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๐Ÿ” ranjit jhala ๐Ÿ“‚ Engineering
Showing 382 results for "ranjit jhala" in Engineering
Engineering Preprint PDF DOI

Optimal UGV-UAV Cooperative Partitioning and Inspection of Shortest Paths

Ninh Nguyen, Srinivas Akella ยท 2026

We study cooperative shortest path planning for an unmanned ground vehicle (UGV) assisted by an unmanned aerial vehicle (UAV) in environments with unknown road blockages that are only discovered when โ€ฆ

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Engineering Preprint PDF DOI

Dual-Polarized Massive MIMO Based on Precoding for Vehicle-To-Ground Communication in Urban Rail Transit

Zhengyuan Wu, Junhui Zhao, Qingmiao Zhang, Ming Zhang ยท 2026

The development of intelligent and diversified ser vices in urban rail transit (URT) has resulted in an increasing de mand for high-rate communication between vehicles and ground equipment. However, eโ€ฆ

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Engineering Preprint PDF DOI

RPG: Robust Policy Gating for Smooth Multi-Skill Transitions in Humanoid Fighting

Yucheng Xin, Jiacheng Bao, Yubo Dong, Xueqian Wang, Bin Zhao, Xuelong Li, Junbo Tan, Dong Wang ยท 2026

Humanoid robots have demonstrated impressive motor skills in a wide range of tasks, yet whole-body control for humanlike long-time, dynamic fighting remains particularly challenging due to the stringeโ€ฆ

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Engineering Preprint PDF DOI

Scale-Invariant Sampling in Multi-Arm Bandit Motion Planning for Object Extraction

Servet B. Bayraktar, Andreas Orthey, Marc Toussaint ยท 2026

Object extraction tasks often occur in disassembly problems, where bolts, screws, or pins have to be removed from tight, narrow spaces. In such problems, the distance to the environment is often on thโ€ฆ

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Engineering Preprint PDF DOI

Mobile Communications in Intelligent Rail Transit: From LCX to PASS

Yiran Guo, Wei Chen, Cong Yu, Bo Ai, Yuanwei Liu, Michail Matthaiou ยท 2026

Wireless communications in intelligent rail transit face harsh propagation conditions, including severe penetration loss, frequent blockages, and amplified large-scale fading. Existing leaky coaxial cโ€ฆ

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Engineering Preprint PDF DOI

Asynchronous Distributed Bandit Submodular Maximization under Heterogeneous Communication Delays

Pranjal Sharma, Zirui Xu, Vasileios Tzoumas ยท 2026

We study asynchronous distributed decision-making for scalable multi-agent bandit submodular maximization. We are motivated by distributed information-gathering tasks in unknown environments and underโ€ฆ

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Engineering Preprint PDF DOI

Sim2Real-AD: A Modular Sim-to-Real Framework for Deploying VLM-Guided Reinforcement Learning in Real-World Autonomous Driving

Zilin Huang, Zhengyang Wan, Zihao Sheng, Boyue Wang, Junwei You, Yue Leng, Sikai Chen ยท 2026

Deploying reinforcement learning policies trained in simulation to real autonomous vehicles remains a fundamental challenge, particularly for VLM-guided RL frameworks whose policies are typically learโ€ฆ

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Engineering Preprint PDF DOI

Diffusion Policy with Bayesian Expert Selection for Active Multi-Target Tracking

Haotian Xiang, Qin Lu, Yaakov Bar-Shalom ยท 2026

Active multi-target tracking requires a mobile robot to balance exploration for undetected targets with exploitation of uncertain tracked ones. Diffusion policies have emerged as a powerful approach fโ€ฆ

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Engineering Preprint PDF DOI

Object Search in Partially-Known Environments via LLM-informed Model-based Planning and Prompt Selection

Abhishek Paudel, Abhish Khanal, Raihan I. Arnob, Shahriar Hossain, Gregory J. Stein ยท 2026

We present a novel LLM-informed model-based planning framework, and a novel prompt selection method, for object search in partially-known environments. Our approach uses an LLM to estimate statistics โ€ฆ

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Engineering Preprint PDF DOI

Cooperative Bandit Learning in Directed Networks with Arm-Access Constraints

Evagoras Makridis, Themistoklis Charalambous ยท 2026

Sequential decision-making under uncertainty often involves multiple agents learning which actions (arms) yield the highest rewards through repeated interaction with a stochastic environment. This setโ€ฆ

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Engineering Preprint PDF DOI

Distributed Equilibrium-Seeking in Target Coverage Games via Self-Configurable Networks under Limited Communication

