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| 1 | Modelling and analysis for a pilot relief valve using CFD method and deformation theory of thin plates显示文摘The current work is concerned with modelling and analysis for a pilot relief valve, thus successfully bringing a systematic method for designing and analyzing similar valves. The essence of the work is to solve two important problems, one for positions of the pilot valve influenced by flow force and the other is for the opening of the relief valve governed by a thin annular plate. The computational fluid dynamics(CFD) method is used to present the flow force. Using a series of experiments, the flow rate versus pressure drop shows the rationality of the CFD results. In order to obtain the opening of relief valve with higher accuracy, the large deflection theory of thin plates is adopted. An equivalent method for replacing the concentrated force is innovatively proposed so that all of the loads of the plates can be given by a unified expression, which reduces the number of the governing equations and intermediate boundary conditions. For presenting a very simple and reliable method for solving the governing equation, an unconstrained nonlinear optimization is innovatively introduced to solve the deflection of the thin annular plate. Being verified by finite-element method(FEM) of the relief valve, the equivalent method and optimization can solve deflection of thin plates rapidly and accurately. Reflected through a complete model for the pilot relief valve, the theoretical flow rate of the pilot relief valve is consistent with experimental conclusion. Once again, the comparisons bring us insight into the accuracy of the method adopted in the current work. | YUAN XianJu GUO KongHui | 2015 | Science China(Technological Sciences)2015，58，6： | 4 |
| 2 | Kalman Filter-Based Fusion Estimation Method of Steering Feedback Torque for Steer-by-Wire Systems显示文摘Universal challenge lies in torque feedback accuracy for steer-by-wire systems,especially on uneven and low-friction road.Therefore,this paper proposes a fusion method based on Kalman filter that combines a dynamics-reconstruction method and disturbance observer-based method.The dynamics-reconstruction method is designed according to the vehicle dynamics and used as the prediction model of the Kalman filter.While the disturbance observer-based method is performed as an observer model of the Kalman filter.The performance of all three methods is comprehensively evaluated in a hardware-in-the-loop system.Experimental results show that the proposed fusion method outperforms dynamics reconstruction method and disturbance observer-based method.Specifically,compared with the dynamics-reconstruction method,the root mean square error is reduced by 36.58%at the maximum on the flat road.Compared with the disturbance observer-based method,the root mean square error is reduced by 39.11%at the maximum on different-friction and uneven road. | Lin Zhang Qiang Meng Hong Chen Yanjun Huang Yang Liu Konghui Guo | 2021 | Automotive Innovation2021，4，4： | 3 |
| 3 | STUDY ON CONTACTING MELTING AND ANTI-SKID TECHNOLOGY FOR A TIRE TRACTION ON ICE显示文摘Theoretical analyses and experimental studies of the mechanisms of melting film formation are performed. The results show that frictional heating is the dominant mechanism because temperature behaves in the manner predicted by the theory of frictional heating. A study of the active technology for anti-skid is also made. Conclusions indicate that adjusting tire pneumatic pressure can improve the control stability and the travelling safety of an ice-automobile. | Peng Xudong (Department of Mechatronic Engineering, University of Petroleum) Xie Youbai,Guo Konghui (Xi’ an Jiaotong University) (Jilin University) | 2001 | Chinese Journal of Mechanical Engineering2001，14，3： | 2 |
| 4 | An empirical tire model for non-steady state side slip properties显示文摘 | HOU Yongping SUN Yongling GUO Konghui | 2003 | SAE Transactions2003，112，2： | 1 |
| 5 | A comparison of a semi-active inerter and a semi-active suspension显示文摘 | Zhang Xinjie Ahmadian M Guo Konghui | 1903 | SAE Technical Paper 2010-01-1903，2010，： | 1 |
| 6 | An analytical driver model for arbitrary path following at varying vehicle speed显示文摘 | Haitao Ding Konghui Guo Fang Wan | 2007 | International Journal of Vehicle Autonomous Systems2007，5，34： | 1 |
| 7 | A novel direct yaw moment controller for in-wheel motor electric vehicles显示文摘 | CHEN Yuhang HEDRICK J K GUO Konghui | 2013 | Vehicle System Dynamics2013，51，6： | 1 |
| 8 | Modelling and Simulation of Non-steady State Cornering Properties and Identification of Structure Parameters of Tyres显示文摘 | Guo Konghui Liu Qing | 1997 | Vehicle System Dynamics1997，27，9： | 1 |
| 9 | On the benefits of semi-active suspensions with inerters 显示文摘 | Zhang Xinjie Ahmadian Mehdi Guo Konghui | 2012 | Shock and Vibration2012，19，3： | 1 |
| 10 | Constrained H∞ control of active suspensions: an LMI approach显示文摘 | Chen Hong Guo Konghui | 2005 | IEEE Transations on Control Systems Technology2005，13，3： | 1 |
| 11 | A Unified Non-Steady Non-Linear Tire Model under Complex Wheel Motion Inputs Including Extreme Operating Conditions 显示文摘 | GUO Konghui | 2001 | SAE Review2001，22，4： | 1 |
| 12 | The UniTire Model: a Nonlinear and Non-steady-state Tyre Model for Vehicle Dynamic Simulation 显示文摘 | GUO Konghui LU Dang CHEN Shih-ken | 2005 | Vehicle System Dynam- ics2005，43，1： | 1 |
| 13 | Analytical Method for Mod- eling Driver in Vehicle Directional Control 显示文摘 | Guo Konghui Cheng Ying Ding Haitao | 2004 | Vehicle System Dynamics2004，，： | 1 |
| 14 | UniTire: Unified Tire Model for Vehicle Dynamic Simulation 显示文摘 | GUO Konghui LU Dang | 2007 | Vehicle System Dynam- ics2007，45，1： | 1 |
| 15 | Modeling of Driver/Vehicle Directional Control System显示文摘 | Guo Konghui Guan Hsin | 1993 | Vehicle System Dynamics1993，22，1： | 1 |
| 16 | Modelling of Driver/Vehicle Directional Control System 显示文摘 | Guo Konghui Guan Hsin | 1993 | Vehicle System Dynamics1993，22，3： | 1 |
| 17 | A Non--steady and Non-linear Tire Model under Large Lateral Slip Condition显示文摘 | Guo Konghui Ren Lei | 2000 | SAE Paper2000，，： | 1 |
| 18 | Constrained H∞ Control of Active Suspensions: an LMI Approach 显示文摘 | Chen Hang Guo Konghui | 2005 | IEEE Transations on Control Systems Technology2005，13，3： | 1 |
| 19 | Development of a longitudinal and lateral driver model for autonomous vehicle control显示文摘 | GUO Konghui DING Haitao ZHANG Jianwei | 2004 | International Journal of Vehicle Design2004，36，1： | 1 |
| 20 | Modelling and simulation of non - steady state cornering properties and identifica- tion of structure parameters of tyres显示文摘 | Guo Konghui Liu Qing | 1997 | Vehicle System Dynamics1997，27，1： | 1 |
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