Electrical and Electronics Engineering
2017 |
Desde, Irem; Bozdag, Goksenin; Kustepeli, Alp 2017, ISSN: 10982760. @misc{Desde2017, title = {Erratum to: Multi-band CPW fed MIMO antenna for bluetooth, WLAN, and WiMAX applications (Microwave and Optical Technology Letters, (2016), 58, 9, (2182-2186), 10.1002/mop.30001)}, author = {Irem Desde and Goksenin Bozdag and Alp Kustepeli}, doi = {10.1002/mop.30508}, issn = {10982760}, year = {2017}, date = {2017-01-01}, booktitle = {Microwave and Optical Technology Letters}, keywords = {}, pubstate = {published}, tppubtype = {misc} } |
Gumus, A; Alam, A; Hussain, AM; Mishra, K; Wicaksono, I; Sevilla, GA Torres; ..., Expandable Polymer Enabled Wirelessly Destructible High‐Performance Solid State Electronics Journal Article Advanced Materials Technologies, 2 (5), pp. 1600264–1600264, 2017. @article{pop00017b, title = {Expandable Polymer Enabled Wirelessly Destructible High‐Performance Solid State Electronics}, author = {A Gumus and A Alam and AM Hussain and K Mishra and I Wicaksono and GA Torres Sevilla and ...}, year = {2017}, date = {2017-01-01}, journal = {Advanced Materials Technologies}, volume = {2}, number = {5}, pages = {1600264--1600264}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
İde, C; Yüksel, K Fiber optik sensörler ile sıvılarda kırılma indisi ölçüm yöntemlerinin analizi Journal Article IEEE, 2017. @article{pop00036b, title = {Fiber optik sensörler ile sıvılarda kırılma indisi ölçüm yöntemlerinin analizi}, author = {C İde and K Yüksel}, year = {2017}, date = {2017-01-01}, journal = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Kutbee, Arwa T; Bahabry, Rabab R; Alamoudi, Kholod O; Ghoneim, Mohamed T; Cordero, Marlon D; Almuslem, Amani S; Gumus, Abdurrahman; Diallo, Elhadj M; Nassar, Joanna M; Hussain, Aftab M; Khashab, Niveen M; Hussain, Muhammad M Flexible and biocompatible high-performance solid-state micro-battery for implantable orthodontic system Journal Article npj Flexible Electronics, 2017. @article{Kutbee2017, title = {Flexible and biocompatible high-performance solid-state micro-battery for implantable orthodontic system}, author = {Arwa T Kutbee and Rabab R Bahabry and Kholod O Alamoudi and Mohamed T Ghoneim and Marlon D Cordero and Amani S Almuslem and Abdurrahman Gumus and Elhadj M Diallo and Joanna M Nassar and Aftab M Hussain and Niveen M Khashab and Muhammad M Hussain}, doi = {10.1038/s41528-017-0008-7}, year = {2017}, date = {2017-01-01}, journal = {npj Flexible Electronics}, abstract = {To augment the quality of our life, fully compliant personalized advanced health-care electronic system is pivotal. One of the major requirements to implement such systems is a physically flexible high-performance biocompatible energy storage (battery). However, the status-quo options do not match all of these attributes simultaneously and we also lack in an effective integration strategy to integrate them in complex architecture such as orthodontic domain in human body. Here we show, a physically complaint lithium-ion micro-battery (236 $mu$g) with an unprecedented volumetric energy (the ratio of energy to device geometrical size) of 200 mWh/cm3 after 120 cycles of continuous operation. Our results of 90% viability test confirmed the battery's biocompatibility. We also show seamless integration of the developed battery in an optoelectronic system embedded in a three-dimensional printed smart dental brace. We foresee the resultant orthodontic system as a personalized advanced health-care application, which could serve in faster bone regeneration and enhanced enamel health-care protection and subsequently reducing the overall health-care cost. There is an increasing demand for advanced healthcare electronics. That can be powered by physically flexible, biocompatible and high performance energy storage devices. However, existing technologies do not allow a combination of all favorable attributes in a single system. Now Muhammad Hussain and co-workers from King Abdullah University of Science and Technology in Saudi Arabia show a physically compliant lithium ion micro-battery with an unprecedented high volumetric energy after cycling 120 times. They further integrate the battery module in a 3D printed encapsulation with near-infrared LEDs to demonstrate a smart dental brace. The present orthodontic system may be used as a personalized healthcare device that serves in faster bone regeneration and enhanced enamel healthcare protection with cost benefits.