Expertini Research Research

Browse Research Papers

3,999+ open-access research outputs.

✕ Clear
🔍 steven roberts 📂 Engineering
Showing 3999 results for "steven roberts" in Engineering
Engineering Preprint PDF DOI

Robust Geometric Control of Catenary Robots under Unstructured Force Uncertainties

Alexandre Anahory Simoes, Leonardo Colombo · 2026

This paper considers the robust control of a catenary robot composed of two quadrotors connected by an inextensible cable. The system is modeled on \(SE(3)\), with the cable treated as a geometric sub…

Read Paper →
Engineering Preprint PDF DOI

Bi-Level Optimization for Contact and Motion Planning in Rope-Assisted Legged Robots

Ruben Malacarne, Ioannis Tsikelis, Enrico Mingo Hoffman, Michele Focchi · 2026

This paper presents a planning pipeline framework for locomotion in rope-assisted robots climbing vertical surfaces. The proposed framework is formulated as a bi-level optimization scheme that address…

Read Paper →
Engineering Preprint PDF DOI

HiPAN: Hierarchical Posture-Adaptive Navigation for Quadruped Robots in Unstructured 3D Environments

Jeil Jeong, Minsung Yoon, Seokryun Choi, Heechan Shin, Taegeun Yang, Sung-eui Yoon · 2026

Navigating quadruped robots in unstructured 3D environments poses significant challenges, requiring goal-directed motion, effective exploration to escape from local minima, and posture adaptation to t…

Read Paper →
Engineering Preprint PDF DOI

Reference-Augmented Learning for Precise Tracking Policy of Tendon-Driven Continuum Robots

Ziqing Zou, Ke Qiu, Haojian Lu, Rong Xiong, Yue Wang · 2026

Tendon-Driven Continuum Robots (TDCRs) pose significant control challenges due to their highly nonlinear, path-dependent dynamics and non-Markovian characteristics. Traditional Jacobian-based controll…

Read Paper →
Engineering Preprint PDF DOI

Learning-Based Dynamics Modeling and Robust Control for Tendon-Driven Continuum Robots

Ziqing Zou, Ke Qiu, Fei Wang, Haojian Lu, Rong Xiong, Yue Wang · 2026

Tendon-Driven Continuum Robots (TDCRs) pose significant modeling and control challenges due to complex nonlinearities, such as frictional hysteresis and transmission compliance. This paper proposes a …

Read Paper →
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…

Read Paper →
Engineering Preprint PDF DOI

Comparative Evaluation of Modern Deep Learning Methodologies for Portfolio Optimization

Samuel Ozechi, Banjo Francis, Wisdom Yakanu, Joe Wayne Byers · 2026

This study proposes a portfolio optimization framework that integrates advanced deep learning architectures with traditional financial models to enhance risk-adjusted performance. Using historical dat…

Read Paper →
Engineering Preprint PDF DOI

Designing Robots to Support Parent-Child Connections: Opportunities Through Robot-Mediated Communication

Michael F Xu, Bengisu Cagiltay, Yaxin Hu, Anjun Zhu, Bilge Mutlu · 2026

The sense of family connectedness may support positive outcomes including individual well-being, resilience, and healthy family functioning. However, as technologies advance, they often replace human-…

Read Paper →
Engineering Preprint PDF DOI

Unleashing the Agility of Wheeled-Legged Robots for High-Dynamic Reflexive Obstacle Evasion

Yongen Zhao, Zihao Xu, Wenzhi Lu, Zhen Chu, Ce Hao · 2026

Wheeled-legged robots combine the energy efficiency of wheeled locomotion with the terrain adaptability of legged systems, making them promising platforms for agile mobility in complex and dynamic env…

Read Paper →
Engineering Preprint PDF DOI

Signal Processing Foundations of Reconfigurable Antennas in the Tri-Hybrid MIMO Architecture

Nitish Vikas Deshpande, Joseph Carlson, Siyun Yang, Mohamed Akrout, Alfredo Gonzalez, Miguel Rodrigo Castellanos, Tharmalingam Ratnarajah, Chan-Byoung Chae, Robert W. Heath Jr · 2026

To enable larger apertures in multipleinput multipleoutput MIMO systems the trihybrid MIMO architecture offers a promising lowcost and lowpower solution by introducing reconfigurable antennas as a thi…

