GPS World, September 2018
GAMES CONSTRUCTION SCIENCE UAV SMARTPHONES SATELLITES LBS OTHER SECURITY FREIGHT SCIENCE UAV SMARTPHONES SURVEY FITNESS LBS OTHER SECURITY FREIGHT WIRELESS TIMING MOBILE RAIL MARINE DEFENSE OEM AVIATION GAMES MAPPING FINANCIAL DEFENSE SIMULATION SATELLITES DEFENSE OEM AVIATION GAMES CONSTRUCTION SCIENCE Inertial measurement fills the gap for positioning in tunnels FINANCIAL DEFENSE SIMULATION SATELLITES LBS OTHER of automakers and Google hits a roadblock when it comes to uninterrupted positioning We all know GNSS reception has its limits notably in many places that vehicles travel such as tunnels beside tall buildings and in parking garages Inertial positionig fills that gap making it especially advantageous for meeting the challenges of autonomous navigation Inertial measurement units are generally based on multi axis combinations of precision gyroscopes accelerometers and magnetometers using algorithms to determine location direction and position Gyroscopes measure the angular velocity accelerometers measure overall acceleration and magnetometers provide the direction of the magnetic field Micro electro mechanical MEMS techniques have reduced the size power consumption and costs of INS systems considerably enabling their use in ever more applications including unmanned aerial vehicles As a result products that combine GNSS INS are being introduced at an increasing rate with more than a dozen major announcements in the past year According to one study the INS market is projected to grow from US 1189 billion in 2017 to US 1967 billion by 2023 a compound annual growth rate of 876 parking garages and among tall buildings SEPTEMBER 2018 WWW GPSWORLD COM GPS WORLD 39 Transportation Machine Control Continued from page 37 OBSTACLE GNSS DENIAL OPPORTUNITY NEW COMBINATIONS OF TECHNOLOGY
You must have JavaScript enabled to view digital editions.
