Navigation system with device orientation mechanism and method of operation thereof

摘要

A method of operation of a navigation system includes: receiving acceleration information, including an acceleration measurement, and location information; calculating a total acceleration magnitude, having a vertical acceleration magnitude and a horizontal acceleration magnitude, from the acceleration measurement; calculating an average velocity estimation from the location information; calculating an average acceleration estimation from the location information; calculating a component angle between the average velocity estimation and the average acceleration estimation; calculating a forward acceleration and a lateral acceleration with the component angle and the horizontal acceleration magnitude; and generating a motion classification for a travel acceleration based on the forward acceleration and the lateral acceleration for displaying on a device.

主权项

1. A method of operation of a navigation system comprising:
receiving acceleration information, including an acceleration measurement, and location information, the acceleration information for measuring an acceleration of a device in a vehicle; calculating a total acceleration magnitude, having a vertical acceleration magnitude and a horizontal acceleration magnitude, from the acceleration measurement for removing a dependence of the acceleration measurement on an orientation of the device; calculating an average velocity estimation from the location information; calculating an average acceleration estimation from the location information; calculating a component angle between the average velocity estimation and the average acceleration estimation; calculating a forward acceleration and a lateral acceleration with the component angle and the horizontal acceleration magnitude; and generating a motion classification, with a control unit, for representing a travel acceleration of the vehicle with the device therein based on the forward acceleration and the lateral acceleration for displaying on the device.