ASME Letters in Dynamic Systems and Control: Recent submissions
Now showing items 81-100 of 153
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Fisher Identifiability Analysis of Longitudinal Vehicle Dynamics
(The American Society of Mechanical Engineers (ASME), 2021)This article investigates the theoretical Cramér-Rao bounds on estimation accuracy of longitudinal vehicle dynamics parameters. This analysis is motivated by the value of parameter estimation in various applications, ... -
Multi-Model Structured H-Infinity Design of a Robust and Aggressive Turbofan Jet Engine Controller
(The American Society of Mechanical Engineers (ASME), 2021)Jet engine control comprises tracking either the fan speed or engine pressure ratio setpoints. Further, safe operation entails maintaining several additional parameters, such as high-pressure turbine temperature, combustor ... -
Balancing Inverted Pendulum Cart on Inclines Using Accelerometers
(The American Society of Mechanical Engineers (ASME), 2021)The balance of inverted pendulum on inclined surfaces is the precursor to their control in unstructured environments. Researchers have devised control algorithms with feedback from contact (encoders—placed at the pendulum ... -
An Efficient Design Procedure for MEMS Electrothermal Microgripper
(The American Society of Mechanical Engineers (ASME), 2021)With the development of miniaturization technology, micro-electromechanical system (MEMS) electrothermal microgrippers have been widely used owing to their compact size, ease of manufacturing, and low production cost. Since ... -
Speed- and Range-Based Filter Design for Dual-Stage Actuator Control
(The American Society of Mechanical Engineers (ASME), 2021)Dual-stage actuators, which combine two actuators with different characteristics, have gained interest due to their large-range, high-resolution positioning capabilities. Control of such systems is challenging because it ... -
A Novel Concept for Energy-Optimal, Independent-Phase Control of Brushless Motor Drivers
(The American Society of Mechanical Engineers (ASME), 2021)In this work, a new drive concept for brushless direct current (BLDC) motors is introduced. Energy regeneration is optimally managed with the aim of improving the energy efficiency of robot motion controls. The proposed ... -
Oscillations of Air Cavity Under Hull of Accelerating Boat
(The American Society of Mechanical Engineers (ASME), 2022)Substantial reduction of ship drag is achievable with air cavities arranged on the hull bottom. However, the air cavities can become unstable, particularly in unsteady environments such as sea waves. Oscillations of cavities ... -
Convolutional Networks for Classification of Mortars
(The American Society of Mechanical Engineers (ASME), 2022)The task of classifying unexploded mortars is critical in both humanitarian and military explosive ordnance disposal (EOD) operations. Classification needs to be completed quickly and accurately and is the first step toward ... -
Equations of Motion of Dynamical Systems From Kinematic Characteristics of the Phase Space
(The American Society of Mechanical Engineers (ASME), 2022)In the analysis of most engineering dynamical systems, relativistic considerations are unnecessary, allowing an absolute time and simultaneity of events to be assumed. In this article, it is first established that this ... -
Hierarchical Robust Adaptive Control for Wind Turbines With Actuator Fault
(The American Society of Mechanical Engineers (ASME), 2022)This article solves the problem of regulating the rotor speed tracking error for wind turbines in the full-load region by an effective robust adaptive control strategy. The developed controller compensates for the uncertainty ... -
Slip-Clutch Torque Estimation via Real-Time Adaptive Lookup Table
(The American Society of Mechanical Engineers (ASME), 2021)Transfer case clutch is crucial in determining traction torque distribution between front and rear tires for four-wheel-drive (4WD) vehicles. Estimating time-varying clutch surface friction coefficient is critical for ... -
Parameter Identification for Electrochemical Models of Lithium-Ion Batteries Using Sensitivity Analysis
(The American Society of Mechanical Engineers (ASME), 2021)Predicting the chemical and physical processes occurring in Lithium-ion cells with high-fidelity electrochemical models is today a critical requirement to accelerate the design and optimization of battery packs for automotive ... -
A Gated Two-Frequency Two-Mode Method for Piezoelectric Motorization
(The American Society of Mechanical Engineers (ASME), 2021)In this study, we present a new driving method to generate traveling waves in a finite plate for application to piezoelectric motors. Due to resonant modes which dominate the vibration of finite structures, methods to ... -
Parameter Identification and Sensitivity Analysis for Zero-Dimensional Physics-Based Lithium-Sulfur Battery Models
(The American Society of Mechanical Engineers (ASME), 2021)This paper examines parameter estimation for Lithium-Sulfur (Li-S) battery models from experimental data. Li-S batteries are attractive compared to traditional Lithium-ion batteries, thanks largely to their potential to ... -
Resilient Flocking Control for Connected and Automated Vehicles With Cyber-Attack Threats
(The American Society of Mechanical Engineers (ASME), 2021)To improve the cybersecurity of flocking control for connected and automated vehicles (CAVs), this paper proposes a novel resilient flocking control by specifically considering cyber-attack threats on vehicle tracking ... -
New Hammerstein Modeling and Analysis for Controlling Melt Pool Width in Powder Bed Fusion Additive Manufacturing
(The American Society of Mechanical Engineers (ASME), 2021)Despite the advantages and emerging applications, broader adoption of powder bed fusion (PBF) additive manufacturing is challenged by insufficient reliability and in-process variations. Finite element modeling and ... -
Investigating Trajectory-Based Combustion Control Using a Controlled Trajectory Rapid Compression and Expansion Machine
(The American Society of Mechanical Engineers (ASME), 2021)This study presents a systematic framework for the real-time implementation of a new combustion control strategy—trajectory-based combustion control—for the operation of free piston engines (FPEs). The free piston engine ... -
A Traveling Wave Thermoacoustic Engine—Design and Test
(The American Society of Mechanical Engineers (ASME), 2021)The demand for clean, sustainable, and cost-effective energy continues to increase due to global population growth and the corresponding use of consumer products. The provision of heat to a thermoacoustic prime mover results ... -
Bending Detection of Li-Ion Pouch Cells Using Impedance Spectra
(The American Society of Mechanical Engineers (ASME), 2021)Li-ion batteries are the preferred choice of energy storage in many applications. However, the potential for fire and explosion due to mechanical damage remains a safety concern. Currently, there are no criteria for the ... -
Analytical Model for Enhanced Eigen-Mode Sensitivities in a Coupled Micro-Resonator Array for Ultra-Sensitive Mass Measurement
(The American Society of Mechanical Engineers (ASME), 2020)Resonant sensors using coupled micro-cantilever array have applications in a wide range of areas including ultrasensitive mass detection of bio-molecules and chemical analytes. A target mass deposited on one of the cantilevers ...