Selaus Yksikön / Tiedekunnan mukaanArtikkelitTekniikan ja innovaatiojohtamisen yksikkö

    • A Business Model Incorporating Harmonic Control as a Value-added Service for Utility-owned Electricity Retailers 

      Li, Kangping; Mu, Qitian; Wang, Fei; Gao, Yajing; Li, Gang; Shafie-khah, Miadreza; Catalão, João P. S.; Yang, Yongchun; Re, Jiafeng (Institute of Electrical and Electronic Engineers, 13.06.2019)
      With the deepening of electricity market reform in China, the competition in the electricity retail market becomes increasingly intense. Electricity retailers (ERs) need to explore new business models to enhance their ...
    • A class of multi-parametric quadratic program with an uncertain objective function 

      Wei, Wei; Wu, Danman; Wang, Zhaojian; Shafie-khah, Miadreza; Catalão, João P.S. (Elsevier, 12.07.2020)
      In this paper we analyze a class of multi-parametric quadratic program (mpQP) with parameters in the objective function. Except for parameters in coefficients associated with the linear term, the coefficient of the quadratic ...
    • A Class of Sectorial Relations and the Associated Closed Forms 

      Hassi, Seppo; de Snoo, H. S. V.; Alpay, Daniel; Fritzsche, Bern; Kirstein, Bernd (Springer Nature, 19.09.2020)
      Let T be a closed linear relation from a Hilbert space H to a Hilbert space K and let B ∈ B(K) be selfadjoint. It will be shown that the relation T∗(I+iB)T is maximal sectorial via a matrix decomposition of B with respect ...
    • A comprehensive linear model for demand response optimization problem 

      Heydarian-Forushani, Ehsan; Golshan, Mohamad Esmail Hamedani; Shafie-khah, Miadreza; Catalão, João P.S. (Elsevier, 15.10.2020)
      Demand Response (DR) is known as an effective solution for many power grid problems such as high operating cost as well as high peak demand. In order to achieve full potential of DR programs, DR must be implemented optimally. ...
    • A Concept Schema of a Portable IoT-Sensor System for Smartphones 

      Martinkauppi, J. Birgitta (IEEE, 02.11.2020)
      Many new buildings have already a system in which user can adjust the temperature. Some of them have even a temperature sensor or wireless monitoring and control system via Internet of Things. These systems are typically ...
    • A Dynamic Collusion Analysis Framework Considering Generation and Transmission Systems Maintenance Constraints 

      Tabatabaei, Mostafa; Setayesh Nazar, Mehrdad; Shafie-khah, Miadreza; Catalão, João P. S. (IEEE, 13.10.2020)
      Capacity withholding of generation companies is an important issue in market monitoring procedures. The capacity withholding can be intensified in the transmission and generation constrained system. The strategic maintenance ...
    • A Framework for Assessing the Social and Economic Impact of Sustainable Investments 

      Räikkönen, Minna; Kunttu, Susanna; Uusitalo, Teuvo; Takala, Josu; Shakeel, Shah Rukh; Tilabi, Sara; Forss, Teppo; Koivunen, Juha (De Gruyter Open, 03.07.2016)
      Investments towards sustainable development are vital for the future and they must be carefully planned to deliver immediate and long-term benefits. Hence, the ability to communicate the forms of impact of sustainable ...
    • A general mathematical model for LVRT capability assessment of DER-penetrated distribution networks 

      Salyani, Pouya; Zare, Kazem; Abapour, Mehdi; Safari, Amin; Shafie-Khah, Miadreza (IEEE, 03.07.2020)
      Low voltage ride through (LVRT) is one of the indispensable issues of recent decade in the context of grid codes. LVRT stands for the ability of a generation facility to stay connected during the voltage dip. Despite the ...
    • A Local Capacity Market Providing Local and System-wide Flexibility Services 

      Khajeh, Hosna; Firoozi, Hooman; Hesamzadeh, Mohammad Reza; Laaksonen, Hannu; Shafie-Khah, Miadreza (IEEE, 31.03.2021)
      A large amount of renewable energy sources and electric vehicles will be integrated into future electricity distribution and transmission systems. New flexibility services from distribution network are needed to manage the ...
    • A minutely solar irradiance forecasting method based on real-time sky image-irradiance mapping model 

      Wang, Fei; Xuan, Zhiming; Zhen, Zhao; Li, Yu; Li, Kangping; Zhao, Liqiang; Shafie-khah, Miadreza; Catalão, João P.S. (Elsevier, 15.09.2020)
      Accurate minutely solar irradiance forecasting is the basis of minute-level photovoltaic (PV) power forecasting. In this paper, a minutely solar irradiance forecasting method based on real-time surface irradiance mapping ...
    • A New Control Strategy for Harmonic Mitigation Using Open UPQC in Modern LV Networks 

