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🔍 brad s. hamlin 📂 Engineering
Showing 3938 results for "brad s. hamlin" in Engineering
Engineering Preprint PDF DOI

Stochastic Entanglement of Deterministic Origami Tentacles For Universal Robotic Gripping

Alec Boron, Bokun Zheng, Ziyang Zhou, Noel Naughton, Suyi Li · 2026

Origami-inspired robotic grippers have shown promising potential for object manipulation tasks due to their compact volume and mechanical flexibility. However, robust capture of objects with random sh…

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Engineering Preprint PDF DOI

A Matrix-Free Galerkin Multigrid Solver and Failure-Mode Screen for Single-GPU 3D SIMP Linear Systems

Shaoliang Yang, Jun Wang, Yunsheng Wang · 2026

Large 3D SIMP studies require repeated elasticity solves for density-dependent operators whose finest matrices are expensive to assemble and whose conditioning degrades under high contrast. We study t…

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Engineering Preprint PDF DOI

Cross-Linguistic Rhythmic and Spectral Feature-Based Analysis of Nyishi and Adi: Two Under-Resourced Languages of Arunachal Pradesh

Deepshikha Gogoi, Parismita Gogoi, Yang Saring · 2026

Under-resourced languages remain underrepresented in quantitative rhythm research,particularly in systematic intra-branch analysis of acoustic differentiation within closely related linguistic groups.…

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Engineering Preprint PDF DOI

Dynamic UGV-UAV Cooperative Path Planning in Uncertain Environments

Ninh Nguyen, Srinivas Akella · 2026

This paper addresses the Dynamic UGV-UAV Cooperative Path Planning (DUCPP) problem involving one unmanned ground vehicle (UGV) assisted by one or more unmanned aerial vehicles (UAVs) operating on an u…

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Engineering Preprint PDF DOI

An analysis of sensor selection for fruit picking with suction-based grippers

Eva Krueger, Marcus Rosette, Joseph R. Davidson · 2026

Robotic fruit harvesting often fails to reliably detect whether a fruit has been successfully picked, limiting efficiency and increasing crop damage. This problem is difficult due to compliant fruit a…

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Engineering Preprint PDF DOI

Sliding Mode Control for Safe Trajectory Tracking with Moving Obstacles Avoidance: Experimental Validation on Planar Robots

Shubham Sawarkar, P Sangeerth, S Saharsh, Pushpak Jagtap · 2026

This paper presents a unified control framework for robust trajectory tracking and moving obstacle avoidance applicable to a broad class of mobile robots. By formulating a generalized kinematic transf…

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Engineering Preprint PDF DOI

VLM-VPI: A Vision-Language Reasoning Framework for Improving Automated Vehicle-Pedestrian Interactions

Qingwen Pu, Kun Xie, Yuxiang Liu · 2026

Autonomous driving systems often infer pedestrian yielding behavior from geometric and kinematic cues alone, limiting their ability to reason about visual scene context and age-dependent behavioral va…

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Engineering Preprint PDF DOI

QuietWalk: Physics-Informed Reinforcement Learning for Ground Reaction Force-Aware Humanoid Locomotion Under Diverse Footwear

Hanze Hu, Luying Feng, Silu Chen, Tianjiang Zheng, Dexin Jiang, Wei Chen, Chi Zhang, Guilin Yang, Yaochu Jin · 2026

Humanoid robots operating in human-centered environments (e.g., homes, hospitals, and offices) must mitigate foot--ground impact transients, as impact-induced vibration and noise degrade user experien…

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Engineering Preprint PDF DOI

Sample entropy for graph signals: An approach to nonlinear analysis of graph signals

Mei-San Maggie Lei, John Stewart Fabila Carrasco, Javier Escudero · 2026

We introduce a graph-signal generalisation of Sample Entropy, denoted SampEn$_{G}$, to quantify irregularity of graph signals on a continuous state space, complementing existing methods on symbolic dy…

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Engineering Preprint PDF DOI

Model Predictive Communication for Timely Status Updates in Low-Altitude Networks

