Piyush Grover

I am a principal research scientist in the mechatronics group at Mitsubishi Electric Research Labs (www.merl.com), in Cambridge, Massachusetts, USA. I obtained a Ph.D. in Engineering Mechanics in 2010 from Virginia Tech, under the supervision of Shane Ross. Most of my work is at the intersection of nonlinear dynamical systems, mechanics and control. I am interested in both geometric and operator-theoretic (or statistical)  descriptions of transport in dynamical systems. Applications include fluid mixing in laminar flows, nonlinear vibration mitigation, model reduction of fluid dynamical systems, multi-agent/swarm control, and low-energy mission design in the three-body system.

Preprints (Comments welcome):

1). A mean-field game model for homogenous flocking   Preprint
Piyush Grover, Kaivalya Bakshi and Evangelos Theodorou

2). Optimal transport over nonlinear systems via infinitesimal generators on graphs  Preprint (Updated 5/18/2017)
Karthik Elamvazhuthi and Piyush Grover 

Major Publications:

14).  Feedback Particle Filter with Data-Driven Gain-Function Approximation  
IEEE Transactions on Aerospace and Electronic Systems, 2018 DOI: 10.1109/TAES.2018.2807559
Karl Berntorp and Piyush Grover

13). Optimal perturbations for nonlinear systems using graph-based optimal transport  Download
Communications in Nonlinear Science and Numerical Simulation, 2017  DOI:10.1016/j.cnsns.2017.09.020
Piyush Grover and Karthik Elamvazhuthi

12). Adjoint-based optimization of displacement ventilation flow  Download 
Building and Environment, 2017    DOI:10.1016/j.buildenv.2017.07.030
Saleh Nabi, Piyush Grover and Colm-cille Caulfield

11).  Sparse sensing and DMD based identification of flow regimes and bifurcations in complex flows Download
SIAM Journal on Applied Dynamical Systems, 2017. DOI:10.1137/15M104565X
Boris Kramer, Piyush Grover, Petros Boufounos, Saleh Nabi and Mouhacine Benosman

10).  On optimal performance of nonlinear energy sinks in multiple-degree-of-freedom systems   Download
Journal of Sound and Vibration (JSV) 2016. DOI:10.1016/j.jsv.2016.10.025
Astitva Tripathi, Piyush Grover, Tamas Kalmar-Nagy

9). Learning to Control Partial Differential Equations: Regularized Fitted Q-Iteration Approach Download
 IEEE Conference on Decision and Control (CDC) 2016.
Amir-massoud Farahmand, Saleh Nabi, Piyush Grover and Daniel Nikovski 

8). Data-Driven Gain Computation in the Feedback Particle Filter Download
 IEEE American Control Conference (ACC) 2016. 
Karl Berntrop and Piyush Grover 

7). Learning-based Reduced Order Model Stabilization for Partial Differential Equations Extended arXiv Version
IEEE American Control Conference (ACC) 2016
Mouhacine Benosman, Boris Kramer, Petros Boufounos, Piyush Grover    

6). Model-free control framework for multi-limb soft robots Download
IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) 2015  
Vishesh Vikas, Piyush Grover, Barry Trimmer

5). Design of Low Fuel Trajectory in Interior Realm as a Backup Trajectory for Lunar Exploration: Download
Transactions of the Japan Society for Aeronautical and Space Sciences, Aerosplace Technology Japan, 2014.
DOI: 10.2322/tastj.12.Pd_47
Yuki Sato, Piyush Grover and Shoji Yoshikawa

4). Topological Chaos, Braiding and Bifurcation of Almost-cyclic Sets: Download
Chaos: An interdisciplinary journal of nonlinear science, 2012. DOI: 10.1063/1.4768666
Piyush Grover, Shane Ross, Mark Stremler and Pankaj Kumar

3). Optimized Three-Body Gravity Assists and Manifold Transfers in End-to-End Lunar Mission Design:Download
AAS/AIAA Space Flight Mechanics Meeting, 2012
Piyush Grover and Christian Anderson

2). Topological Chaos and Periodic Braiding of Almost-Cyclic Sets: Download
Physical Review Letters, 2011. DOI: 10.1103/PhysRevLett.106.114101
Mark Stremler, Shane Ross, Piyush Grover, and Pankaj Kumar

1). Designing trajectories in a planet-moon environment using the controlled Keplerian map: Download
Journal of guidance, control, and dynamics, 2009. DOI:10.2514/1.38320
Piyush Grover and Shane Ross

Patents Issued
1). System and method for controlling motion of spacecrafts: US Patent 8,655,589
Piyush Grover and Christian Anderson 
2). System and Method for Estimating States of Spacecraft in Planet-Moon Environment: US Patent 9,114,893
Piyush Grover and Yuki Sato