Title :
Low cost navigation using micro-machined technology
Author :
Randle, J. Seth ; Horton, Michael A.
Author_Institution :
Crossbow Technol. Inc., San Jose, CA, USA
Abstract :
Describes the GPS/inertial navigation system (GPSI) integration potential of a low cost inertial measurement unit (IMU) consisting of micro-machined sensors and on board calibration. Two simulated case studies demonstrate the IMU´s performance in both flight and automotive navigation. Both studies show that the IMU can be successfully integrated with Kalman filtering into a GPSI system. With complete loss of GPS signals, position accuracy is shown to be less than 10 meters, 2 distance root mean square (drms), after 30 seconds
Keywords :
Global Positioning System; Kalman filters; filtering theory; inertial navigation; microcontrollers; microsensors; GPS/inertial navigation system; Kalman filtering; automotive navigation; flight navigation; inertial measurement unit; low cost navigation; micro-machined technology; position accuracy; Aerospace simulation; Automotive engineering; Calibration; Costs; Global Positioning System; Inertial navigation; Kalman filters; Measurement units; Sensor phenomena and characterization; Sensor systems;
Conference_Titel :
Intelligent Transportation System, 1997. ITSC '97., IEEE Conference on
Conference_Location :
Boston, MA
Print_ISBN :
0-7803-4269-0
DOI :
10.1109/ITSC.1997.660621
