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).
The throttle position sensor measures the opening and closing of the butterfly valve inside the throttle body. It is viewed as a feedback sensor to the on board computer in relation to driver command on the accelerator, idle control, and accessory demand (AC, power steering) on power.