Papers by Abhilash Gopalakrishnan
Method and a System for Simulation in a Substation
IEEE CONECCT 2015, Bangalore, Jul 10, 2015
Software Engineering has evolved over many years
but stays human centric as it relies significan... more Software Engineering has evolved over many years
but stays human centric as it relies significantly on the technical
decisions made by humans. Modeling the problem statement and
arriving at the architecture and design revolves in the minds
of software architects and designers. Many of the decisions
stays in architect’s minds and are only present in the models.
The abstraction structures in software design are deeper than
in other disciplines, since the final design is program code.
This distinction leads to software architecture and design a
highly interwoven process. The early design decisions are otherwise
termed architectural decisions which compose software
architecture. The architectural decisions are at an intermediate
abstraction level with higher probability of reuse, but still not
effectively reused even within the same organization. The most
effective cases of reuse in software is with architecture patterns
and design patterns. The paper points to the fact that patterns are
successfully reused due to the quality of the descriptions which
include problem, solution pair and supporting example. The
paper focuses on intra-organizational reuse, based on Domain
Specific Software Architectures and the descriptions containing
domain model, decision trees, architectural schema and rationale.
It further tries to analyze three different use cases in the light
of these elements and analyze if major hindrance of reuse is
’Rationale of decisions not well understood’ than the commonly
stated ’Not Invented here’, supported with a survey of software
engineers.
IEEE India Conference - INDICON 2014, Dec 12, 2014
Power System Automation which includes automation
of generation, transmission and distribution o... more Power System Automation which includes automation
of generation, transmission and distribution of electricity are undergoing evolution or modernization. Electric Utilities have a long tradition of owning and controlling the communication networks for mission critical applications because of the concerns about reliability, safety, security and cost. The convergence of these communication networks with the internet and open communication standards leads to new challenges like the finding
of faults in these systems requires new skills and capabilities.
This evolution necessitates system/tools for early diagnostics and analysis of communication subsystem. The paper discusses the automation system perspectives of Quality of Control (QoC) and Loss of Visibility to arrive at a relationship between scenarios and communication traffic flows. This relationship serves as the basis of building a device which has Industrial Automation Scenarios inbuilt, termed - Industrial Automation System on Device (IndASoD). The architecture of the device includes combining innovative models and simulators in mainstream communication research and leveraging emerging technology platforms like Software Defined Networks (SDN). The paper also discusses the feasibility of such a device in the context of modernization
scenarios like upgrade and technology evaluations.
IEEE GHTC SAS 2014 - IEEE Explore, Sep 27, 2014
The modernization of energy infrastructure otherwise
called Power Grid, with integration of rene... more The modernization of energy infrastructure otherwise
called Power Grid, with integration of renewable energy
sources like Solar, Wind has emerged as a key focus area
across the world. Over 1.2 billion people do not have access
to electricity which incudes over 550 million people in Africa
and 300 million in India. Further to this situation, the report
from International Energy Agency forecasts power generation
from renewable energy sources to nearly triple from year 2010
to 2035 reaching 31%. Microgrid or Distributed Energy Island
System plays a vital role to overcome these challenges. Microgrid,
which comprises of Distributed Energy Resources (DER) serving
few community loads, are key enabler for renewable integration.
These systems also play a significant role in rural electrification.
These systems can be operated in semiautonomous manner or in
autonomous/islanding mode. Some of the operational scenarios in
these systems are related to modernization of power systems and
hence explorative. This leaves a huge potential for Industry and
academia collaborative approach. The purpose of this study is to
analyze the operational scenarios both existing or new and how
the visualization tools and ecosystem play a major role in the
direction of collaboration and optimization that leads to benefit
the community in the future.
The document discusses scenarios and their types like business scenarios and technical scenarios.... more The document discusses scenarios and their types like business scenarios and technical scenarios. Then it discusses how scenario visualization could help improve the understanding and the needs of scenario visualization software. The document as well describes the architecture and design overview and how to define scenarios and also build and develop using the tools.
