For automating machines that require only two to three axes of electric actuators, pulse outputs may be the simplest way to go. Using pulse outputs from a PLC is a cost-effective way to get simple ...

If the source of supply is d.c. (for example in a battery vehicle or a rapid transit system) a chopper-type converter is usually employed. The basic operation of a single-switch chopper was discussed ...

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Engineers can use planetary gears to increase or decrease both speed and torque, and to do so in a small, compact space. Planetary gears can supply high levels of torque and high-speed reduction. They ...