An integrated compliance electrohydraulic servovalve system connected to a load such as a simulated living being to provide more realistic movement thereto. The system includes a pressure transducer for sensing the pressure appearing at the output of the electrohydraulic servovalve and which is applied...http://www.google.co.uk/patents/US5568022?utm_source=gb-gplus-sharePatent US5568022 - Integrated compliance servovalve