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RISPhysical Interpretation of Transfer Function Zeros for Simple Control Systems With Mechanical Flexibilities
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Physical interpretation of the transfer function zeros of simple control systems with mechanical flexibilities is presented. It is shown that for discrete spring-mass systems and elastic beams, ...
Point-to-Point Positioning of Flexible Structures Using a Time Domain LQ Smoothness Constraint
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An analytical procedure to implement optimal smoothing of the finite-time control waveform for point-to-point control problem is presented, which minimizes an optimality constraint consisting of a ...
Tracking Dynamics of In-line Suspensions in High-Performance Rigid Disk Drives with Rotary Actuators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The laser Doppler interferometric modal measurement technique is combined with finite element analysis to study the dynamics of in-line suspensions under actual operating conditions in commercially ...
Experimental and Numerical Analysis of Read/Write Head Suspension Dynamics for High-Performance Floppy Drive Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Read/write head suspensions are critical components of high-performance floppy disk drives. Their dynamics affect head/media compliance, wear, and tracking performance. Vibration measurements are ...
Precise Point-to-Point Positioning Control of Flexible Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Control strategies to accomplish precise point-to-point positioning of flexible structures are discussed. First, the problem is formulated and solved in closed form using a linear quadratic optimal ...
Solutions to Point-to-Point Control Problems Using Laplace Transform Technique
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Using finite-time Laplace transform, the governing differential equations of linear, time invariant point-to-point control problems are converted into an equivalent set of linear algebraic equations ...
Experiments on Point-to-Point Control of a Flexible Beam Using Laplace Transform Technique: Part II—Closed-Loop
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Using the Laplace domain synthesis technique documented in earlier publications, experiments on the closed-loop point-to-point position control of a flexible beam are presented. Two different ...
Dynamics of Gas-Lubricated Slider Bearings in Magnetic Recording Disk Files—Part I: Experimental Observation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This two part paper presents the experimental observation and numerical simulation of the dynamic response of self-acting gas-lubricated slider bearings used to maintain the sub-micron spacings ...
Dynamics of Gas-Lubricated Slider Bearings in Magnetic Recording Disk Files—Part II: Numerical Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This two part paper presents the experimental observation and numerical simulation of the dynamic response of self-acting gas-lubricated slider bearings used to maintain the sub-micron spacings ...
Tracking Dynamics of Read/Write Head Suspensions in High-Performance Small Form Factor Rigid Disk Drives
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recording density of rigid disk drives is related to both linear and track density. High linear density requires submicron recording spacing which is made possible by using a gas-lubricated ...