Accurate position information is nowadays very important in many applications. For instance, maintaining the situation awareness command center emergency operations crucial. Due to signal strength attenuation and multipath, Global Navigation Satellite Systems are not suitable for indoor navigation purposes. Radio network-based positioning techniques, such as wireless local area network, require infrastructure that often vulnerable situations. We propose here a distributed system personal...

MEMS gyroscopes are gaining popularity because of their low manufacturing costs in large quantities. For navigation system engineering, this presents a challenge strong nonstationary noise processes, such as 1/ <i xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">f</i> noise, the output gyros. In practice, on-the-fly calibration is often required before gyroscope data useful and comparable to more expensive optical gyroscopes. paper, we focus on an...

Commonly used Global Navigation Satellite Systems (GNSS) are inappropriate as Location Based Services (LBS) in indoor environment. Therefore research teams developing different systems, which can be a suitable alternative. One of options is to use Inertial System (INS) consists inertial sensors and mathematic procedures. This concept has been known for long time, but with arrival Microelectro Mechanical (MEMS) INS found wide use. Smartphones sensors, such accelerometers gyroscopes, allow us...

This paper presents a numerical approach to the pedestrian map-matching problem using building plans. The proposed solution is based on sequential Monte Carlo method, so called particle filtering. algorithm can be adapted for implementation real-time navigation systems low-cost MEMS gyroscopes and accelerometers as dead-reckoning sensors. reliability accuracy performance was investigated simulated data typical pedestrians walking inside building. results show that this map-aided dead...

Microelectromechanical system (MEMS) gyroscopes have advantageous properties for orientation sensing and navigation as they are small, low cost, consume little power. However, the significant noise at frequencies results in large errors a function of time. Controlled physical rotation gyroscope can be used to remove constant part gyro reduce low-frequency noise. As adding motors this would increase it attach gyros rotating platform that is already built vehicle. In paper, we present theory...

Accurate modeling of nuclear reaction cross-sections is crucial for applications such as hadron therapy, radiation protection, and reactor design. Despite continuous advancements in physics, significant discrepancies persist between experimental data theoretical models TENDL, ENDF/B. These deviations introduce uncertainties Monte Carlo simulations widely used physics medical applications. In this work, DINo (Deep learning Intelligence Nuclear reactiOns) introduced a deep learning-based...

In many personal navigation applications accurate altitude information is required. Finding a correct floor in tall building or precise guidance multi-layer intersection not possible with two-dimensional system. Satellite systems provide information, but accuracy necessarily sufficient for this kind of situations. Barometers can be used to improve the and availability solution. The objective study was find relevant error sources barometer based context navigation. MEMS data were collected...

In this paper, a method and system for gyrocompassing based on low-cost micro-electro-mechanical (MEMS) gyroscope are described. The proposed setup is the choice of with specified bias instability better than 2 deg h-1 careful error compensation. aligned parallel to local level, which helps eliminate g-sensitivity effect but also sacrifices fraction Earth's rotation rate that can be observed. additive compensated by rotating sensor mechanically extended Kalman filtering. it demonstrated...

Cycle slips are a common error source in Global Navigation Satellite System (GNSS) carrier phase measurements. In this paper, the cycle slip problem is approached using Receiver Autonomous Integrity Monitoring (RAIM) methodology. Carrier measurements used here single-receiver time-differential positioning method where integer ambiguities canceled, but any remain. The performance of was assessed by comparing detection results to Real-Time Kinematic (RTK) solution and manual data examination....

As satellite signals, e.g. GPS, are severely degraded indoors or not available at all, other methods needed for indoor positioning. In this paper, we propose combining information from inertial sensors, map, and WLAN signals pedestrian navigation. We present results of field tests where complementary extended Kalman filter was used to fuse together signal strengths an sensor unit including one gyro three-axis accelerometer. A particle combine the data with map information. The show that both...

In this paper, an adaptive activity and environment recognition algorithm running on a mobile phone is presented. The makes inferences based sensor radio receiver data provided by the phone. A wide set of features that can be extracted from these sources were investigated, Bayesian maximum posteriori classifier was used for classifying between several user activities environments. accuracy method evaluated dataset collected in real-life trial. addition, comparison to other state-of-the-art...

This paper presents a novel challenging dataset that offers new landscape of testing material for mobile robotics, autonomous driving research, and forestry operation. In contrast to common urban structures, we explore an unregulated natural environment exemplify sub-urban forest environment. The sequences provide two-natured data where each place is visited in summer winter conditions. vehicle used recording equipped with sensor rig constitutes four RGB cameras, Inertial Measurement Unit,...

The knowledge of orientation an object with respect to the earth-fixed reference coordinate system is crucial in many applications. For instance, oil mining, it very accurately know drilling equipment under earth surface drill through desired path. In this context, we propose a compact inertial sensor that estimates instantaneous using accelerometer and gyroscope-derived tilt azimuth angles. To keep size small, use two-axis one-axis gyroscope. addition, avoid high cost, biases are removed...

We propose a novel method for three-dimensional navigation and localization of land vehicle in multi-storey parking-garage. In order to navigate or localize 3D space we also need height information addition 2D position. Conventionally, an altimeter is used get the floor level/height information. The solution presented this paper uses low cost gyro odometer sensors, combined with map by means particle filtering collision detection techniques parking garage. This eliminates necessity other...

This paper presents the development of a land vehicle navigation system that provides accurate and uninterrupted positioning. Ground speed Doppler radar one MEMS gyroscope are used to augment differential GPS (DGPS) provide during DGPS outages. Using has advantages easy assembling lowcost maintenance compared wheel encoders. The gyro calibrated when is available. Loosely coupled Kalman filter gives optimally tuned solution. Field tests were carried out evaluate performance system. results...