Physics, 09.11.2019 06:31, Reggie101127

An accelerometer is a device that uses the extension of a spring to measure acceleration in terms of earth's gravitational acceleration (g). what is the approximate acceleration if this accelerometer spring is extended just 0.43 centimeters?

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Mathematics, 08.09.2019 00:20, Jackiecroce12

The following questions are about how to determine the function f: (l,h) → { 2b – 1}, for an accelerometer, which given a proper acceleration x yields a digital number f(x). we will assume that x has units of "g's," where lg is the acceleration of gravity, approximately g = 9.8meters/seconda. (a) let the bias b e {0, 2b – 1} be the output of the adc when the ac- celerometer measures no proper acceleration. how can you measure b? (b) let a e { 2b - 1} be the difference in output of the adc when the ac- celerometer measures og and lg of acceleration. this is the adc conversion of the sensitivity of the accelerometer. how can you measure a? (c) suppose you have measurements of a and b from parts (3b) and (3a). give an affine function model for the accelerometer, assuming the proper acceleration is x in units of g's. discuss how accurate this model is. (d) given a measurement f(x) (under the affine model), find x, the proper accel- eration in g's. (e) the process of determining a and b by measurement is called calibration of the sensor. discuss why it might be useful to individually calibrate each particular accelerometer, rather than assume fixed calibration parameters a and b for a collection of accelerometers. (f) suppose you have an ideal 8-bit digital accelerometer that produces the value f(x) = 128 when the proper acceleration is og, value f(x) = 1 when the proper acceleration is 3g to the right, and value f(x) = 255 when the proper acceleration is 3g to the left. find the sensitivity a and bias b. what is the dynamic range (in decibels) of this accelerometer? assume the accelerometer never yields f(x) = 0.

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Physics, 20.09.2019 05:20, annahm3173

An accelerometer-a device to measure acceleration-can be as simple as a small pendulum. suppose you are flying a small plane in a straight horizontal line and your accelerometer hangs 14.00° behind the vertical, opposite the direction of motion. what is your acceleration?

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Engineering, 29.09.2019 00:30, banna01man

An accelerometer is used to measure the amplitude of a simple sinusoidal oscillation with period of 0.027 seconds. if the output voltage from the accelerometer is 0.35 vpp , and the accelerometer calibration is 0.138 v/g, what is the displacement sensed by the accelerometer in mm? (hint: formulate an expression for sinusoidal motion like x(t) = x0 sin(ωt) and then recall how acceleration and displacement are related to find a similar expression for the measured acceleration.)

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Physics, 01.10.2019 23:40, faithforlife3573

An accelerometer is a device that uses the extension of a spring to measure acceleration in terms of earth's gravitational acceleration (g). what is the approximate acceleration if this accelerometer spring is extended just 0.43 centimeters? . a) 0.24 g. b) 0.80 g. c) 2.00 g. d) 2.40 g

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