Blueprint For A Car Trailer

The Fifth Generation Computer

The fifth generation of computers was an ambitious project launched by Japan in the late 70's. Its aim was to develop a class of computers would use artificial intelligence techniques -level machine language and be able to solve complex problems, such as automatic translation of natural language to another (from Japanese to English, for example).

The project lasted ten years, but did not obtain the expected results and followed today's computers, as there are many cases where it is either impossible to carry out a parallelization of it, or once held it but did not notice any improvement, or the worst case, a loss of performance. There must be clear that for a parallel program must, first, identify in the same parts that could be implemented separately on different processors. It is also important to note that a program is executed sequentially, should receive numerous amendments to it can be executed in parallel, ie first it would be interesting to study whether this work we take is offset by the improved performance of the task after parallelizable.

Expert Systems An expert system is an artificial intelligence application that uses a knowledge base of human experience to help solve problems (facts about objects and situations and information on tracking a action to solve a problem.)

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The orc in all its glory

Hello

travelers brave the internets, to conclude the matter we bring you a video of good orcobot in its final phase. We invite you to visit the other new videos on our YouTube channel .

The fate of the Orc is somewhat uncertain, however does not mean that his story ends here. There is a long way to go in search of honor and glory ... and although the path is difficult, so the legends are forged.

The work continues and there are many plans on the horizon for this brave robot.

Ratteling In Chestin A 9 Month Okd

The Diode Renormalization

Good vibe brothers metalheads, overlapping of influenza tests finally we bring the advances and setbacks we've had these past few weeks in building good Orcobot.

The ordeal began last week ... the Orcobot stopped working. We lost valuable days in the long and cruel process of elimination. We tested the communication between the microcontroller and the computer, we check the outputs of uC, separate the solenoid circuit, we tested individually control the robot from the HyperTerminal, in short, all the components work individually, however when the robot arm again nothing.

What was it that happened?

Javier Rubio was the teacher who showed us our mistake. Protection diodes in parallel with the coil.

"A coils are put on a reverse biased diode in parallel to protect the switching element (in this case the transistors) of the over-voltage causes the coil when it is switched. By switching a circuit with an inductance, the current "turns" in the coil, returning that power to the circuit, thanks to the diode, this current was biased and is discharged through it, without affecting the rest of the circuit. "

And because it worked without diodes?

With use, the layers that make up the emitter and collector formed a channel of the same type of material, in this state the transistor behaves with a FET (field effect transistor) which is controlled by a voltage differential and not to an amount of power as does the transistor, so the circuit stops working.

In short, the semiconductor layers are excited with the transistor current to the coil, which rendered the P-type material and N-type material hostiles.y do their bit by bit, we were throwing the transistors.

Putting protection diodes there is no return current that affects the transistor, therefore no hostilfest on the switch and transistors work properly ... Yeah!

modified circuit of protection diode or n

cowboys Do not forget, protection diodes whenever something switched coils.

More information about transistors here.