}, keywords = {}, pubstate = {published}, tppubtype = {article} } To augment the quality of our life, fully compliant personalized advanced health-care electronic system is pivotal. One of the major requirements to implement such systems is a physically flexible high-performance biocompatible energy storage (battery). However, the status-quo options do not match all of these attributes simultaneously and we also lack in an effective integration strategy to integrate them in complex architecture such as orthodontic domain in human body. Here we show, a physically complaint lithium-ion micro-battery (236 $mu$g) with an unprecedented volumetric energy (the ratio of energy to device geometrical size) of 200 mWh/cm3 after 120 cycles of continuous operation. Our results of 90% viability test confirmed the battery's biocompatibility. We also show seamless integration of the developed battery in an optoelectronic system embedded in a three-dimensional printed smart dental brace. We foresee the resultant orthodontic system as a personalized advanced health-care application, which could serve in faster bone regeneration and enhanced enamel health-care protection and subsequently reducing the overall health-care cost. There is an increasing demand for advanced healthcare electronics. That can be powered by physically flexible, biocompatible and high performance energy storage devices. However, existing technologies do not allow a combination of all favorable attributes in a single system. Now Muhammad Hussain and co-workers from King Abdullah University of Science and Technology in Saudi Arabia show a physically compliant lithium ion micro-battery with an unprecedented high volumetric energy after cycling 120 times. They further integrate the battery module in a 3D printed encapsulation with near-infrared LEDs to demonstrate a smart dental brace. The present orthodontic system may be used as a personalized healthcare device that serves in faster bone regeneration and enhanced enamel healthcare protection with cost benefits. |
Tuncer, Esra; Olcay, Bilal Orkan; Unlu, Mehmet Zubeyir Handwritten character recognition using Empirical Mode Decomposition applied writing movements Inproceedings 2017. @inproceedings{Tuncer2017, title = {Handwritten character recognition using Empirical Mode Decomposition applied writing movements}, author = {Esra Tuncer and Bilal Orkan Olcay and Mehmet Zubeyir Unlu}, doi = {10.1109/siu.2017.7960527}, year = {2017}, date = {2017-01-01}, abstract = {textcopyright 2017 IEEE. In this paper, handwritten character recognition by using characters' writing movements is investigated. To obtain the information about writing movements a 3-axis accelerometer is used. Just like most of other sensors, 3-axis accelerometers give the actual movement signal as well as noise. Before the recognition step, all of the signals need to be preprocessed and the noisy parts need to be removed. So, Empirical Mode Decomposition (EMD) and normalization preprocessing steps are applied to the signals. Finally, the signals in the dataset are compared with Dynamic Time Warping for classification and accurate classification rate of 91.92% is obtained.}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } textcopyright 2017 IEEE. In this paper, handwritten character recognition by using characters' writing movements is investigated. To obtain the information about writing movements a 3-axis accelerometer is used. Just like most of other sensors, 3-axis accelerometers give the actual movement signal as well as noise. Before the recognition step, all of the signals need to be preprocessed and the noisy parts need to be removed. So, Empirical Mode Decomposition (EMD) and normalization preprocessing steps are applied to the signals. Finally, the signals in the dataset are compared with Dynamic Time Warping for classification and accurate classification rate of 91.92% is obtained. |
Özbek, Berna; Pischella, Mylene; Ruyet, Didier Le Interference management for multiuser multiantenna OFDMA underlaying device-to-device communications Inproceedings Proceedings of the International Symposium on Wireless Communication Systems, 2017, ISSN: 21540225. @inproceedings{Ozbek2017bb, title = {Interference management for multiuser multiantenna OFDMA underlaying device-to-device communications}, author = {Berna Özbek and Mylene Pischella and Didier Le Ruyet}, doi = {10.1109/ISWCS.2017.8108156}, issn = {21540225}, year = {2017}, date = {2017-01-01}, booktitle = {Proceedings of the International Symposium on Wireless Communication Systems}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
