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Inertial Measurement Unit Boasts Desirable Energy Consumption, Size

Tue, 06/07/2011 - 4:23pm

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inertial measurement unit low powerSeiko Epson Corporation announced the commercial development of a new inertial measurement unit (IMU) named the S4E5A0A0. The new IMU provides stable, accurate measurement capability and among the lowest power consumption and smallest form factor in its class. The company combined its QMEMS quartz gyroscopic (angular rate) sensors with the semiconductor technology it developed for GPS and other positioning devices to commercialize the S4E5A0A0, an IMU that offers desirable measurement accuracy and stability while being among the smallest and most energy efficient IMUs in its class, according to the company. The module is 24 mm x 24 mm x 10 mm and consumes 30 mA when operating at 3.3 V. The IMU includes triple gyroscopes and a tri-axis accelerometer, for six degrees of freedom. The gyroscope provides high accuracy and stability (±300 deg/s), while the accelerometer offers a dynamic range of ±3 G. It offers exceptional angular rate measurement performance (angle random walk: 0.24 deg/?hr) and stability (gyro bias instability: 6 deg/h). The device is also equipped with industry-standard SPI and UART interfaces. The S4E5A0A0 is suited to industrial applications in areas such as inertial motion analysis and control, motional analysis and control, moving object control, vibration control and stabilization, and navigation systems.

Seiko Epson Corporation
800-922-7667, www.global.epson.com 
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