activity
20122023
most citedCollective motion patterns of swarms with delay coupling: theory and experiment

40 citations · 150 across the 28 of their papers we have counts for

collaborators

28 papers

cs.RO2023★ 4 cited

Towards Understanding Underwater Weather Events in Rivers Using Autonomous Surface Vehicles

Alice K. Li, Yue Mao, Sandeep Manjanna +10

Climate change has increased the frequency and severity of extreme weather events such as hurricanes and winter storms. The complex interplay of floods with tides, runoff, and sedi…

cs.RO2023

Enabling Large-scale Heterogeneous Collaboration with Opportunistic Communications

Fernando Cladera, Zachary Ravichandran, Ian D. Miller +3

Multi-robot collaboration in large-scale environments with limited-sized teams and without external infrastructure is challenging, since the software framework required to support…

cs.RO2023

TOPPQuad: Dynamically-Feasible Time Optimal Path Parametrization for Quadrotors

Katherine Mao, Igor Spasojevic, M. Ani Hsieh +1

Planning time-optimal trajectories for quadrotors in cluttered environments is a challenging, non-convex problem. This paper addresses minimizing the traversal time of a given coll…

eess.SY2023

Safety Filter Design for Neural Network Systems via Convex Optimization

Shaoru Chen, Kong Yao Chee, Nikolai Matni +2

With the increase in data availability, it has been widely demonstrated that neural networks (NN) can capture complex system dynamics precisely in a data-driven manner. However, th…

cs.RO2023

Enhancing Sample Efficiency and Uncertainty Compensation in Learning-based Model Predictive Control for Aerial Robots

Kong Yao Chee, Thales C. Silva, M. Ani Hsieh +1

The recent increase in data availability and reliability has led to a surge in the development of learning-based model predictive control (MPC) frameworks for robot systems. Despit…

cs.RO2023★ 26 cited

EV-Catcher: High-Speed Object Catching Using Low-latency Event-based Neural Networks

Ziyun Wang, Fernando Cladera Ojeda, Anthony Bisulco +6

Event-based sensors have recently drawn increasing interest in robotic perception due to their lower latency, higher dynamic range, and lower bandwidth requirements compared to sta…

cs.RO2023

Leveraging Predictive Models for Adaptive Sampling of Spatiotemporal Fluid Processes

Sandeep Manjanna, Tom Z. Jiahao, M. Ani Hsieh

Persistent monitoring of a spatiotemporal fluid process requires data sampling and predictive modeling of the process being monitored. In this paper we present PASST algorithm: Pre…

cs.RO2022

Stochastic Nonlinear Ensemble Modeling and Control for Robot Team Environmental Monitoring

Victoria Edwards, Thales C. Silva, M. Ani Hsieh

We seek methods to model, control, and analyze robot teams performing environmental monitoring tasks. During environmental monitoring, the goal is to have teams of robots collect v…

cs.RO2022

Proportional Control for Stochastic Regulation on Allocation of Multi-Robots

Thales C. Silva, Victoria Edwards, M. Ani Hsieh

Any strategy used to distribute a robot ensemble over a set of sequential tasks is subject to inaccuracy due to robot-level uncertainties and environmental influences on the robots…

cs.RO2022

Receding Horizon Control on the Broadcast of Information in Stochastic Networks

Thales C. Silva, Li Shen, Xi Yu +1

This paper focuses on the broadcast of information on robot networks with stochastic network interconnection topologies. Problematic communication networks are almost unavoidable i…

cs.RO2022

LEARNEST: LEARNing Enhanced Model-based State ESTimation for Robots using Knowledge-based Neural Ordinary Differential Equations

Kong Yao Chee, M. Ani Hsieh

State estimation is an important aspect in many robotics applications. In this work, we consider the task of obtaining accurate state estimates for robotic systems by enhancing the…

cs.RO2022

Adaptive Sampling of Latent Phenomena using Heterogeneous Robot Teams (ASLaP-HR)