Software Assistive Systems supporting visualization, simulation with aid of virtual reality could... more Software Assistive Systems supporting visualization, simulation with aid of virtual reality could possibly enhance the experience and thereby enhance the speed and characteristics of the learning process. For the inclusive systems this means to make the best use of all interfaces human beings are blessed with taken from visualization, touch, voice, smell and taste. The right blend between visualization, simulation and virtual reality could hold the key to a solution. With reduced costs and processing power available and availability of experimentation platforms could hold the key to an enchanting learning experience.
"Systems Engineering organizations involved in engineering systems like automation in Power Syste... more "Systems Engineering organizations involved in engineering systems like automation in Power Systems are increasingly seeing time to market playing a major role in success. Considering the short turnaround time, the challenge is to improve product quality. Requirements engineering practices like scenario analyses could play a role in building better solutions. We have built an animation/simulation platform to support visual scenario building and subsequently playing which helps in Requirement Engineering. In this paper we discuss the architectural approach followed in the development of this software toolbox, sample scenarios and the feedback from practitioners. We also suggest the future steps in alignment with global standards."
"Industrial automation systems when seen from an architectural context could be seen as constitut... more "Industrial automation systems when seen from an architectural context could be seen as constituting of three major components – Information Technologies, Communication Technologies and the domain itself. The author here attempts to analyze the communication technologies changes particularly in Software Defined Networks (SDN) and how these elements could be used for the benefit of industrial automation systems and maximize their benefits for the end users. The paper discusses the architectural changes related to Software Defined Networks (SDN) in communication components and suggests possible applications in the standards prevalent in industrial automation like IEC 61850, OPC UA."
Talks by Abhilash Gopalakrishnan
Thesis Chapters by Abhilash Gopalakrishnan
Uploads
Papers by Abhilash Gopalakrishnan
but stays human centric as it relies significantly on the technical
decisions made by humans. Modeling the problem statement and
arriving at the architecture and design revolves in the minds
of software architects and designers. Many of the decisions
stays in architect’s minds and are only present in the models.
The abstraction structures in software design are deeper than
in other disciplines, since the final design is program code.
This distinction leads to software architecture and design a
highly interwoven process. The early design decisions are otherwise
termed architectural decisions which compose software
architecture. The architectural decisions are at an intermediate
abstraction level with higher probability of reuse, but still not
effectively reused even within the same organization. The most
effective cases of reuse in software is with architecture patterns
and design patterns. The paper points to the fact that patterns are
successfully reused due to the quality of the descriptions which
include problem, solution pair and supporting example. The
paper focuses on intra-organizational reuse, based on Domain
Specific Software Architectures and the descriptions containing
domain model, decision trees, architectural schema and rationale.
It further tries to analyze three different use cases in the light
of these elements and analyze if major hindrance of reuse is
’Rationale of decisions not well understood’ than the commonly
stated ’Not Invented here’, supported with a survey of software
engineers.
of generation, transmission and distribution of electricity are undergoing evolution or modernization. Electric Utilities have a long tradition of owning and controlling the communication networks for mission critical applications because of the concerns about reliability, safety, security and cost. The convergence of these communication networks with the internet and open communication standards leads to new challenges like the finding
of faults in these systems requires new skills and capabilities.
This evolution necessitates system/tools for early diagnostics and analysis of communication subsystem. The paper discusses the automation system perspectives of Quality of Control (QoC) and Loss of Visibility to arrive at a relationship between scenarios and communication traffic flows. This relationship serves as the basis of building a device which has Industrial Automation Scenarios inbuilt, termed - Industrial Automation System on Device (IndASoD). The architecture of the device includes combining innovative models and simulators in mainstream communication research and leveraging emerging technology platforms like Software Defined Networks (SDN). The paper also discusses the feasibility of such a device in the context of modernization
scenarios like upgrade and technology evaluations.
called Power Grid, with integration of renewable energy
sources like Solar, Wind has emerged as a key focus area
across the world. Over 1.2 billion people do not have access
to electricity which incudes over 550 million people in Africa
and 300 million in India. Further to this situation, the report
from International Energy Agency forecasts power generation
from renewable energy sources to nearly triple from year 2010
to 2035 reaching 31%. Microgrid or Distributed Energy Island
System plays a vital role to overcome these challenges. Microgrid,
which comprises of Distributed Energy Resources (DER) serving
few community loads, are key enabler for renewable integration.