Bowen Li, Jiping Luo, Themistoklis Charalambous, Nikolaos Pappas · 2026

Timely information delivery in low-altitude networks is critical for many time-sensitive applications, such as unmanned aerial vehicle (UAV) navigation, inspection, and surveillance. The key challenge…

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Engineering Preprint PDF DOI

Design Space Exploration for ReRAM-based Architectures to Address Scaling Non-idealities

Ching-Yi Lin, Sahil Shah · 2026

ReRAM-based in-memory computing (IMC) architectures are promising candidates for energy-efficient matrix-vector multiplication. While scaling the size of ReRAM arrays allows for the amortization of po…

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Engineering Preprint PDF DOI

New Insights into Channel vs Subspace Codes for Large-Scale Beamspace MIMO Channel Sensing

Parthasarathi Khirwadkar, Robin Rajamaki, Piya Pal · 2026

This paper provides novel insights into channel and subspace codes in nonadaptive channel sensing with a single RF chain. Observing that this problem naturally maps to a noncoherent decoding problem, …

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Engineering Preprint PDF DOI

Muscle-inspired magnetic actuators that push, pull, crawl, and grasp

Muhammad Bilal Khan, Florian Hofmann, Kilian Schafer, Matthias Lutzi, Oliver Gutfleisch · 2026

Functional magnetic composites capable of large deformation, load bearing, and multifunctional motion are essential for next-generation adaptive soft robots. Here, we present muscle-inspired magnetic …

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Engineering Preprint PDF DOI

EvoMarket: A High-Fidelity and Scalable Financial Market Simulator

Muyao Zhong, Zhenhua Yang, Yuxiang Liu, Ke Tang, Peng Yang · 2026

High-fidelity, scalable market simulation is a key instrument for mechanism evaluation, stress testing, and counterfactual policy analysis. Yet existing simulators rarely achieve \emph{mechanism fidel…

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Engineering Preprint PDF DOI

EcoTIM: Fuel-saving multi-brand tillage with ISO 11783 TIM

Ruben Hefele, Timo Oksanen · 2026

Tillage operations account for a large share of on-farm diesel consumption, yet the fuel efficiency of the combined tractor-implement system is not optimised in current practice. Modern continuously v…

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Engineering Preprint PDF DOI

Movable-Antenna Enabled Robust Vehicular Consumer Networks Under Imperfect CSI

Xuhui Zhang, Chunjie Wang, Wenchao Liu, Huijun Xing, Jinke Ren, Zheng Xing, Yanyan Shen · 2026

The accelerating advancement of intelligent transportation systems has established consumer-oriented vehicular networks (CVNs) as a critical infrastructure for next-generation connected mobility. Howe…

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Engineering Preprint PDF DOI

Distributed Nesterov Flows for Multi-agent Optimization

Zihao Ren, Lei Wang, Guodong Shi · 2026

Various distributed gradient descent algorithms for multi-agent optimization have incorporated the Nesterov accelerated gradient method, where the use of momentum enhances convergence rates. These alg…

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Engineering Preprint PDF DOI

Leveraging VR Robot Games to Facilitate Data Collection for Embodied Intelligence Tasks

Yihan Zhang, Ziyun Huang, Linqi Ye · 2026

Collecting embodied interaction data at scale remains costly and difficult due to the limited accessibility of conventional interfaces. We present a gamified data collection framework based on Unity t…

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Engineering Preprint PDF DOI

Nonlinear Stochastic Density Steering via Gaussian Mixture Schrodinger Bridges and Multiple Linearizations

Mattia Mosso, George Rapakoulias, Yue Guan, Panagiotis Tsiotras · 2026

The paper studies the optimal density steering problem for nonlinear continuous-time stochastic systems. To accurately capture nonlinear dynamics in high-uncertainty regions that deviate significantly…

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Engineering Preprint PDF DOI

Neuromorphic Spiking Ring Attractor for Proprioceptive Joint-State Estimation

Federica Ferrari, Flavia Davidhi, Bernard Maacaron, Alberto Motta, Luuk van Keeken, Elisa Donati, Giacomo Indiveri, Chiara De Luca, Chiara Bartolozzi · 2026

Maintaining stable internal representations of continuous variables is fundamental for effective robotic control. Continuous attractor networks provide a biologically inspired mechanism for encoding s…

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