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🔍 vikas chandra 📂 Engineering
Showing 30 results for "vikas chandra" in Engineering
Engineering Preprint PDF DOI

ViTaS: Visual Tactile Soft Fusion Contrastive Learning for Visuomotor Learning

Yufeng Tian, Shuiqi Cheng, Tianming Wei, Tianxing Zhou, Yuanhang Zhang, Zixian Liu, Qianwei Han, Zhecheng Yuan, Huazhe Xu · 2026

Tactile information plays a crucial role in human manipulation tasks and has recently garnered increasing attention in robotic manipulation. However, existing approaches mostly focus on the alignment …

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Engineering Preprint PDF DOI

Artificial Magnetic Conductor Frame to Improve Impedance Matching and Radiation Symmetry in 2$\times$2 Array for 6G Applications

Edoardo Giusti, Krishan Kumar Tiwari, C.J. Reddy, Danilo Brizi, Agostino Monorchio, Giuseppe Caire · 2026

An Artificial Magnetic Conductor (AMC) frame capable of improving the impedance matching of a 2$\times$2 array for 6G applications without degrading isolation performance is presented. The proposed fr…

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Engineering Preprint PDF DOI

SanDRA: Safe Large-Language-Model-Based Decision Making for Automated Vehicles Using Reachability Analysis

Yuanfei Lin, Sebastian Illing, Matthias Althoff · 2025

Large language models have been widely applied to knowledge-driven decision-making for automated vehicles due to their strong generalization and reasoning capabilities. However, the safety of the resu…

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Engineering Preprint PDF DOI

3D Electronic-Photonic Heterogenous Interconnect Platforms Enabling Energy-Efficient Scalable Architectures For Future HPC Systems

Anirban Samanta, Shun-Hung Lee, Chun-Yi Cheng, Samuel Palermo, S. J. Ben Yoo · 2025

3D interconnects have emerged as a solution to address the scaling issues of interconnect bandwidth and the memory wall problem in high-performance computing (HPC), such as High-Bandwidth Memory (HBM)…

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Engineering Preprint PDF DOI

Simplified Design Approach for Via Transitions up to 67 GHz

Giorgi Tsintsadze, Reza Vahdani, James L. Drewniak, Richard Zai · 2025

A systematic approach for high-speed via transition design is proposed. The effects of via barrel radius, anti-pad size, and the distance from adjacent stitching (GND) vias on bandwidth are analyzed a…

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Engineering Preprint PDF DOI

Advanced 3D Imaging Approach to TSV/TGV Metrology and Inspection Using Only Optical Microscopy

Gugeong Sung · 2025

This paper introduces an innovative approach to silicon and glass via inspection, which combines hybrid field microscopy with photometric stereo. Conventional optical microscopy techniques are general…

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Engineering Preprint PDF DOI

A Self-Supervised Learning of a Foundation Model for Analog Layout Design Automation

Sungyu Jeong, Won Joon Choi, Junung Choi, Anik Biswas, Byungsub Kim · 2025

We propose a UNet-based foundation model and its self-supervised learning method to address two key challenges: 1) lack of qualified annotated analog layout data, and 2) excessive variety in analog la…

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Engineering Preprint PDF DOI

MORE-Stress: Model Order Reduction based Efficient Numerical Algorithm for Thermal Stress Simulation of TSV Arrays in 2.5D/3D IC

Tianxiang Zhu, Qipan Wang, Yibo Lin, Runsheng Wang, Ru Huang · 2024

Thermomechanical stress induced by through-silicon vias (TSVs) plays an important role in the performance and reliability analysis of 2.5D/3D ICs. While the finite element method (FEM) adopted by comm…

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Engineering Preprint PDF DOI

Digitizing Touch with an Artificial Multimodal Fingertip

Mike Lambeta, Tingfan Wu, Ali Sengul, Victoria Rose Most, Nolan Black, Kevin Sawyer, Romeo Mercado, Haozhi Qi, Alexander Sohn, Byron Taylor, Norb Tydingco, Gregg Kammerer, Dave Stroud, Jake Khatha, Kurt Jenkins, Kyle Most, Neal Stein, Ricardo Chavira, Thomas Craven-Bartle, Eric Sanchez, Yitian Ding, Jitendra Malik, Roberto Calandra · 2024

Touch is a crucial sensing modality that provides rich information about object properties and interactions with the physical environment. Humans and robots both benefit from using touch to perceive a…

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Engineering Preprint PDF DOI

FlashAudio: Rectified Flows for Fast and High-Fidelity Text-to-Audio Generation

Huadai Liu, Jialei Wang, Rongjie Huang, Yang Liu, Heng Lu, Zhou Zhao, Wei Xue · 2024

Recent advancements in latent diffusion models (LDMs) have markedly enhanced text-to-audio generation, yet their iterative sampling processes impose substantial computational demands, limiting practic…

