Positive Position Feedback Control of a Galloping Structure

Position Control Using Pitch Feedback

A position control system utilizing pitch feedback is being developed. The system will be demonstrated on a robot playing a musical instrument called the theremin. Unlike previous research involving computationally intensive pitch sensors, we would like to explore the possibility of a control system using a pitch sensor with a low computation overhead. The robot is being improved upon to make i...

Making a commercial atomic force microscope more accurate and faster using positive position feedback control.

This paper presents experimental implementation of a positive position feedback (PPF) control scheme for vibration and cross-coupling compensation of a piezoelectric tube scanner in a commercial atomic force microscope (AFM). The AFM is a device capable of generating images with extremely high resolutions down to the atomic level. It is also being used in applications that involve manipulation ...

Experimental Robustness Study of Positive Position Feedback Control for Active Vibration Suppression

Again, these quantities will be more sensitive if the moments of inertia are close than if they are widely spaced. For a vehicle with nominal inertias satisfying I1 D 2I3 and I2 D 1:5I3, and the 1% normalized inertia perturbations considered earlier, arctan ° can vary from 31.8 to 38.7 deg, a total range of 6.9 deg. Using Eqs. (13) and (14) together allows the possible variations in absolute se...

Positive force feedback control of muscles.

This study was prompted by recent evidence for the existence of positive force feedback in feline locomotor control. Our aim was to establish some basic properties of positive force feedback in relation to load compensation, stability, intrinsic muscle properties, and interaction with displacement feedback. In human subjects, muscles acting about the wrist and ankle were activated by feedback-c...

Positive Feedback Control of Rayleigh - B Enardconvectionb