• The 2nd International Conference on Electrical Engineering 2018 (Pre Text) 

  Samarasinghe, R; Abeygunawardana, S [Conference-Full-text]
• High performance AC-AC regenerative 5-level NPC converter with capacitor voltage balancing 

  Karunadasa, JP; Bandara, IBH; Dayananda, WDD; Kumara, KGSU; Tennakoon, GMR [Conference-Full-text]

  Regenerative AC-AC converters are required for serving AC loads that draw and return power during operation, when input is also taken from an AC source. AC motor drives, static VAR compensators, harmonic compensators ...
• Design of a small electric vehicle charger with multi-ports 

  Wijesekera, A; Binduhewa, P [Conference-Full-text]

  In developing countries, small vehicles such as three-wheelers are one of the most commonly used public transportation method and considered as an efficient way to travel in the traffic. Even though the commonly used type ...
• Modeling and simulation of an electromechanical system for a hybrid rubber tire gantry crane 

  Bolonne, SRA; Chandima, DP [Conference-Full-text]

  This paper presents study on the modeling of a Rubber Tire Gantry Crane (RTGC) used in container terminals for container handling. The electrical systems and mechanical systems are modelled by specific blocks from the Power ...
• Design optimization of a power generator soundproofing enclosure 

  De Zoysa, ADN; Iroshan, KA; Premaratne, UK; Ehelepola, I [Conference-Full-text]

  It is a vital requirement to have passive noise control enclosure in order to depress air borne noise of reciprocating engine type power generators. The design of these enclosures needs to be optimized in terms of the ...
• Simulation performance of grid connected Z source solar inverter with incremental conductance MPPT 

  Jayasundara, DYM; Karunarathne, AMGT; Edirisooriya, HPUD; Jayasiri, LKN; Hemapala, KTMU; Karunadasa, JP; Lakshika, KAH [Conference-Full-text]

  Z source inverters (ZSI) can perform single stage, buck-boost conversion and have shown to offer slightly higher efficiency over traditional inverters. However, ZSI controller unit becomes more complex when achieving ...
• DQ transform based current controller for single-phase grid connected inverter 

  Jayathilaka, I; Lakpriya, L; De Alwis, D; Jayakody, G; Hemapala, KTMU; Karunadasa, JP; Lakshika, H [Conference-Full-text]

  In this paper, the design and simulation of a current controller for a grid connected inverter is implemented by using the synchronous reference frame conversion. The active power and the reactive power outputs of the ...
• The influence of capacitor voltage fluctuation on energy efficient C-dump converter 

  Riyadi, S; Pratomo, LH [Conference-Full-text]

  Positive torque of a Switched Reluctance Motor (SRM) can be developed by energizing the stator winding during the positive slope of the phase inductance. Due to the inductive nature of the circuit, demagnetizing process ...
• Torque ripple improvement in synchronous reluctance machines 

  Mohanarajah, T; Rizk, J; Hellany, A; Nagrial, M; Klyavlin, A [Conference-Full-text]

  Synchronous reluctance machine is renowned for high torque ripples due to its complicated and non-linear magnetic path and saturation of rotor core segments during operation. Improving the ripples effects in the machine ...
• Integrated control strategy for grid connected photovoltaic array, battery storage and supercapacitors 

  Silva, CMMRS; Premadasa, PND; Dassanayake, DMCT; Pradeep, RAH; Sirithunge, C; Chandima, DP; Prasad, WD [Conference-Full-text]

  Upon various renewable based power generation, Solar Photovoltaic (PV) technology is continually developing nowadays. However, the major drawback of this technology is the intermittent issue due to the rapid fluctuations ...
• Review of application of optimization techniques in smart grids 

  Islam, MDM; Nagrial, M; Rizk, J; Hellany, A [Conference-Full-text]

  The smart grids can optimize the use of various generation sources and reduce cost. With new developments in renewable energy, distributed generation, the traditional power grids are being converted to smart grids. This ...
• UHF RFID-based low-power wireless sensor development for infrastructure health monitoring: issues in metallic environments 

  Jayawardana, D; Liyanapathirana, R [Conference-Full-text]

  This paper investigates the critical issues of developing ultra-high frequency (UHF) radio frequency identification (RFID)-based low-power wireless sensors for infrastructure related metallic environments. Our studies ...
• Distribution transformer based smart grids with rooftop solar : a case study for Sri Lanka 

  Amarasinghe, HPP; Jayatunga, U; De Silva, N [Conference-Full-text]

  Trends on utilizing distributed renewable resources around the world have significantly increased the number of grid connected solar photovoltaic systems in low voltage networks. In Sri Lanka, low voltage systems are ...
• Dispatch analysis of variable renewable energy penetration in Sri Lanka with HVDC grid interconnection with India 

  Rodrigo, AS; Fernando, MDV [Conference-Full-text]

  At present there is an increased focus on using renewable energy for power generation. In this paper a dispatch analysis is carried out to identify the effect of increasing variable renewable energy (VRE) penetration ...
• Intelligent robot companion capable of controlling environment ambiance of smart houses by observing user's behavior 

  Senarathna, SMSS; Muthugala, MAVJ; Jayasekara, AGBP [Conference-Full-text]

  Robot companions are being developed to assist humans in domestic environments. This paper proposes an intelligent robot companion which is capable of adapting the ambient conditions of a smart home environment in ...
• Extended Kalman filter based autonomous flying system for quadcopters 

  Somasiri, JAAS; Chandima, DP; Jayasekara, AGBP [Conference-Full-text]

  This paper presents mathematical modeling, implementation and experimentation results of Extended Kalman filter (EKF) implemented on existing flight control algorithm which is used to control multi-rotor unmanned ...
• Application of robot autobiographical memory in long-term human-robot social interactions 

  Edirisinghe, MMSN; Muthugala, MAVJ; Jayasekara, AGBP [Conference-Full-text]

  Robots are becoming a part of the human society. They are intended to maintain long-term social interactions with humans. A memory about each interaction partner is essential for a robot for maintaining long-term social ...
• Identification of cognitive navigational commands for mobile robots based on hand gestures and vocal commands 

  Bandara, HMRT; Basnayake, BMSS; Jayasekara, AGBP; Chandima, DP [Conference-Full-text]

  Assistive robots are developed to uplift living standards of human beings. An assistive robot needs to be friendly, reliable, and understandable in order to be a human like companion. A robot should be able to navigate ...
• Enhancing conceptual spatial map by amalgamating spatial and virtual cognitive maps for domestic service robots 

  Bandara, HMRT; Basnayake, BMSS; Jayasekara, AGBP; Chandima, DP [Conference-Full-text]

  Assitive robot technology is rapidly increasing in the modern era. Robot companions become more human-like over the time with the advancement of technology. Personal assitive robot applications are escalated to a vast ...
• Vibro-haptic white cane with enhanced vibro sensitivity 

  Abeysiriwardhana, WASP; Ruwanthika, RMM; Abeykoon, AMHS [Conference-Full-text]

  The traditional white cane allows blind persons to understand the environment by tapping the white cane against the objects. It has limited capabilities in detecting objects far from the person. Available electronic blind ...

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