Sentence examples for by a variable frequency from inspiring English sources

The motor is controlled by a variable frequency drive (VFD).

More specifically, (1) the interval time of curing spray, calculated based on the cement hydration and real-time monitored data, is automatically identified by a programmable logic controller; and (2) the fog spray curing is operated under a constant water pressure by a variable frequency technology.

The excitation light beam was modulated by a variable frequency chopper (SR540), and then, it was focused by a lens of 21-cm focal length onto a liquid sample contained in a 5-mm length quartz cuvette positioned at its focal plane.

The EMVA is capable of suppressing vibration of the primary system excited by a harmonic force with a variable frequency.

In summary, the primary form of RES affects younger males and females almost equally and is characterised by short-lasting episodes occurring with a variable frequency.

The proposed automation system involves (a) speed control by replacing the conventional method with a variable frequency drive (VFD), (b) feeder and pusher control using PLC, (c) fault detection and safety measures, (d) and PLC-based sequential control of all the processes carried out on pneumatic press.

The tones play at a variable frequency determined by the current brainwave rate.

The second one is a variable frequency, which is controlled by our interactions with the fields that surround the antennas.

For example, ARID1A is found inactivated by mutations at variable frequency (5%50%%) across a broad range of cancer types including subtypes of ovarian cancer, neoplasms of the liver, colon, stomach, pancreas, lung and breast.

Intensity of GP care was measured by the variable frequency of GP visits during the previous year (GP frequency).

Thanks to this model, the behavior of fans subject to control by variable frequency drives (VFD) can be predicted, which includes power absorbed by the fan and expected ventilation rates.