A DISCRETE COMPENSATOR FOR SAMPLED-DATA SYSTEMS USING MAGNETIC CORES AS STORAGE ELEMENTS
Abstract
The construction of a discrete compensator to be used in a sampled-data control system is described. The compensator employs a discrete delay line utilizing magnetic cores to store, in pulse-width-modulated form, the sampled values of the signal. This system requires no relays or stepping switches; everything is solid state except for the amplifiers used in the sample and hold circuits, demodulation integrators, and coefficient multiplication. This tapped delay line operates like a shift register. A group of toroidal cores with coils wound on them are connected in series. Each core is set to negative saturation; then a signal is impressed onto the first core in the chain for a certain peri d of time. Next, a reset signal is impressed onto this first core, and simultaneously a set signal of the same amplitude is impressed onto the second core. Thus the first step of the shifting i accomplished. This can be repeated as often as desired, depending only on how many cores are in the chain. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- May 11, 1961
- Accession Number
- AD0264355
Entities
People
- G.g. Lendaris
Organizations
- University of California, Berkeley