Safe parallel guidance by integrated position
sensor with velocity output.
In mobile hydraulics applications, sensors are subject to a cluster
of marginal conditions. For this reason, a development focus is
on the integration of measurement systems into hydraulic cylinders.
Furthermore, in special applications where mobile machines control
an overall movement by means of several cylinders, synchronization
of movements is required.
Therefore, the Temposonics M series are especially made for
integration into hydraulic cylinders. The sensor is protected against
shock, vibration and extreme environmental conditions and offers
an unrivalled measurement rate, outstanding repeatability (> +/- 0.005%)
and stable linearity (> 0.04%). External effects on the measurement
signal are virtually excluded by interference suppression for HF electric
fields up to 200 V/m, vibration resistance up to 30g(av) and shock
resistance of more than 100g. Magnetostrictive Temposonics MH
sensors also offer continuous measurement of both - position and
speed - during the position change. Due to the output of a velocity
signal, highly dynamic control of several independent hydraulic cylinders
is possible. It enables the power actuators to be developed into complex
movement axes and permits realization of high-quality control systems,
e.g. for electro hydraulic parallel guidance of excavators or loaders.
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June 2006