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Engineering Preprint PDF DOI

Open loop calibration and closed loop non-perturbative estimation of the lateral errors of an adaptive optics system: examples with GRAVITY+ and CHARA experimental data

Anthony Berdeu (LESIA), Henri Bonnet (ESO), Jean-Baptiste Le Bouquin (IPAG), Johann Kolb (ESO), Guillaume Bourdarot (MPE), Philippe Berio (OCA), Thibaut Paumard (LESIA), Frank Eisenhauer (MPE), Christian Straubmeier, Paulo Garcia (CENTRA, FEUP), Sebastian Honig, Florentin Millour (OCA), Laura Kreidberg (MPIA), Denis Defrere, Ferreol Soulez (CRAL), Denis Mourard (OCA), Gail Schaefer, Narsireddy Anugu · 2024

Performances of an adaptive optics (AO) system are directly linked with the quality of its alignment. During the instrument calibration, having open loop fast tools with a large capture range are nece…

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Engineering Preprint PDF DOI

A Fully Screen-Printed Vanadium-Dioxide Switches Based Wideband Reconfigurable Intelligent Surface for 5G Bands

Yiming Yang, Mohammad Vaseem, Ruiqi Wang, Behrooz Makki, Atif Shamim · 2024

Reconfigurable Intelligent Surface (RIS) is attracting more and more research interest because of its ability to reprogram the radio environment. Designing and implementing the RIS, however, is challe…

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Engineering Preprint PDF DOI

The Development and Performance of a Machine Learning Based Mobile Platform for Visually Determining the Etiology of Penile Pathology

Lao-Tzu Allan-Blitz, Sithira Ambepitiya, Raghavendra Tirupathi, Jeffrey D. Klausner, Yudara Kularathne · 2024

Machine-learning algorithms can facilitate low-cost, user-guided visual diagnostic platforms for addressing disparities in access to sexual health services. We developed a clinical image dataset using…

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Engineering Preprint PDF DOI

Feedback-feedforward Signal Control with Exogenous Demand Estimation in Congested Urban Road Networks

Leonardo Pedroso, Pedro Batista, Markos Papageorgiou · 2023

To cope with uncertain traffic patterns and traffic models, traffic-responsive signal control strategies in the literature are designed to be robust to these uncertainties. These robust strategies sti…

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Engineering Preprint PDF DOI

FDSOI Process Based MIV-transistor Utilization for Standard Cell Designs in Monolithic 3D Integration

Madhava Sarma Vemuri, Umamaheswara Rao Tida · 2023

Monolithic Three-Dimensional Integrated Circuits (M3D-IC) has become an attractive option to increase the transistor density. In M3D-IC, substrate layers are realized on top of previous layers using s…

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Engineering Preprint PDF DOI

A Review of the Recent Developments in the Fabrication Processes of CMOS Image Sensors for Smartphones

Kirthika Nahalingam, Linda P. B. Katehi · 2023

CMOS Image Sensors are experiencing significant growth due to their capabilities to be integrated in smartphones with refined image quality. One of the major contributions to the growth of image senso…

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Engineering Preprint PDF DOI

VILAS: Exploring the Effects of Vision and Language Context in Automatic Speech Recognition

Ziyi Ni, Minglun Han, Feilong Chen, Linghui Meng, Jing Shi, Pin Lv, Bo Xu · 2023

Enhancing automatic speech recognition (ASR) performance by leveraging additional multimodal information has shown promising results in previous studies. However, most of these works have primarily fo…

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Engineering Preprint PDF DOI

A Wideband Reconfigurable Intelligent Surface for 5G Millimeter-Wave Applications

Ruiqi Wang, Yiming Yang, Behrooz Makki, Atif Shamim · 2023

Despite the growing interest in reconfigurable intelligent surfaces (RISs) for millimeter-wave (mm-wave) bands, and the considerable theoretical work reported by the communication community, there is …

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Engineering Preprint PDF DOI

Integrated Graphene Patch Antenna for Communications at THz Frequencies

E. P. de Santana, A. K. Wigger, Z. Wang, K. Wang, M. Lemme, S. Abadal, P. H. Bolivar · 2022

Graphene is an attractive material for communications in the THz range due to its ability to support surface plasmon polaritons. This enables a graphene antenna to be smaller in size than its metallic…

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Engineering Preprint PDF DOI

Multi-Antenna Configuration with Reduced Passive Self-Interference for Full-Duplex Intelligent Transportation System

Jogesh Chandra Dash, Debdeep Sarkar · 2022

In this paper, we propose a closely spaced multi-antenna system with \textit{passive} self-interference cancellation (\textit{p}-SIC) of $\approx 90$ dB between the transmitter and receiver antenna fo…

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