Jayanth Bhargav, Zirui Xu, Vasileios Tzoumas, Mahsa Ghasemi, Shreyas Sundaram ยท 2026

We study a target coverage problem in which a team of sensing agents, operating under limited communication, must collaboratively monitor targets that may be adaptively repositioned by an attacker. Weโ€ฆ

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Engineering Preprint PDF DOI

Online Learning of Strategic Defense against Ecological Adversaries under Partial Observability with Semi-Bandit Feedback

Anjali Purathekandy, Deepak N. Subramani ยท 2026

We introduce an online learning algorithm for computing adaptive resource allocation policies against strategic ecological adversaries with unknown behavioral models and partial observability. Our setโ€ฆ

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Engineering Preprint PDF DOI

Efficient, Adaptive Near-Field Beam Training based on Linear Bandit

Junchi Liu, Zijun Wang, Rui Zhang ยท 2026

This letter proposes a linear bandit-based beam training framework for near-field communication under multi-path channels. By leveraging Thompson Sampling (TS), the framework adaptively balances exploโ€ฆ

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Engineering Preprint PDF DOI

GP Bandit-Assisted Two-Stage Sparse Phase Retrieval for Amplitude-Only Near-Field Beam Training

Zijun Wang, Shawn Tsai, Ye Hu, Rui Zhang ยท 2026

The transition to Extremely Large Antenna Arrays (ELAA) in 6G introduces significant near-field effects, necessitating robust near-field beam training strategies in multi-path environments. Because siโ€ฆ

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Engineering Preprint PDF DOI

Many-RRT*: Robust Joint-Space Trajectory Planning for Serial Manipulators

Theodore M. Belmont, Benjamin A. Christie, Anton Netchaev ยท 2026

The rapid advancement of high degree-of-freedom (DoF) serial manipulators necessitates the use of swift, sampling-based motion planners for high-dimensional spaces. While sampling-based planners like โ€ฆ

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Engineering Preprint PDF DOI

Joint Estimation of Dynamic O-D Demand and Choice Models for Dynamic Multi-modal Networks: Computational Graph-Based Learning and Hypothesis Tests

Xiaoyu Ma, Sean Qian ยท 2026

Understanding travel demand and behavior, particularly route and mode choices, is critical for effective transportation planning and policy design in multi-modal systems with emerging mobility optionsโ€ฆ

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Engineering Preprint PDF DOI

Joint-Aligned Latent Action: Towards Scalable VLA Pretraining in the Wild

Hao Luo, Ye Wang, Wanpeng Zhang, Haoqi Yuan, Yicheng Feng, Haiweng Xu, Sipeng Zheng, Zongqing Lu ยท 2026

Despite progress, Vision-Language-Action models (VLAs) are limited by a scarcity of large-scale, diverse robot data. While human manipulation videos offer a rich alternative, existing methods are forcโ€ฆ

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Engineering Preprint PDF DOI

Self-Configurable Mesh-Networks for Scalable Distributed Submodular Bandit Optimization

Zirui Xu, Vasileios Tzoumas ยท 2026

We study how to scale distributed bandit submodular coordination under realistic communication constraints in bandwidth, data rate, and connectivity. We are motivated by multi-agent tasks of active siโ€ฆ

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Engineering Preprint PDF DOI

Habilis-$\beta$: A Fast-Motion and Long-Lasting On-Device Vision-Language-Action Model

Tommoro Robotics: Jesoon Kang, Taegeon Park, Jisu An, Soo Min Kimm, Jaejoon Kim, Jinu Pahk, Byungju Kim, Junseok Lee, Namheon Baek, Sungwan Ha, Hojun Baek, Eduardo Ayerve Cruz, Wontae Kim, Junghyeon Choi, Yousuk Lee, Joonmo Han, Sunghyun Cho, Sunghyun Kwon, Soyoung Lee, Jun Ki Lee, Seung-Joon Yi, Byoung-Tak Zhang, Theo Taeyeong Kim ยท 2026

We introduce Habilis-$\beta$, a fast-motion and long-lasting on-device vision-language-action (VLA) model designed for real-world deployment. Current VLA evaluation remains largely confined to single-โ€ฆ

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Engineering Preprint PDF DOI

Large elements and advanced beamformers for increased field of view in 2-D ultrasound matrix arrays

Mick Gardner, Michael L. Oelze ยท 2026

Three-dimensional (3D) ultrasound promises various medical applications for abdominal, obstetrics, and breast imaging. However, ultrasound matrix arrays have extremely high element counts limiting theโ€ฆ

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