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Robust Tracking Control for Electrohydraulic System Using an Internal Model-Based Sliding Surface
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An electrohydraulic system, which is widely applied in practice, is a highly nonlinear system with uncertainty. In order to improve the control performance, the nonlinearity and uncertainty should be taken into consideration. ...
Optimal Energy Consumption and Response Capability Assessment for Hydraulic Servo Systems Containing Counterbalance Valves
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Counterbalance valves (CBVs) are broadly applied in hydraulic manipulators, which is essential to ensure safe operation while moving a heavy load. They inevitably introduce additional energy consumption and poor dynamic ...
Finite Element Analysis on Thermoelastic Instability of Multidisc Clutches Involving Deformation Modes of Multilayer Material Friction Disc
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A two-dimensional finite element model was developed to investigate thermoelastic instability in multilayered friction discs with finite thickness, considering the deformation modes of the steel core. The model was used ...
Parametric Characterization and Distribution Consistency Evaluation of Machining-Induced Residual Stresses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Uneven distribution of machining-induced residual stresses (MIRS) caused by dynamic cutting conditions and material internal properties has a significant impact on fatigue resistance, stress corrosion resistance, and ...
Camera-Based Vibration Measurement of the World War I Memorial Bridge in Portsmouth, New Hampshire
Publisher: American Society of Civil Engineers
Abstract: Structural health monitoring (SHM) is a method for determining the structural integrity of civil infrastructure elements as a basis for maintenance and repair protocols. This monitoring depends on collecting structural ...
Shape Memory Alloy Bimorph Microactuators by Lift-Off Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study aims to develop a new fabrication process to create high-precision patterned shape memory alloy (SMA) bimorph micro-actuators by the e-beam evaporation technique. To examine the effect of the annealing process ...