Absolute Encoders Verses Incremental Encoders

The terminology of rotary or angle encoders can be confusing. This paper aims to clarify the jargon and review the...

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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 – Choosing the right sensor

Position sensors are used in a wide range of automation and measurement applications. A key step in selecting a suitable...

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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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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 and SSI – An Overview

This paper gives an overview of BiSS-C and SSI with a summary of key differences. BiSS and SSI are actually...

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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

A key step in selecting a position sensor is understanding the requirements of sensor size, resolution, repeatability, accuracy, mounting constraints...

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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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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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Position & Speed Sensors for High Vibration Environments

Machines that are subject to harsh or prolonged vibration present challenges for many components - none more so than position...

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Angle Conversion Tables

We have compiled a series of look-up tables to help engineers convert between the most common angular units. This is...

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