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Academician

HAKKI ULAŞ ÜNAL

Doçent

Eskişehir Teknik Üniversitesi Bilişim Teknolojileri Meslek Yüksekokulu Bilgisayar Teknolojileri Bölümü

Research topics OpenAlex
  1. Ana Dal Mühendislik Temel Alanı
  2. Yan Dal Elektrik-Elektronik ve Haberleşme Mühendisliği
Keywords YÖKSİS
Articles 17 YÖKSİS 17 · OpenAlex 0 Total citations 242 h-index 9 · OpenAlex OpenAlex coverage %94 matched 16 / 17 Q1 articles 10 Scopus · WoS Q1 8 Best field rank #47 / 261 Keyword · top 18.0% Co-authors 18 1 Turkish institutions

Citation impact

Citation counts of the articles matched in OpenAlex, citing publications from Crossref and the Stanford/Elsevier list. Sources are shown separately and never added up.

OpenAlex YÖKSİS articles matched in OpenAlex: 16
h-index 9 Percentile in Türkiye: 81 #121 of 578 at their university by h-index
i10-index
9
Total citations
242
Top 22% in Türkiye
Per article
15.1
FWCI
6.81
1.00 = world average
World top 1%
1
World top 10%
6

Most cited articles

  1. Further remarks on the effect of multiple spectral values on the dynamics of time-delay systems. Application to the control of a mechanical system 2018 world top 1% 58 citations
  2. Comparison of PI controllers designed for the delay model of TCP AQM networks 2013 world top 10% 34 citations
  3. Stable H-infinity controller design for systems with multiple input/output time-delays 2012 world top 10% 29 citations
How is this computed?

h-index and citations are computed from the citation counts of this academic’s YÖKSİS articles matched in OpenAlex (not Google Scholar, WoS or Scopus). Unmatched articles are not included. h-index on the OpenAlex author profile: 11.

Citing publications Crossref 47 publications citing 16 DOI-bearing articles · 6 Türkiye-affiliated
  • 2018 3
  • 2019 6
  • 2020 12
  • 2021 18
  • 2022 6
  • 2025 2
  1. Robust least-fragile PI controller design for a coupled-tanks system with uncertain time-varying input time-delay TR Hakkı Ulaş Ünal et al. · IFAC-PapersOnLine · 2025
  2. DOI 10.1109/ciccs66437.2025.11280020 2025
  3. On Stable H∞ controller design for plants with infinitely many unstable zeros and poles TR Hakkı Ulaş Ünal · Automatica · 2022 · cites 2 articles of this academic
  4. DOI 10.1016/j.matcom.2021.10.016 2022
  5. DOI 10.1016/j.automatica.2021.110102 2022
  6. DOI 10.3390/e24030418 2022
  7. DOI 10.1016/j.automatica.2022.110202 2022
  8. DOI 10.1109/access.2022.3144644 2022
  9. Eigenvalue optimisation-based centralised and decentralised stabilisation of time-delay systems TR S. Mert Özer et al. · International Journal of Control · 2021
  10. Decentralized time-delay controller design for systems described by delay differential-algebraic equations TR H. Ersin Erol et al. · Transactions of the Institute of Measurement and Control · 2021
  11. Eigenvalue-Optimization-based Stabilization by Delayed Output Feedback TR S. Mert Ozer et al. · 2021 29th Mediterranean Conference on Control and Automation (MED) · 2021
  12. DOI 10.1002/rnc.5698 2021
  13. DOI 10.1016/j.ifacol.2021.06.159 2021
  14. DOI 10.5802/crmath.112 2021
  15. DOI 10.1016/j.jde.2021.03.003 2021
  16. DOI 10.1016/j.ifacol.2021.11.116 2021
  17. DOI 10.1109/ccdc52312.2021.9601562 2021
  18. DOI 10.1016/j.mechatronics.2021.102511 2021
  19. DOI 10.3390/electronics10070806 2021
  20. DOI 10.3390/e23050619 2021
  21. DOI 10.1002/rnc.5649 2021
  22. DOI 10.1007/s00521-021-06209-x 2021
  23. DOI 10.1038/s41467-021-24363-7 2021
  24. DOI 10.1049/cth2.12182 2021
  25. DOI 10.1016/j.ifacol.2021.06.177 2021
  26. DOI 10.1080/00207721.2021.1947412 2021
  27. On strong stabilizability of MIMO infinite-dimensional systems TR Hakkı Ulaş Ünal et al. · Automatica · 2020 · cites 2 articles of this academic
  28. DOI 10.1109/tac.2019.2940548 2020
  29. DOI 10.1109/icstcc50638.2020.9259779 2020
  30. DOI 10.1016/j.ifacol.2020.12.2705 2020

Showing the 30 most recent.

Where does this list come from?

