Kiper, Gökhan

Profile URL
https://hdl.handle.net/11147/16452
Name Variants
Kiper, G.
Kiper, Goekhan
Kiper, Gokhan
Kiper, G
Kiper, GÖKhan
Ki̇Per, Gökhan
Job Title
Email Address
gokhankiper@iyte.edu.tr
Main Affiliation
03.10. Department of Mechanical Engineering
Status
Current Staff
Website
http://web.iyte.edu.tr/~gokhankiper/
ORCID ID
0000-0001-8793-724X
Scopus Author ID
23985110500
Turkish CoHE Profile ID
Google Scholar ID
moBed6IAAAAJ
WoS Researcher ID
N-8325-2014

Sustainable Development Goals

NO POVERTY1
NO POVERTY
0
Research Products
ZERO HUNGER2
ZERO HUNGER
0
Research Products
GOOD HEALTH AND WELL-BEING3
GOOD HEALTH AND WELL-BEING
1
Research Products
QUALITY EDUCATION4
QUALITY EDUCATION
4
Research Products
GENDER EQUALITY5
GENDER EQUALITY
0
Research Products
CLEAN WATER AND SANITATION6
CLEAN WATER AND SANITATION
0
Research Products
AFFORDABLE AND CLEAN ENERGY7
AFFORDABLE AND CLEAN ENERGY
0
Research Products
DECENT WORK AND ECONOMIC GROWTH8
DECENT WORK AND ECONOMIC GROWTH
0
Research Products
INDUSTRY, INNOVATION AND INFRASTRUCTURE9
INDUSTRY, INNOVATION AND INFRASTRUCTURE
13
Research Products
REDUCED INEQUALITIES10
REDUCED INEQUALITIES
0
Research Products
SUSTAINABLE CITIES AND COMMUNITIES11
SUSTAINABLE CITIES AND COMMUNITIES
1
Research Products
RESPONSIBLE CONSUMPTION AND PRODUCTION12
RESPONSIBLE CONSUMPTION AND PRODUCTION
1
Research Products
CLIMATE ACTION13
CLIMATE ACTION
0
Research Products
LIFE BELOW WATER14
LIFE BELOW WATER
0
Research Products
LIFE ON LAND15
LIFE ON LAND
0
Research Products
PEACE, JUSTICE AND STRONG INSTITUTIONS16
PEACE, JUSTICE AND STRONG INSTITUTIONS
0
Research Products
PARTNERSHIPS FOR THE GOALS17
PARTNERSHIPS FOR THE GOALS
0
Research Products
Documents

72

Citations

559

h-index

11

Go to Scopus profile
Documents

52

Citations

415

Go to WoS profile
Scholarly Output

118

Articles

30

Views / Downloads

334791/67161

Supervised MSc Theses

18

Supervised PhD Theses

4

WoS Citation Count

248

Scopus Citation Count

345

Patents

4

Projects

7

WoS Citations per Publication

2.10

Scopus Citations per Publication

2.92

Open Access Source

96

Supervised Theses

22

JournalCount
Mechanism and Machine Theory9
Journal of the International Association for Shell and Spatial Structures5
Robotica5
6th European Conference on Mechanism Science -- SEP 20-23, 2016 -- Nantes, FRANCE4
Uluslararası Katılımlı 17. Makina Teorisi Sempozyumu4
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Scholarly Output Search Results

