Expertini Research Research

Browse Research Papers

349+ open-access research outputs.

โœ• Clear
๐Ÿ” toby cubitt ๐Ÿ“‚ Engineering
Showing 349 results for "toby cubitt" in Engineering
Engineering Preprint PDF DOI

A Mechanistic Analysis of Sim-and-Real Co-Training in Generative Robot Policies

Yu Lei, Minghuan Liu, Abhiram Maddukuri, Zhenyu Jiang, Yuke Zhu ยท 2026

Co-training, which combines limited in-domain real-world data with abundant surrogate data such as simulation or cross-embodiment robot data, is widely used for training generative robot policies. Desโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Quantum Graph Neural Networks for Double-Sided Reconfigurable Intelligent Surface Optimization

Noha Hassan, Xavier Fernando, Halim Yanikomeroglu ยท 2026

As a key enabler for sixth-generation (6G) wireless communications, reconfigurable intelligent surfaces (RISs) provide the flexibility to control signal strength. Nevertheless, optimizing hundreds of โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Projected Variational Quantum Extragradient for Zero-Sum Games

Duong The Do, Matthew Aldridge, Duong Tung Nguyen ยท 2026

We propose a projected variational quantum extragradient (VQEG) framework for computing approximate Nash equilibria in two-player zero-sum matrix games. Mixed strategies are parameterized as Born distโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Multiscale topology optimization of compressible and nearly incompressible anisotropic hyperelastic structures using physics-augmented neural networks

Asghar A. Jadoon, Aryan Tyagi, L. River Spencer, Reese E. Jones, Manuel K. Rausch, Ryan Alberdi, D. Thomas Seidl, Jan N. Fuhg ยท 2026

Multiscale topology optimization (TO) of hyperelastic materials remains computationally prohibitive due to the repeated solution of microscale boundary value problems. In this work, we present a concuโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

A Novel Low-Complexity Dual-Domain Expectation Propagation Detection Aided AFDM for Future Communications

Qin Yi, Ping Yang, Zilong Liu, Zeping Sui, Yue Xiao, Gang Wu ยท 2026

This paper presents a dual-domain low-complexity expectation propagation (EP) detection framework for affine frequency division multiplexing (AFDM) systems. By analyzing the structural properties of tโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Radar-Inertial Odometry with Online Spatio-Temporal Calibration via Continuous-Time IMU Modeling

Vlaho-Josip Stironja, Luka Petrovic, Juraj Persic, Ivan Markovic, Ivan Petrovic ยท 2026

Radar-Inertial Odometry (RIO) has emerged as a robust alternative to vision- and LiDAR-based odometry in challenging conditions such as low light, fog, featureless environments, or in adverse weather.โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Direct Digital-to-Physical Synthesis: From mmWave Transmitter to Qubit Control

Najme Ebrahimi, Haoling Li, Gun Suer, Kin Chung Fong, Leonardo Ranzani ยท 2026

The increasing demand for high-speed wireless connectivity and scalable quantum information processing has driven parallel advancements in millimeter-wave (MMW) communication transmitters and cryogeniโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Model Reference Adaptive Control For Gust Load Allevation of Nonlinear Aeroelastic

Nikolaos D. Tantaroudas, Guanqun Gai, Ilias Karachalios ยท 2026

Model Reference Adaptive Control based on Lyapunov stability theory is developed for gust load alleviation of nonlinear aeroelastic systems. The controller operates on a nonlinear reduced-order model โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

SutureAgent: Learning Surgical Trajectories via Goal-conditioned Offline RL in Pixel Space

Huanrong Liu, Chunlin Tian, Tongyu Jia, Tailai Zhou, Qin Liu, Yu Gao, Yutong Ban, Yun Gu, Guy Rosman, Xin Ma, Qingbiao Li ยท 2026

Predicting surgical needle trajectories from endoscopic video is critical for robot-assisted suturing, enabling anticipatory planning, real-time guidance, and safer motion execution. Existing methods โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Enabling Dynamic Tracking in Vision-Language-Action Models via Time-Discrete and Time-Continuous Velocity Feedforward

Johannes Hechtl, Philipp Schmitt, Georg von Wichert, Wolfram Burgard ยท 2026

While vision-language-action (VLA) models have shown great promise for robot manipulation, their deployment on rigid industrial robots remains challenging due to the inherent trade-off between compliaโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