These systems also play a significant role in rural electrification.
These systems can be operated in semiautonomous manner or in
autonomous/islanding mode. Some of the operational scenarios in
these systems are related to modernization of power systems and
hence explorative. This leaves a huge potential for Industry and
academia collaborative approach. The purpose of this study is to
analyze the operational scenarios both existing or new and how
the visualization tools and ecosystem play a major role in the
direction of collaboration and optimization that leads to benefit
the community in the future.
Talks by Abhilash Gopalakrishnan
Thesis Chapters by Abhilash Gopalakrishnan
but stays human centric as it relies significantly on the technical
decisions made by humans. Modeling the problem statement and
arriving at the architecture and design revolves in the minds
of software architects and designers. Many of the decisions
stays in architect’s minds and are only present in the models.
The abstraction structures in software design are deeper than
in other disciplines, since the final design is program code.
This distinction leads to software architecture and design a
highly interwoven process. The early design decisions are otherwise
termed architectural decisions which compose software
architecture. The architectural decisions are at an intermediate
abstraction level with higher probability of reuse, but still not
effectively reused even within the same organization. The most
effective cases of reuse in software is with architecture patterns
and design patterns. The paper points to the fact that patterns are
successfully reused due to the quality of the descriptions which
include problem, solution pair and supporting example. The
paper focuses on intra-organizational reuse, based on Domain
Specific Software Architectures and the descriptions containing
domain model, decision trees, architectural schema and rationale.
It further tries to analyze three different use cases in the light
of these elements and analyze if major hindrance of reuse is
’Rationale of decisions not well understood’ than the commonly
stated ’Not Invented here’, supported with a survey of software
engineers.
of generation, transmission and distribution of electricity are undergoing evolution or modernization. Electric Utilities have a long tradition of owning and controlling the communication networks for mission critical applications because of the concerns about reliability, safety, security and cost. The convergence of these communication networks with the internet and open communication standards leads to new challenges like the finding
of faults in these systems requires new skills and capabilities.
This evolution necessitates system/tools for early diagnostics and analysis of communication subsystem. The paper discusses the automation system perspectives of Quality of Control (QoC) and Loss of Visibility to arrive at a relationship between scenarios and communication traffic flows. This relationship serves as the basis of building a device which has Industrial Automation Scenarios inbuilt, termed - Industrial Automation System on Device (IndASoD). The architecture of the device includes combining innovative models and simulators in mainstream communication research and leveraging emerging technology platforms like Software Defined Networks (SDN). The paper also discusses the feasibility of such a device in the context of modernization
scenarios like upgrade and technology evaluations.
called Power Grid, with integration of renewable energy
sources like Solar, Wind has emerged as a key focus area
across the world. Over 1.2 billion people do not have access
to electricity which incudes over 550 million people in Africa
and 300 million in India. Further to this situation, the report
from International Energy Agency forecasts power generation
from renewable energy sources to nearly triple from year 2010
to 2035 reaching 31%. Microgrid or Distributed Energy Island
System plays a vital role to overcome these challenges. Microgrid,
which comprises of Distributed Energy Resources (DER) serving
few community loads, are key enabler for renewable integration.
These systems also play a significant role in rural electrification.
These systems can be operated in semiautonomous manner or in
autonomous/islanding mode. Some of the operational scenarios in
these systems are related to modernization of power systems and
hence explorative. This leaves a huge potential for Industry and
academia collaborative approach. The purpose of this study is to
analyze the operational scenarios both existing or new and how
the visualization tools and ecosystem play a major role in the
direction of collaboration and optimization that leads to benefit
the community in the future.