Now showing 1 - 10 of 117
  • Master Thesis
    Development of Kinetostatic Design Methodology for Airplane Flap Mechanisms
    (01. Izmir Institute of Technology, 2022) Arslan, Gökhan; Kiper, Gökhan; Kiper, Gökhan
    The problem focused on this thesis is to minimize the fairing drag of dropped-hinge trailing edge flap mechanism of an aircraft. The background knowledge and literature review about the trailing edge flaps and mechanisms are presented, and two patents are examined. Accordingly, a parametric model for a double circular slotted arc track mechanism with a screw jack drive for a trailing edge flap is presented. This model is used in the kinetostatic design methodology. The methodology is applied for a small aircraft as a case study. The main novelty of this thesis is these model and methodology. According to the results, motor torque requirement for the screw jack is determined. The fairing depth is considerably reduced compared to a dropped hinge type mechanism.
  • Master Thesis
    Design of Hybrid Cable-Constrained Parallel Mechanisms for Walking Machines
    (Izmir Institute of Technology, 2018) Demirel, Murat; Kiper, Gökhan; Demirel, Murat; Kiper, Gökhan; Carbone, Giuseppe
    The objective of this thesis study is to propose novel cable-constrained parallel mechanisms for walking machines. According to the literature, hybrid structured parallel mechanisms can overcome mechanical design, control system and workspace limitations compared to other structures. This thesis study introduces two novel hybrid structured leg mechanisms comprising rigid links and passive cables. Kinematic structure of the proposed mechanisms are (UPU-2Pa)-(UPU-2Pa)and (UU-2Pa)-P. Both designs have a hip, a knee and a foot platform. Two rotational constraints about horizontal axes are added to the moving platforms by using parallelograms with passive cables. The rotational constraint about the vertical axis is provided by rigid links and joints. Thus, the proposed designs have pure translational motion. The detailed analysis of the mechanism design with anchored cables is conducted. A CAD model is constructed and a dynamic simulation for human-like gait trajectory is performed in SolidWorks® environment. Once the computed actuator torques and forces are found suitable, a first prototype is built to check the proposed solution. Considering the problems encountered in this first prototype, a second prototype of the (UU-2Pa)-P mechanism is built. The prototype is operated using a real-time PCI controller and experimental results are presented. The mechanisms presented in this thesis is one of the few cable-constrained parallel manipulator designs in the literature. Such a manipulator design is used for a walking machine for the first time. The prototype and test results are quite satisfactory, so hopefully more detailed research can be conducted on this topic in the future.
  • Master Thesis
    Design of Hidam: Highly Deployable Articulated Mast for Positioning of Satellite Components
    (01. Izmir Institute of Technology, 2022) Cebeci, Yunus; Kiper, Gökhan; Kiper, Gökhan
    With the emerging space activities, use of deployable structures for aerospace applications increased in recent years. Deployable masts are special types of these structures where longitudinal deployment is required and deployable truss mast is one of the deployable mast types. In this thesis, a new design methodology for deployable truss masts is introduced resulting in superior packing ratio. It is a type of a Wren platform which has a single degree of freedom, and it is called HiDAM: Highly Deployable Articulated Mast. The mathematical model for HiDAM is constructed and the packing ratio is maximized by optimizing part lengths. Considering the set design requirements, the constructional design is carried out, first in two dimensions where mathematical model is developed, then in three dimensions. Along with the constructional design, the prototype of HiDAM is manufactured and assembled for a single deployable unit with which overall mechanism movement can be seen. It is presented that with the proposed deployable truss mast HiDAM, the packing ratio can be increased by about 12% compared to the most recent deployable truss mast examples in the literature.
  • 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, Emre
    Alışılagelmiş 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, Ercan
    İki 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.
  • Conference Object
    A sustainable association case study: IFToMM member organization Turkey
    (Springer, 2022) Kiper, Gökhan; Söylemez, Eres
    As a member of IFToMM founded in 2011, Turkish Machine Theory Association’s (MakTeD) structure has put special emphasis on sustainability of the association and initiated several activities for improving the quality of education and research in mechanism and machine science area, hence supporting the SDG4 Quality Education of the UN. This paper presents the activities and methodologies of MakTeD. The paper starts with a brief history of mechanism and machine science in Turkey. In 10 years MakTeD organized 4 symposiums, 1 conference, 4 summer/winter schools, 8 workshops and hosted an IFToMM Executive Council meeting. Each chapter of the biyearly held National Symposium on Theory of Machines is held by a different university and especially newly established and the universities in relatively smaller cities are prioritized in order to promote those universities and to contribute to development of these universities. Especially the summer/winter schools and workshops have a widespread impact on mechanism and machine science education and research at the universities and institutions. MakTeD also contributes to the community with published books and support programs for young researchers.
  • Book Part
    Citation - WoS: 3
    Citation - Scopus: 4
    Function Generation Synthesis With a 2-Dof Overconstrained Double-Spherical 7r Mechanism Using the Method of Decomposition and Least Squares Approximation
    (Springer, 2014) Kiper, Gökhan; Bağdadioğlu, Barış
    This study addresses the approximate function generation synthesis with an overconstrained two degrees-of-freedom double spherical 7R mechanism using least squares approximation with equal spacing of the design points on the input domain. The 7R mechanism is a constructed by combining a spherical 5R mechanism with a spherical 4R mechanism with distant centers and a common moving link and then removing the common link. This construction allows the analysis and synthesis of the re-sulting single-loop mechanism by decomposing it into fictitious 5R and 4R loops. The two inputs to the mechanism are provided in the 5R loop and the output is in the 4R loop. The fictitious output of the 5R loop is an input to the 4R loop this intermediate variable is used to also decompose the function to be generated. This decomposition provides the designer extra freedom in synthesis and enables de-creasing the error of approximation. A case study is presented at the end of the study where the 7R de-sign is compared with an equivalent spherical 5R mechanism; hence the advantage of the 7R mecha-nism is demonstrated.
  • Other
    Corrigendum To “kinematic Design of a Non-Parasitic 2r1t Parallel Mechanism With Remote Center of Motion To Be Used in Minimally Invasive Surgery Applications” [mechanism and Machine Theory 153 (2020) 104013] (mechanism and Machine Theory (2020) 153, (s0094114x20302342), (10.1016/J.mechmachtheory.2020.104013))
    (Elsevier, 2021) Yaşır, Abdullah; Kiper, Gökhan; Dede, Mehmet İsmet Can
    The authors regret that one of the affiliation information for Gökhan Kiper is wrong. Dr. Kiper is not affiliated to Delft University of Technology. Dr. Kiper is affiliated to İzmir Institute of Technology. The data administrators of Elsevier and the corresponding author would like to apologise for any inconvenience caused. © 2021 International Federation for the Promotion of Mechanism and Machine Science
  • 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, Abdullah
    NeuRoboScope 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.
  • Book Part
    Citation - Scopus: 4
    Derivation of Input/Output Relationships for the Bennett 6r Linkages Based on the Method of Decomposition
    (Springer, 2014) Alizade, Rasim; Kiper, Gökhan; Dede, Mehmet İsmet Can; Uzunoğlu, Emre
    The Bennett overconstrained 6R linkages are the double-planar, the double-spherical and the plano-spherical 6R linkages. These mechanisms are obtained by combining simple planar and/or spher-ical mechanisms and then removing one of the common links. This paper presents the derivation of the input/output relationships for these mechanisms using the decomposition method. This method is based on writing the input/output equations for the two imaginary loops comprising the 6R mechanism and then eliminating the imaginary joint variable. It is found that the resulting input/output equations con-tain up to 4th power of trigonometric terms, such as cos4 θ.