işlevsel çalışma alanına göre mekanizma tasarımı çok farklı başarım ölçütlerine göre yapılabilmektedir. Bu çalışmada uç noktasının yerleşimi nedeni ile kinematik yapısı ve çalışma alanı bakışımsız olan bir 5R mekanizmasının bağlama açısının dik açıya yakın tutulması ölçütü uyarınca işlevsel çalışma alanının tespiti ve de istenilen çalışma alanına boyutuna göre uzuv boyutlarının seçimi ele alınmıştır. Mekanizmanın çalışma alanının tespiti için gerekli kinematik model oluşturulmuş, bağlama açısına göre işlevsel çalışma alanı tespiti irdelenmiş, çalışma alanına gör uzuv boyutlarının belirlenmesi açıklanmış ve de bağlama açısının kuvvet iletimine etkisi tartışılmıştır.Master Thesis Compliance Control of Shad Redundant Robot(Izmir Institute of Technology, 2018) Kanık, Mert; Dede, Mehmet İsmet Can; Tatlıcıoğlu, EnverSHAD robot, which is located in IYTE Robotics Laboratory, is designed as a 4 degrees-of-freedom manipulator which has a PRRR serial kinematic structure. The prismatic joint works along the vertical axis, and the revolute joints rotate about the vertical axis. Although the positioning task on the plane can be executed by two revolute joints, SHAD robot is designed to be kinematically redundant using three revolute joints. SHAD name is the abbreviations for SHoulder Haptic Device. The manipulator is constructed by using industrial servomotors coupled with high reduction ratio gears. Hence, this robot can only be used as a haptic device if admittance control is implemented for its control scheme. Accordingly, the aim of this study is to implement and test the admittance control algorithm on SHAD robot. However, since a human operator uses this haptic device when he/she is placed inside the workspace, certain safety precautions should be implemented. Therefore, initially, exploiting the kinematic redundancy of SHAD robot, an obstacle avoidance algorithm to move the robot’s links away from the human operator is implemented and tested in simulations and experiments. To do this; (1) SHAD’s mathematical model is derived, (2) This model is verified, and obstacle avoidance algorithm is validated by simulation tests in MATLAB/Simulink, (3) SHAD robot’s experimental setup is developed, (4) Experimental tests for obstacle avoidance are conducted. After the obstacle avoidance algorithm is implemented in the control of SHAD and proven that it works, admittance control experiments are carried out on human subjects to investigate the effects of the admittance term parameters, mass and damper, on certain performance metrics of the user. It is deduced that; (1) as the mass parameter of the admittance term is increased, accuracy of the operation is decreased while the total effort of the user is increased, (2) as the damper parameter of the admittance term is increased, both the accuracy of the operation and the total effort of the user are increased, (3) when the same corner frequency with different admittance term parameters are used, the accuracy of the operation is almost the same but total effort increases as the parameters increase.