Advance piezo-actuator technologies for hard disk drive applications

This project aims to develop a recommendation system to mitigate looping issues in HDD slider testing using the Amber testing machine (Machine A). Components simulating the HDD often fail and require repair before re-testing. However, post-repair, there is a 34% probability that the component (referred to as Product A) will experience looping, characterized by repeated failures with error code A. This recurring issue significantly hampers testing efficiency by reducing the number of successful slider tests. To address this challenge, we propose a dual-approach recommendation system that provides technicians with actionable insights to minimize the occurrence of looping. For previously analyzed components, a collaborative filtering technique utilizing implicit ratings is employed to generate recommendations. For new components, for which prior data are unavailable, a cosine similarity approach is applied to suggest optimal actions. An automatic training system is implemented to retrain the model as new data become available, ensuring that the recommendation system remains robust and effective over time. The proposed system is expected to offer precise guidance to technicians, thereby improving the overall efficiency of the testing process by reducing the frequency of looping issues. This work represents a significant advancement in enhancing operational reliability and productivity in HDD slider testing.

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Advance piezo-actuator technologies for hard disk drive applications

Cited by 3 publications

References 3 publications

Size effect of nanomagnetite on magnetoresistance of core-shell structured polyaniline nanocomposites

Size effect of nanomagnetite on magnetoresistance of core-shell structured polyaniline nanocomposites

A piezoelectric inertial actuator operating with elliptical drive and stick-slip drive modes

Creating the Slider Tester Repair Recommendation System to Enhance the Repair Step by Using Machine Learning

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