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RISUncertainty Modeling Using a Dimension Search and a Genetic Algorithm With Application to Robust Stability Analysis
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: This work uses a new method of determining a parameterization, resampling, and dimension search of an uncertainty model that can be used for efficient engineering models in control design. An algorithm using the Cayley–Menger ...
Dynamic Characteristics of a Pressure-Compensated Inlet-Metered Pump
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pressure-compensated pumps are routinely used for supplying fluid power for hydraulic control systems. These pumps traditionally exhibit significant overshoot and oscillation before reaching a steady-state pressure condition, ...
Modeling and Control Design for an Inlet Metering Valve-Controlled Pump Used to Control Actuator Velocity Via H-Infinity and Two-Degrees-of-Freedom Methods
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Using a unique inlet metering pump with fixed displacement and speed, this work introduces a new way to control a linear hydraulic actuator velocity. The inlet metering system consists of an inlet metering valve that adjusts ...
Using Feedback Linearization to Improve the Tracking Performance of a Linear Hydraulic-Actuator
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a simple feedback linearization method is used to improve the tracking performance of a linear hydraulic-actuator. This research uses an open-centered four-way valve to control the displacement of the hydraulic ...
Efficiency of a Fixed Displacement Pump With Flow Control Using an Inlet Metering Valve
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Axial piston pumps with variable volumetric displacement are often used to control flow and pressure in hydraulic systems. The displacement control mechanism in these pumps occupies significant space and accounts for ...