Computer vision is becoming one of the most popular remote-sensing techniques and has been used widely in displacement monitoring damage identification in-service bridges. Nevertheless, several obstacles, including limited sampling rate, insufficient resolution for remote measurement, error induced by camera tilting, restrict application vision-based approaches structural health (SHM). The comb...

By using a small floor mock-up, the impact sound reduction of floor coverings can be determined by measuring the difference of the acceleration levels instead of measuring a sound pressure level in a receiving room (ISO 10140). The setup is validated for locally reacting floor coverings and standardized within the ISO 16251-1. To decide whether the covering under test can be considered as local...

This study presents a stochastic magnetic measurement model that can be used to estimate relative position and orientation. The model predicts the magnetic field generated by a single source coil at the location of the sensor. The model was used in a fusion filter that predicts the change of position and orientation by integration of acceleration and angular velocity measured by inertial sensor...

Changing the position of the Center of Gravity (CoG) for an aerial vehicle is a challenging part in navigation, and control of such vehicles. In this paper, an all-accelerometers-based inertial measurement unit is presented, with a proposed method for on-line estimation of the position of the CoG. The accelerometers' readings are used to find and correct the vehicle's angular velocity and accel...

An evaluation of a low-cost, small sized solid state accelerometer is described in this paper. The sensor is intended for positioning of a mobile robot or platform. Acceleration signal outputted by the sensor is doubly integrated with time which yields the traveled distance. Bias offset drift exhibits in the acceleration signal is accumulative and the accuracy of the distance measurement deteri...