List of publications

Books

1.       R.-E. Precup, R.-C. Roman and A. Safaei, "Data-Driven Model-Free Controllers," 1st edition, CRC Press, Boca Raton, FL, USA, Dec. 2021, https://www.taylorfrancis.com/,

Book chapters

1.       R.-E. Precup, E.-I. Voisan, R.-C. David, E.-L. Hedrea, E. M. Petriu, R.-C. Roman and A.-I. Szedlak-Stinean, "Nature-Inspired Optimization Algorithms for Path Planning and Fuzzy Tracking Control of Mobile Robots," Applied Optimization and Swarm Intelligence, 2021, pp. 129-148, https://link.springer.com, https://link.springer.com,

2.       R.-C. Roman, M.-B. Radac, R.-E. Precup and E. M. Petriu, "Virtual reference feedback tuning of MIMO data-driven model-free adaptive control algorithms," in Proc. 7th Advanced Doctoral Conference on Computing, Electrical and Industrial Systems, Caparica (Lisbon), Portugal, 2016, pp. 253-260, https://link.springer.com, https://link.springer.com,

Papers in Clarivate Analytics Web of Science (formerly ISI Web of Knowledge) Journals

1.       I. A. Zamfirache, R.-E. Precup, R.-C. Roman and E. M. Petriu, "Policy Iteration Reinforcement Learning-based control using a Grey Wolf Optimizer algorithm," Information Sciences, vol. 585, pp. 162-175, 2022, https://www.sciencedirect.com,

2.       R.-C. Roman, R.-E. Precup, E.-L. Hedrea, S. Preitl, I. A. Zamfirache, C.-A. Bojan-Dragos and E. M. Petriu, "Iterative Feedback Tuning Algorithm for Tower Crane Systems," Procedia Computer Science, vol. 199, pp. 157-165, 2022, https://www.sciencedirect.com,

3.       I. A. Zamfirache, R.-E. Precup, R.-C. Roman and E. M. Petriu, "Reinforcement Learning-based control using Q-learning and gravitational search algorithm with experimental validation on a nonlinear servo system," Information Sciences, vol. 583, pp. 99-120, 2022, https://www.sciencedirect.com,

4.       R.-E. Precup, C.-A. Bojan-Dragos, E.-L. Hedrea, R.-C. Roman and E. M. Petriu, "Evolving Fuzzy Models of Shape Memory Alloy Wire Actuators," Romanian Journal of Information Science and Technology, vol. 24, no. 4, pp. 353-365, 2021, https://www.romjist.ro/ ,

5.       R.-E. Precup, R.-C. David, R.-C. Roman, A.-I. Szedlak-Stinean and E. M. Petriu, "Optimal tuning of interval type-2 fuzzy controllers for nonlinear servo systems using Slime Mould Algorithm," International Journal of Systems Science, doi: https://doi.org/10.1080/00207721.2021.1927236, pp. 1-16, 2021, https://www.tandfonline.com,

6.       E.-L. Hedrea, R.-E. Precup, R.-C. Roman and E. M. Petriu, "Tensor product‐based model transformation approach to tower crane systems modeling," Asian Journal of Control, vol. 23, no. 3, pp. 1313-1323, 2021, https://onlinelibrary.wiley.com,

7.       R.-E. Precup, R.-C. David, R.-C. Roman, E. M. Petriu and A.-I. Szedlak-Stinean, "Slime Mould Algorithm-Based Tuning of Cost-Effective Fuzzy Controllers for Servo Systems," International Journal of Computational Intelligence Systems, vol. 14, no. 1, pp. 1042-1052, 2021, https://www.atlantis-press.com, (Highly Cited Papers according to Clarivate Analytics Web of Science),

8.       R.-C. Roman, R.-E. Precup and E. M. Petriu, "Hybrid Data-Driven Fuzzy Active Disturbance Rejection Control for Tower Crane Systems," European Journal of Control, vol. 58, pp. 373-387, 2021, https://www.sciencedirect.com, (Highly Cited Papers according to Clarivate Analytics Web of Science in March/April 2021, Highly Cited Papers according to Clarivate Analytics Web of Science in July/August 2021,Highly Cited Papers according to Clarivate Analytics Web of Science in Semptember/October 2021, Hot Papers according to Clarivate Analytics Web of Science in Semptember/October 2021),

