Hakan Çalışkan

E-mail

chakan@metu.edu.tr

Department

Department of Mechanical Engineering

ORCID

0000-0001-9170-3745

Scopus Author ID

57200249968

Web of Science Researcher ID

AAZ-9227-2020

Milling force estimation based on harmonic force model and acceleration feedback İlme, Mert; Çalışkan, Hakan; Özşahin, Orkun (2025-01-01) Monitoring milling forces is crucial as they directly reflect the milling process. Direct force measurement using a dynamometer is challenging for industrial applications. However, indirect force measurement can be achieve...
Real-Time Milling Chatter Detection and Control with Axis Encoder Feedback and Spindle Speed Manipulation Çalışkan, Hakan (2024-08-01) This paper introduces a complete real-time algorithm, where the chatter is detected and eliminated by spindle speed manipulation via the chatter energy feedback calculated from the axis encoder measurement. The proposed me...
Development of a dynamic simulation model for CNC table vibration estimation in milling operations Frezeleme işleminde CNC tabla titreşimlerinin kestirimi için dinamik simülasyon modeli geliştirilmesi Altun, Barış; Çalışkan, Hakan; Özşahin, Orkun (2024-01-01) Recent developments under Industry 4.0 allows to collect and analyze measurements during milling process. For such projects to be done, software needs to be developed. Developing software through testing is expensive and t...
Elektro-Hidrostatik Eyleyicilerde Dinamik Direngenliğin İyileştirilmesi Özbaş, Cumhur; Afatsun, Ahmet Can; Çalışkan, Hakan (2023-09-15) Electro-hydrostatic actuators are preferred in the aviation industry due to their compact design and high energy efficiency. Unlike conventional hydraulic actuator systems, electro-hydrostatic actuators are controlle...
Performance Evaluation of a Helicopter Main Rotor Hydraulic Control System Using Rotor Equivalent Dynamic Parameters Düzağaç, Hasan Ali; Çalışkan, Hakan; Balkan, Raif Tuna (2023-02-08)
RECURSIVE DEFINING OF FORCE COEFFICIENTS IN MILLING PROCESS WITH ACCELEROMETER Altun, Barış; Çalışkan, Hakan; Özşahin, Orkun (2022-09-02)
Optimal Design of an In-flight Refueling Door Mechanism AKMAN, HASAN; Turgut, Ali Emre; Çalışkan, Hakan (2022-01-01)
A model - based jamming detection method for electro-hydrostatic actuators Poyraz, Emre Murat; Turgut, Ali Emre; Çalışkan, Hakan (2020-09-01) An anomaly or a fault, which may be treated as insignificant in a complicated engineering system, like an electro–hydraulic flight control actuator, can cause considerable performance degradation and deteriorating effects ...
HAVA ARAÇLARI İÇİN KAPAK MEKANİZMASI ÖN TASARIMI VE GENETİK ALGORİTMA YÖNTEMİ KULLANILARAK OPTİMİZASYONU Çalışkan, Hakan; Turgut, Ali Emre; AKMAN, HASAN (2019-09-06)
Sensorless control of a three-degree-of-freedom ultrasonic vibration tool holder Gao, Jian; Çalışkan, Hakan; Altintas, Yusuf (Elsevier BV, 2019-07-01) Piezoelectric actuators are commonly used to deliver vibrations with an amplitude range of (5 mu m-25 mu m) at ultrasonic frequencies (>= 15 kHz) in machining applications. The natural frequencies of ultrasonic vibration a...

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