NetzerUSA.com – Your Resource for Innovative Rotary Encoders

Everight Position, a leading resource for rotary encoders is excited to announce the launching of NetzerUSA.com , an online resource dedicated to empowering control engineers in the United States.

‘Dirty Deeds Done Dirt Cheap’ – The Gill Blade Sensor

Not all sensors live easy lives. While some will go on to do noble things such as aiding in medical surgery robotics or will find lives in cutting-edge cobots such as Boston Dynamic’s spot, others will live simpler, yet equally important lives, this article is dedicated to one of those unsung heroes, the Gill Blade Sensor.

Inductosyn: End of an Era, New Opportunities or Both?

Recently, obtaining the Inductosyn and components for maintenance has become more difficult. For decades the Inductosyn from Farrand Controls / Ruhle Companies sat near the top of the rotary sensor hierarchy. Providing sub 2 arcsec (0.5 mdeg) accuracies, it combined the robustness of a resolver with the performance of the best optical encoders. Despite its shortcomings, it found plenty of customers, from airborne infrared and radar systems, to telescopes, satellite communication antennae (SATCOM), machine tooling and low-pressure vacuum chambers.

Accuracy, Resolution and Repeatability

There are several key terms that are critical to specifying the optimal position sensor for a given application. This application note defines these key terms and how they relate to the sensor’s role in the overall system performance. It is important to consider that precision is very much a system issue and can be dominated by mechanical errors such as eccentricity. This paper discusses the most significant mechanical error for rotary applications (eccentricity) and presents eccentricity tolerant position sensor solutions.