Özbek, B; Bayrak, U Joint beamforming and power control technique for femtocell networks Journal Article Wireless Personal Communications, 95 (4), pp. 4903–4916, 2017. @article{pop00053, title = {Joint beamforming and power control technique for femtocell networks}, author = {B Özbek and U Bayrak}, year = {2017}, date = {2017-01-01}, journal = {Wireless Personal Communications}, volume = {95}, number = {4}, pages = {4903--4916}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Topal, OA; Kurt, GK; Özbek, B Key Error Rates in Physical Layer Key Generation: Theoretical Analysis and Measurement-Based Verification Journal Article IEEE Wireless Communications Letters, 6 (6), pp. 766–769, 2017. @article{pop00030b, title = {Key Error Rates in Physical Layer Key Generation: Theoretical Analysis and Measurement-Based Verification}, author = {OA Topal and GK Kurt and B Özbek}, year = {2017}, date = {2017-01-01}, journal = {IEEE Wireless Communications Letters}, volume = {6}, number = {6}, pages = {766--769}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Ekici, C; Dinleyici, MS Kırınım yöntemi kullanılarak zeytinyağındaki tağşişin belirlenmesi Journal Article IEEE, 2017. @article{pop00018g, title = {Kırınım yöntemi kullanılarak zeytinyağındaki tağşişin belirlenmesi}, author = {C Ekici and MS Dinleyici}, year = {2017}, date = {2017-01-01}, journal = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Yılmaz, A; Kartav, O; Yüksel, K Kompozit malzemelerde üretim süreçlerinin gözetimi için fiber optik tabanlı sensör sistemi tasarım ve analizi Journal Article IEEE, 2017. @article{pop00035c, title = {Kompozit malzemelerde üretim süreçlerinin gözetimi için fiber optik tabanlı sensör sistemi tasarım ve analizi}, author = {A Yılmaz and O Kartav and K Yüksel}, year = {2017}, date = {2017-01-01}, journal = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Jason, J; Yuksel, K; Wuilpart, M Laboratory evaluation of a phase-OTDR setup for railway monitoring applications Journal Article IEEE Photonics Society, 22nd Annual Symposium, Delft (The Netherlands), pp …, 2017. @article{pop00014d, title = {Laboratory evaluation of a phase-OTDR setup for railway monitoring applications}, author = {J Jason and K Yuksel and M Wuilpart}, year = {2017}, date = {2017-01-01}, journal = {IEEE Photonics Society, 22nd Annual Symposium, Delft (The Netherlands), pp …}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Karatas, Azad; Ozbek, Berna; Sonmez, Ilker; Bengur, Sidika Load based cell selection algorithm for Tetra based professional mobile radio Inproceedings 24th Telecommunications Forum, TELFOR 2016, 2017, ISBN: 9788674666494. @inproceedings{Karatas2017, title = {Load based cell selection algorithm for Tetra based professional mobile radio}, author = {Azad Karatas and Berna Ozbek and Ilker Sonmez and Sidika Bengur}, doi = {10.1109/TELFOR.2016.7818782}, isbn = {9788674666494}, year = {2017}, date = {2017-01-01}, booktitle = {24th Telecommunications Forum, TELFOR 2016}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
Ahmed, A; Savaci, FA Measure of Covertness based on the imperfect synchronization of an eavesdropper in Random Communication Systems Journal Article 2017 10th International Conference on Electrical and Electronics Engineering …, 2017. @article{pop00015b, title = {Measure of Covertness based on the imperfect synchronization of an eavesdropper in Random Communication Systems}, author = {A Ahmed and FA Savaci}, year = {2017}, date = {2017-01-01}, journal = {2017 10th International Conference on Electrical and Electronics Engineering …}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Tanyer, Ilker; Tatlicioglu, Enver; Zergeroglu, Erkan Model reference tracking control of an aircraft: a robust adaptive approach Journal Article International Journal of Systems Science, 2017, ISSN: 14645319. @article{Tanyer2017, title = {Model reference tracking control of an aircraft: a robust adaptive approach}, author = {Ilker Tanyer and Enver Tatlicioglu and Erkan Zergeroglu}, doi = {10.1080/00207721.2016.1261200}, issn = {14645319}, year = {2017}, date = {2017-01-01}, journal = {International Journal of Systems Science}, abstract = {This work presents the design and the corresponding analysis of a nonlinear robust adaptive controller for model reference tracking of an aircraft that has parametric uncertainties in its system matrices and additive state- and/or time-dependent nonlinear disturbance-like terms in its dynamics. Specifically, robust integral of the sign of the error feedback term and an adaptive term is fused with a proportional integral controller. Lyapunov-based stability analysis techniques are utilised to prove global asymptotic convergence of the output tracking error. Extensive numerical simulations are presented to illustrate the performance of the proposed robust adaptive controller.}, keywords = {}, pubstate = {published}, tppubtype = {article} } This work presents the design and the corresponding analysis of a nonlinear robust adaptive controller for model reference tracking of an aircraft that has parametric uncertainties in its system matrices and additive state- and/or time-dependent nonlinear disturbance-like terms in its dynamics. Specifically, robust integral of the sign of the error feedback term and an adaptive term is fused with a proportional integral controller. Lyapunov-based stability analysis techniques are utilised to prove global asymptotic convergence of the output tracking error. Extensive numerical simulations are presented to illustrate the performance of the proposed robust adaptive controller. |
