What are the main components of an automotive chassis electronic control system?
1 Answers
Automotive chassis electronic control systems mainly consist of signal input devices, electronic control units (ECUs), and actuators. Below is an introduction to the components of an automotive chassis electronic control system: 1. Signal Input Devices Signal input devices include various sensors and switches. The input signals are primarily electrical signals generated by sensors or switches, and all input signals to the computer are voltage signals. Voltage signals are divided into analog signals and digital signals. Analog signals refer to infinitely variable voltage signals within a given range, and most signals from sensors are analog voltage signals. 2. Digital signals refer to one of two states, such as on-off, high-low, or present-absent. In automotive electronic control systems, due to the use of computer technology, signal processing speed and capacity have significantly improved compared to traditional analog circuits. The central processing unit (CPU) in a computer can only receive digital signals. 3. The ECU is composed of an input interface, computer, and output interface, among other components. The actuator completes the required mechanical actions based on the control signals output by the ECU to achieve the adjustment and control of a system. There are various ways for an actuator to convert electrical signals into mechanical motion. According to the form of mechanical motion, actuators can be divided into linear actuators and rotary actuators. From a structural perspective, the components that truly achieve this conversion are electromagnetic coils, micro-motors, etc.
