Workshop Abstracts

Hack your Thoughts: Key Aspects of Brain-Computer-Interfacing

by Prof. Kazuo Kiguchi, Kyushu University, Japan; Dr. Anjula De Silva, Dr. Thilina Lelarathne, University of Moratuwa, Sri Lanka

May 31, 2018

9:00am - 4:00pm

ENTC1, Dept. of Electronic and Telecommunication Engineering

Thoughts are essentially the initial trigger of motor activation and the point of perception for sensory stimulation. Therefore, the understanding of the generating mechanism of specific thoughts is valuable to trigger motor actions and to assess the state of mind resulting from sensory stimulation. These so called ‘thoughts’ are high level states of the brain which are reflected by activity of cortical neurons. Due to close proximity, electroencephalogram (EEG) from the scalp is a convenient method of measuring such states of the brain. Accurate identification of these thoughts has prompted to use this technology in enhancing movements such as in assistive technologies, bridging communication gaps that exist in people with special needs and assessing the brain state (fatigue/relax) while attending to long duration critical tasks and providing real-time feedback of the brain while immersed in virtual reality (VR) environments.

This workshop intends to broaden the view of attendees by discussing the neurological process behind the thought generation process, hardware required for EEG recordings, digital signal conditioning, thought classification and how they can be used in application such as assistive technology and VR. Apart from discussions, the organises intend to include a hands-on session on hacking thoughts through well-established EEG paradigms exposing the attendee to the end-to-end process of hacking thoughts through EEG.

Role of Scanning Electron Microscopy in Modern Material Characterization

by Dr. Dinesh Attygalle, Uiversity of Moratuwa, Sri Lanka

June 1, 2018

9:00am - 4:00pm

Department of Materials Science and Engineering

Scanning Electron Microscope (SEM) is a versatile tool that is being used in characterization of wide variety of materials. This workshop will introduce the fundamentals of electron microscopy and image formation. SEM can provide information on surface topography, crystalline structure, chemical composition and electrical behavior of the top 1 µm or so of specimen. The different modes of operation to obtain information beyond high resolution imaging will be discussed with a hands on session. The intended audience for this workshop is both industry and academia.

Electromagnetic Compatibility Solutions and Passive Components

by Mr. Praveen Karthickeyan, Team Leader – FAEs–South IN, Würth Elektronik, India

June 1, 2018

9:00am - 4:00pm

Dept. of Electronic and Telecommunication Engineering

The future of electronic industry is focusing on Electromagnetic Compatibility (EMC) from the design perspective. This workshop will cover basics of EMC, technical design aspects, selection of components, and a live demo with online tools. The workshop is designed with practical content for those who encounter EMC testing, hardware design, quality analysis, and technical managers on practical content in the development of troublefree electronics.


Workshop on Mechatronics & Micro-Mechatronics

by Dr. YWR Amarasinghe, University of Moratuwa, Sri Lanka

June 1, 2018

9:00am - 12:00pm

MEMS/NEMS & Mechatronics Laboratory, Department of Mechanical Engineering

The integration of Mechanical engineering, Controls Engineering, Electronics engineering and Computer engineering has lead the inception and development of the field of new multidisciplinary field of engineering discipline called Mechatronic. Currently, Mechatronics engineering has impregnated to the day-to-day engineering solutions, industrial machinery and high end engineering research. The researchers have the benefit of mastering Mechatronics engineering in performing the research tasks very much effectively and in a highly analytical way.

This workshop targets to give the participants an orientation to Mechatronics systems development and introduction to Micro Mechatronics. Hands-on experiences in sensing and actuating technologies, micro controller programming and virtual instrumentation could be obtained. Key areas of the workshop are as follows:

Process Control and Real-Time Optimization

Dr. Seyed Soheil Mansouri and Dr. Isuru S.B.A. Udugama, Technical University of Denmark, Lyngby

June 1, 2018

9:00am - 12:00pm

Department of Chemical and Process Engineering

The tools and concepts developed in the areas of process control and process optimisation has relevance and applicability in all process industries ranging from petrochemicals to biotechnology based production. Process control and real time optimization has the potential to increase plant capacity, reduce energy consumption and increase plant reliability at very low capital costs. The main reason for this low capital costs is because these tools purely work by better managing the unit operations and does not require the installation of additional equipment. In this workshop, we will cover the area of process control and real time optimization from both an industrial and theoretical point of view, and discuss both established and state of the art ideas. We will also discuss implications of applying Process Systems Engineering (PSE) methods and tools together with real world examples and case studies from petrochemical production and industrial bio-based production. While we will look into a couple of case studies across different process industries, we also encourage you to bring your industrial cases studies to discuss. The intended audience for this workshop is both industry and academia.