Cobanoglu, Necati; Tatlicioglu, Enver; Zergeroglu, Erkan Neural network based repetitive learning control of robot manipulators Inproceedings Proceedings of the American Control Conference, 2017, ISSN: 07431619. @inproceedings{Cobanoglu2017, title = {Neural network based repetitive learning control of robot manipulators}, author = {Necati Cobanoglu and Enver Tatlicioglu and Erkan Zergeroglu}, doi = {10.23919/ACC.2017.7963781}, issn = {07431619}, year = {2017}, date = {2017-01-01}, booktitle = {Proceedings of the American Control Conference}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } |
Tatlicioglu, E; Cobanoglu, N; Zergeroglu, E Neural Network-Based Repetitive Learning Control of Euler Lagrange Systems: An Output Feedback Approach Journal Article IEEE Control Systems Letters, 2 (1), pp. 13–18, 2017. @article{pop00082b, title = {Neural Network-Based Repetitive Learning Control of Euler Lagrange Systems: An Output Feedback Approach}, author = {E Tatlicioglu and N Cobanoglu and E Zergeroglu}, year = {2017}, date = {2017-01-01}, journal = {IEEE Control Systems Letters}, volume = {2}, number = {1}, pages = {13--18}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Karakuş, O; Kuruoğlu, EE; Altinkaya, MA Nonlinear model selection for PARMA processes using RJMCMC Journal Article 2017 25th European Signal Processing Conference (EUSIPCO), pp. 2056–2060, 2017. @article{pop00006e, title = {Nonlinear model selection for PARMA processes using RJMCMC}, author = {O Karakuş and EE Kuruoğlu and MA Altinkaya}, year = {2017}, date = {2017-01-01}, journal = {2017 25th European Signal Processing Conference (EUSIPCO)}, pages = {2056--2060}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Bidikli, Baris; Tatlicioglu, Enver; Zergeroglu, Erkan Observer-based adaptive output feedback tracking control of dynamically positioned surface vessels Journal Article Journal of Marine Science and Technology (Japan), 2017, ISSN: 09484280. @article{Bidikli2017bb, title = {Observer-based adaptive output feedback tracking control of dynamically positioned surface vessels}, author = {Baris Bidikli and Enver Tatlicioglu and Erkan Zergeroglu}, doi = {10.1007/s00773-016-0417-7}, issn = {09484280}, year = {2017}, date = {2017-01-01}, journal = {Journal of Marine Science and Technology (Japan)}, abstract = {textcopyright 2016 JASNAOEIn this work, we propose an observer-based adaptive output feedback tracking controller for dynamically positioned surface vessels. Specifically, to remove the velocity measurement dependency of the control formulation a nonlinear, model-free observer formulation have been proposed. The proposed observer does not make use of the system dynamics and together with the proposed controller structure ensure that the tracking error signal and the velocity estimation error asymptotically converges to zero. Stability of the closed-loop system is ensured by Lyapunov-based arguments. Simulation studies are also presented to illustrate the effectiveness of the proposed method.}, keywords = {}, pubstate = {published}, tppubtype = {article} } textcopyright 2016 JASNAOEIn this work, we propose an observer-based adaptive output feedback tracking controller for dynamically positioned surface vessels. Specifically, to remove the velocity measurement dependency of the control formulation a nonlinear, model-free observer formulation have been proposed. The proposed observer does not make use of the system dynamics and together with the proposed controller structure ensure that the tracking error signal and the velocity estimation error asymptotically converges to zero. Stability of the closed-loop system is ensured by Lyapunov-based arguments. Simulation studies are also presented to illustrate the effectiveness of the proposed method. |
