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15+ open-access research outputs.

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๐Ÿ” rishabh iyer ๐Ÿ“‚ Engineering
Showing 15 results for "rishabh iyer" in Engineering
Engineering Preprint PDF DOI

TokEye: Fast Signal Extraction for Fluctuating Time Series via Offline Self-Supervised Learning From Fusion Diagnostics to Bioacoustics

Nathaniel Chen, Kouroche Bouchiat, Peter Steiner, Andrew Rothstein, David Smith, Max Austin, Mike van Zeeland, Azarakhsh Jalalvand, Egemen Kolemen ยท 2026

Next-generation fusion facilities like ITER face a "data deluge," generating petabytes of multi-diagnostic signals daily that challenge manual analysis. We present a "signals-first" self-supervised frโ€ฆ

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Engineering Preprint PDF DOI

MPC strategies for density profile control with pellet fueling in nuclear fusion tokamaks under uncertainty

Christopher A. Orrico, Hari Prasad Varadarajan, Matthijs van Berkel, Lennard Ceelen, Thomas O. S. J. Bosman, W. P. M. H. Heemels, Dinesh Krishnamoorthy ยท 2025

Control of the density profile based on pellet fueling for the ITER nuclear fusion tokamak involves a multi-rate nonlinear system with safety-critical constraints, input delays, and discrete actuatorsโ€ฆ

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Engineering Preprint PDF DOI

Numerical analysis of fluid estimation for source terms in neutral particles simulation

Zhirui Tang, Emil L{o}vbak, Julian Koellermeier, Giovanni Samaey ยท 2025

In plasma edge simulations, kinetic Monte Carlo (MC) is often used to simulate neutral particles and estimate source terms. For large-sized reactors, like ITER and DEMO, high particle collision rates โ€ฆ

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Engineering Preprint PDF DOI

Important Bit Prefix M-ary Quadrature Amplitude Modulation for Semantic Communications

Haonan Lu, Rui Meng, Xiaodong Xu, Yiming Liu, Ping Zhang, Dusit Niyato ยท 2025

M-ary Quadrature Amplitude Modulation (MQAM) is a commonly used channel modulation technology in wireless communication systems. To achieve dedicated channel modulation for semantic communication (Semโ€ฆ

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Engineering Preprint PDF DOI

A Real-to-Sim-to-Real Approach to Robotic Manipulation with VLM-Generated Iterative Keypoint Rewards

Shivansh Patel, Xinchen Yin, Wenlong Huang, Shubham Garg, Hooshang Nayyeri, Li Fei-Fei, Svetlana Lazebnik, Yunzhu Li ยท 2025

Task specification for robotic manipulation in open-world environments is challenging, requiring flexible and adaptive objectives that align with human intentions and can evolve through iterative feedโ€ฆ

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Engineering Preprint PDF DOI

Real-Time AIoT for AAV Antenna Interference Detection via Edge-Cloud Collaboration

Jun Dong, Jintao Cheng, Jin Wu, Chengxi Zhang, Shunyi Zhao, Xiaoyu Tang ยท 2024

In the fifth-generation (5G) era, eliminating communication interference sources is crucial for maintaining network performance. Interference often originates from unauthorized or malfunctioning antenโ€ฆ

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Engineering Preprint PDF DOI

RSF-Conv: Rotation-and-Scale Equivariant Fourier Parameterized Convolution for Retinal Vessel Segmentation

Zihong Sun, Hong Wang, Qi Xie, Yefeng Zheng, Deyu Meng ยท 2023

Retinal vessel segmentation is of great clinical significance for the diagnosis of many eye-related diseases, but it is still a formidable challenge due to the intricate vascular morphology. With the โ€ฆ

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Engineering Preprint PDF DOI

Design and manufacturing of an optimized retro reflective marker for photogrammetric pose estimation in ITER

Laura Goncalves Ribeiro, Olli J. Suominen, Philip Bates, Sari Peltonen, Emilio Ruiz Morales, Atanas Gotchev ยท 2022

Retro reflective markers can remarkably aid photogrammetry tasks in challenging visual environments. They have been demonstrated to be key enablers of pose estimation for remote handling in ITER. Howeโ€ฆ

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Engineering Preprint PDF DOI

openFEAT: Improving Speaker Identification by Open-set Few-shot Embedding Adaptation with Transformer

Kishan K C, Zhenning Tan, Long Chen, Minho Jin, Eunjung Han, Andreas Stolcke, Chul Lee ยท 2022

Household speaker identification with few enrollment utterances is an important yet challenging problem, especially when household members share similar voice characteristics and room acoustics. A comโ€ฆ

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Engineering Preprint PDF DOI

Finite-word-length FPGA implementation of model predictive control for ITER resistive wall mode control

Samo Gerksic, Bostjan Pregelj ยท 2021

In advanced tokamak scenarios, active feedback control of unstable resistive wall modes (RWM) may be required. A RWM is an instability due to plasma kink at higher plasma pressure, moderated by the prโ€ฆ

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Engineering Preprint PDF DOI

Extracting Fractional Inspiratory Time from Electrocardiograms

Maria Nyamukuru, Kofi Odame ยท 2020

Non-invasive at-home monitoring of lung and lung airways health enables the early detection and tracking of respiratory diseases like asthma and chronic obstructive pulmonary disease (COPD). Various pโ€ฆ

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Engineering Preprint PDF DOI

Robust Vision Using Retro Reflective Markers for Remote Handling in ITER

Laura Goncalves Ribeiro, Olli J. Suominen, Sari Peltonen, Emilio Ruiz Morales, Atanas Gotchev ยท 2020

ITER's working environment is characterized by extreme conditions, that deem maintenance and inspection tasks to be carried out through remote handling. 3D Node is a hardware/software module that extrโ€ฆ

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Engineering Preprint PDF DOI

Model predictive control of resistive wall mode for ITER

Samo Gerksic, Bostjan Pregelj, Marco Ariola ยท 2020

Active feedback stabilization of the dominant resistive wall mode (RWM) for an ITER H-mode scenario at high plasma pressure using infinite-horizon model predictive control (MPC) is presented. The MPC โ€ฆ

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Engineering Preprint PDF DOI

Linear-Model-inspired Neural Network for Electromagnetic Inverse Scattering

Huilin Zhou, Tao Ouyang, Yadan Li, Jian Liu, Qiegen Liu ยท 2020

Electromagnetic inverse scattering problems (ISPs) aim to retrieve permittivities of dielectric scatterers from the scattering measurement. It is often highly nonlinear, caus-ing the problem to be verโ€ฆ

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Engineering Preprint PDF DOI

Framework for High-performance Video Acquisition and Processing in MTCA.4 Form Factor

Aleksander Mielczarek, Dariusz Makowski, Piotr Perek, Andrzej Napieralski (Lodz University of Technology) ยท 2018

The video acquisition and processing systems are commonly used in industrial and scientific applications. Many of them utilize Camera Link interface for the transmission of a video stream from the camโ€ฆ

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