10-DoF MEMS IMU Incorporates Sensor Fusion Algorithm for Exceptionally Precise Orientation Sensing in Industrial, Defense & A...
25 June 2012 - 10:00PM
Business Wire
Analog Devices, Inc. (ADI) today introduced a
10-degree-of-freedom (DoF) MEMS inertial measurement unit (IMU)
with an embedded sensor fusion algorithm that delivers extremely
accurate orientation sensing in platform stabilization, navigation
and instrumentation applications. The ADIS16480 10-DoF MEMS IMU is
the latest addition to ADI’s iSensor® MEMS IMU portfolio and
integrates a tri-axis gyroscope, tri-axis accelerometer, tri-axis
magnetometer, a pressure sensor and Analog Devices’ ADSP-BF512
Blackfin® processor in a single package. The ADIS16480 incorporates
an extended Kalman filter (EKF) that fuses the sensor inputs over
time to render exceptionally precise positioning while reducing
design time and cost compared to other MEMS IMUs. This is
particularly useful in systems that require real-time positioning
yet where movement is constant, complex and dynamic, such as
military and commercial aircraft navigation, unmanned vehicles,
movable platform positioning, and industrial robotics.
- Download data sheet and see product
page: http://www.analog.com/ADIS16480
- Order samples and evaluation boards:
http://www.analog.com/ADIS16480
- To learn more about improving platform
stabilization, navigation and instrumentation applications using
MEMS inertial sensors visit:
http://www.analog.com/en/mems-sensors/mems-inertial-measurement-units/products/index.html
ADIS16480 Embedded, Extended Kalman Filter Yields Highly
Accurate Orientation Sensing
Kalman filtering is a mathematical algorithm that estimates the
given state of a noisy, variable process by taking multiple
measurements over time, and merging these with a predictive state
estimator. When embedded in the ADIS16480, the Kalman filter
intelligently combines the MEMS IMU’s motion sensor inputs to
deliver exceptionally precise positioning data, even under complex
operating conditions characterized by constant, unpredictable
movement. By embedding the filter in the Blackfin processor’s core,
ADI also saves designers the time and cost associated with the
intensive code development, testing and external processing
required by other MEMS IMUs.
“When determining exact position or orientation, industrial and
defense electronics systems are dependent not only on the accuracy
of individual sensors, but on the sophistication of accurately and
dynamically combining multiple inputs,” said Bob Scannell, iSensor
business development manager, MEMS/Sensors Group, Analog Devices.
“The ADIS16480 MEMS IMU’s embedded, extended Kalman filter helps
the system discern which sensors to ‘trust’ based on contextual
awareness. This allows system-level designers to achieve positional
accuracy under a variety of demanding environmental conditions by
either letting the filter autonomously adjust, or by tuning the
filter via its programmable interface.”
More About the ADIS16480 iSensor 10-DoF MEMS IMU
With a 330-MHz bandwidth that is 6x wider than competing
sensors, the ADIS16480 iSensor 10-DoF MEMS IMU combines ADI’s
high-performance iMEMS® technology and precision sensor-signal
processing to support closely aligned (0.05 degree) and
phase-matched axes, and industry leading non-linearity of 0.01%.
Every MEMS IMU is uniquely factory calibrated, which significantly
reduces the time and risk associated with development and
integration, as well as providing extremely low sensitivity to
thermal drift.
ADIS16480 iSensor 10-DoF MEMS IMU Key Specifications
- Extended adaptive Kalman filter
- Tri-axis, digital gyroscope: ±450°/sec
dynamic range
- 6°/hr in-run bias stability
- 0.3°/√hr angular random walk
- Tri-axis, digital accelerometer: ±10
g
- Tri-axis, digital magnetometer: ±2.5
gauss
- Digital pressure sensor: 300 mbar to
1100 mbar
- Fast start-up time: ~500 ms
- SPI-compatible serial interface
- 2000 g shock survivability
Analog Devices Expands iSensor MEMS IMU Portfolio
Also today, ADI further extended its iSensor MEMS IMU portfolio
by introducing the ADIS16448 10-DoF and ADIS16485 6-DoF MEMS
sensors. The ADIS16448 is designed for platform stabilization,
navigation and instrumentation applications and delivers the
industry’s best combination of price, performance and package
density (24-mm x 38-mm x 11-mm). The ADIS16485 MEMS IMU includes a
tri-axis gyroscope and a tri-axis accelerometer, and features the
best combined gyroscope (6˚/hr) and accelerometer (32 µg) in-run
bias stability of any available 6-DoF MEMS IMU.
Availability and Pricing
Product
SampleAvailability
Full Production
Price eachper 1k units
Packaging
ADIS16480
Now Now $1545.00
47 mm × 44 mm × 14 mm
24-lead module with connector
interface
ADIS16448
Now July 15 $459.00
24.1 mm x 37.7 mm x 10.6 mm20-lead module
with connector interface
ADIS16485
Now Now $1095.00
47 mm x 44 mm x14 mm24-lead module with
connector interface
About Analog Devices
Innovation, performance, and excellence are the cultural pillars
on which Analog Devices has built one of the longest standing,
highest growth companies within the technology sector. Acknowledged
industry-wide as the world leader in data conversion and signal
conditioning technology, Analog Devices serves over 60,000
customers, representing virtually all types of electronic
equipment. Analog Devices is headquartered in Norwood,
Massachusetts, with design and manufacturing facilities throughout
the world. Analog Devices is included in the S&P 500 Index.
iSensor, Blackfin and iMEMS are registered trademarks of Analog
Devices, Inc.
Follow ADI on Twitter at http://www.twitter.com/ADI_News
To subscribe to Analog Dialogue, ADI’s monthly technical
journal, visit: http://www.analog.com/library/analogDialogue/
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