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Article: Navigating with gyroscopes and GPS. (global positioning systems)
- Article from:
- Mechanical Engineering-CIME
- Article date:
- November 1, 1994
- Author:
CopyrightCOPYRIGHT 1994 American Society of Mechanical Engineers. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Newly developed yaw-rate gyroscope sensors, including one that is micromachined and another with no moving parts, are being tested for land-based vehicle navigation.
GYROSCOPE SENSORS ARE at the core of inertial navigation units that guide mechanical systems such as aircraft, sea vessels, and cruise missiles. Although they have existed for decades, these sensing devices are rarely used in other industries because of their high cost. Typically, gyroscope sensors range from $1000 to $100,000 each.
Car navigation systems, which require sensors that measure yaw rate, are providing a new market for these devices. Engineers are thus designing yaw-rate gyroscope ...
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