John J Ryan

Title: Innovations of John J Ryan

Introduction

John J Ryan is a notable inventor based in Tehachapi, CA (US). He has made significant contributions to the field of control systems, particularly in the context of formation flight and peak-seeking control. With a total of 2 patents, his work showcases innovative approaches to optimizing performance in various applications.

Latest Patents

One of his latest patents is titled "Formation flight system extremum-seeking-control using blended performance parameters." This patent describes an extremum-seeking control system for formation flight that utilizes blended performance parameters in a conglomerate performance function. This approach better approximates drag reduction compared to performance functions formed from individual measurements. The system takes a variety of measurements, which are weighted and subjected to a peak-seeking control algorithm. As measurements are continuously taken, the aircraft is guided to a relative position that optimizes drag reduction within the formation. Two embodiments are discussed, along with two approaches for determining relative weightings: 'a priori' qualitative determination and periodic updates as the formation evolves.

Another significant patent is "Systems and methods for peak-seeking control." This computerized system and method employs a unique Kalman filter design to optimize a control loop in real time. It aims to either maximize or minimize a performance function of a physical object, referred to as the 'plant.' The system achieves more accurate and efficient peak-seeking control by using a time-varying Kalman filter to estimate both the performance function gradient and Hessian based on direct position measurements. This method does not rely on modeling the plant response to persistent excitation and can be applied in various applications with multiple independent parameters.

Career Highlights

Throughout his career, John J Ryan has worked with esteemed organizations, including NASA and the University of California. His contributions to these institutions have furthered advancements in control systems and optimization techniques.

Collaborations

John has collaborated with notable individuals in his field, including Jason Lee Speyer. Their joint efforts have likely contributed to the innovative solutions and patents that Ryan has developed.

Conclusion

John J Ryan's work exemplifies the spirit of innovation in control systems, particularly in formation flight and peak-seeking control. His patents reflect a deep understanding of performance optimization, making significant strides in the field.