Accelerometers in Electronics


An accelerometer is a device that measures non-gravitational
accelerations. These are accelerations produced by mechanically
accelerating the accelerometer via its casing. Accelerometers can be
used to measure vehicle acceleration.

can be used to measure vibration on cars, machines, buildings, process
control systems and safety installations. They can also be used to
measure seismic activity, inclination, machine vibration, dynamic
distance and speed with or without the influence of gravity. – Accelerometer Wikipedia


MMA7260Q is a 3-axis accelerometer
 from Freescale Semiconductor. This accelerometer can be used with an
extension Library Mma7260q which simplifies some initialization
values and tilt detection.

ADXL105 Lower-Noise Wider-Bandwidth Accelerometer
– The ADXL105, a near-ideal kind of vibration sensor, eliminates
significant problems with existing vibration sensors, such as
piezoelectric and bulk capacitive sensors. Primary benefits derive from
much lower cost, stable sensitivity as a function of frequency and
temperature, ruggedness, and ease of use. Besides machine health and
condition monitoring, it is particularly well suited for noise and
vibration cancellation applications.

A beginner’s guide to accelerometers
– By measuring the amount of static acceleration due to gravity, you
can find out the angle the device is tilted at with respect to the
earth. By sensing the amount of dynamic acceleration, you can analyze
the way the device is moving.

Society of Robots’ tilt to servo control app
– How does it work? Inside an accelerator MEMS device are tiny
micro-structures that bend due to momentum and gravity. When it
experiences any form of acceleration, these tiny structures bend by an
equivelent amount which can be electrically detected

David T.’s motor balancing experiments – Using an oscilloscope to measure AC vibration signals generated by an accelerometer (from Dimension Engineering).

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