Bidikli, Baris; Tatlicioglu, Enver; Zergeroglu, Erkan Observer-based adaptive output feedback tracking control of dynamically positioned surface vessels Journal Article Journal of Marine Science and Technology (Japan), 2017, ISSN: 09484280. @article{Bidikli2017bb, title = {Observer-based adaptive output feedback tracking control of dynamically positioned surface vessels}, author = {Baris Bidikli and Enver Tatlicioglu and Erkan Zergeroglu}, doi = {10.1007/s00773-016-0417-7}, issn = {09484280}, year = {2017}, date = {2017-01-01}, journal = {Journal of Marine Science and Technology (Japan)}, abstract = {textcopyright 2016 JASNAOEIn this work, we propose an observer-based adaptive output feedback tracking controller for dynamically positioned surface vessels. Specifically, to remove the velocity measurement dependency of the control formulation a nonlinear, model-free observer formulation have been proposed. The proposed observer does not make use of the system dynamics and together with the proposed controller structure ensure that the tracking error signal and the velocity estimation error asymptotically converges to zero. Stability of the closed-loop system is ensured by Lyapunov-based arguments. Simulation studies are also presented to illustrate the effectiveness of the proposed method.}, keywords = {}, pubstate = {published}, tppubtype = {article} } textcopyright 2016 JASNAOEIn this work, we propose an observer-based adaptive output feedback tracking controller for dynamically positioned surface vessels. Specifically, to remove the velocity measurement dependency of the control formulation a nonlinear, model-free observer formulation have been proposed. The proposed observer does not make use of the system dynamics and together with the proposed controller structure ensure that the tracking error signal and the velocity estimation error asymptotically converges to zero. Stability of the closed-loop system is ensured by Lyapunov-based arguments. Simulation studies are also presented to illustrate the effectiveness of the proposed method. |
Aksoy, O; Zergeroglu, E; Tatlicioglu, E On adaptive output feedback controf robotic manipulators with online disturbance estimation Journal Article Journal of Intelligent & Robotic Systems 85 (3-4), pp. 633–649, 2017. @article{pop00083b, title = {On adaptive output feedback controf robotic manipulators with online disturbance estimation}, author = {O Aksoy and E Zergeroglu and E Tatlicioglu}, year = {2017}, date = {2017-01-01}, journal = {Journal of Intelligent & Robotic Systems 85 (3-4)}, pages = {633--649}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Al-Qamaji, Ali; Atakan, Baris On exploiting spatial correlation for energy harvesting wireless sensor networks Inproceedings 2017 25th Signal Processing and Communications Applications Conference, SIU 2017, 2017, ISBN: 9781509064946. @inproceedings{Al-Qamaji2017, title = {On exploiting spatial correlation for energy harvesting wireless sensor networks}, author = {Ali Al-Qamaji and Baris Atakan}, doi = {10.1109/SIU.2017.7960620}, isbn = {9781509064946}, year = {2017}, date = {2017-01-01}, booktitle = {2017 25th Signal Processing and Communications Applications Conference, SIU 2017}, abstract = {Wireless Sensor Network (WSN) is a set of inexpensive densely deployed sensor nodes with limited functionalities and scarcity in energies. The observations of sensors are forwarded directly to the Base Station (BS). In densely deployed sensors, sensing data are likely to be highly correlated in space domain, which produces unfavorable redundant readings and wasting in energy. In this paper, we propose an Event Distortion Based Node Selection (EDNS) algorithm which exploits spatial correlation for reducing inessential sensor nodes that have correlated readings for improving Energy-Efficiency (EE) with acceptable distortion level. Furthermore, we derive a theoretical framework of distortion function for single-hop communication model to observe the advantages from energy harvesting to the accuracy level. Furthermore, the trade-off between energy consumption and distortion level is investigated.}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } Wireless Sensor Network (WSN) is a set of inexpensive densely deployed sensor nodes with limited functionalities and scarcity in energies. The observations of sensors are forwarded directly to the Base Station (BS). In densely deployed sensors, sensing data are likely to be highly correlated in space domain, which produces unfavorable redundant readings and wasting in energy. In this paper, we propose an Event Distortion Based Node Selection (EDNS) algorithm which exploits spatial correlation for reducing inessential sensor nodes that have correlated readings for improving Energy-Efficiency (EE) with acceptable distortion level. Furthermore, we derive a theoretical framework of distortion function for single-hop communication model to observe the advantages from energy harvesting to the accuracy level. Furthermore, the trade-off between energy consumption and distortion level is investigated. |
