Performance order

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NATIONAL AVIATION UNIVERSITY

AEROSPACE CONTROL SYSTEMS INSTITUTE

DEPARTMENT OF AVIATION COMPUTER INTEGRATED COMPLEXES

AIRCRAFT INSTRUMENTS AND INFORMATION SYSTEMS

REPORT ON LAB:

Mems accelerometer calibration

done by _________________________

Group ___________

Variant ____

Teacher: Mukhina M.P.

GRADE: _____________________

Date _________________

Learning objectives:

Upon completion of this work you must be able to:

a to perform accelerometer calibration on gyrostabilized platform;

a to provide the identification of error model of MEMS accelerometer by results of calibration.

WORKING WITH VOCABULARY

MEMS ___________________________

Silicon ___________________________

substrate ___________________________

sensitivity axis ___________________________

hinge axis ___________________________

pendulum axis ___________________________

scale factor ___________________________

cross-axis coupling factor ___________________________

zero-offset bias ___________________________

anchor ___________________________

moulding ___________________________

quantization noise ___________________________

digital bit stream ___________________________

Decimation Factor ___________________________

I2C/SPI ___________________________

non volatile structure ___________________________

Background

1. Give the definition of MEMS technology and accelerometer

_____________________________________________________________________

2. Give the classification of MEMS accelerometers

_____________________________________________________________________

3. What is the error model of accelerometer and sources of errors?

_____________________________________________________________________

4. Explain the I2C/SPI serial interface

_____________________________________________________________________

5. Explain the idea of least square method

_____________________________________________________________________

Performance order

Provide the following measurements:

Pitch angle, deg
Gx, mg
Gx`, mg
Gy, mg
Gy`, mg
Gz, mg
Gz`, mg

Draw the orientation of accelerometer axis relatively to the initial one and write down the formulas for g-components

Pitch angle, deg	-5	-10	-15	-20	-25	-30	-35	-40	-45	-50
Gx, mg
Gx`, mg
Gy, mg
Gy`, mg
Gz, mg
Gz`, mg

Draw the orientation of accelerometer axis relatively to the initial one and write down the formulas for g-components

Roll angle, deg
Gx, mg
Gx`, mg
Gy, mg
Gy`, mg
Gz, mg
Gz`, mg

Draw the orientation of accelerometer axis relatively to the initial one and write down the formulas for g-components

Roll angle, deg	-5	-10	-15	-20	-25	-30	-35	-40	-45	-50
Gx, mg
Gx`, mg
Gy, mg
Gy`, mg
Gz, mg
Gz`, mg

Draw the orientation of accelerometer axis relatively to the initial one and write down the formulas for g-components

Plot dependences Gx` = f (Gx), Gy` = f (Gy), Gz` = f (Gz),

Perform the parametrical identification of accelerometer error model according to formula (2) and using the least square method.

Complete the table.

Sx	Sy	Sz	B_fx	B_fy	B_fz	n_x	n_y	n_z

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Читайте в этой же книге: Розділ 1. Методи менеджменту, що застосовуються на підприємстві | Розділ 2. Прийняття управлінських рішень | Розділ 3. Концептуальні основи системного управління організаціями | Розділ 4. Здійснення керівництва підлеглими | Розділ 5. Організація особистої праці підлеглих | Розділ 6. Складання основних видів управлінської документації |

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