Rotary encoders are a vital link in the majority of motion-control feedback loops. While some designs can avoid using encoders, the increasing complexity of applications means that for an overwhelming majority of designs, they are a necessity. It is becoming an increasingly essential design consideration in industrial applications, robotics, aerospace, energy and automation. As more and more designs require advance motor control, the need for reliable, accurate and durable encoders is more critical than ever.
The challenge, however, faced by design engineers is the choice between optical and magnetic technologies. On the one hand, optical applications offer maximum accuracy, but with reduced reliability. Conversely, magnetic applications provide greater reliability and durability, but with reduced accuracy. This choice leads to the design engineer having to make a trade-off between the two, equally important design considerations.
As encoders are becoming more commonplace, a need has emerged for innovation to overcome the challenges faced by design engineers when designing increasing complex application requiring motor control. These difficulties can be overcome with the use of innovative new technology. CUI’s Jeff Smoot has written this brilliant piece on the trade-off between reliability and accuracy, introducing CUI’s series of AMT encoders and entering into a thoughtful discussion about the design considerations. Over the next few weeks, we will be discussing this important area of design engineering, its implications and the availability of new technologies to combat this design issue.
Want to know more about CUI’s AMT series of encoders?
Video – Digi-Key present Another Geek Moment featuring CUI’s AMT Encoders
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