Rotordynamics and Control Engineer – Active Magnetic Bearings

Rotordynamics and Control Engineer Active Magnetic Bearings

Sapphire is looking for a rotordynamics and controls engineer to join the Magnetic Bearing Technology group with primary responsibilities to include rotor dynamics analysis / testing, controller tuning, data acquisition system setup and troubleshooting, prototype machine testing, software development / testing, and field support.

Special consideration will be given to those with a background in rotordynamics, vibrations, controls, electromagnetics, and / or mechatronics.

The ideal candidate will possess leadership / teamwork skills, a positive attitude, and a willingness to listen to and learn from others.

Do you have the right skills and experience for this role Read on to find out, and make your application.

Essential Duties and Responsibilities

To perform this job successfully, an individual must be able to perform the following satisfactorily; other duties may be assigned.

Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• Perform rotordynamic modelling in tools such as XLROTOR and Matlab suite of rotordynamics and controls analysis tools.
• Use Matlab to analyze stability and performance of magnetic bearing control system loops, and to design compensators that ensure robust performance.
• Conduct final tuning on the control algorithms based on transfer function measurement, sensor signal time history and power spectrum in the shop and in the field.
• Participate in design of new magnetic bearing systems for new applications / machines.
• Develop / Modify Labview-based magnetic bearing graphic user interface (GUI).
• Develop and conduct training sessions with field service engineers, test engineers, and technicians.
• Interface with internal and external customers, as required, for field service / applications / product support.

QualificationsEducation / Experience

The requirements listed below are representative of the knowledge, skill and ability required.

• Masters or PhD in ME or EE required.
• Minimum of 3 years related experience in dynamics and / or controls required.
• Knowledge of dynamics or controls analysis, especially for rotating machinery (rotordynamics) required.
• Understanding of control algorithm design (frequency domain analysis) for closed-loop control systems a plus.
• Knowledge of data acquisition systems and instrumentation a plus.
• Familiarity with magnetic bearing controller hardware components (DSP controller, PWM amplifiers, and power supplies) a plus.
• Understanding of magnetic bearing principles and applications a plus.
• Experience with machine-level magnetic bearing system testing and troubleshooting a plus.
• Knowledge of turbomachinery used in aerospace and / or defense industries a plus.

Intangibles Sought

• Ability to multi-task.
• Willingness to listen to and learn from others.

Supervisory Responsibilities

None. Position will interface with field service engineers, test engineers, and technicians during production training / troubleshooting activities.

Strong teamwork / leadership skills required.

Physical Demands / Work Environment

Work split between office, on-site test lab, and field support activities. Must be willing to travel to support field support activities up to 10% of the time.

Ability to lift up to 50 lbs preferred.

J-18808-Ljbffr