5 citations · 18 across the 32 of their papers we have counts for
32 papers
Dynamic Quadrupedal Legged and Aerial Locomotion via Structure Repurposing
Chenghao Wang, Kaushik Venkatesh Krishnamurthy, Shreyansh Pitroda +5
Multi-modal ground-aerial robots have been extensively studied, with a significant challenge lying in the integration of conflicting requirements across different modes of operatio…
Crater Observing Bio-inspired Rolling Articulator (COBRA)
Adarsh Salagame, Henry Noyes, Alireza Ramezani +2
NASA aims to establish a sustainable human basecamp on the Moon as a stepping stone for future missions to Mars and beyond. The discovery of water ice on the Moon's craters located…
Optimal Trajectory Planning in a Vertically Undulating Snake Locomotion using Contact-implicit Optimization
Adarsh Salagame, Eric Sihite, Alireza Ramezani
Contact-rich problems, such as snake robot locomotion, offer unexplored yet rich opportunities for optimization-based trajectory and acyclic contact planning. So far, a substantial…
Quadratic Programming-Based Posture Manipulation and Thrust-vectoring for Agile Dynamic Walking on Narrow Pathways
Chenghao Wang, Eric Sihite, Kaushik Venkatesh Krishnamurthy +4
There has been significant advancement in legged robot's agility where they can show impressive acrobatic maneuvers, such as parkour. These maneuvers rely heavily on posture manipu…
Vision-Guided Loco-Manipulation with a Snake Robot
Adarsh Salagame, Sasank Potluri, Keshav Bharadwaj Vaidyanathan +4
This paper presents the development and integration of a vision-guided loco-manipulation pipeline for Northeastern University's snake robot, COBRA. The system leverages a YOLOv8-ba…
NMPC-based Unified Posture Manipulation and Thrust Vectoring for Fault Recovery
Adarsh Salagame, Shashwat Pandya, Ioannis Mandralis +3
Multi-rotors face significant risks, as actuator failures at high altitudes can easily result in a crash and the robot's destruction. Therefore, rapid fault recovery in the event o…
Reduced-Order Model-Based Gait Generation for Snake Robot Locomotion using NMPC
Adarsh Salagame, Eric Sihite, Milad Ramezani +1
This paper presents an optimization-based motion planning methodology for snake robots operating in constrained environments. By using a reduced-order model, the proposed approach…
Self-supervised cost of transport estimation for multimodal path planning
Vincent Gherold, Ioannis Mandralis, Eric Sihite +3
Autonomous robots operating in real environments are often faced with decisions on how best to navigate their surroundings. In this work, we address a particular instance of this p…
Enhanced Capture Point Control Using Thruster Dynamics and QP-Based Optimization for Harpy
Shreyansh Pitroda, Eric Sihite, Taoran Liu +6
Our work aims to make significant strides in understanding unexplored locomotion control paradigms based on the integration of posture manipulation and thrust vectoring. These tech…
Conjugate momentum based thruster force estimate in dynamic multimodal robot
Shreyansh Pitroda, Eric Sihite, Taoran Liu +6
In a multi-modal system which combines thruster and legged locomotion such our state-of-the-art Harpy platform to perform dynamic locomotion. Therefore, it is very important to hav…
Validation of Tumbling Robot Dynamics with Posture Manipulation for Closed-Loop Heading Angle Control
Adarsh Salagame, Eric Sihite, Alireza Ramezani
Navigating rugged terrain and steep slopes is a challenge for mobile robots. Conventional legged and wheeled systems struggle with these environments due to limited traction and st…
Quadratic Programming Optimization for Bio-Inspired Thruster-Assisted Bipedal Locomotion on Inclined Slopes
Shreyansh Pitroda, Eric Sihite, Kaushik Venkatesh Krishnamurthy +5
Our work aims to make significant strides in understanding unexplored locomotion control paradigms based on the integration of posture manipulation and thrust vectoring. These tech…
