Journal of Dynamic Systems, Measurement, and Control: Recent submissions
Now showing items 461-480 of 5605
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Effect of Mechanical Properties on the Dynamics of Self-Oscillating Synthetic Vocal Folds
(The American Society of Mechanical Engineers (ASME), 2020)This study focuses on the measured changes in dynamic behavior exhibited by eight synthetic vocal fold models with varying mechanical properties. Uniaxial tensile testing was conducted to determine changes in mechanical ... -
Robust Observer-Based Finite Time Sliding Mode Control for One-Sided Lipschitz Systems With Uncertainties
(The American Society of Mechanical Engineers (ASME), 2020)This paper investigates the problem of observer-based finite time sliding mode control (SMC) for a class of one-sided Lipschitz (OSL) systems with uncertainties. The parameter uncertainties are assumed to be time-varying ... -
Investigation of Linear Higher Harmonic Control Algorithm for Rotorcraft Vibration Reduction
(The American Society of Mechanical Engineers (ASME), 2020)A linear quadratic Gaussian (LQG) controller for active vibratory loads reduction in helicopters is proposed based on a revisited higher harmonic control (HHC) input by active trailing-edge flaps (ATEFs). Conventional ... -
Modeling, Analysis, and Identification of Parallel and Angular Misalignments in a Coupled Rotor-Bearing-Active Magnetic Bearing System
(The American Society of Mechanical Engineers (ASME), 2020)The standard techniques used to detect misalignment in rotor systems are loopy orbits, multiple harmonics with predominant 2X component, and high axial vibration. This paper develops a new approach for the identification ... -
Incremental Model Predictive Control of Active Suspensions With Estimated Road Preview Information From a Lead Vehicle
(The American Society of Mechanical Engineers (ASME), 2020)In preview-based vehicle suspension applications, the preview of the road profile is highly dependent on the preview sensors. In some scenarios such as heavy traffic situations, the preview of road profile can only be ... -
Simultaneous Fault Detection and Multivariable Adaptive Hybrid Control for Unbalanced Vibrations of Cracked Flexible Rotor Systems
(The American Society of Mechanical Engineers (ASME), 2020)For the reduction of unbalanced vibrations in a multi-input and multi-output flexible rotor system with electromagnetic actuators (EAs), conventional adaptive feedforward controllers (AFFCs) are very sensitive for changes ... -
Design of Discretely Tunable Resonant Actuators Using Additive Inertial Units
(The American Society of Mechanical Engineers (ASME), 2020)Resonance is known to reduce the input energy requirements of various actuator systems. The favorable effects of resonance, however, are limited to a narrow frequency range. To overcome this limitation, we describe a general ... -
EWSE and Uncertainty and Disturbance Estimator Based Pitch Angle Control for Wind Turbine Systems Operating in Above-Rated Wind Speed Region
(The American Society of Mechanical Engineers (ASME), 2020)As wind energy becomes a larger part of the world's energy portfolio, the control of wind turbines is still confronted with challenges including wind speed randomness and high system uncertainties. In this study, a novel ... -
Stabilization of Filament Production Rate for Screw Extrusion-Based Polymer Three-Dimensional-Printing
(The American Society of Mechanical Engineers (ASME), 2020)Polymer three-dimensional (3D)-printing has been commercialized rapidly during recent years; however, there remains a matter of improving the manufacturing speed. Screw extrusion has a strong potential to fasten the process ... -
A Passive Fault-Tolerant Switched Control Approach for Linear Multivariable Systems: Application to a Quadcopter Unmanned Aerial Vehicle Model
(The American Society of Mechanical Engineers (ASME), 2020)This paper proposes synthesis algorithms for the design of passive state- and output-feedback fault-tolerant controllers. Sufficient conditions for the existence and the construction of such fault-tolerant controllers are ... -
Geometric L1 Adaptive Attitude Control for a Quadrotor Unmanned Aerial Vehicle
(The American Society of Mechanical Engineers (ASME), 2020)In this paper, we study the quadrotor unmanned aerial vehicle (UAV) attitude control on special orthogonal group (SO(3)) in the presence of unknown disturbances and model uncertainties. L1 adaptive control for UAVs using ... -
Simultaneous Kinematic and Contact Force Modeling of a Human Finger Tendon System Using Bond Graphs and Robotic Validation
(The American Society of Mechanical Engineers (ASME), 2020)This paper aims to use bond graph modeling to create the most comprehensive finger tendon model and simulation to date. Current models are limited to either free motion without external contact or fixed finger force ... -
Theoretical Dynamic Modeling and Validation of Braided Pneumatic Artificial Muscles
(The American Society of Mechanical Engineers (ASME), 2020)The high force-to-weight ratios of braided fluidic artificial muscles (AMs) are ideal for human scale and mobile robot applications. Prior modeling efforts focus on the theoretical static characteristics or empirical dynamic ... -
Servo System Identification Based on Curve Fitting to Phase-Plane Trajectory
(The American Society of Mechanical Engineers (ASME), 2020)Many methods have been proposed to identify servo system parameters. However, problems still remain in widely applied offline identification methods, for example, the describing-function-based relay feedback method has the ... -
Output Error Methods for Robot Identification
(The American Society of Mechanical Engineers (ASME), 2020)Industrial robot identification is usually based on the inverse dynamic identification model (IDIM) that comes from Newton's laws and has the advantage of being linear with respect to the parameters. Building the IDIM from ... -
On the Convergence of the Matrix Lambert W Approach to Solution of Systems of Delay Differential Equations
(The American Society of Mechanical Engineers (ASME), 2020)Convergence of the matrix Lambert W function method for solving systems of delay differential equations (DDEs) is considered. Recent research shows that convergence problems occur with certain DDEs when using the ... -
Obstacle Detection for Autonomous Driving Vehicles With Multi-LiDAR Sensor Fusion
(The American Society of Mechanical Engineers (ASME), 2020)In contrast to the single-light detection and ranging (LiDAR) system, multi-LiDAR sensors may improve the environmental perception for autonomous vehicles. However, an elaborated guideline of multi-LiDAR data processing ... -
Fixed-Time Fault-Tolerant Attitude Tracking Control for Rigid Spacecraft
(The American Society of Mechanical Engineers (ASME), 2020)This paper addresses the fixed-time attitude tracking problem of rigid spacecraft with inertial uncertainties, external disturbances, and partial loss of actuator effectiveness faults. A new fixed-time terminal sliding ... -
Nonlinear Kalman Filtering With Expensive Forward Models Via Measure Change
(The American Society of Mechanical Engineers (ASME), 2020)Filtering is a subset of a more general probabilistic estimation scheme for estimating the unobserved parameters from the observed measurements. For nonlinear, high speed applications, the extended Kalman filter (EKF) and ... -
Design and Analysis of a Swashplate Control System for an Asymmetric Axial Piston Pump
(The American Society of Mechanical Engineers (ASME), 2020)Based on the previously developed fixed-displacement asymmetric axial piston pump, a variable displacement asymmetric axial piston pump (VDAAPP) with three independent suction/delivery ports is proposed. A basic linear ...