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New approach for high performance motion control

Closed loop control of hydraulic or electric systems offers an excellent means of achieving precision movement with big loads and high forces. However, hydraulic servo drives in particular have a lot of anomalies, e.g. non linearities and low damping, which in some applications makes these systems demanding to control. In such cases advanced control features are required in order to get the specified performance out of the drive. The new approach described in this paper is aimed at providing the industry with a standard tool for tackling such applications. Easy and fast application development, together with excellent performance has been the key factors in the described solution. The end result is a servo control platform versatile enough to handle the simplest through to the most complex problems and which is applicable to electric drives as well as hydraulic drives.