Enabling steep slope walking on Husky using reduced order modeling and quadratic programming
Kaushik Venkatesh Krishnamurthy, Eric Sihite, Chenghao Wang +4
Wing-assisted inclined running (WAIR) observed in some young birds, is an attractive maneuver that can be extended to legged aerial systems. This study proposes a control method us…
Capture Point Control in Thruster-Assisted Bipedal Locomotion
Shreyansh Pitroda, Aditya Bondada, Kaushik Venkatesh Krishnamurthy +8
Despite major advancements in control design that are robust to unplanned disturbances, bipedal robots are still susceptible to falling over and struggle to negotiate rough terrain…
Thruster-Assisted Incline Walking
Kaushik Venkatesh Krishnamurthy, Chenghao Wang, Shreyansh Pitroda +5
In this study, our aim is to evaluate the effectiveness of thruster-assisted steep slope walking for the Husky Carbon, a quadrupedal robot equipped with custom-designed actuators a…
Reinforcement Learning-Based Model Matching to Reduce the Sim-Real Gap in COBRA
Adarsh Salagame, Harin Kumar Nallaguntla, Bardia Ardakanian +3
This paper employs a reinforcement learning-based model identification method aimed at enhancing the accuracy of the dynamics for our snake robot, called COBRA. Leveraging gradient…
Narrow-Path, Dynamic Walking Using Integrated Posture Manipulation and Thrust Vectoring
Kaushik Venkatesh Krishnamurthy, Chenghao Wang, Shreyansh Pitroda +5
This research concentrates on enhancing the navigational capabilities of Northeastern Universitys Husky, a multi-modal quadrupedal robot, that can integrate posture manipulation an…
Dynamic Posture Manipulation During Tumbling for Closed-Loop Heading Angle Control
Adarsh Salagame, Eric Sihite, Gunar Schirner +1
Passive tumbling uses natural forces like gravity for efficient travel. But without an active means of control, passive tumblers must rely entirely on external forces. Northeastern…
Non-impulsive Contact-Implicit Motion Planning for Morpho-functional Loco-manipulation
Adarsh Salagame, Kruthika Gangaraju, Harin Kumar Nallaguntla +3
Object manipulation has been extensively studied in the context of fixed base and mobile manipulators. However, the overactuated locomotion modality employed by snake robots allows…
Loco-Manipulation with Nonimpulsive Contact-Implicit Planning in a Slithering Robot
Adarsh Salagame, Kruthika Gangaraju, Harin Kumar Nallaguntla +3
Object manipulation has been extensively studied in the context of fixed base and mobile manipulators. However, the overactuated locomotion modality employed by snake robots allows…
Quadrupedal Locomotion Control On Inclined Surfaces Using Collocation Method
Adarsh Salagame, Maria Gianello, Chenghao Wang +6
Inspired by Chukars wing-assisted incline running (WAIR), in this work, we employ a high-fidelity model of our Husky Carbon quadrupedal-legged robot to walk over steep slopes of up…
Snake Robot with Tactile Perception Navigates on Large-scale Challenging Terrain
Shuo Jiang, Adarsh Salagame, Alireza Ramezani +1
Along with the advancement of robot skin technology, there has been notable progress in the development of snake robots featuring body-surface tactile perception. In this study, we…
Hierarchical RL-Guided Large-scale Navigation of a Snake Robot
Shuo Jiang, Adarsh Salagame, Alireza Ramezani +1
Classical snake robot control leverages mimicking snake-like gaits tuned for specific environments. However, to operate adaptively in unstructured environments, gait generation mus…
How Strong a Kick Should be to Topple Northeastern's Tumbling Robot?
Adarsh Salagame, Neha Bhattachan, Andre Caetano +16
Rough terrain locomotion has remained one of the most challenging mobility questions. In 2022, NASA's Innovative Advanced Concepts (NIAC) Program invited US academic institutions t…