Magnetoelastic Effect in Ni-Zn Ferrite Under Torque Operation.

The magnetoelastic effect is known as the dependence between the magnetic properties of the material and applied mechanical stress. The stress might not be applied directly but rather generated by the applied torque. This creates the possibility of developing a torque-sensing device based on the magnetoelastic effect.

On the Identification of Noise Covariances and Adaptive Kalman Filtering: A New Look at a 50 Year-Old Problem.

The Kalman filter requires knowledge of the noise statistics; however, the noise covariances are generally . Although this problem has a long history, reliable algorithms for their estimation are scant, and necessary and sufficient conditions for identifiability of the covariances are in dispute. We address both of these issues in this paper.

Magnetostrictive Properties of MnZnFeO₄ Ferrite.

This paper presents the results of measurements of magnetostrictive properties of MnZnFeO₄ ferrite for power applications. Frame-shaped samples were used for measurements to guarantee a uniform magnetizing field and magnetostrictive strain distribution. Magnetostrictive hysteresis loops were measured by semiconductor strain gauges.