Lite-On Technology Corp.
Industrial Automation
183
7.4.2. Control structure of the torque mode
The diagram above illustrates the basic control structure of torque. The processing unit of torque
command selects the source of torque command based on 7.4.1. The selection includes the size of
command represented by the analog voltage set by the proportioner (PA-18), as well as the smoothing
of the torque command. The torque control unit manages the gain parameter of the drive and computes
the magnitude of the current supplied to the motor promptly.
The following chart shows the structure diagram regarding the processing unit of torque command.
Processing unit of
torque command
Processing unit of
torque control
Resonance
suppression unit
Processing unit of
current control
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