9.       R.-E. Precup, R.-C. Roman, E.-L. Hedrea, E. M. Petriu, and C.-A. Bojan-Dragos, "Data-Driven Model-Free Sliding Mode and Fuzzy Control with Experimental Validation," International Journal of Computers Communications & Control, vol, 16 no. 1, pp. 1-18, 2021, http://univagora.ro,

10.    R.-E. Precup, R.-C. Roman, T.-A. Teban, A. Albu, E. M. Petriu and C. Pozna, "Model-Free Control of Finger Dynamics in Prosthetic Hand Myoelectric-Based Control Systems," Studies in Informatics and Control, vol. 29, no. 4, pp. 399-410, 2020, https://sic.ici.ro,

11.    R.-E. Precup, E.-L. Hedrea, R.-C. Roman, E. M. Petriu, A.-I. Szedlak-Stinean and C.-A. Bojan-Dragos, "Experiment-Based Approach to Teach Optimization Techniques," IEEE Transactions on Education, vol 64, no. 2, 2021, https://ieeexplore.ieee.org,

12.    R.-E. Precup, S. Preitl, E. M. Petriu, R.-C. Roman, C.-A. Bojan-Dragos, E.-L. Hedrea and A.-I. Szedlak-Stinean, "A Center Manifold Theory-Based Approach to the Stability Analysis of State Feedback Takagi-Sugeno-Kang Fuzzy Control Systems," Facta Universitatis, Series: Mechanical Engineering, vol. 18, no. 2, pp. 189-204, 2020, http://casopisi.junis.ni.ac.rs,

13.    R.-E. Precup, E.-I. Voisan, E. M. Petriu, M. L. Tomescu, R.-C. David, A.-I. Szedlak-Stinean and R.-C. Roman, "Grey Wolf Optimizer-Based Approaches to Path Planning and Fuzzy Logic-based Tracking Control for Mobile Robots," International Journal of Computers Communications & Control, vol, 15, no. 3, pp. 1-17, 2020, http://www.univagora.ro,

14.    R.-C. Roman, R.-E. Precup, E. M. Petriu and F. Dragan, "Combination of Data-Driven Active Disturbance Rejection and Takagi-Sugeno Fuzzy Control with Experimental Validation on Tower Crane Systems," Energies, vol. 12, no. 8, pp. 1-19, 2019, https://www.mdpi.com,

15.    M.-B. Radac, R.-E. Precup and R.-C. Roman, "Data-driven model reference control of MIMO vertical tank systems with model-free VRFT and Q-learning," ISA Transactions, vol. 73, pp. 227-238, 2018, https://www.sciencedirect.com,

16.    R.-C. Roman, M.-B. Radac, R.-E. Precup and E. M. Petriu, "Virtual reference feedback tuning of model-free control algorithms for servo systems," Machines, vol. 5, no. 4, pp. 1-15, 2017, https://www.mdpi.com,

17.    M.-B. Radac, R.-E. Precup and R.-C. Roman, "Model-Free control performance improvement using virtual reference feedback tuning and reinforcement Q-learning," International Journal of Systems Science, vol. 48, no. 5, pp. 1071-1083, 2017, https://www.tandfonline.com,

18.    R.-E. Precup, M.-B. Radac and R.-C. Roman, "Model-free sliding mode control of nonlinear systems: Algorithms and experiments," Information Sciences, vol. 381, pp. 176-192, 2017, https://www.sciencedirect.com, (Highly Cited Papers according to Clarivate Analytics Web of Science),

19.    R.-E. Precup, S. Preitl, C.-A. Bojan-Dragos, M.-B. Radac, A.-I. Szedlak-Stinean, E.-L. Hedrea and R.-C. Roman, "Automotive applications of evolving Takagi-Sugeno-Kang fuzzy models," Facta Universitatis, Series: Mechanical Engineering, vol. 15, no. 2, pp. 231-244, 2017, http://casopisi.junis.ni.ac.rs,

20.    R.-C. Roman, M.-B. Radac and R.-E. Precup, "Multi-input-multi-output system experimental validation of model-free control and virtual reference feedback tuning techniques," IET Control Theory & Applications, vol. 10, no. 12, pp. 1395-1403, 2016, https://digital-library.theiet.org,

