A system comprises a radar altimeter producing range-to-ground measurements; an aided INS or AHRS producing vertical acceleration, roll, and pitch measurements; an air data system producing barometric altitude measurements; and a processor including a BIV hybrid filter, and a RAIV hybrid filter…
A method is provided for determining a latency between a first time reference frame of a system under test in a host vehicle, and a second time reference frame of a reference system in the host vehicle. The system under test comprises at least one sensor for acquiring sensor data of a surrounding…
Navigationssensor zum Bestimmen eines Koordinatendatensatzes, welcher eine räumliche Position und/oder eine Lage und/oder eine Bewegung des Navigationssensors oder eines mit dem Navigationssensor verbundenen beweglichen Objekts im Raum umfasst, mit einem Objekterfassungssensor, welcher zur…
A method for odometry estimation includes receiving a first sensor data and a second sensor data. The first sensor data is generated by an inertial measurement unit (IMU) of the vehicle, a wheel speed sensor (WSS), and a steering wheel angle sensor (SAS) of the vehicle. The second sensor data is…
The present disclosure discloses a method, apparatus and system for motion tracking. The method includes: acquiring inertia information and pace ranging information of feet of a target object; determining step length information according to the inertia information and the pace ranging information…
A navigation system includes an IMU, a navigation estimator configured to estimate a current navigation solution based on (i) a previous navigation solution, and (ii) a specific force vector and an angular rate vector measured by the IMU, an RI sensor, an RI data preprocessor configured to perform…
In a positioning system () for estimating the position of a mobile device (), a processing system () receives external-range data, representative of a range between the mobile device and an external unit (), and acceleration data representative of acceleration of the mobile device due to its…
The subject disclosure relates to estimating a grade of a road and calibrating sensors of an autonomous vehicle based on the grade. A process of the disclosed technology can include effectuating an autonomous vehicle to perform one or more maneuvers that cause the autonomous vehicle to face…
A navigation system includes an IMU, a navigation estimator configured to estimate a current navigation solution based on (i) a last navigation solution, and (ii) a specific force vector and an angular rate vector measured by the IMU, an RI sensor, an RI data preprocessor configured to: perform a…
The purpose of the present disclosure is to set the initial information of the anchoring object (target) of a ship with high accuracy. A ship navigation assistance system according to the present disclosure includes a provisional initial information specifier, a measurement sensor and processing…
The invention relates to a method of calibrating a navigation and pointing system (10) comprising a navigation unit (11) rigidly connected to a pointing device (12), the navigation unit being configured to measure the orientation of a navigation frame (21), the pointing device (12) being configured…
A system and method for collaborative navigation is provided. The system comprises a first mobile unit, at least one inertial measurement unit on the first mobile unit, and at least one environment sensor on the first mobile unit. A navigator module in the first mobile unit is configured to receive…
A driving support device includes: a maximum measurement range determination means adapted to calculate a distance to a plurality of points on a surface of an object present at surroundings of a vehicle by using a distance sensor such as a laser range finder or a stereo camera that measures a…
A method includes generating current coarse edge count representation based on current fine grid representation of current section, correlating current edge quantity values of current coarse pixels with historical edge quantity values of historical coarse pixels of historical coarse edge count…
Embodiments of the present invention provide improved systems and methods for estimating N-dimensional parameters while sensing fewer than N dimensions. In one embodiment a navigational system comprises a processor and an inertial measurement unit (IMU) that provides an output to the processor, the…