activity
20132026
most citedDistributed Estimation over Directed Graphs Resilient to Sensor Spoofing

2 citations · 4 across the 15 of their papers we have counts for

collaborators

16 papers

cs.LG2026

Distributed Federated Learning by Alternating Periods of Training

Shamik Bhattacharyya, Rachel Kalpana Kalaimani

Federated learning is a privacy-focused approach towards machine learning where models are trained on client devices with locally available data and aggregated at a central server.…

math.OC2024

Almost Sure Convergence and Non-asymptotic Concentration Bounds for Stochastic Mirror Descent Algorithm

Anik Kumar Paul, Arun D Mahindrakar, Rachel K Kalaimani

This letter investigates the convergence and concentration properties of the Stochastic Mirror Descent (SMD) algorithm utilizing biased stochastic subgradients. We establish the al…

math.OC2024

Convergence Analysis of Stochastic Saddle Point Mirror Descent Algorithm -- A Projected Dynamical View Point

Anik Kumar Paul, Arun D Mahindrakar, Rachel K Kalaimani

Saddle point problems, ubiquitous in optimization, extend beyond game theory to diverse domains like power networks and reinforcement learning. This paper presents novel approaches…

eess.SY2024

Optimal Pinning Control for Synchronization over Temporal Networks

Aandrew Baggio S, Rachel Kalpana Kalaimani

In this paper, we address the finite time synchronization of a network of dynamical systems with time-varying interactions modeled using temporal networks. We synchronize a few nod…

eess.SY2023★ 1 cited

Resilient Dynamic Average Consensus based on Trusted agents

Shamik Bhattacharyya, Rachel Kalpana Kalaimani

In this paper, we address the discrete-time dynamic average consensus (DAC) of a multi-agent system in the presence of adversarial attacks. The adversarial attack is considered to…

math.OC2023

Robust Analysis of Almost Sure Convergence of Zeroth-Order Mirror Descent Algorithm

Anik Kumar Paul, Arun D Mahindrakar, Rachel K Kalaimani

This letter presents an almost sure convergence of the zeroth-order mirror descent algorithm. The algorithm admits non-smooth convex functions and a biased oracle which only provid…

math.OC2022

Online Distributed Algorithm for Optimal Power Flow problem with Regret Analysis

Sushobhan Chatterjee, Rachel Kalpana Kalaimani

We investigate the distributed DC-Optimal Power Flow (DC-OPF) problem for a dynamic and uncertain environment. The unpredictable supply of renewable resources and varying prices of…

eess.SY2022

ADMM based Distributed State Observer Design under Sparse Sensor Attacks

Vinaya Mary Prinse, Rachel Kalpana Kalaimani

This paper considers the design of a distributed state-observer for discrete-time Linear Time-Invariant (LTI) systems in the presence of sensor attacks. We assume there is a networ…

math.OC2022

Distributed Optimization of Average Consensus Containment with Multiple Stationary Leaders

Sushobhan Chatterjee, Rachel Kalpana Kalaimani

In this paper, we consider the problem of containment control of multi-agent systems with multiple stationary leaders, interacting over a directed network. While, containment contr…

math.OC2021

Distributed Online Optimization with Byzantine Adversarial Agents

Sourav Sahoo, Anand Gokhale, Rachel Kalpana Kalaimani

We study the problem of non-constrained, discrete-time, online distributed optimization in a multi-agent system where some of the agents do not follow the prescribed update rule ei…

eess.SY2021★ 2 cited

Distributed Estimation over Directed Graphs Resilient to Sensor Spoofing

Shamik Bhattacharyya, Kiran Rokade, Rachel Kalpana Kalaimani

This paper addresses the problem of distributed estimation of an unknown dynamic parameter by a multi-agent system over a directed communication network in the presence of an adver…

math.OC2020★ 1 cited

Distributed ADMM with linear updates over directed networks

Kiran Rokade, Rachel Kalpana Kalaimani

We propose a distributed version of the Alternating Direction Method of Multipliers (ADMM) with linear updates for directed networks. We show that if the objective function of the…

eess.SY2020

Distributed computation of fast consensus weights using ADMM

Kiran Rokade, Rachel Kalpana Kalaimani

We consider the problem of achieving average consensus among multiple agents, where the inter-agent communication network is depicted by a graph. We consider the discrete-time cons…

eess.SY2018

Using Personal Environmental Comfort Systems to Mitigate the Impact of Occupancy Prediction Errors on HVAC Performance

Milan Jain, Rachel K Kalaimani, Srinivasan Keshav +1

Heating, Ventilation and Air Conditioning (HVAC) consumes a significant fraction of energy in commercial buildings. Hence, the use of optimization techniques to reduce HVAC energy…

eess.SY2017

On the Interaction between Personal Comfort Systems and Centralized HVAC Systems in Office Buildings

Rachel Kalaimani, Milan Jain, Srinivasan Keshav +1

Most modern HVAC systems suffer from two intrinsic problems. First, inability to meet diverse comfort requirements of the occupants. Second, heat or cool an entire zone even when t…

math.OC2013

Formation control with pole placement for multi-agent systems

Ameer K. Mulla, Rachel K. Kalaimani, Debraj Chakraborty +1

The problem of distributed controller synthesis for formation control of multi-agent systems is considered. The agents (single integrators) communicate over a communication graph a…