Yearly Archives: 2017

A good robotic blog

One of my mates is developing several projects related to robotics which are worth mentioning.  In his blog,  one of his last projects is the construction of an humanoid robot based on steppers.

Posted in Robotics


There is a trend in robotics towards the use of backdrivable actuators due to multiple reasons. One of them, is the need of sharing the environment with humans. Such a robot needs flexibility to adapt the differences between real environmental

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Posted in Robotics

Notes on encoder resolution for velocity control of motors

The simplest velocity estimation method is the Euler approximation that takes the difference of two sampling positions divided by the sampling period. Typically the position measurements are taken with encoders or resolvers which contain stochastic errors which result in enormous

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Posted in Actuators, Robotic devices, Robotics

Motor Selection for Robots (I)

Analise the correct parameters that must be taken into account when selecting a motor is crucial for the success of the application.

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Posted in Actuators, Robotics
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