Technical Papers
Incremental Encoders Versus Absolute Encoders
Engineers can find the terminology of rotary or angle encoders confusing. This article aims to clarify the jargon and review...
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How Inductive Sensors Work
Inductive sensors are often used to measure position or speed, especially in harsh environments. The terminology and techniques used in...
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Position Sensors – A Dummy’s Guide
Gain a basic understanding of position sensors and position sensing. This paper is for engineers, technicians and students – especially...
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Shaft Encoders & Bearingless Encoders
This short paper discusses shaft encoders and bearingless encoders; their relative merits and where design engineers might deploy each type.
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Torque measurement with angle sensors
This article reviews a technique for measuring torque with angle sensors which was first used in the 1950s. Although it...
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Direct Drive Motors & Direct Sensors
Direct drive motors have been around for many years but it seems that it is only very recently that equipment...
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Resolvers, Optical Encoders and Inductive Encoders
Resolvers are good. Encoders are good. But which is the best? There's only one way to find out...this article examines...
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Accuracy, Resolution, Repeatability
This article explains some of the terminology relating to measurement performance and why it’s important to understand the differences between...
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Optical Encoders Versus Inductive Encoders
With so many position technologies to choose from it is unsurprising that design engineers have difficulty in selecting the right...
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Incremental versus Absolute Sensors
Most engineers still specify incremental position sensors because they think absolute versions are too costly. But the market has changed...
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Choosing the right Position Sensor
With such a bewildering array of position sensors to choose from these days, how do design engineers ensure they select...
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Ultra-Slow Motion Control
When design engineers use the term ‘motion control’, one’s first reaction is to perhaps think of high speed systems with...
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Frameless Resolvers versus Ring Encoders
This article discusses frameless resolvers and ring encoders; compares their merits and suggests an alternate approach. It’s particularly relevant for...
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BiSS – a CAD Jockey’s Guide
If you’re trying to understand what BiSS is, but are being confused by a load of technical jargon, this short...
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The CAD Jockey’s Guide to Ring Encoders
The Chief Engineer says “we’ll need a ring encoder for this project” and you respond with “absolutely boss – great...
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‘Shapeability’ for Custom Position Sensor Requirements
What happens when you are making a piece of kit, or even worse have designed, built and launched the machine,...
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A Comparison of Inductive and Capacitive Position Sensors
Some inductive and capacitive position sensors can look quite similar and so it is no surprise that design engineers can...
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Inductively Resonant Position Sensing
Inductively resonant position sensors use the same basic physics as traditional inductive position sensors and so they offer similar advantages...
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SSI – A Masterclass For Engineers Choosing a Position Sensor
This paper describes the Synchronous Serial Interface (SSI) used by many position sensors and controllers. It is aimed at electrical...
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Position Sensors for Safety Applications
This paper describes a general design approach for position sensors in safety related applications, covering self diagnostics, built-in-test and duplex...
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