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Related Experiment Video

Updated: Jun 8, 2026

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface

Published on: May 8, 2021

A control theory approach to clock steering techniques.

Marcello Farina¹, Lorenzo Galleani, Patrizia Tavella

¹Politecnico di Milano, Milan, Italy.

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

|October 5, 2010

Summary

This study introduces a unified control theory framework for diverse clock steering methods. It enhances understanding of time scale algorithms and clock synchronization techniques.

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Area of Science:

Metrology
Control Theory
Timekeeping

Background:

Various time laboratories have developed distinct clock and time scale steering methods.
Existing methods often stem from different theoretical viewpoints, lacking a unified approach.

Purpose of the Study:

To propose a common theoretical framework for clock steering methods using control theory.
To compare classical steering, GPS bang-bang, and linear quadratic Gaussian (LQG) techniques.

Main Methods:

Development of a unified theoretical framework based on control theory principles.
Comparative analysis of classical steering, GPS bang-bang, and LQG steering methodologies.

Main Results:

A common theoretical framework integrating diverse clock steering approaches has been established.
The study provides a comparative analysis of prominent steering methodologies.

Conclusions:

Control theory offers a robust foundation for understanding and developing clock steering algorithms.
This unified framework can potentially improve clock synchronization and time scale management.