21.    R.-C. Roman, M.-B. Radac, R.-E. Precup and E. M. Petriu, "Data-driven model-free adaptive control tuned by virtual reference feedback tuning," Acta Polytechnica Hungarica, vol. 13, no. 1, pp. 83-96, 2016, http://uni-obuda.hu,

Journal Papers

1.       R.-E. Precup, S. Preitl, E. M. Petriu, C.-A. Bojan-Dragos, A.-I. Szedlak-Stinean, R.-C. Roman and E.-L. Hedrea, "Model-Based Fuzzy Control Results for Networked Control Systems," Reports in Mechanical Engineering, vol. 1, no. 1, pp. 10-25, 2020, https://www.frontpres.rabek.org,

Published Contributions in Refereed Academic Conferences:

1.       R.-C. Roman, R.-E. Precup, E.-L. Hedrea, S. Preitl, I. A. Zamfirache, C.-A. Bojan-Dragos and E. M. Petriu, "Iterative Feedback Tuning Algorithm for Tower Crane Systems," The International Conference on Information Technology and Quantitative Management (ITQM 2020-2021), Chengdu, China, pp. 1-8, 2021,

2.       E.-L. Hedrea, R.-E. Precup, R.-C. Roman, E. M. Petriu, C.-A. Bojan-Dragos and C. Hedrea, "Tensor Product-Based Model Transformation Technique Applied to Servo Systems Modeling," 2021 IEEE 30th International Symposium on Industrial Electronics (ISIE), Kyoto, Japan, pp. 1-6, 2021, https://ieeexplore.ieee.org,

3.       C.-A. Bojan-Dragos, R.-E. Precup, S. Preitl, R.-C. Roman, E.-L. Hedrea and A.-I. Szedlak-Stinean, " GWO-Based Optimal Tuning of Type-1 and Type-2 Fuzzy Controllers for Electromagnetic Actuated Clutch Systems," IFAC-PapersOnLine, Valenciennes, France, vol. 54, no. 4, pp. 189-194, 2021, https://www.sciencedirect.com,

4.       R.-C. Roman, R.-E. Precup, E. M. Petriu, C.-A. Bojan-Dragos, V.-B. Vanya and M.-D. Rarinca, "Second Order Active Disturbance Rejection Control – Virtual Reference Feedback Tuning for Twin Rotor Aerodynamic Systems," 2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2020), Toronto, Canada, pp. 1-6, 2020, https://ieeexplore.ieee.org,

5.       R.-C. Roman, R.-E. Precup, E. M. Petriu, R.-C. David, E.-L. Hedrea and A.-I. Szedlak-Stinean, "First-Order Active Disturbance Rejection-Virtual Reference Feedback Tuning Control of Tower Crane Systems," 24th International Conference on System Theory, Control and Computing (ICSTCC 2020), Sinaia, Romania, pp. 1-6, 2020, https://ieeexplore.ieee.org,

6.       R.-C. David, R.-E. Precup, S. Preitl, A.-I. Szedlak-Stinean E. M. Petriu and R.-C. Roman, "Fuzzy Control Systems with Reduced Parametric Sensitivity Design Based on Hybrid Grey Wolf Optimizer–Particle Swarm Optimization," 24th International Conference on System Theory, Control and Computing (ICSTCC 2020), Sinaia, Romania, pp. 1-6, 2020, https://ieeexplore.ieee.org,

7.       R.-C. David, R.-E. Precup, S. Preitl, A.-I. Szedlak-Stinean, R.-C. Roman and E. M. Petriu, "Design of Low-Cost Fuzzy Controllers with Reduced Parametric Sensitivity Based on Whale Optimization Algorithm," 2020 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE), Glasgow, Scotland, UK, pp. 1-6, 2020, https://ieeexplore.ieee.org,

8.       R.-C. David, R.-E. Precup, S. Preitl, E. M. Petriu, A.-I. Szedlak-Stinean and R.-C. Roman, "Whale Optimization Algorithm-Based Tuning of Low-Cost Fuzzy Controllers with Reduced Parametric Sensitivity," 2020 28th Mediterranean Conference on Control and Automation, Saint-Raphaël, France, pp. 440-445, 2020, https://ieeexplore.ieee.org,

