IEEE 528-2019 pdf free.IEEE Standard for Inertial Sensor Terminology.
This standard provides a source of definitions of terminology used in the development, manufacture, and test of inertial instruments used for navigation, guidance, orientation, stabilization, and related applications. This is a companion document to IEEE Sid I 559.
There is no consistent definition of terms that have arisen in the evolution of inertial instruments. This standard is intended to serve as a basic reference for producers and users of such instruments, for preparing industry standards, and for the interpretation of published technical reports.
For the purposes of this document, the following terms and definitions apply. The IEEE Siandurcis Dictionari’ Online should be consulted for terms not defined in this clause.
acceleration-insensitive drift rate (gyro): The component of environmentally sensitive drift rate not correlated with acceleration.
NOTE—Acceleration-insensitive drift rate includes the effects of temperature, magnetic, and other external influences.2
acceleration random walk (accelerometer): See: random walk (acceleration random walk).
acceleration-sensitive drift rate (gyro): The components of systematic drift rate correlated with the first power of a linear acceleration component. expressed as (rad’s)J(m/s2) in SI units.
acceleration-squared-sensitive drift rate (gyro): The components of systematic drift rate correlated with either the second power of a linear acceleration component or the product of two linear acceleration components. expressed as (rdds)/(ms2)2 in SI units.
aecelerometer: An inertial sensor that measures linear or angular acceleration. hxcept where specifically stated, the tenn accelerometer refers to linear accelerometer. See: angular accelerometer linear accelerometer.
activation time (gyro, accelerometer): See: turn-on time.
activity dip (vibrating beani accelerometer): the phenomenon where, ai ceriain trequencies, the resonator vibration amplitude decreases due to parasitic resonances within itself or with the surrounding structure.
alignment (gyro, accelerometer): See: Input-as Is misalignment.
Allan variance: A characterization of the noise and other processes in a time series of data as a function of averaging time. It is one half the mean value of’ the square of the difference of adjacent time averages from a time series as a function of averaging time.
angle random walk (gyro): See: random walk (angle random walk),
angular acceleration sensitivity: (A) (accelerometer) The change of output (divided by the scale factor) of a linear accelerometer that is produced per unit of angular acceleration input about a specified axis, excluding that response which is due tO linear acceleration. (B) (gyro) The ratio of drill rate due to angular acceleration about a gyro axis to the angular acceleration causing it.
NOTE— In single-degree-of-freedom gyros. ii is nominally equal to the dflixtive moment of inertia of the gimbal assembly di%ided by the angular mornentuni.
angular accelerometer: An inertial sensor that measures the rate of change of inertial angular velocity about its input axis(es).
NOTE An output signal is produced from the angular motion of a proof mass (rigid or fluid) relative to a case: or by diflerentiating the output of a strapdown gyr cope; or by processing the outputs from an array of linear accelerometers.
angular velocity sensitivity (accelerometer): The change of output (divided by the scale factor and the square of angular rate or product of two angular rates) of a linear accelerometer that is produced per unit of angular velocity squared, when spun about a specified axis, excluding the response that is due to acceleration. See: effective center-of-mass for angular velocity; rate-squared sensitivity.
angular vibration sensltivlt (gyro): The ratio of the change in output due to angular vibration about a sensor axis to the amplitude of the angular vibration causing it. angular-case-motion sensitivity (dynamically tuned gyro): The drift rate resulting from an oscillatory angular input about an axis normal to the spin axis at twice the rotor spin frequency. This effect is due to the single-degree-of-freedom of the gimbal relative to the support shaft and is proportional to the input amplitude and phase relative to the flexure axes. See: two-% (2N) angular sensitivity.IEEE 528 pdf download.