Matthew Malencia, Sandeep Manjanna, M. Ani Hsieh +2

In this paper, we present an online adaptive planning strategy for a team of robots with heterogeneous sensors to sample from a latent spatial field using a learned model for decis…

cs.RO2022★ 7 cited

Online Dynamics Learning for Predictive Control with an Application to Aerial Robots

Tom Z. Jiahao, Kong Yao Chee, M. Ani Hsieh

In this work, we consider the task of improving the accuracy of dynamic models for model predictive control (MPC) in an online setting. Although prediction models can be learned an…

cs.RO2022

MARLAS: Multi Agent Reinforcement Learning for cooperated Adaptive Sampling

Lishuo Pan, Sandeep Manjanna, M. Ani Hsieh

The multi-robot adaptive sampling problem aims at finding trajectories for a team of robots to efficiently sample the phenomenon of interest within a given endurance budget of the…

cs.RO2022★ 9 cited

Flow-Based Control of Marine Robots in Gyre-Like Environments

Gedaliah Knizhnik, Peihan Li, Xi Yu +1

We present a flow-based control strategy that enables resource-constrained marine robots to patrol gyre-like flow environments on an orbital trajectory with a periodicity in a give…

cs.RO2021

Learning and Leveraging Features in Flow-Like Environments to Improve Situational Awareness

Tahiya Salam, Victoria Edwards, M. Ani Hsieh

This paper studies how global dynamics and knowledge of high-level features can inform decision-making for robots in flow-like environments. Specifically, we investigate how cohere…

cs.RO2021

Learning to Swarm with Knowledge-Based Neural Ordinary Differential Equations

Tom Z. Jiahao, Lishuo Pan, M. Ani Hsieh

Understanding decentralized dynamics from collective behaviors in swarms is crucial for informing robot controller designs in artificial swarms and multiagent robotic systems. Howe…

cs.RO2021

KNODE-MPC: A Knowledge-based Data-driven Predictive Control Framework for Aerial Robots

Kong Yao Chee, Tom Z. Jiahao, M. Ani Hsieh

In this work, we consider the problem of deriving and incorporating accurate dynamic models for model predictive control (MPC) with an application to quadrotor control. MPC relies…

cs.RO2021

Scalable Multirobot Planning for Informed Spatial Sampling

Sandeep Manjanna, M. Ani Hsieh, Gregory Dudek

This paper presents a distributed scalable multi-robot planning algorithm for informed sampling of quasistatic spatial fields. We address the problem of efficient data collection u…

cs.RO2021★ 1 cited

Heterogeneous robot teams for modeling and prediction of multiscale environmental processes

Tahiya Salam, M. Ani Hsieh

This paper presents a framework to enable a team of heterogeneous mobile robots to model and sense a multiscale system. We propose a coupled strategy, where robots of one type coll…

nlin.PS2021★ 11 cited

Critical transition for colliding swarms

Jason Hindes, Victoria Edwards, M. Ani Hsieh +1

Swarming patterns that emerge from the interaction of many mobile agents are a subject of great interest in fields ranging from biology to physics and robotics. In some application…

cs.LG2020★ 9 cited

Bridging the Gap: Machine Learning to Resolve Improperly Modeled Dynamics

Maan Qraitem, Dhanushka Kularatne, Eric Forgoston +1

We present a data-driven modeling strategy to overcome improperly modeled dynamics for systems exhibiting complex spatio-temporal behaviors. We propose a Deep Learning framework to…

nlin.AO2020★ 17 cited

Delay Induced Swarm Pattern Bifurcations in Mixed Reality Experiments

Victoria Edwards, Philip deZonia, M. Ani Hsieh +3

Swarms of coupled mobile agents subject to inter-agent wireless communication delays are known to exhibit multiple dynamic patterns in space that depend on the strength of the inte…

eess.SY2018

Differential Geometric Approach to Trajectory Planning: Cooperative Transport by a Team of Autonomous Marine Vehicles

Hadi Hajieghrary, Dhanushka Kularatne, M. Ani Hsieh

In this paper we addressed the cooperative transport problem for a team of autonomous surface vehicles (ASVs) towing a single buoyant load. We consider the dynamics of the constrai…