9.       I. Panfilii, R.-E. Precup, R.-C. Roman and E. M. Petriu. "Wilt Dataset-based Comparative Analysis of Three Neural Networks," 12th International Conference on Electronics, Computers and Artificial Intelligence, Bucharest, Romania, pp. 1-6, 2020, https://ieeexplore.ieee.org,

10.    D. Komor, R.-C. Roman, R.-E. Precup, R.-C. David and I. Panfilii, "Models of Two-Wheeled Mobile Robots with Experimental Validation," 2020 IEEE 14th International Symposium on Applied Computational Intelligence and Informatics, Timisoara, Romania, pp. 000211-000216, 2020, https://ieeexplore.ieee.org,

11.    R.-C. Roman, R.-E. Precup, C.-A. Bojan-Dragos and A.-I. Szedlak-Stinean, "Combined Model-Free Adaptive Control with Fuzzy Component by Virtual Reference Feedback Tuning for Tower Crane Systems," Procedia Computer Science, vol. 162, Granada, Spain, pp. 267-274, 2019, https://www.sciencedirect.com,

12.    R.-C. Roman, R.-E. Precup, E. M. Petriu, E.-L. Hedrea, C.-A. Bojan-Dragos and M.-B. Radac, "Model-Free Adaptive Control With Fuzzy Component for Tower Crane Systems," in Proc. 2019 IEEE International Conference on Systems, Man and Cybernetics (SMC), Bari, Italy, pp. 1384-1389, 2019, https://ieeexplore.ieee.org,

13.    E.-L. Hedrea, R.-E. Precup, C.-A. Bojan-Dragos, E. M. Petriu and R.-C. Roman, "Tensor Product-Based Model Transformation and Sliding Mode Control of Electromagnetic Actuated Clutch System," in Proc. 2019 IEEE International Conference on Systems, Man and Cybernetics (SMC), Bari, Italy, pp. 1402-1407, 2019, https://ieeexplore.ieee.org,

14.    C.-A. Bojan-Dragos, E.-L. Hedrea, R.-E. Precup, A.-I. Szedlak-Stinean and R.-C. Roman, "MIMO Fuzzy Control Solutions for the Level Control of Vertical Two Tank Systems," in Proc. 16th International Conference on Informatics in Control, Automation and Robotics, Prague, Czech Republic, vol. 1, pp. 810-817, 2019, https://www.semanticscholar.org,

15.    R.-C. Roman, R.-E. Precup and R.-C. David, "Second order intelligent proportional-integral fuzzy control of twin rotor aerodynamic systems," in Proc. Procedia Computer Science, vol. 139, Omaha, Nebraska, USA, pp. 372-380, 2018, https://www.sciencedirect.com,

16.    E.-L. Hedrea, R.-E. Precup, C.-A. Bojan-Dragos, R.-C. Roman, O. Tanasoiu and M. Marinescu, "Cascade Control Solutions for Maglev Systems," in Proc. 22nd International Conference on System Theory, Control and Computing, Sinaia, Romania, pp. 20-26, 2018, https://ieeexplore.ieee.org,

17.    R.-C. Roman, M.-B. Radac, C. Tureac and R.-E. Precup, "Data-Driven Active Disturbance Rejection Control of Pendulum Cart Systems*," in Proc. 2nd IEEE Conference on Control Technology and Applications, Copenhagen, Denmark, pp. 933-938, 2018, https://ieeexplore.ieee.org,

18.    C. Bumb, M.-B. Radac, R.-E. Precup and R.-C. Roman, "Data-driven nonlinear VRFT for dead-zone compensation in servo systems control," in Proc. 2017 21st International Conference on System Theory, Control and Computing, Sinaia, Romania, pp. 821-826, 2017, https://ieeexplore.ieee.org,

19.    R.-C. Roman, R.-E. Precup, M.-B. Radac and E. M. Petriu, "Takagi-Sugeno fuzzy controller structures for twin rotor aerodynamic systems," in Proc. 2017 IEEE International Conference on Fuzzy Systems, Naples, Italy, pp. 1-6, 2017, https://ieeexplore.ieee.org,

20.    R.-C. Roman, R.-E. Precup and M.-B. Radac, "Model-free fuzzy control of twin rotor aerodynamic systems," in Proc. 25th Mediterranean Control Conference on Control and Automation, Valletta, Malta, pp. 559-564, 2017, https://ieeexplore.ieee.org,

