Checkpoint LAB USB-RS232 Manuel d'utilisateur télécharger pdf (Page 9)

IMUs AND ACCELEROMETERS

Inertial Measurement Unit

Measure acceleration and gyroscope

• serve as orientation sensors in the human

field of motion.

• At the core of Segways, Airplanes, Ships,

some robots.

• Supplies data to guidance controller.

• IMUs are “blind” and relies on previous

calculations to know their current

location. Periodic “zeroing” or dead

reckoning is needed.

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H BRIDGE

H Bridge has two functions:

• Boost the power to rotate a motor

• Control direction DC motor

• Schematic offers forward and

reverse motor direction.

• H-bridge got its name from its

schematic shape. That is, it forms

an H. Four switching elements at

the "corners" of the H and the

motor forms the cross bar.

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