Cetin, Kamil; Tatlicioglu, Enver; Zergeroglu, Erkan On null-space control of kinematically redundant robot manipulators Inproceedings 2016 European Control Conference, ECC 2016, 2017, ISBN: 9781509025916. @inproceedings{Cetin2017b, title = {On null-space control of kinematically redundant robot manipulators}, author = {Kamil Cetin and Enver Tatlicioglu and Erkan Zergeroglu}, doi = {10.1109/ECC.2016.7810367}, isbn = {9781509025916}, year = {2017}, date = {2017-01-01}, booktitle = {2016 European Control Conference, ECC 2016}, abstract = {textcopyright 2016 EUCA.In this study, we consider the null-space control problem of redundant robot manipulators. Specifically for robot manipulators with kinematically redundancy where at least one extra degree of freedom is present, we introduce a sub-task controller that will ensure the use of the extra degrees of freedom for possible control purposes while still ensuring the main objective. The stability of the main (end-effector tracking) and sub-task objectives are obtained via Lyapunov based arguments. Extension to adaptive controller formulation for robotic devices with uncertain system dynamics is also presented. Numerical studies for the adaptive controller are presented to illustrate the liability of the proposed method.}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } textcopyright 2016 EUCA.In this study, we consider the null-space control problem of redundant robot manipulators. Specifically for robot manipulators with kinematically redundancy where at least one extra degree of freedom is present, we introduce a sub-task controller that will ensure the use of the extra degrees of freedom for possible control purposes while still ensuring the main objective. The stability of the main (end-effector tracking) and sub-task objectives are obtained via Lyapunov based arguments. Extension to adaptive controller formulation for robotic devices with uncertain system dynamics is also presented. Numerical studies for the adaptive controller are presented to illustrate the liability of the proposed method. |
Karakuş, Oktay; Kuruoğlu, Ercan E; Altınkaya, Mustafa A One-day ahead wind speed/power prediction based on polynomial autoregressive model Journal Article IET Renewable Power Generation, 2017, ISSN: 1752-1416. @article{Karakus2017, title = {One-day ahead wind speed/power prediction based on polynomial autoregressive model}, author = {Oktay Karakuş and Ercan E Kuruoğlu and Mustafa A Altınkaya}, doi = {10.1049/iet-rpg.2016.0972}, issn = {1752-1416}, year = {2017}, date = {2017-01-01}, journal = {IET Renewable Power Generation}, abstract = {textcopyright The Institution of Engineering and Technology 2017. Wind has been one of the popular renewable energy generation methods in the last decades. Foreknowledge of power to be generated from wind is crucial especially for planning and storing the power. It is evident in various experimental data that wind speed time series has non-linear characteristics. It has been reported in the literature that nonlinear prediction methods such as artificial neural network (ANN) and adaptive neuro fuzzy inference system (ANFIS) perform better than linear autoregressive (AR) and AR moving average models. Polynomial AR (PAR) models, despite being non-linear, are simpler to implement when compared with other non-linear AR models due to their linear-in-the-parameters property. In this study, a PAR model is used for one-day ahead wind speed prediction by using the past hourly average wind speed measurements of Ceşme and Bandon and performance comparison studies between PAR and ANN-ANFIS models are performed. In addition, wind power data which was published for Global Energy Forecasting Competition 2012 has been used to make power predictions. Despite having lower number of model parameters, PAR models outperform all other models for both of the locations in speed predictions as well as in power predictions when the prediction horizon is longer than 12 h.}, keywords = {}, pubstate = {published}, tppubtype = {article} } textcopyright The Institution of Engineering and Technology 2017. Wind has been one of the popular renewable energy generation methods in the last decades. Foreknowledge of power to be generated from wind is crucial especially for planning and storing the power. It is evident in various experimental data that wind speed time series has non-linear characteristics. It has been reported in the literature that nonlinear prediction methods such as artificial neural network (ANN) and adaptive neuro fuzzy inference system (ANFIS) perform better than linear autoregressive (AR) and AR moving average models. Polynomial AR (PAR) models, despite being non-linear, are simpler to implement when compared with other non-linear AR models due to their linear-in-the-parameters property. In this study, a PAR model is used for one-day ahead wind speed prediction by using the past hourly average wind speed measurements of Ceşme and Bandon and performance comparison studies between PAR and ANN-ANFIS models are performed. In addition, wind power data which was published for Global Energy Forecasting Competition 2012 has been used to make power predictions. Despite having lower number of model parameters, PAR models outperform all other models for both of the locations in speed predictions as well as in power predictions when the prediction horizon is longer than 12 h. |
