A worker is about to enter a confined space. Prior to entry, he reaches down to his belt and pulls out his gas monitoring device. He points the device into the confined space and initiates a scan of ...

Photoionisation detectors (PIDs) are considered the optimal choice when detecting VOCs (Volatile Organic Compounds). In simple terms, PID detectors use ultraviolet light to break down and ionize a ...

In this paper, the authors discuss about design and implementation of IMU (Inertial Measurement Unit) sensor data fusion and attitude estimation. This paper discusses about the simple approach of ...