Chunshuang Li's research while affiliated with Jilin University and other places
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Publications (3)
The traditional wheel loader performs the steering operation by the rotation of the steering wheel, which significantly increases the complexity and fatigue of the operator. This paper presents a dual-mode steering system to solve the afore-mentioned problems, where a pilot control valve with a joystick is connected in parallel with the redirector...
In this paper, a digital hydraulic variable control method based on multi-way valve spool displacement feedback is proposed, which combines the advantages of low cost and high reliability of the loader fixed displacement pump hydraulic system, and the distinguished energy saving effect of the loader variable pump hydraulic system. Based on the prin...
Compared with the traditional hydraulic hybrid system, step variable hydraulic hybrid power system has the advantages of low cost, fast response and pollution resistance. However, the existing variable elements are heavy, and the control valve group has the disadvantages of insufficient through‐flow capacity, large flow resistance, large leakage an...
Citations
... A pump-controlled steering is proposed by Daher et al. [4] where the volumetric displacement of the hydraulic pump is controlled in order to control the steering, the study does not consider the redundancy. Similarly, Wang et al. [5] proposed a steering with dual-mode which has two steering control elements, hence not according to the ISO standards [6] which does not allow to have separate steering control elements for redundant steering. A Steer-by-Wire (SbW) for HEMM has been proposed by authors that has potential to fulfil the required safety standards in a previous article [1]. ...
![[object Object]](https://i1.rgstatic.net/ii/profile.image/1089949701025792-1636875667670_Q64/Yuqi-Wang-68.jpg)
... The BVs are also simpler and easier to connect to digital controllers. The on/off of the BVs is high frequency, typically 50 Hz or more, and these are these are high-speed on/off valves [27]. BVs are insensitive to contamination and leak-free in state 0. The use of highspeed BVs to control hydraulic stepper actuators (HSAs) results in greater reliability, lower energy consumption, improved positioning accuracy, shorter downtime, lower losses, and lower investment costs. ...
![[object Object]](https://i1.rgstatic.net/ii/profile.image/300255762501637-1448597960860_Q64/Xin-Wang-416.jpg)