Read Paper →
Engineering Preprint PDF DOI

RecoverFormer: End-to-End Contact-Aware Recovery for Humanoid Robots

Zihui Liu · 2026

Humanoid robots operating in unstructured environments must recover from unexpected disturbances-a capability that remains challenging for end-to-end control policies. We present RECOVERFORMER, a full…

Read Paper →
Engineering Preprint PDF DOI

A Kinematic Analysis of Palm Degrees of Freedom for Enhancing Thumb Opposability in Robotic Hands

HyoJae Kang, Yeong Jae Park, Hyunmok Jung, Joonho Lee, Dong Il Park · 2026

This study investigates the kinematic role of palm degrees of freedom (DoF) in enhancing thumb opposability in a five-finger robotic hand. A hand model consisting of a five DoF thumb and four fingers …

Read Paper →
Engineering Preprint PDF DOI

An LLM-Driven Closed-Loop Autonomous Learning Framework for Robots Facing Uncovered Tasks in Open Environments

Hong Su · 2026

Autonomous robots operating in open environments need the ability to continuously handle tasks that are not covered by predefined local methods. However, existing approaches often rely on repeated lar…

Read Paper →
Engineering Preprint PDF DOI

Characterizing pitch and roll torque coupling in insect-sized flapping-wing robots using a microfabricated gimbal

Aaron Weber, Daksh Dhingra, Sawyer B. Fuller · 2026

Sub-gram flapping-wing flying insect robots (FIRs) are challenging to model because of mechanical complexity in their wings, unsteady aerodynamic flow, and the difficulty of making precise measurement…

Read Paper →
Engineering Preprint PDF DOI

Dynamic Coupling and Indirect Control of Jointed Robots Rolling Atop A Moving Platform

Hamidreza Moradi, Scott David Kelly · 2026

An asymmetric two-link robot supported atop a flat platform by wheels that roll and pivot freely, but do not slip laterally, will develop forward momentum if the joint between the links is actuated in…

Read Paper →
Engineering Preprint PDF DOI

DiariZen Explained: A Tutorial for the Open Source State-of-the-Art Speaker Diarization Pipeline

Nikhil Raghav · 2026

Speaker diarization (SD) is the task of answering "who spoke when" in a multi-speaker audio stream. Classically, an SD system clusters segments of speech belonging to an individual speaker's identity.…

Read Paper →
Engineering Preprint PDF DOI

M$^{2}$GRPO: Mamba-based Multi-Agent Group Relative Policy Optimization for Biomimetic Underwater Robots Pursuit

Yukai Feng, Zhiheng Wu, Zhengxing Wu, Junwen Gu, Junzhi Yu · 2026

Traditional policy learning methods in cooperative pursuit face fundamental challenges in biomimetic underwater robots, where long-horizon decision making, partial observability, and inter-robot coord…

Read Paper →
Engineering Preprint PDF DOI

Reinforcement Learning Enabled Adaptive Multi-Task Control for Bipedal Soccer Robots

Yulai Zhang, Yinrong Zhang, Ting Wu, Linqi Ye · 2026

Developing bipedal football robots in dynamiccombat environments presents challenges related to motionstability and deep coupling of multiple tasks, as well ascontrol switching issues between differen…

Read Paper →
Engineering Preprint PDF DOI

Multi-Gait Learning for Humanoid Robots Using Reinforcement Learning with Selective Adversarial Motion Prior

Yuanye Wu, Keyi Wang, Linqi Ye, Boyang Xing · 2026

Learning diverse locomotion skills for humanoid robots in a unified reinforcement learning framework remains challenging due to the conflicting requirements of stability and dynamic expressiveness acr…

Read Paper →
Engineering Preprint PDF DOI

Safety-Certified CRT Sparse FFT: $\Omega(k^2)$ Lower Bound and $O(N \log N)$ Worst-Case

Aaron R. Flouro, Shawn P. Chadwick · 2026

Computing Fourier transforms of k-sparse signals, where only k of N frequencies are non-zero, is fundamental in compressed sensing, radar, and medical imaging. While the Fast Fourier Transform (FFT) e…

Read Paper →
Page 1 of 200 Next →