Robert P. Ryan

What is he best known for?

The fields of study he is best known for:

• Electrical engineering
• Mechanical engineering
• Voltage

His primary scientific interests are in Control theory, Actuator, Electromagnetic coil, Signal and Rotor. His Actuator study incorporates themes from Voice coil, Detector and Head. Electromagnetic coil is closely attributed to Voltage in his research.

His Voltage study improves the overall literature in Electrical engineering. The concepts of his Signal study are interwoven with issues in Disk controller, Power loss and Line. The Rotor study combines topics in areas such as Angular displacement, Torque and Spinning.

His most cited work include:

• Disk drive employing seek time vcm ir voltage calibration for velocity control of an actuator arm (137 citations)
• Self-heating disk drive (136 citations)
• Disk drive employing method of spinning down its spindle motor to reduce the time required for spinning it down and subsequently spinning it up (133 citations)

What are the main themes of his work throughout his whole career to date?

His scientific interests lie mostly in Control theory, Voltage, Electrical engineering, Electromagnetic coil and Head. His work deals with themes such as Signal, Spin-up and Rotor, which intersect with Control theory. His Voltage research includes themes of Voice coil, Compensation, Limit and Current.

The concepts of his Electrical engineering study are interwoven with issues in Hammer and Controller. The various areas that Robert P. Ryan examines in his Electromagnetic coil study include Stator, Transistor, Magnet and Angular displacement. Within one scientific family, he focuses on topics pertaining to Brake under Head, and may sometimes address concerns connected to Pulse and Pulse period.

He most often published in these fields:

• Control theory (40.91%)
• Voltage (34.85%)
• Electrical engineering (31.82%)

What were the highlights of his more recent work (between 2014-2021)?

• Computer data storage (9.09%)
• Controller (15.15%)
• Nozzle (4.55%)

In recent papers he was focusing on the following fields of study:

Robert P. Ryan spends much of his time researching Computer data storage, Controller, Nozzle, Plastics extrusion and Signal. The study incorporates disciplines such as Transmission, Printed circuit board and Electrical engineering in addition to Computer data storage. His study involves Voltage, Voltage source, Supply current and Current, a branch of Electrical engineering.

Robert P. Ryan interconnects Optical Module, Chassis, Electrical switching and Optical path in the investigation of issues within Controller. His Signal research incorporates elements of Process, Backplane, Actuator and Enclosure. His work carried out in the field of Engineering drawing brings together such families of science as Acoustics and Head.

Between 2014 and 2021, his most popular works were:

• Extruder for three-dimensional additive printer (16 citations)
• Data storage assembly for archive cold storage (15 citations)
• Rotation and nozzle opening control of extruders in printing systems (5 citations)

In his most recent research, the most cited papers focused on:

• Electrical engineering
• Mechanical engineering
• Voltage

The scientist’s investigation covers issues in Mechanical engineering, Nozzle, Plastics extrusion, Engineering drawing and Edge. Much of his study explores Engineering drawing relationship to Body orifice. Robert P. Ryan integrates many fields, such as Edge and engineering, in his works.