YaBeSH Digital Library: Recent submissions
Now showing items 14001-14020 of 316660
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Effects of Thermal-Moisture Coupled Field on Delamination Behavior of Electronic Packaging
(The American Society of Mechanical Engineers (ASME), 2024)Delamination failure is one of the most prevalent and serious reliability issues in micro-electronic packaging. To understand this phenomenon further, this study constructs an experimental test system consisting of a double ... -
Simultaneous Characterization of Both Coefficients of Thermal Expansion and Thermal Warpages of Flip-Chip Packages With a Cap Using Strain Gauges
(The American Society of Mechanical Engineers (ASME), 2024)A relatively low-cost and easy-to-use strain gauge measurement is proposed here as an alternative method for simultaneously determining the thermally induced warpages and the coefficients of thermal expansion (CTEs) of the ... -
Hybrid Bonding for Ultra-High-Density Interconnect
(The American Society of Mechanical Engineers (ASME), 2024)Hybrid bonding is the technology for interchip ultrahigh-density interconnect at pitch smaller than 10 μm. The feasibility at wafer-to-wafer level bonding with bond pad pitch of sub-0.5 μm has been demonstrated with scaling ... -
The Research for Quickly Measuring the Diameter and Roundness of Solder Balls Based on Machine Vision Technology
(The American Society of Mechanical Engineers (ASME), 2023)Solder balls used in electronic packaging should have high dimensional and shape accuracy requirements to ensure the connection quality of solder balls during soldering. However, the existing solder ball detection methods ... -
Blockchain Database for Improved Recording of Property Deeds
(The American Society of Mechanical Engineers (ASME), 2024)The current manual process for property deed recording lacks automation, efficiency, and transparency. Real estate transactions require disjointed efforts from multiple parties, and they only become legally binding once ... -
Leadfree SnAgCu Solder Materials Characterization at High Strain Rates at Low Test Temperatures and Drop and Shock Simulation Using Input-G Method
(The American Society of Mechanical Engineers (ASME), 2023)Electronics will experience high and low working temperatures during operations, handling, and storage in severe environments applications such as download drilling, aircraft, and transportation. Temperatures in the vehicle ... -
A Machine Learning Approach toward Cyber-Physical Security of Battery Systems
(The American Society of Mechanical Engineers (ASME), 2024)Modern battery systems exhibit a cyber-physical nature due to the extensive use of communication technologies in battery management. This makes modern cyber-physical battery systems vulnerable to cyber threats where an ... -
Anti-Windup Adaptive Look-Up Table Algorithms With Application to Data-Driven Engine Controls
(The American Society of Mechanical Engineers (ASME), 2024)This technical brief presents anti-windup adaptation algorithms for a look-up table (LUT), widely used in data-driven engine control systems to accurately model complex features while minimizing computational demand. Engine ... -
Dynamic Mode Decomposition With Gaussian Process Regression for Control of High-Dimensional Nonlinear Systems
(The American Society of Mechanical Engineers (ASME), 2024)In this work, we consider the problem of learning a reduced-order model of a high-dimensional stochastic nonlinear system with control inputs from noisy data. In particular, we develop a hybrid parametric/nonparametric ... -
Optimal Control of Material Microstructures1
(The American Society of Mechanical Engineers (ASME), 2024)In this paper, we consider the optimal control of material microstructures. Such material microstructures are modeled by the so-called phase-field model. We study the underlying physical structure of the model and propose ... -
Localization of Upstream Obstacles by Learning From Spectra of the Koopman Operator
(The American Society of Mechanical Engineers (ASME), 2024)Objects moving in water or stationary objects in streams create a vortex wake. An underwater robot encountering the wake created by another body experiences disturbance forces and moments. These disturbances can be associated ... -
Learning Scalable Decentralized Controllers for Heterogeneous Robot Swarms With Graph Neural Networks
(The American Society of Mechanical Engineers (ASME), 2024)Distributed multi-agent systems are becoming increasingly crucial for diverse applications in robotics because of their capacity for scalability, efficiency, robustness, resilience, and the ability to accomplish complex ... -
Gaussian Process-Based Learning Control of Underactuated Balance Robots With an External and Internal Convertible Modeling Structure
(The American Society of Mechanical Engineers (ASME), 2024)External and internal convertible (EIC) form-based motion control is one of the effective designs of simultaneous trajectory tracking and balance for underactuated balance robots. Under certain conditions, the EIC-based ... -
Data-Driven Aircraft Modeling for Robust Reinforcement Learning Control Synthesis With Flight Test Validation
(The American Society of Mechanical Engineers (ASME), 2024)Low-fidelity engineering-level dynamic models are commonly employed while designing uncrewed aircraft flight controllers due to their rapid development and cost-effectiveness. However, during adverse conditions, or complex ... -
Information-Theoretic Bayesian Inference for Multi-Agent Localization and Tracking of an Radio Frequency Target With Unknown Waveform
(The American Society of Mechanical Engineers (ASME), 2024)Information-theoretic motion planning and machine learning through Bayesian inference are exploited to localize and track a dynamic radio frequency (RF) emitter with unknown waveform (uncooperative target). A target-state ... -
Sound Pressure Slopes of Turbulent and Cavitating Liquids, and a Method to Predict Such Levels
(The American Society of Mechanical Engineers (ASME), 2024)This paper presents an author-created, unique method called the ABC method to predict sound pressure of turbulent and cavitating liquids according to ISA Standard 75.17 and is measured 1 m from the outer wall of a downstream ... -
Reviewer’s Recognition
(The American Society of Mechanical Engineers (ASME), 2024)The Editor-in-Chief and Editorial Board of the ASME Letters in Dynamic Systems and Control would like to thank all of the reviewers for volunteering their expertise and time reviewing manuscripts in 2023. Serving as reviewers ... -
Inferring Human Control Intent Using Inverse Linear Quadratic Regulator With Output Penalty Versus Gain Penalty: Better Fit but Similar Intent
(The American Society of Mechanical Engineers (ASME), 2024)To identify the underlying mechanisms of human motor control, parametric models are utilized. One approach of employing these models is the inferring the control intent (estimating motor control strategy). A well-accepted ... -
An Adjoint-Based Data-Driven Inverse-Free Iterative Feedforward Control Method
(The American Society of Mechanical Engineers (ASME), 2024)Feedforward control is widely used in control systems since it can achieve high tracking performance by effectively compensating for known disturbances before they affect the system. For traditional feedforward control ... -
Velocity and Energy Consumption Prediction of Medium-Duty Electric Trucks Considering Road Features and Traffic Conditions
(The American Society of Mechanical Engineers (ASME), 2024)Electric vehicles (EVs) have emerged as a promising solution to address environmental concerns, especially benefiting urban delivery and last-mile fleets due to their unique operational characteristics. Despite the potential ...