Extracted from the reference lists in Crossref’s public March 2026 data file; 20.3% of the file has been processed, so the list may be incomplete. Crossref citations are never added to or compared with the OpenAlex citation counts; the two sources have different coverage.

Field ranking

Position in the main-field, side-field and keyword cohorts by YÖKSİS article score; each card opens that ranking.

YÖKSİS ?
Keyword rankings 3

Works 17

YÖKSİS and OpenAlex records: index distribution, journals published in, a filterable article list and the other output types.

Indexes and citation percentiles

?
TR Index 1 articles
OpenAlex citation percentile
Top 1%1
Top 10%6
Avg · n 16 %77.0
Other counts

Scopus (SJR)

  • YÖKSİS rows 14

WoS (JCR)

  • YÖKSİS rows 13

Articles

Articles with YÖKSİS and OpenAlex source split; narrow by quartile or TR Index.

17articles

Journals with publications

13 journals

Narrow down

Scopus (SJR)
Q110 Q23 Q31 Q40
WoS (JCR)
Q18 Q23 Q32 Q40
TR Index
1articles

Article list

  1. 2023 ÇÖP MATERYALİ TOPLAMA VE YANGIN TESPİTİ İÇİN BİR OTONOM ARAÇ TASARIMI VE GERÇEKLEŞTİRİLMESİ Eskisehir Osmangazi Universitesi Muhendislik ve Mimarlik Fakultesi Dergisi DOI 10.31796/ogummf.1233759 YÖKSİS TR Index OpenAlex 45.1%
  2. 2022 On Stable H-8 controller design for plants with infinitely many unstable zeros and poles AUTOMATICA DOI 10.1016/j.automatica.2021.110036 YÖKSİS SJR Q1 JCR Q1 OpenAlex 55.9%
  3. 2021 Insights from a qualitative analysis of a gene expression model with delays IFAC-PapersOnline DOI ifac-papersonline YÖKSİS SJR Q3
  4. 2020 On Strong Stabilizability of MIMO Infinite-dimensional Systems AUTOMATICA DOI 10.1016/j.automatica.2020.109178 YÖKSİS SJR Q1 JCR Q1 OpenAlex 73.6%
  5. 2018 Further remarks on the effect of multiple spectral values on the dynamics of time-delay systems. Application to the control of a mechanical system LINEAR ALGEBRA AND ITS APPLICATIONS DOI 10.1016/j.laa.2017.11.022 YÖKSİS SJR Q1 JCR Q2 OpenAlex top 1% OpenAlex 99.7%
  6. 2018 QUALITATIVE ANALYSIS OF DELAYED-CONCENTRATION IN OREGONATOR-BASED CHEMICAL OSCILLATORS Eskisehir Technical University Journal of Science and Technology-A Applied Sciences and Engineering DOI 10.18038/aubtda.397399 YÖKSİS OpenAlex 13.7%
  7. 2017 A Delay-Based Sustained Chemical Oscillator: Qualitative Analysis of Oregonator-Based Models IEEE Life Sciences Letters DOI 10.1109/LLS.2017.2756834 YÖKSİS OpenAlex 73.1%
  8. 2016 Characterization and Computation of Partial Synchronization Manifolds for Diffusive Delay Coupled Systems SIAM Journal on Applied Dynamical Systems DOI 10.1137/15M1017752 YÖKSİS SJR Q1 JCR Q1 OpenAlex 79.0%
  9. 2015 Evaluating and Approximating FIR Filters An Approach Based on Functions of Matrices IEEE Transactions on Automatic Control DOI 10.1109/TAC.2014.2326295 YÖKSİS SJR Q1 JCR Q1 OpenAlex 80.2%
  10. 2013 Prediction of partial synchronization in delay coupled nonlinear oscillators with application to Hindmarsh Rose neurons Nonlinearity DOI 10.1088/0951-7715/26/12/3101 YÖKSİS SJR Q1 JCR Q1 OpenAlex 83.0%
  11. 2013 Comparison of PI controllers designed for the delay model of TCP AQM networks Computer Communications DOI 10.1016/j.comcom.2013.03.001 YÖKSİS SJR Q2 JCR Q2 OpenAlex top 10% OpenAlex 94.4%
  12. 2013 Performance and Robustness of Flow Controllers Designed Using Non causal Uncertainty Blocks Asian Journal of Control DOI 10.1002/asjc.488 YÖKSİS SJR Q1 JCR Q2 OpenAlex 81.5%
  13. 2012 Stable H flow controller design using approximation of FIR filters Transactions of the Institute of Measurement and Control DOI 10.1177/0142331210378872 YÖKSİS SJR Q2 JCR Q3 OpenAlex top 10% OpenAlex 95.5%
  14. 2012 Stable H-infinity controller design for systems with multiple input/output time-delays Automatica DOI 10.1016/j.automatica.2012.01.001 YÖKSİS SJR Q1 JCR Q1 OpenAlex top 10% OpenAlex 94.9%
  15. 2011 Performance level and stability margins of an optimal ℋ∞ flow controller Transactions of the Institute of Measurement and Control DOI 10.1177/0142331211425402 YÖKSİS SJR Q2 JCR Q3 OpenAlex 70.9%
  16. 2009 Robust flow control in data-communication networks with multiple time-delays International Journal of Robust and Nonlinear Control DOI 10.1002/rnc.1535 YÖKSİS SJR Q1 JCR Q1 OpenAlex top 10% OpenAlex 94.8%
  17. 2008 A small gain theorem for systems with non causal subsystems Automatica DOI 10.1016/j.automatica.2008.04.005 YÖKSİS SJR Q1 JCR Q1 OpenAlex top 10% OpenAlex 96.4%

