Journal of Dynamic Systems, Measurement, and Control: Recent submissions
Now showing items 361-380 of 5605
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A Physics-Informed Two-Level Machine-Learning Model for Predicting Melt-Pool Size in Laser Powder Bed Fusion
(The American Society of Mechanical Engineers (ASME), 2021)Laser powder bed fusion (L-PBF) additive manufacturing (AM) is one type of metal-based AM process that is capable of producing high-value complex components with a fine geometric resolution. As melt-pool characteristics ... -
Plant-Input-Mapping Discretization Method for a Feedback System in the State-Space Form
(The American Society of Mechanical Engineers (ASME), 2021)The paper proposes the digital redesign technique called plant-input-mapping (PIM) method for a feedback system described in the state-space form. The PIM method, which was originally presented in the transfer function ... -
Low-Speed Vehicle Path-Tracking Algorithm Based on Model Predictive Control Using QPKWIK Solver
(The American Society of Mechanical Engineers (ASME), 2021)Automated valet parking is a part of autonomous vehicles. Path tracking is a vital capability of autonomous vehicles. In the scenario of automatic valet parking, the existing control algorithm will produce a high tracking ... -
A Nonsmooth Quasi-Static Modeling Approach for Hydraulic Actuators
(The American Society of Mechanical Engineers (ASME), 2021)This paper presents an analytical approach for modeling the quasi-static characteristics of hydraulic actuators driven by four-valve independent metering circuits. The presented model is described as a nonsmooth, set-valued ... -
Rotor Behavior and Friction Torque Characteristics of a Gerotor Pump Used for Automatic Transmissions
(The American Society of Mechanical Engineers (ASME), 2021)Rotor behavior may affect the torque characteristics of gerotor pumps, but the measurement of the behavior has received little attention. Thus, in this study, we measure the rotor behavior of a gerotor pump used for automatic ... -
Design and Hardware in-the-Loop Validation of an Effective Super-Twisting Controller for Stick-Slip Suppression in Drill-String Systems
(The American Society of Mechanical Engineers (ASME), 2021)This paper presents a novel controller for drill string systems based on a super-twisting sliding mode theory. The aim is to eliminate the stick-slip vibration and maintain a constant drill string velocity at the desired ... -
An Energy-Efficient Method for Controlling Hydraulic Actuators Using Counterbalance Valves With Adjustable Pilot
(The American Society of Mechanical Engineers (ASME), 2021)Counterbalance valves (CBVs) are widely used in hydraulic machines handling gravitational loads. They are usually adopted in hydraulic circuits that set the flow to the actuator with either metering control strategies or ... -
Rotorcraft Dynamic Platform Landings Using Robotic Landing Gear
(The American Society of Mechanical Engineers (ASME), 2021)Articulating landing gear that use closed-loop feedback control are proven to expand the landing capabilities of rotorcraft on sloped and rough terrain. These systems are commonly referred to as robotic landing gear (RLG). ... -
Combined State and Parameter Identifiability for a Model of Drug-Resistant Cancer Dynamics
(The American Society of Mechanical Engineers (ASME), 2021)This article analyzes the combined parameter and state identifiability for a model of a cancerous tumor's growth dynamics. The model describes the impact of drug administration on the growth of two populations of cancer ... -
The Design and Control of a Rigid-Flexible Coupling Positioning Stage for Enhanced Settling Performance
(The American Society of Mechanical Engineers (ASME), 2021)Traditional high-speed precision motion stage (HSPMS) design pursues high-stiffness structure to achieve fast response. However, such structure leads to high-frequency disturbance near dead zone of friction, which causes ... -
Serial-Robot Wrist-Singularity Mitigation Along Alternative Optimally Adjusted Paths
(The American Society of Mechanical Engineers (ASME), 2021)Adjusting the displacement path of a serial robot encountering the wrist singularity to pass either through the singularity or around it mitigates its adverse effects. Both such path adjustments are commonly called singularity ... -
Discrete Fault Diagnosis of Structurally Reconfigurable Systems
(The American Society of Mechanical Engineers (ASME), 2021)Fault diagnosis of a certain class of hybrid systems referred to as structurally reconfigurable (SR) systems is complicated. This is because SR systems tend to switch their configuration, which may or may not be faulty. ... -
Should a Vehicle Always Deviate to the Tire Blowout Side?—A New Tire Blowout Model With Toe Angle Effects
(The American Society of Mechanical Engineers (ASME), 2021)As a severe tire failure, tire blowout during driving can significantly threaten vehicle stability and road safety. Tire blowout models were developed in the literature to conclude that a vehicle always deviates to the ... -
Suppression of Residual Vibration in Nonlinear Systems With Temporal Variation and Uncertainty in Parameters by Elimination of the Natural Frequency Component
(The American Society of Mechanical Engineers (ASME), 2021)A systematic approach is developed for determining a control input for the point-to-point control of an overhead crane that exhibits temporal variation of rope length in addition to damping and nonlinearity, without inducing ... -
Optimal Selection of Basis Functions for Robust Tracking Control of Uncertain Linear Systems—With Application to Three-Dimensional Printing
(The American Society of Mechanical Engineers (ASME), 2021)There is growing interest in the use of the filtered basis functions (FBF) approach to track linear systems, especially nonminimum phase (NMP) plants, because of its distinct advantages compared to other tracking control ... -
Multi-Objective Surrogate-Assisted Stochastic Optimization for Engine Calibration
(The American Society of Mechanical Engineers (ASME), 2021)A surrogate-assisted optimization approach is an attractive way to reduce the total computational budget for obtaining optimal solutions. This makes it special for its application to practical optimization problems requiring ... -
Minimum Energy Control of a Unicycle Model Robot
(The American Society of Mechanical Engineers (ASME), 2021)Point-to-point path planning in an obstacle-free environment, for a kinematic model of a differential-drive wheeled mobile robot with the goal of minimizing input energy is the focus of this work. An optimal control problem ... -
Transfer Learning for Detection of Combustion Instability Via Symbolic Time-Series Analysis
(The American Society of Mechanical Engineers (ASME), 2021)Transfer learning (TL) is a machine learning (ML) tool where the knowledge, acquired from a source domain, is “transferred” to perform a task in a target domain that has (to some extent) a similar setting. The underlying ... -
Vibration Control of Flexible Joint Robots Using a Discrete-Time Two-Stage Controller Based on Time-Varying Input Shaping and Delay Compensation
(The American Society of Mechanical Engineers (ASME), 2021)Most industrial serial robots use decentralized joint controllers assuming rigid body dynamics. To prevent exciting the flexible mode, gains are kept low, resulting in poor control bandwidth and disturbance rejection. In ... -
Comparison of Model Predictive Control and Distance Constrained-Adaptive Concurrent Dynamic Programming Algorithms for Extended Range Electric Vehicle Optimal Energy Management
(The American Society of Mechanical Engineers (ASME), 2021)Intelligent energy management of hybrid electric vehicles is feasible with a priori information of route and driving conditions. Model predictive control (MPC) with finite horizon road grade preview has been proposed as a ...