A control for a crank shear which minimizes the RMS current

A control for a crank shear which minimizes the RMS current

The minimal-energy problem is formulated and solved for boundary conditions appropriate to a crank shear. Since this exact solution is difficult to implement in a control system, an approximate solution, based on a symmetric-ramp torque profile, is also presented. It is confirmed by experiments that...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Snider, D., Yang, S., Pai, R.M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
AC motors
Acceleration
Boundary conditions
Coils
Control systems
DC motors
Energy consumption
Motion control
Torque control
Velocity control
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Beschreibung
Zusammenfassung:The minimal-energy problem is formulated and solved for boundary conditions appropriate to a crank shear. Since this exact solution is difficult to implement in a control system, an approximate solution, based on a symmetric-ramp torque profile, is also presented. It is confirmed by experiments that this near-optimum velocity profile yields considerable savings in RMS current over the standard trapezoidal velocity profile.< >
DOI:10.1109/IAS.1991.178182