no code implementations • 17 Nov 2023 • Nikhil Potu Surya Prakash, Joohwan Seo, Jongeun Choi, Roberto Horowitz
In Robust Control and Data Driven Robust Control design methodologies, multiple plant transfer functions or a family of transfer functions are considered and a common controller is designed such that all the plants that fall into this family are stabilized.
no code implementations • 3 Apr 2023 • Nikhil Potu Surya Prakash, Joohwan Seo, Alexander Rose, Roberto Horowitz
In this paper, we present a frequency domain data-driven feedback control design methodology for the design of tracking controllers for hard disk drives with two-stage actuator as a part of the open invited track 'Benchmark Problem on Control System Design of Hard Disk Drive with a Dual-Stage Actuator' in the IFAC World Congress 2023 (Yokohoma, Japan).
no code implementations • 3 Jan 2022 • Nikhil Potu Surya Prakash, Tamara Perreault, Trevor Voth, Zejun Zhong
In this paper, a control algorithm for guiding a two wheeled mobile robot with unknown inertia to a desired point and orientation using an Adaptive Model Predictive Control (AMPC) framework is presented.
no code implementations • 12 Oct 2021 • Nikhil Potu Surya Prakash, Zhi Chen, Roberto Horowitz
Strictly Positive Real (SPR) transfer functions arise in many areas of engineering like passivity theory in circuit analysis and adaptive control to name a few.
no code implementations • 12 Oct 2021 • Zhi Chen, Nikhil Potu Surya Prakash, Roberto Horowitz
In December 2017, Seagate unveiled the Multi Actuator Technology to double the data performance of the future generation hard disk drives (HDD).
no code implementations • 25 Sep 2021 • Nikhil Potu Surya Prakash, Zhi Chen, Roberto Horowitz
Multi Actuator Technology in Hard Disk drives (HDDs) equips drives with two dual stage actuators (DSA) each comprising of a voice coil motor (VCM) actuator and a piezoelectric micro actuator (MA) operating on the same pivot point.