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1. Order structure
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To situate the problem of digital control of electric machines, let's take a look at figure 1 , which shows the general control diagram for an electric actuator. It is structured in several fundamental blocks:
the machine itself, which can be supplied with voltages ( v ) or currents (i ) and which supplies a torque (γ ) to a mechanical load (not studied here);
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sensors, in particular :
current,
speed,
on the machine;
the static converter, whose elementary components (switches) always operate in switching mode;
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Order structure