Abstract
Design of an Ethernet network compatible data acquisition system for the measurement of yaw rate and longitudinal velocity in automobiles is presented. The data acquisition system includes a base node and a remote node. The remote node consists of a micro electro mechanical system (MEMS) accelerometer, an MEMS gyroscope, an advanced RISC machines (ARM) CORTEX M3 microcontroller and an Ethernet PHY device. The remote node measures the yaw rate and the longitudinal velocity of an automobile and sends the measured values to the base node using Ethernet communication. The base node consists of an ARM CORTEX M3 microcontroller and an Ethernet PHY device. The base node receives the measured values and saves in a microSD card for further analysis. The characteristics of the network and the measurement system are studied and reported.
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