Unfortunately, I couldn't find a freely accessible PDF version of the article. However, here are a few possible ways to obtain it:
Engineers who understand Rohner’s core text can easily adapt to IoT-enabled valve manifolds and predictive maintenance algorithms. Those who skip the fundamentals will struggle to interpret the data. industrial hydraulic control peter rohner pdf
"Industrial Hydraulic Control" (4th Edition) by Peter Rohner serves as a comprehensive guide for students and technicians, covering topics from basic hydraulic principles to advanced proportional and servo control systems. The text is highly regarded for its 360+ illustrations and its practical application to industrial and mobile hydraulic systems. For more details, visit the official site at HydraulicSupermarket.com Amazon.com Unfortunately, I couldn't find a freely accessible PDF
If you cannot find Rohner’s work legitimately, these books cover similar territory (some are available in legal PDF via institutional access): "Industrial Hydraulic Control" (4th Edition) by Peter Rohner