Differences
This shows you the differences between two versions of the page.
Next revision | Previous revision Next revisionBoth sides next revision | ||
beam_robotics [2009-01-08 11:54] – created davegriffiths | beam_robotics [2009-01-09 11:04] – davegriffiths | ||
---|---|---|---|
Line 5: | Line 5: | ||
===Freeforming, | ===Freeforming, | ||
- | Another | + | A key element of BEAM is the use of ' |
These design restrictions result in some beautifully simple and effective machines. | These design restrictions result in some beautifully simple and effective machines. | ||
Line 15: | Line 15: | ||
==Nv Neuron== | ==Nv Neuron== | ||
- | One of the simplest BEAM components is the nv neuron, which consists of a capacitor, resistor and inverter arranged so they form a 1st order high pass filter with it's output inverted. In BEAM robotics, circuits are considered active when the output is low - this circuit will output pulses for a constant time (set by the values of the capacitor and resistor) when the input changes voltage. | + | {{http:// |
+ | |||
+ | One of the simplest BEAM components is the nv neuron, which consists of a capacitor, resistor and inverter arranged so they form a 1st order high pass filter with it's output inverted. In BEAM robotics, circuits are considered active when the output is low - this circuit will output | ||
+ | |||
+ | {{http:// | ||
+ | |||
+ | An Nv neuron in the breadboard with a large capacitor, to make the pulse easier for a human to see. The inverter is provided by the 7404 hex inverter, which contains 6 logical NOT gates that we subvert for non-digital means. | ||
+ | |||
+ | {{http:// | ||
+ | |||
+ | Schematic of the 7404 | ||
+ | |||
+ | ==Nv Neuron Array/ | ||
Nv neurons can be stacked together in arrays, where signals will be propagated slowly along them. | Nv neurons can be stacked together in arrays, where signals will be propagated slowly along them. | ||
+ | |||
+ | {{http:// | ||
+ | |||
+ | With a simple modification, | ||
+ | |||
+ | {{http:// | ||
+ | |||
+ | {{http:// | ||
+ | |||
+ | These bicores are the workhorses of BEAM robot brains, and are used to provide oscillating signals which can be controlled from other Nv neurons, or directly from sensor input. | ||
+ | |||
+ | ==Suspended Bicore== | ||
+ | |||
+ | With some modifications, | ||
+ | |||
+ | {{http:// | ||
+ | |||
+ | {{http:// | ||
+ | |||
+ | By playing with the values of the components, different oscillation patterns can be made. | ||
+ | |||
+ | ===Solar Engines=== | ||
===BEAM types=== | ===BEAM types=== |