It was a valued export in Silk Road trading, but the manufacturing process was kept secret. During the Tang Dynasty (618-907) and the Song Dynasty (960-1279), varieties of paper were developed for different purposes.
April 7, 2015 Written by controlguru. Like the P-Only controller, the Proportional-Integral (PI) algorithm computes and transmits a controller output (CO) signal every sample time, T, to the final control element (e.g., valve, variable speed pump).
Strategy and load input; PCM uses this to monitor engine speed to determine engine state. and load, and cylinder position in order to control timing and fuel delivery; Hall Effect sensor. which generates a digital voltage signal; high, 12 volts, low, 1.5 volts.