Applications of Deep Learning

Dr. Subha Fernando, Dr. Ranga Rodrigo, and Prof. Sanath Jayasena
University of Moratuwa, Sri Lanka

June 1, 2018

9:00am - 12:00pm

3.5L (Mezzanine floor), Dept. of Electronic and Telecommunication Engineering

Deep learning allows computational models to learn and represent data with hierarchy of abstraction by implicitly capturing intricate structures of large‐scale data in terms of general features. Deep learning methods encompass neural networks, hierarchical probabilistic models, and many unsupervised and supervised feature learning algorithms. Recently deep learning methods have been shown to outperform in several tasks, such as object detection, speech processing, handwriting synthesis, etc.

At the same time, recent advances in machine learning have made remarkable development to many areas of interest: data-driven or domain-oriented applications can significantly benefit or even promote the development of algorithms, optimization approaches, and network architectures.

Workshop presents existing applications and new research directions on deep learning for engineering, focusing on state-of-the-art methods, such as Convolutional Neural Networks (CNN), Recurrent Neural Networks (RNN), Long Short-Term Memory (LSTM), autoencoders, and their graphical model, sparse coding, and kernel machine based variants.


Photovoltaic Power Conversion Systems: Current Trends

Dr. Dulika Nayanasiri, University of Moratuwa, Sri Lanka

June 1, 2018

1:30pm - 4:30pm

Department of Electronic and Telecommunication Engineering

Photovoltaic (PV) power conversion systems gain attraction due to low energy pay-back time and low carbon foot print compared to other renewable energy technologies such as wind. Centralized and distributed power conversion systems are used to convert solar energy into electrical energy. Distributed PV power conversion systems are frequently used in small and medium scale applications. Module and sub module level power converters are used in distributed systems such as roof-top PV. However, intermittent nature and seasonal behavior of the solar energy limits the applications of PV as a continuous power source. Energy storing element can be integrated to the system to circumvent this drawback. Application specific energy storing methods improve power processing capability of the system. Such an integration can be done using DC systems due to in-born characteristics of renewable generators and energy storing elements. This gives rise to concept of micro and nano-grids based on DC. DC nano-grids with integrated communication capabilities improve user experience with respect to the concept of zero net energy home. Power electronic converters and communication protocols having energy transfer capability play a significant role in the realization of such a system.

In this workshop, we are going to talk about existing PV power conversion systems architectures and converter topologies to identify limitations of the state of the art technologies. The proposed system architectures such as networked DC nano-grids to circumvent those limitations will be discussed emphasizing current trends.

Waste Water Treatment Fundamentals, Plant Monitoring, and Operations

Dr. P.G. Rathnasiri, University of Moratuwa, Sri Lanka

June 1, 2018

9:00am - 12:00pm

Conference Room, Department of Chemical Engineering

Workshop introduces fundamentals of waste water treatment, operation and monitoring. Discussion begins with characterization of wastewater/solid waste and different techniques available. Then biological wastewater treatment will be classified with the objective of understanding aerobic, anaerobic, suspended, attached growth processes and will be presented with established industrial wastewater treatment plants. Overview of organic carbon, bio Phosphorous and nitrogen removal will be presented. Successful design and operation of any wastewater/solid waste treatment plant require knowledge on microorganisms involved, specific reactions they perform, nutritional needs and more importantly environmental and operating parameters which affect for their better performance. Different unit operations belong to primary, secondary and tertiary treatment and their performance will be also discussed. Reactor types used in typical aerobic and anaerobic processes will be presented with the objective of guiding environmental engineer for screening different options. Significance of applying simulations for analysis of wastewater treatment plant will be presented with AQUASIM 2.1f dynamic simulator.