ETAS ES5340.2, Руководство пользователя

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ES5340.2 Electric Drive Simulation Board -User’s Guide 48
Hardware Description ETAS
3.7.2 Synchronization
An angle or speed-based synchronization of multiple ES5340.2 Electric Drive
Simulation Boards is possible. For this purpose, any ES5340.2 is configured as the
RPM master, all other ES5340.2 as RPM slaves.
3.7.3 "Master with Angle Adaptation" RPM Mode
To enable synchronization of the RPM unit with a model on the Real-Time PC or
the FPGA model, the RPM unit (as the master) must be adapted to the current
angle of the respective model (angle adaptation).
The speed, angle and the difference between the target angle (model) and cur-
rent angle are calculated by the model. The RPM unit is then sped up or slowed
down – this ensures that the speed difference is eliminated within the next sim-
ulation period (without changing the number of pulses of a "mechanical"
period, 360 °).
Configuring the RPM unit in LABCAR-RTC
To define the operating mode of the RPM unit, select the item "ES5340-RPM" in
LABCAR-RTC and select the "RPM Operating Mode" option in the "Globals"
tab.
The following settings are possible for the "RPM Operating Mode" option:
• Slave
The ES5340.2 is synchronized to an external angle clock signal.
• Master
The angle clock signal is generated – based on the mechanical angular
velocity – on the ES5340.2 and transmitted to the system hardware on the
SYNC bus.
• Master with Angle Adaptation
The angle clock signal is generated – based on the mechanical angular
velocity
and the current angle – on the ES5340.2 and transmitted to the
system hardware on the SYNC bus.