2026 Nikhil Chopra: Mechanical and Aerospace Engineering Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Mechanical and Aerospace Engineering	34	2783	2609	966	853	146	6638

Overview

Nikhil Chopra is affiliated with the University of Maryland, College Park in the United States. Their research spans over multiple fields within engineering and computer science, with a focus on artificial intelligence and control systems.

The scientist's main fields of study include Engineering and Computer Science. Within these, their work concentrates on several subfields:

Artificial Intelligence
Control and Systems Engineering
Computational Mechanics
Aerospace Engineering
Biomedical Engineering

The central topics addressed in their research involve:

Stochastic Gradient Optimization Techniques
Sparse and Compressive Sensing Techniques
Machine Learning and Extreme Learning Machines (ELM)
Underwater Vehicles and Communication Systems
Robotic Path Planning Algorithms
Teleoperation and Haptic Systems
Reinforcement Learning in Robotics

Nikhil Chopra has contributed to a number of recent publications, several of which illustrate this range of interests and expertise:

"Passivity-Based Control of Robots: Theory and Examples from the Literature," 2022, published in IEEE Control Systems
"Iterative pre-conditioning for expediting the distributed gradient-descent method: The case of linear least-squares problem," 2021, published in Automatica
"Decentralized Multisubsystem Co-Design Optimization Using Direct Collocation and Decomposition-Based Methods," 2020, published in Journal of Mechanical Design
"Generalized AdaGrad (G-AdaGrad) and Adam: A State-Space Perspective," 2021, presented at the 2021 60th IEEE Conference on Decision and Control (CDC)
"On Accelerating Distributed Convex Optimizations," 2021, available on arXiv (Cornell University)

The scientist has worked extensively with several frequent coauthors, including:

Kushal Chakrabarti
Nirupam Gupta
Tianchen Liu
Lasitha Weerakoon
Takeshi Hatanaka

Their work has appeared in multiple publication venues, highlighting an engagement with both conference and journal outlets. These venues include:

arXiv (Cornell University)
IEEE Control Systems Letters
Automatica
2022 IEEE 61st Conference on Decision and Control (CDC)
2021 60th IEEE Conference on Decision and Control (CDC)

Best Publications

Passivity-Based Control of Multi-Agent Systems

Nikhil Chopra;Mark W. Spong

524
Citations
On Exponential Synchronization of Kuramoto Oscillators

N. Chopra;M.W. Spong

493
Citations
Brief paper: Synchronization of bilateral teleoperators with time delay

Nikhil Chopra;Mark W. Spong;Rogelio Lozano

481
Citations
On Event Triggered Tracking for Nonlinear Systems

Pavankumar Tallapragada;Nikhil Chopra

413
Citations
Bilateral teleoperation over the internet: the time varying delay problem

N. Chopra;M.W. Spong;S. Hirche;M. Buss

353
Citations
On tracking performance in bilateral teleoperation

N. Chopra;M.W. Spong;R. Ortega;N.E. Barabanov

275
Citations
Passivity-Based Control and Estimation in Networked Robotics

Takeshi Hatanaka;Nikhil Chopra;Masayuki Fujita;Mark Spong

250
Citations
Controlled Synchronization of Heterogeneous Robotic Manipulators in the Task Space

Yen-Chen Liu;N. Chopra

239
Citations
Distributed control of multi-robot systems with global connectivity maintenance

Lorenzo Sabattini;Cristian Secchi;Nikhil Chopra;Andrea Gasparri

204
Citations
Decentralized connectivity maintenance for cooperative control of mobile robotic systems

Lorenzo Sabattini;Nikhil Chopra;Cristian Secchi

196
Citations
Bilateral Teleoperation Over Unreliable Communication Networks

N. Chopra;P. Berestesky;M.W. Spong

188
Citations
Output Synchronization of Nonlinear Systems with Time Delay in Communication

N. Chopra;M.W. Spong

180
Citations
Output Synchronization on Strongly Connected Graphs

N. Chopra

166
Citations
Discrete time passivity in bilateral teleoperation over the Internet

P. Berestesky;N. Chopra;M.W. Spong

142
Citations
Control of semi-autonomous teleoperation system with time delays

Yen-Chen Liu;Nikhil Chopra

142
Citations
Decentralized Event-Triggering for Control of Nonlinear Systems

Pavankumar Tallapragada;Nikhil Chopra

133
Citations
Passivity-Based Distributed Optimization With Communication Delays Using PI Consensus Algorithm

Takeshi Hatanaka;Nikhil Chopra;Takayuki Ishizaki;Na Li

131
Citations
Adaptive coordination control of bilateral teleoperators with time delay

N. Chopra;M.W. Spong

129
Citations
Output Synchronization of Nonlinear Systems with Relative Degree One

Nikhil Chopra;Mark W. Spong

124
Citations
Event-triggered dynamic output feedback control for LTI systems

Pavankumar Tallapragada;Nikhil Chopra

120
Citations
On Synchronization of Kuramoto Oscillators

N. Chopra;M.W. Spong

94
Citations

Frequent Co-Authors

Mark W. Spong The University of Texas at Dallas

Cristian Secchi University of Modena and Reggio Emilia

Shapour Azarm University of Maryland, College Park

Balakumar Balachandran University of Maryland, College Park

Rogelio Lozano CINVESTAV

Jonathan Katz University of Maryland, College Park

Na Li Harvard University

Romeo Ortega Instituto Tecnológico Autónomo de México

Brian M. Sadler United States Army Research Laboratory

Dusan M. Stipanovic University of Illinois at Urbana-Champaign

External Links

Personal website of Nikhil Chopra Google Scholar page

If you think any of the details on this page are incorrect, let us know.

Related Online Degrees & Career Pathways

For students interested in Mechanical and Aerospace Engineering, exploring related online degrees can open diverse career opportunities. For example, accelerated speech pathology programs offer a fast-tracked route into healthcare, specializing in communication disorders. These programs are ideal for those seeking a meaningful, in-demand career with a focus on therapy and rehabilitation.

Another intriguing path is the FBI behavioral analysis unit, which requires a strong foundation in psychology and criminology alongside technical skills. Understanding the education, salary, and job outlook for this career can help engineers interested in forensic applications or criminal profiling plan their trajectory.

When considering therapy and counseling degrees, it’s important to recognize the different types of therapist degrees available. These degrees vary by specialization and can complement an engineering background for roles involving human factors or occupational therapy.

For those looking to enter counseling without an extensive time commitment, understanding which counseling degree is easiest can guide students toward programs that match their goals and schedules. This knowledge is valuable for balancing rigorous engineering studies with additional qualifications.

Exploring these related online degrees helps broaden career pathways beyond traditional engineering roles, combining technical expertise with interdisciplinary skills for a competitive edge.