Cetin, Kamil; Bayrak, Alper; Tatlicioglu, Enver Online time delay estimation in networked control systems with application to bilateral teleoperation Inproceedings 2016 European Control Conference, ECC 2016, 2017, ISBN: 9781509025916. @inproceedings{Cetin2017a, title = {Online time delay estimation in networked control systems with application to bilateral teleoperation}, author = {Kamil Cetin and Alper Bayrak and Enver Tatlicioglu}, doi = {10.1109/ECC.2016.7810421}, isbn = {9781509025916}, year = {2017}, date = {2017-01-01}, booktitle = {2016 European Control Conference, ECC 2016}, abstract = {textcopyright 2016 EUCA. The problem of forward and backward time delays is significantly important for both control and feedback loop of networked control systems. These time delays give rise to latency in performance and thereby may destabilize the system. Therefore numerous methods have been proposed about time delay identification/estimation and compensation for networked control systems, especially for bilateral teleoperation systems. However, most compensation methods have been accomplished by considering offline time delay estimation for linear/nonlinear time delay control systems. In this work, we propose an observer based estimation algorithm for round trip delay which is the sum of forward and backward time delays for a 1 degree-of-freedom nonlinear bilateral teleoperation system. Via Lyapunov based stability analysis, global boundedness of the observer errors along with their ultimate convergence and the convergence of the round trip delay estimator to the vicinity of its real value can be guaranteed in the closed-loop system. Finally, simulation and experimental studies are carried out utilizing the last link of a PHANToM Omni Haptic device moving like a one-link robot in the vertical plane.}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } textcopyright 2016 EUCA. The problem of forward and backward time delays is significantly important for both control and feedback loop of networked control systems. These time delays give rise to latency in performance and thereby may destabilize the system. Therefore numerous methods have been proposed about time delay identification/estimation and compensation for networked control systems, especially for bilateral teleoperation systems. However, most compensation methods have been accomplished by considering offline time delay estimation for linear/nonlinear time delay control systems. In this work, we propose an observer based estimation algorithm for round trip delay which is the sum of forward and backward time delays for a 1 degree-of-freedom nonlinear bilateral teleoperation system. Via Lyapunov based stability analysis, global boundedness of the observer errors along with their ultimate convergence and the convergence of the round trip delay estimator to the vicinity of its real value can be guaranteed in the closed-loop system. Finally, simulation and experimental studies are carried out utilizing the last link of a PHANToM Omni Haptic device moving like a one-link robot in the vertical plane. |
Özdoğan, Ö; Özbek, B; Kurt, GK Performance of limited feedback secure miso systems in temporally correlated channels Journal Article 2017 25th Signal Processing and Communications Applications Conference (SIU …, 2017. @article{pop00054b, title = {Performance of limited feedback secure miso systems in temporally correlated channels}, author = {Ö Özdoğan and B Özbek and GK Kurt}, year = {2017}, date = {2017-01-01}, journal = {2017 25th Signal Processing and Communications Applications Conference (SIU …}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Ahmed, A; Savaci, FA Random communication system based on skewed alpha-stable levy noise shift keying Journal Article Fluctuation and Noise Letters, 16 (3), pp. 1750024–1750024, 2017. @article{pop00012, title = {Random communication system based on skewed alpha-stable levy noise shift keying}, author = {A Ahmed and FA Savaci}, year = {2017}, date = {2017-01-01}, journal = {Fluctuation and Noise Letters}, volume = {16}, number = {3}, pages = {1750024--1750024}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Ergun, Asli; Ergun, Serkan; Unlu, Mehmet Zubeyir; Gungor, Cengiz Registration and optimization in entropic