Projects 8 See all (8) →

  1. 2019 Sonsuz Boyutlu Sistemler için Gürbüz Denetleyici Tasarımı Yükseköğretim Kurumları tarafından destekli bilimsel araştırma projesi · Tamamlandı 2019-07-02 – 2019-08-02
  2. 2017 Deneysel bir nöron ağındaki davranışların analizi Yükseköğretim Kurumları tarafından destekli bilimsel araştırma projesi · Tamamlandı 2017-05-05 – 2020-05-05
  3. 2017 Salınımlı biyokimyasal reaksiyonlarda zaman gecikmesinin rolü Yükseköğretim Kurumları tarafından destekli bilimsel araştırma projesi · Tamamlandı 2017-06-11 – 2018-06-11
  4. 2020 Belirsiz Zaman Gecikmeli Sistemlerin Dayanıklı Denetimi Yükseköğretim Kurumları tarafından destekli bilimsel araştırma projesi · Tamamlandı 2020-07-02 – 2021-07-02
  5. 2019 Ben de Robotumu Kodluyorum (4004 Doğa Eğitimi ve Bilim Okulları - 218B628) TÜBİTAK PROJESİ · Tamamlandı 2019-01-01 – 2020-01-01

Books 2

  1. 2017 Information Technologies Anadolu Universitesi ISBN 978-975-06-2174-1 Kitap Bölümü · Ders Kitabı
  2. 2012 Robust Controller Design:: Systems with multiple uncertain time-delays ‎ LAP LAMBERT Academic Publishing ISBN 783847325376 Bilimsel Kitap

Proceedings 25 See all (25) →

  1. 2008 Stable H infinity Controller Design for Systems with Multiple Time Delays The Case of Data Communication Networks 17th IFAC World Congress
  2. 2017 Analog Hindmarsh-Rose Nöron DevresininParametre Tabanlı Gerçeklemesi OTOMATİK KONTROL TÜRK MİLLÎ KOMİTESİ ULUSAL TOPLANTISI (TOK 2017)
  3. 2016 Tracking sustained oscillations in delay model oregonators 2016 IEEE Conference on Control Applications (CCA)
  4. 2007 Veri İletişim Ağlarında Adil Kapasite Paylaşımını Sağlayan Gürbüz Denetleyici Tasarımı Otomatik Kontrol Ulusal Toplantısı - TOK’07
  5. 2010 Comparing PI Controllers for Delay Models of TCP AQM Networks 4th IFAC Symposium on Systems, Structure, and Control

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Collaboration network

From the author lists of YÖKSİS publication records. Duplicate records of a work count once; institutions are co-authors’ current YÖKSİS affiliations.

Co-authors
18
With an akaturk profile
3
Turkish institutions
1
Co-authored works
%88

Academic co-authors 3

  1. ALTUĞ İFTAR Profesör · Eskişehir Teknik Üniversitesi same university 7
  2. HİTAY ÖZBAY Profesör · İhsan Doğramacı Bilkent Üniversitesi 2
  3. ÖMER NEZİH GEREK Profesör · Eskişehir Teknik Üniversitesi same university 1

National collaboration 1 institutions

Within own university8 joint works · Eskişehir Teknik Üniversitesi

  1. İhsan Doğramacı Bilkent Üniversitesi 2 works · 1 academics

Other co-authors (incl. international) 15

Silviu-Iulian Niculescu 4Islam Boussaada 3Michiels Wim 3Banu Ataşlar AyyıldızBurak GuzeltepeCees van LeeuwenDeniz ÜstebayEric SteurErsin MollaFerhat KaradağMarc R. RousellMelchor-Aguilar DanielOrkun AydinTomas Vyhlidalsami tliba

Authors without an akaturk profile (international researchers, retired or former academics, students, clinicians) are grouped by name spelling; short forms such as “Gulluce M.” join the single full name they match.