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๐Ÿ” chris piech ๐Ÿ“‚ Engineering
Showing 902 results for "chris piech" in Engineering
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 ยท 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 measurementโ€ฆ

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Engineering Preprint PDF DOI

A Kinematic Framework for Evaluating Pinch Configurations in Robotic Hand Design without Object or Contact Models

HyoJae Kang, Joonho Lee, Hyunmok Jung, Dong Il Park ยท 2026

Evaluating the pinch capability of a robotic hand is important for understanding its functional dexterity. However, many existing grasp evaluation methods rely on object geometry or contact force modeโ€ฆ

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Engineering Preprint PDF DOI

Radar Odometry Subject to High Tilt Dynamics of Subarctic Environments

Matej Boxan, William Larrivee-Hardy, Francois Pomerleau ยท 2026

Rotating FMCW radar odometry methods often assume flat ground conditions. While this assumption is sufficient in many scenarios, including urban environments or flat mining setups, the highly dynamic โ€ฆ

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Engineering Preprint PDF DOI

Periodic Steady-State Control of a Handkerchief-Spinning Task Using a Parallel Anti-Parallelogram Tendon-driven Wrist

Lei Liu, Haonan Zhang, Huahang Xu, Zefan Zhang, Lulu Chang, Lei Lv, Andrew Ross McIntosh, Kai Sun, Zhenshan Bing, Jiahong Dong, Fuchun Sun ยท 2026

Spinning flexible objects, exemplified by traditional Chinese handkerchief performances, demands periodic steady-state motions under nonlinear dynamics with frictional contacts and boundary constraintโ€ฆ

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Engineering Preprint PDF DOI

Classical Machine Learning Baselines for Deepfake Audio Detection on the Fake-or-Real Dataset

Faheem Ahmad, Ajan Ahmed, Masudul Imtiaz ยท 2026

Deep learning has enabled highly realistic synthetic speech, raising concerns about fraud, impersonation, and disinformation. Despite rapid progress in neural detectors, transparent baselines are needโ€ฆ

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Engineering Preprint PDF DOI

ProSDD: Learning Prosodic Representations for Speech Deepfake Detection against Expressive and Emotional Attacks

Aurosweta Mahapatra, Ismail Rasim Ulgen, Kong Aik Lee, Nicholas Andrews, Berrak Sisman ยท 2026

Speech deepfake detection (SDD) systems perform well on standard benchmarks datasets but often fail to generalize to expressive and emotional spoofing attacks. Many methods rely on spoof-heavy traininโ€ฆ

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Engineering Preprint PDF DOI

Simulation of Adaptive Running with Flexible Sports Prosthesis using Reinforcement Learning of Hybrid-link System

Yuta Shimane, Ko Yamamoto ยท 2026

This study proposes a reinforcement learning-based adaptive running motion simulation for a unilateral transtibial amputee with the flexibility of a leaf-spring-type sports prosthesis using hybrid-linโ€ฆ

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Engineering Preprint PDF DOI

Accurate and Reliable Uncertainty Estimates for Deterministic Predictions Extensions to Under and Overpredictions

Rileigh Bandy, Enrico Camporeale, Andong Hu, Thomas Berger, Rebecca Morrison ยท 2026

Computational models support high-stakes decisions across engineering and science, and practitioners increasingly seek probabilistic predictions to quantify uncertainty in such models. Existing approaโ€ฆ

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Engineering Preprint PDF DOI

From Cut-In to Rated: Multi-Region Floating Offshore Wind Farm Control for Secondary Frequency Regulation

Stephen Ampleman, Dennice F. Gayme ยท 2026

This paper describes a multi-region control framework for floating offshore wind farms. Specifically, we propose a novel generator torque controller that regulates rotor speed in Region 2, correspondiโ€ฆ

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Engineering Preprint PDF DOI

Brain-to-Speech: Prosody Feature Engineering and Transformer-Based Reconstruction

Mohammed Salah Al-Radhi, Geza Nemeth, Andon Tchechmedjiev, Binbin Xu ยท 2026

This chapter presents a novel approach to brain-to-speech (BTS) synthesis from intracranial electroencephalography (iEEG) data, emphasizing prosody-aware feature engineering and advanced transformer-bโ€ฆ

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Engineering Preprint PDF DOI