graphs using branch skeleton features Inproceedings 2017. @inproceedings{Ergun2017, title = {Registration and optimization in entropic graphs using branch skeleton features}, author = {Asli Ergun and Serkan Ergun and Mehmet Zubeyir Unlu and Cengiz Gungor}, doi = {10.1109/siu.2017.7960448}, year = {2017}, date = {2017-01-01}, abstract = {textcopyright 2017 IEEE. In image registration process, it is necessary to find the similarity of the images and the translation, rotation and scaling transformation parameter values that maximize the similarity between the two images. When the similarity measure and related parameters are calculated, information theory based entropic graphs can be used. In this study, similarity and optimization measures are compared on different entropic graphs. It has been seen that skeleton branch feature points to build entropic graphs give successful results.}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } textcopyright 2017 IEEE. In image registration process, it is necessary to find the similarity of the images and the translation, rotation and scaling transformation parameter values that maximize the similarity between the two images. When the similarity measure and related parameters are calculated, information theory based entropic graphs can be used. In this study, similarity and optimization measures are compared on different entropic graphs. It has been seen that skeleton branch feature points to build entropic graphs give successful results. |
Topal, Ozan Alp; Kurt, Güneş Karabulut; Özbek, Berna Space-frequency grouping based key extraction for MIMO-OFDM systems Inproceedings Proceedings of the International Symposium on Wireless Communication Systems, 2017, ISSN: 21540225. @inproceedings{Topal2017a, title = {Space-frequency grouping based key extraction for MIMO-OFDM systems}, author = {Ozan Alp Topal and Güneş Karabulut Kurt and Berna Özbek}, doi = {10.1109/ISWCS.2017.8108133}, issn = {21540225}, year = {2017}, date = {2017-01-01}, booktitle = {Proceedings of the International Symposium on Wireless Communication Systems}, abstract = {textcopyright 2017 IEEE. Latest developments in wireless communication networks push the limits of conventional security methods. Security can be improved with a secret key that is dynamically generated based on the surrounding physical environment. With this objective, physical layer security approaches can be implemented by means of simple signal processing methods. In this paper, we propose novel key extraction approaches based on spatial and frequency characteristics of the wireless environment. In a 2 × 2 MIMO-OFDM system, low key disagreement rates and key error rates are observed, proving the potential of physical layer key extraction techniques.}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} } textcopyright 2017 IEEE. Latest developments in wireless communication networks push the limits of conventional security methods. Security can be improved with a secret key that is dynamically generated based on the surrounding physical environment. With this objective, physical layer security approaches can be implemented by means of simple signal processing methods. In this paper, we propose novel key extraction approaches based on spatial and frequency characteristics of the wireless environment. In a 2 × 2 MIMO-OFDM system, low key disagreement rates and key error rates are observed, proving the potential of physical layer key extraction techniques. |
Ahmed, Areeb; Savaci, Ferit Acar Synchronisation of alpha-stable levy noise-based Random Communication System Journal Article IET Communications, 2017, ISSN: 1751-8628. @article{Ahmed2017, title = {Synchronisation of alpha-stable levy noise-based Random Communication System}, author = {Areeb Ahmed and Ferit Acar Savaci}, doi = {10.1049/iet-com.2017.0925}, issn = {1751-8628}, year = {2017}, date = {2017-01-01}, journal = {IET Communications}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Savaci, Acar F; Göknar, Cem I Use of Matrix Pencils for Parameter Identification in Analog Circuits Journal Article IFAC Proceedings Volumes, 2017, ISSN: 14746670. @article{Savaci2017b, title = {Use of Matrix Pencils for Parameter Identification in Analog Circuits}, author = {Acar F Savaci and Cem I Göknar}, doi = {10.1016/s1474-6670(17)49790-4}, issn = {14746670}, year = {2017}, date = {2017-01-01}, journal = {IFAC Proceedings Volumes}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Hussain, MM; Gumus, A Wearable personalized medicinal platform Miscellaneous 2017. @misc{pop00021b, title = {Wearable personalized medicinal platform}, author = {MM Hussain and A Gumus}, year = {2017}, date = {2017-01-01}, keywords = {}, pubstate = {published}, tppubtype = {misc} } |