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RISOscillatory Tracking Control of a Class of Nonlinear Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Vibration control is an effective alternative to conventional feedback and feedforward control. Motivated by its important application in physical systems and few results on general oscillatory ...
Identifying Secondary Crashes on Freeways by Leveraging the Spatiotemporal Evolution of Shockwaves in the Speed Contour Plot
Publisher: ASCE
Abstract: The congestion caused by primary traffic crashes often exposes subsequent vehicles to the risk of secondary crashes. There has been a proliferation of studies attempting to identify secondary crashes. These studies can be ...
Reinforcement Learning–Based Adaptive Attitude Control Method for a Class of Hypersonic Flight Vehicles Subject to Nonaffine Structure and Unmatched Disturbances
Publisher: ASCE
Abstract: This paper proposes a reinforcement learning–based adaptive attitude control (RLAC) method for a class of hypersonic flight vehicles (HFVs) output constrained nonaffine attitude control problems subject to unmatched ...
Reinforcement Learning–Based Adaptive Fault-Tolerant Antidisturbance Control for UAVs Subjected to External Disturbances, Input Uncertainties, and Structural Uncertainties
Publisher: American Society of Civil Engineers
Abstract: This paper presents a reinforcement learning (RL)–based adaptive fault-tolerant control scheme for quadrotor unmanned aerial vehicles (UAVs) subjected to external disturbances, input uncertainties, and structural uncertainties. ...
Robust Adaptive Fault-Tolerant Control for Hypersonic Flight Vehicles with Multiple Faults
Publisher: American Society of Civil Engineers
Abstract: This paper proposes a robust adaptive strategy for longitudinal dynamics of generic hypersonic flight vehicles with uncertainties and faults. Flight vehicles are generally subjected to disturbances and multiple faults, ...
Characteristics of Electric Energy Conversion in Pneumatic System Based on Piezoelectric Generator
Publisher: ASCE
Abstract: This paper reports the development of a high load-carrying capacity piezoelectric generator (PG) to harvest the great amount of compressed air energy wasted by the moving cylinder in a pneumatic system. The PG is designed ...
Output-Constrained Adaptive Composite Nonsingular Terminal Sliding Mode Attitude Control for a Class of Spacecraft Systems with Mismatched Disturbances and Input Uncertainties
Publisher: ASCE
Abstract: This paper proposes a novel neural-network-based (NN-based) adaptive composite terminal sliding mode (TSM) control scheme for a class of spacecraft systems with mismatched disturbances and input uncertainties. The key point ...
Fuzzy Adaptive Antidisturbance Control Method for a Class of Lateral Thrust–Aerodynamic Force Composite Hypersonic Flight Vehicles
Publisher: American Society of Civil Engineers
Abstract: This paper investigates the problem of lateral thrust–aerodynamic force composite control for a class of hypersonic flight vehicles (HFVs) suffering from time-varying actuator failures and associated multisource uncertainty. ...
Moored Observations of the Currents and Transports of the Maluku Sea
Publisher: American Meteorological Society
Abstract: The mean circulation and volume budgets in the upper 1200 m of the Maluku Sea are studied using multiyear current meter measurements of four moorings in the Maluku Channel and of one synchronous mooring in the Lifamatola ...
Moored Observations of Currents and Water Mass Properties between Talaud and Halmahera Islands at the Entrance of the Indonesian Seas
Publisher: American Meteorological Society