<Use Case> Achieving Autonomous Driving with High-Precision Location Information Acquisition
Support for remote operation and reduction of collision accidents.
Accurate positioning information is essential for controlling vehicles, so the realization of autonomous driving depends on how precisely positioning can be performed. In a demonstration experiment conducted at sea by e5 Lab in 2020, receivers of "ichimill" were installed at the four corners of the hull. Not only the position of the ship but also its orientation and tilt were obtained with centimeter-level accuracy. Funai from SoftBank, who participated in this demonstration experiment, stated, "Of course, we can track the ship's route, and it can also be used to prevent ship collision accidents. In particular, I believe that using 'ichimill' will enable highly accurate steering assistance during berthing, which is when the most attention is required in ship operation. In the future, we would like to apply this to remote control and autonomous operation of vessels."
basic information
RTK technology enables positioning with an accuracy of a few centimeters by establishing unique reference points at over 3,300 locations nationwide. Ichimill utilizes signals received from GNSS satellites, such as the quasi-zenith satellite "Michibiki," to perform RTK positioning, allowing for centimeter-level accuracy. *GNSS (Global Navigation Satellite System) refers to a collective term for satellite positioning systems such as QZSS (Quasi-Zenith Satellite System), GPS, GLONASS, and Galileo. *RTK (Real Time Kinematic) positioning is a method that uses two receivers, a fixed station and a mobile station, to exchange information in real-time between the two points, enabling high-precision positioning.
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