      Faranda, R.; Kazemi-Robati, E.; Sepasian, M. S.; Akkala, K.; Hafezi, H. (IEEE, 21.11.2019)
      The higher penetration of both renewable generation units and nonlinear loads is leading to higher levels of harmonics in microgrids and modern distribution systems. Accordingly, the operation of the sensitive loads in the ...
    • A New Impedance-Based Main and Backup Protection Scheme for Active Distribution Lines in AC Microgrids 

      Nobakhti, Seyyed Mohammad; Ketabi, Abbas; Shafie-khah, Miadreza (MDPI, 06.01.2021)
      Microgrids active characteristics such as grid-connected or islanded operation mode, the distributed generators with an intermittent nature, and bidirectional power flow in active distribution lines lead to malfunction of ...
    • A New Local Market Structure for Meeting Customer-Level Flexibility Needs 

      Khajeh, Hosna; Firoozi, Hooman; Laaksonen, Hannu; Shafie-khah, Miadreza (IEEE, 22.09.2020)
      Flexibility issues are the main problems arising from the high injection of renewables and distributed energy resources. In order to solve this problem, flexibility potential of distribution-located flexible energy resources ...
    • A novel combined evolutionary algorithm for optimal planning of distributed generators in radial distribution systems 

      Mahfoud, Rabea Jamil; Sun, Yonghui; Alkayem, Nizar Faisal; Haes Alhelou, Hassan; Siano, Pierluigi; Shafie-khah, Miadreza (MDPI, 17.08.2019)
      In this paper, a novel, combined evolutionary algorithm for solving the optimal planning of distributed generators (OPDG) problem in radial distribution systems (RDSs) is proposed. This algorithm is developed by uniquely ...
    • A novel methodology and new concept of structural dynamic moisture buffering for modeling building moisture dynamics 

      Lü, Xiaoshu; Lu, Tao; Kibert, Charles; Zhang, Qunli; Hughes, Mar (Elsevier, 19.05.2020)
      This paper presents a new methodology that takes a physical-statistical approach to dynamically model indoor air humidity and moisture transport in building structures. A new concept, structural dynamics moisture buffer ...
    • A novel methodology for the path alignment of visual SLAM in indoor construction inspection 

      Lu, Tao; Tervola, Sonja; Lü, Xiaoshu; Kibert, Charles J.; Zhang, Qunli; Li, Tong; Yao, Zhitong (Elsevier, 01.07.2021)
      Path alignment is the process of mapping an indoor construction inspection path reconstructed by a visual SLAM system onto a 2D map with user interaction required to pinpoint at least two common tie points. In practice, ...
    • A Peer-to-Peer Energy Trading Framework for Wind Power Producers With Load Serving Entities in Retailing Layer 

      Rashidizadeh-Kermani, Homa; Vahedipour-Dahraie, Mostafa; Shafie-khah, Miadreza; Siano, Pierluigi (IEEE, 05.01.2021)
      This article proposes a peer-to-peer (P2P) energy trading framework for wind power producer (WPP) in the retailing layer to increase its revenue and to promote wind power utilization. In this framework, the WPP can provide ...
    • A preliminary assessment of industrial symbiosis in Sodankylä 

      Haq, Hafiz; Välisuo, Petri; Kumpulainen, Lauri; Tuomi, Ville; Niemi, Seppo (Elsevier, 01.12.2020)
      This study focuses on developing a possible architecture of planned industrial symbiosis in Sodankylä, Finland. The municipality of Sodankylä is considering the establishment of new businesses to boost the region's local ...
    • A preliminary test for using a borehole as cool storage 

      Martinkauppi, J.B.; Syrjälä, T.; Mäkiranta, A.; Hiltunen, E. (Faculty of Mechanical Engineering and Naval Architecture, Zagreb, 2020)
      This paper describes a preliminary test for using a borehole as a cool storage. The testing was done using a dry borehole in Vaasa area. The cooling was done using a special trailer in period of 9 days after which the ...
    • A Qualitative Approach For Assessing Resiliency In Supply Chains 

      Nikookar, Hassan; Takala, Josu; Sahebi, Daniel; Kantola, Jussi (Polish Association for Production Management, 12 / 2014)
      The ultimate goal of this study is to develop a comprehensive and competitive management system to enhance resilience capability of supply chains. In addition, the study aims to identify and eliminate barriers affecting ...