Beam robotics invented by Mark W. Tilden is about analog circuits for controlling robots. The idea is to avoid microcontrollers and software and use instead resistors, breadboards and capacitor for controlling a line following robot. The problem with BEAM robots is, that they don't provide complex features and it's not possible to build walking robots out of analog circuits, because dynamic walking is non-linear problem which has to be treated with digital computers and algorithms.

On the other hand, there is a topic in the Artificial Intelligence domain available called Fuzzy logic which is based on continuous signals. A value like “left” can become -2, -1, 0 and also numbers with fractions. This makes it a natural choice for simulating fuzzy logic with analog circuits. Some papers are available which are explaining how to do this in detail for example “Alfredo Sanz: Analog Implementation of Fuzzy Controller, 1994“ which demonstrated a working fuzzy logic controller in the SPICE software.

Is it possible to combine BEAM robotics and fuzzy control to build analog intelligent robots?

  • $\begingroup$ depends on what "intelligent robots" means $\endgroup$
    – jsotola
    Jan 20, 2019 at 19:22
  • $\begingroup$ Intelligence means, that the device is controlled by natural language. We put in a word, for example “walk ahead” and the robot is doing what the user wants. And if the machine is capable to interpret the language a bit for example, avoids automatically an obstacle, than it is a very intelligent robot. $\endgroup$ Jan 20, 2019 at 21:32
  • $\begingroup$ Can you build an analog robot that is capable of parsing natural language? Is that what you're asking? $\endgroup$
    – Chuck
    Jan 21, 2019 at 21:19


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