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).
HOW PERFORMANCE CHIPS WORK. The PCD Performance Chip increases the horsepower of any engine by communicating with the ECU with an altered signal that is sent from your IAT. This sensor plays a part in determining the fuel maps your ECU outlines for your engine.