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Minimizing Under-Constraint in Folded Beams to Achieve Optimal Bearing Performance in Diaphragm Flexures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Diaphragm flexures are widely used in various precision applications to generate guided motion along the out-of-plane directions and provide load bearing along the in-plane directions. The traditional Asymmetric ...
A New Class of Single-Degree-of-Freedom Compliant Mechanisms With Optimal Bearing Characteristics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This paper introduces a new class of single-degree-of-freedom (DoF) compliant mechanisms that exhibit optimal bearing characteristics, defined by low stiffness in the out-of-plane motion direction, high stiffness ...
Nonminimum Phase Zeros of Multi-Degrees-of-Freedom Damped Flexible Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This article investigates the nonminimum phase (NMP) zeros in the transfer function, between actuated load input and measured displacement output, of a multi-degrees-of-freedom (DoF) flexible system in the presence of ...
A Multi-Layer Parallelogram Flexure Architecture for Higher Out-of-Plane Load Bearing Stiffness
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Parallelogram flexure mechanism (PFM) is a common flexure module that is widely used as a building block in the design and manufacturing of flexure-based XY motion stages that provide in-plane degrees-of-freedom (DoFs). ...
Non-Minimum Phase Zeros in Multi-Degrees-of-Freedom Undamped Flexible Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This article investigates nonminimum phase zeros in the transfer function, between actuated load input and measured position output, of multi-degrees-of-freedom (DoF) undamped flexible systems. The transfer ...
Improving the Step Response of Flexible Systems in the Presence of Real Nonminimum Phase Zeros
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: It is well known that real nonminimum phase (RNMP) zeros impose a tradeoff between the settling time and undershoot in the step response of flexible systems. Existing methods to alleviate this tradeoff predominantly rely ...
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