21.    M.-B. Radac, R.-E. Precup and R.-C. Roman, "Multi input-multi output tank system data-driven model reference control," in Proc. 13th IEEE International Conference on Control & Automation, Ohrid, Macedonia, pp. 1078-1083, 2017, https://ieeexplore.ieee.org,

22.    M.-B. Radac, R.-E. Precup and R.-C. Roman, "Anti-lock braking systems data-driven control using Q-learning," in Proc. 26th IEEE International Symposium on Industrial Electronics, Edinburgh, Scotland, United Kingdom, pp. 418-423, 2017, https://ieeexplore.ieee.org,

23.    E.-L. Hedrea, C.-A. Bojan-Dragos, R.-E. Precup, R.-C. Roman, E. M. Petriu and C. Hedrea, "Tensor product-based model transformation for position control of magnetic levitation systems," in Proc. 26th IEEE International Symposium on Industrial Electronics, Edinburgh, Scotland, United Kingdom, pp. 1141-1146, 2017, https://ieeexplore.ieee.org,

24.    R.-E. Precup, S. Preitl, C.-A. Bojan-Dragos, M.-B. Radac, A.-I. Szedlak-Stinean, E.-L. Hedrea and R.-C. Roman, "Evolving Takagi-Sugeno fuzzy modeling applications of incremental online identification algorithms," in Proc. XIII International SAUM Conference on Systems, Automatic Control and Measurements, Nis, Serbia, pp. 1-8, 2016, https://scholar.google.com,

25.    R.-C. Roman, M.-B. Radac and R.-E. Precup, "Mixed MFC-VRFT approach for a multivariable aerodynamic system position control," in Proc. 2016 IEEE International Conference on Systems, Man, and Cybernetics, Budapest, Hungary, pp. 2615-2620, 2016, https://ieeexplore.ieee.org,

26.    R.-E. Precup, M.-B. Radac, E. M. Petriu, R.-C. Roman, T.-A. Teban and A.-I. Szedlak-Stinean, "Evolving fuzzy models for the position control of twin rotor aerodynamic systems," in Proc. 2016 IEEE 14th International Conference on Industrial Informatics, Poitiers, France, pp. 237-242, 2016, https://ieeexplore.ieee.org,

27.    M.-B. Radac, R.-E. Precup and R.-C. Roman, "Data-driven virtual reference feedback tuning and reinforcement Q-learning for model-free position control of an aerodynamic system," in Proc. 2016 24th Mediterranean Conference on Control and Automation (MED), Athens, Greece, pp. 1126-1132, 2016, https://ieeexplore.ieee.org,

28.    R.-C. Roman, M.-B. Radac, R.-E. Precup and A.-I. Stinean, "Two data-driven control algorithms for a MIMO aerodynamic system with experimental validation," in Proc. 2015 19th International Conference on System Theory, Control and Computing, Cheile Gradistei, Romania, pp. 736-741, 2015, https://ieeexplore.ieee.org,

29.    R.-C. Roman, M.-B. Radac, R.-E. Precup and E.M. Petriu, "Data-driven optimal model-free control of twin rotor aerodynamic systems," in Proc. 2015 IEEE International Conference on Industrial Technology, Seville, Spain, pp. 161-166, 2015, https://ieeexplore.ieee.org,

30.    M.-B. Radac, R.-C. Roman, R.-E. Precup and E. M. Petriu, "Data-driven model-free control of twin rotor aerodynamic systems: algorithms and experiments," in Proc. 2014 IEEE International Symposium on Intelligent Control, Antibes, France, pp. 1889-1894, 2014, https://ieeexplore.ieee.org,

31.    R.-C. Roman, M.-B. Radac and R.-E. Precup, "Data-driven model-free adaptive control of twin rotor aerodynamic systems," in Proc. IEEE 9th International Symposium on Applied Computational Intelligence and Informatics, Timisoara, Romania, pp. 25-30, 2014, https://ieeexplore.ieee.org,

32.    M.-B. Radac, R.-C. Roman, R.-E. Precup, E. M. Petriu, C.-A. Dragos and S. Preitl, "Data-based tuning of linear controllers for MIMO twin rotor systems," in Proc. 2013 IEEE EUROCON, Zagreb, Croatia, pp. 1915-1920, 2013, https://ieeexplore.ieee.org,