Test Descriptions

30

These two concepts are illustrated in

This metric must be stated specifically for a hardware configuration similar to those defined

this document.

Figure

5.4.2

Procedure

Heading Linearity

Setup as defined in Matlab Stimulus/Expected Response + Hardware

post-process data.

1. Precondition the DUT by executing magnetic calibration trajectory leaving DUT in AZ = + 1

orientation (See Matlab Stimulus/Expected Response + Hardware

2. Rotate DUT around the z-axis from 0 to 360 degrees with an increment step of 10 degrees as

follows

3. Program rate table with desired steps and maximum velocity

a. Rotate tabletop by 10 degrees over 0.5 second per

b. Pause 0.5 seconds

c. Read orientation

d. Repeat steps a-c above until 360 degrees is reached.

Absolute Heading Accuracy

These numbers are based on simulations that are idealized models. The real

be approximately 5 degrees.

Freescale

Sensor Fusion Library for Kinetis

Freescale

These two concepts are illustrated in Figure 19.

This metric must be stated specifically for a hardware configuration similar to those defined

Figure 19. Nonlinearity vs. Absolute Accuracy

Matlab Stimulus/Expected Response + Hardware-based Fusion

Precondition the DUT by executing magnetic calibration trajectory leaving DUT in AZ = + 1

Matlab Stimulus/Expected Response + Hardware-based Fusion

axis from 0 to 360 degrees with an increment step of 10 degrees as

Program rate table with desired steps and maximum velocity

Rotate tabletop by 10 degrees over 0.5 second period

c above until 360 degrees is reached.

These numbers are based on simulations that are idealized models. The real-world values will tend to

Sensor Fusion Library for Kinetis MCUs, Rev. 0.7, 9/2015

Freescale Semiconductor, Inc.

This metric must be stated specifically for a hardware configuration similar to those defined earlier in

based Fusion. Matlab is used to

Precondition the DUT by executing magnetic calibration trajectory leaving DUT in AZ = + 1

based Fusion)

axis from 0 to 360 degrees with an increment step of 10 degrees as

world values will tend to