... wheels.The mass of the car body is called the sprung mass, that is, the mass that is supported by springs. The mass of the wheel assemblies at the other end of the springs is called unsprung ... transmission, but the automatic transmission is the most commonly used transmission for passenger automobiles in the United States. In the past, automatic transmissions have been controlled ... new systems that could, in fact, not exist without electronics, such as navigation systems, communication systems, and electronic diagnostic systems.Figure 1.18Desired Boost Versus SpeedFPO2735...