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A novel load distribution strategy for aggregators using IoT-enabled mobile devices
Nitin Shivaraman;Jakob Fittler;Saravanan Ramanathan;Arvind Easwaran;Sebastian Steinhorst
2021 IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids (SmartGridComm)
Year: 2021 | Conference Paper |
The rapid proliferation of Internet-of-things (IoT) as well as mobile devices such as Electric Vehicles (EVs), has led to unpredictable load at the grid. The demand to supply ratio is particularly exacerbated at a few grid aggregators (charging stations) with excessive demand due to the geographic location, peak time, etc. Existing solutions on demand response cannot achieve significant improvemen...Show More
Cluster-Based Network Time Synchronization for Resilience with Energy Efficiency
Nitin Shivaraman;Patrick Schuster;Saravanan Ramanathan;Arvind Easwaran;Sebastian Steinhorst
Time synchronization of devices in Internet-of-Things (IoT) networks is one of the challenging problems and a pre-requisite for the design of low-latency applications. Although many existing solutions have tried to address this problem, almost all solutions assume all the devices (nodes) in the network are faultless. Furthermore, these solutions exchange a large number of messages to achieve synch...Show More
DeCoRIC: Decentralized Connected Resilient IoT Clustering
Nitin Shivaraman;Saravanan Ramanathan;Shreejith Shanker;Arvind Easwaran;Sebastian Steinhorst
2020 29th International Conference on Computer Communications and Networks (ICCCN)
Year: 2020 | Conference Paper |
Cited by: Papers (2)
Maintaining peer-to-peer connectivity with low energy overhead is a key requirement for several emerging Internet of Things (IoT) applications. It is also desirable to develop such connectivity solutions for non-static network topologies, so that resilience to device failures can be fully realized. De-centralized clustering has emerged as a promising technique to address this critical challenge. C...Show More
Blockchain, what time is it? Trustless Datetime Synchronization for IoT
Emanuel Regnath;Nitin Shivaraman;Shanker Shreejith;Arvind Easwaran;Sebastian Steinhorst
2020 International Conference on Omni-layer Intelligent Systems (COINS)
Year: 2020 | Conference Paper |
Cited by: Papers (5)
Time synchronization among IoT devices is a fundamental requirement for efficient and reliable communication on a global scale. Common synchronization schemes such as NTP operate on a trust-based client-server model, which does not scale well in a decentralized network because single server failures can lead to a severe downtime before re-establishing synchronization. Public blockchains such as Et...Show More
Real-Time Energy Monitoring in IoT-enabled Mobile Devices
Nitin Shivaraman;Seima Saki;Zhiwei Liu;Saravanan Ramanathan;Arvind Easwaran;Sebastian Steinhorst
2020 Design, Automation & Test in Europe Conference & Exhibition (DATE)
Year: 2020 | Conference Paper |
Cited by: Papers (11)
With rapid advancements in the Internet of Things (IoT) paradigm, electrical devices in the near future is expected to have IoT capabilities. This enables fine-grained tracking of individual energy consumption data of such devices, offering location-independent per-device billing. Thus, it is more fine-grained than the location-based metering of state-of-the-art infrastructure, which traditionally...Show More
Poster Abstract: C-Sync: The Resilient Time Synchronization Protocol
Nitin Shivaraman;Patrick Schuster;Saravanan Ramanathan;Arvind Easwaran;Sebastian Steinhorst
2020 19th ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN)
Year: 2020 | Conference Paper |
Time synchronization is paramount for communication in Internet of Things (IoT) networks. Existing synchronization protocols in the IoT are designed to be accurate, energy-efficient and scalable with absolute trust on the time source(s). If a byzantine node becomes a time source, it can cause synchronization errors with false time, leading to system mal-functions or network crashes. In this paper,...Show More
WiP Abstract: Mobility-based Load Balancing for IoT-enabled Devices in Smart Grids
Nitin Shivaraman;Jakob Fittler;Saravanan Ramanathan;Arvind Easwaran;Sebastian Steinhorst
2020 ACM/IEEE 11th International Conference on Cyber-Physical Systems (ICCPS)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
There is an unprecedented load variability in the smart grids due to device (e.g. electric vehicles) mobility across different grid-locations. As a consequence, utility service providers have started exploring solutions such as dynamic pricing mechanisms, grid extensions and redistribution across micro-grids. However, most of these solutions do not exploit the transient nature of mobile devices. I...Show More
Efficient decentralized active balancing strategy for smart battery cells
Design, Automation & Test in Europe Conference & Exhibition (DATE), 2017
Year: 2017 | Conference Paper |
Cited by: Papers (3)
Among series-connected cells in large battery packs, such as those found in electric vehicles, a charge imbalance develops over time due to manufacturing and temperature variations. Therefore, active balancing strategies can be employed in Battery Management Systems (BMSs) to attain a charge balance among cells by transferring charge between them, maximizing the usable capacity of the battery pack...Show More
WiP Abstract: A Novel Strategy for Active Cell Balancing
2016 ACM/IEEE 7th International Conference on Cyber-Physical Systems (ICCPS)
Year: 2016 | Conference Paper |
Cell imbalance in batteries results in the degradation of capacity delivery of the battery. Battery Management System (BMS) uses passive or active balancing techniques to counter this. The strength of a battery measured in terms of State- of-Charge (SoC), is limited by the capacity of its weakest cell leading to under-utilized cells and reduced lifetime. In this paper, we present a novel active ce...Show More
Demo Abstract: Predictable SoC Architecture Based on COTS Multi-Core
2016 IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS)
Year: 2016 | Conference Paper |
Summary form only given. With the increasing complexity of real-time embedded applications and the availability of Commercial-Off-The-Shelf (COTS) multi-cores, time-predictable execution on these platforms has become a necessity. However, there are several challenges to achieving this predictability, primarily arising due to hardware resources shared between the cores (memory controllers, caches a...Show More
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