Investigation of Digital Hydraulic System Efficiency
Essameldin Mohamed Abdelhafeez Elsaed;
Abstract
Abstract
Energy efficiency has a prominent role in fluid power researches. One technique to improve the efficiency is through decreasing flow control losses, a unique way to do so is called Digital Hydraulic Valves (DHV), in which the output flow is the summation of smaller discrete values exhausted from parallel connected valves with common input and common output nodes. The valves configuration is based on the Pulse Code Modulation (PCM) control, although this scheme is characterized by small package size and low energy consumption, it faces challenges such as higher flow peaks more than the other coding schemes, and thus resulting in poor tracking accuracy. This dilemma manifests once a transition occurs between specific flow rates.
Energy efficiency has a prominent role in fluid power researches. One technique to improve the efficiency is through decreasing flow control losses, a unique way to do so is called Digital Hydraulic Valves (DHV), in which the output flow is the summation of smaller discrete values exhausted from parallel connected valves with common input and common output nodes. The valves configuration is based on the Pulse Code Modulation (PCM) control, although this scheme is characterized by small package size and low energy consumption, it faces challenges such as higher flow peaks more than the other coding schemes, and thus resulting in poor tracking accuracy. This dilemma manifests once a transition occurs between specific flow rates.
Other data
| Title | Investigation of Digital Hydraulic System Efficiency | Other Titles | التحقيق في كفاءة استخدام النظام الهيدروليكي الرقمي | Authors | Essameldin Mohamed Abdelhafeez Elsaed | Issue Date | 2018 |
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