MARS-Dragonfly: Agile and Robust Flight Control of Modular Aerial Robot Systems

Rui Huang, Zhiqian Cai, Siyu Tang, Pengxuan Wei, Lidong Li, Xin Chen, Wenhan Cao, Zhenyu Zhang, Lin Zhao ยท 2026

Modular Aerial Robot Systems (MARS) comprise multiple drone units with reconfigurable connected formations, providing high adaptability to diverse mission scenarios, fault conditions, and payload capaโ€ฆ

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Engineering Preprint PDF DOI

Nonlinear System Identification of Variable-Pitch Propellers Using a Wiener Model

David Grasev, Miguel A. Mendez ยท 2026

This work presents the system identification of a variable-pitch propeller (VPP) powertrain, encompassing the full actuation chain from PWM signals to thrust generation, with the aim of developing comโ€ฆ

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Engineering Preprint PDF DOI

Robust Pitch Estimation and Tracking for Speakers Based on Subband Encoding and the Generalized Labeled Multi-Bernoulli Filter

Shoufeng Lin ยท 2026

This paper proposes a new pitch estimator and a novel pitch tracker for speakers. We first decompose the sound signal into subbands using an auditory filterbank, assuming time-frequency sparsity of huโ€ฆ

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Engineering Preprint PDF DOI

The QuadSoft: Design, Construction, and Experimental Validation of a Soft and Actuated Quadrotor

Rodolfo Verdin, Hugo Moreno, Mark W. Spong, Gerardo Flores ยท 2026

This paper presents QuadSoft, a novel fully actuated quadrotor equipped with continuous-curvature, tendon-driven soft robotic arms. The design combines a semi-rigid central frame with flexible arms, eโ€ฆ

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Engineering Preprint PDF DOI

Optimistic Online LQR via Intrinsic Rewards

Marcell Bartos, Bruce D. Lee, Lenart Treven, Andreas Krause, Florian Dorfler, Melanie N. Zeilinger ยท 2026

Optimism in the face of uncertainty is a popular approach to balance exploration and exploitation in reinforcement learning. Here, we consider the online linear quadratic regulator (LQR) problem, i.e.โ€ฆ

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Engineering Preprint PDF DOI

ParaSpeechCLAP: A Dual-Encoder Speech-Text Model for Rich Stylistic Language-Audio Pretraining

Anuj Diwan, Eunsol Choi, David Harwath ยท 2026

We introduce ParaSpeechCLAP, a dual-encoder contrastive model that maps speech and text style captions into a common embedding space, supporting a wide range of intrinsic (speaker-level) and situationโ€ฆ

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Engineering Preprint PDF DOI

A Self-Rotating Tri-Rotor UAV for Field of View Expansion and Autonomous Flight

Xiaobin Zhou, Zihao Zheng, Aoxu Jin, Lei Qiang, Bo Zhu ยท 2026

Unmanned Aerial Vehicles (UAVs) perception relies on onboard sensors like cameras and LiDAR, which are limited by the narrow field of view (FoV). We present Self-Perception INertial Navigation Enabledโ€ฆ

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Engineering Preprint PDF DOI

A Nonvolatile Switchable-polarity EPM Valve

Bingchao Wang, Jonah Mack, Francesco Giorgio-Serchi, Adam A. Stokes ยท 2026

Scalable control of pneumatic and fluidic networks remains fundamentally constrained by architectures that require continuous power input, dense external control hardware, and fixed routing topologiesโ€ฆ

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Engineering Preprint PDF DOI

Design, Modelling and Characterisation of a Miniature Fibre-Reinforced Soft Bending Actuator for Endoluminal Interventions

Xiangyi Tan, Aoife McDonald-Bowyer, Danail Stoyanov, Agostino Stilli ยท 2026

Miniaturised soft pneumatic actuators are crucial for robotic intervention within highly constrained anatomical pathways. This work presents the design and validation of a fibre-reinforced soft actuatโ€ฆ

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Engineering Preprint PDF DOI

Affordance-Guided Enveloping Grasp Demonstration Toward Non-destructive Disassembly of Pinch-Infeasible Mating Parts

Masaki Tsutsumi, Takuya Kiyokawa, Gen Sako, Kensuke Harada ยท 2026

Robotic disassembly of complex mating components often renders pinch grasping infeasible, necessitating multi-fingered enveloping grasps. However, visual occlusions and geometric constraints complicatโ€ฆ

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