Figure 14

Spool displacement monitoring for different valve openings: (a) 0.8Â mm; (b) 0.9Â mm; (c) 1.0Â mm. Discharge starts at 1Â s.

Spool displacement monitoring for different valve openings: (a) 0.8Â mm; (b) 0.9Â mm; (c) 1.0Â mm. Discharge starts at 1Â s.