Journal Published Online: 09 October 2018
Volume 48, Issue 2

Theory and Application of the Internal Leakage Detection of Open-Circuit Hydraulic Systems Based on Active Hydraulic Test Technology

CODEN: JTEVAB

Abstract

With the rapid development of hydraulic technology, hydraulic systems have become more complex, and the detection of internal leakage is becoming more and more difficult. A fast and accurate approach is required to detect the internal leakage of a hydraulic system. This article describes the theory and application of the internal leakage detection of open-circuit hydraulic systems based on Active Hydraulic Test Technology. The theory of Active Hydraulic Test Technology is introduced, a leakage model and an online detection model of an open-circuit hydraulic system are established, and the total leakage of the hydraulic system is theoretically analyzed. A theoretical analysis of the leakage test method for the main control oil circuit and branch components is also conducted. Through applied research on a hydraulic system of a 1,250-ton forging machine, the effectiveness of the method for detecting the internal leakage fault of a complex hydraulic system is verified.

Author Information

Chenggang, Yang
Department of Electrical and Mechanical Control Engineering, College of Mechanical Engineering, Yanshan University, Qinhuangdao City, Hebei, China
Jingyi, Zhao
Department of Electrical and Mechanical Control Engineering, College of Mechanical Engineering, Yanshan University, Qinhuangdao City, Hebei, China
Hao, Sun
Department of Electrical and Mechanical Control Engineering, College of Mechanical Engineering, Yanshan University, Qinhuangdao City, Hebei, China
Lixuan, Yang
University College London, London, United Kingdom
Ruixin, Zhang
Department of Electrical and Mechanical Control Engineering, College of Mechanical Engineering, Yanshan University, Qinhuangdao City, Hebei, China
Pages: 14
Price: $25.00
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Details
Stock #: JTE20170459
ISSN: 0090-3973
DOI: 10.1520/JTE20170459