On the CRLB for Blind Receiver I/Q Imbalance Estimation in OFDM Systems: Efficient Computation and Closed-Form Bounds

Moritz Tockner, Oliver Lang, Andreas Meingassner-Lang, Mario Huemer ยท 2026

Modern mobile communication receivers are often implemented with a direct-conversion architecture, which features a number of advantages over competing designs. A notable limitation of direct-conversiโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Nonlinear Model Order Reduction for Coupled Aeroelastic-Flight Dynamic Systems

Nikolaos D. Tantaroudas, Ilias Karachalios ยท 2026

A systematic approach to nonlinear model order reduction (NMOR) of coupled fluid-structureflight dynamics systems of arbitrary fidelity is presented. The technique employs a Taylor series expansion ofโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

An Atlas of Extreme Properties in Cubic Symmetric Metamaterials

Sahar Choukir, Nirosh Manohara, Chandra Veer Singh ยท 2026

Current research on three-dimensional metamaterial has largely focused on conventional strut, plate, and shell-based lattice designs. Although these designs offer several advantages, they possess inheโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Hyper-reduction-free reduced-order Newton solvers for projection-based model-order reduction of nonlinear dynamical systems

Liam K. Magargal, Parisa Khodabakhshi, Steven N. Rodriguez ยท 2026

This study proposes an intrusive projection-based model-order reduction framework for nonlinear problems with a polynomial structure, solved iteratively using a Newton solver in the reduced space. It โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Computer-Aided Design of Rational Motions for 4R and 6R Spatial Mechanism Synthesis

Daniel Huczala, Severinas Zube, Martin Pfurner, Johannes Siegele, Frank C. Park ยท 2026

This paper focuses on geometric methods for generating rational motions used in the design of single-loop rational linkages, 1-degree-of-freedom mechanisms that can execute prescribed spatial tasks. Bโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Comparing Implicit Neural Representations and B-Splines for Continuous Function Fitting from Sparse Samples

Hongze Yu, Yun Jiang, Jeffrey A. Fessler ยท 2026

Continuous signal representations are naturally suited for inverse problems, such as magnetic resonance imaging (MRI) and computed tomography, because the measurements depend on an underlying physicalโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Nonlinear Predictive Cost Adaptive Control of Pseudo-Linear Input-Output Models Using Polynomial, Fourier, and Cubic Spline Observables

Rami Abdulelah Alhazmi, Achinth Suresh Babu, Syed Aseem Ul Islam, Dennis S. Bernstein ยท 2026

Control of nonlinear systems with high levels of uncertainty is practically relevant and theoretically challenging. This paper presents a numerical investigation of an adaptive nonlinear model predictโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Degradation-Aware Frequency Regulation of a Heterogeneous Battery Fleet via Reinforcement Learning

Tanay Raghunandan Srinivasa, Vivek Deulkar, Jia Bhargava, Mohammad Hajiesmaili, Prashant Shenoy ยท 2026

Battery energy storage systems are increasingly deployed as fast-responding resources for grid balancing services such as frequency regulation and for mitigating renewable generation uncertainty. Howeโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Orthogonal Plane-Wave Transmit-Receive Isotropic-Focusing Micro-Ultrasound (OPTIMUS) with Bias-Switchable Row-Column Arrays

Darren Dahunsi, Randy Palamar, Tyler Henry, Mohammad Rahim Sobhani, Negar Majidi, Joy Wang, Afshin Kashani Ilkhechi, Roger Zemp ยท 2026

High quality structural volumetric imaging is a challenging goal to achieve with modern ultrasound transducers. Matrix probes have limited fields of view and element counts, whereas row-column arrays โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

SLEI3D: Simultaneous Exploration and Inspection via Heterogeneous Fleets under Limited Communication

Junfeng Chen, Yuxiao Zhu, Xintong Zhang, Bing Luo, Meng Guo ยท 2026

Robotic fleets such as unmanned aerial and ground vehicles have been widely used for routine inspections of static environments, where the areas of interest are known and planned in advance. However, โ€ฆ

Read Paper โ†’
Page 1 of 18 Next โ†’