Integrated Control of Vehicle Chassis Based on PID

2014 ◽  
Vol 644-650 ◽  
pp. 25-28
Author(s):  
En Guo Dong ◽  
Jie Xuan Lou ◽  
Lei Zhang

In control system of vehicle chassis, two integrated control sub-systems of chassis have achieved some better results than a single sub-system control. However the two integrated sub-system control can not improve some dynamic performance on vehicle when other sub-system of chassis is disturbed. In order to improve vehicle dynamic performance of some sub-system, an integrated control method based on multi-system with suspension, steering system and brake system is designed. In the model, a 14-DOF vehicle model is used, and an integrated control method based on multi-system of chassis is designed in software of Matlab/Simulink with an integrated controller of PID. Simulation results show that the overall vehicle performance based on the three integrated control systems of chassis is better than those of two integrated control system.

Author(s):  
Wuwei Chen ◽  
Hansong Xiao ◽  
Liqiang Liu ◽  
Jean W. Zu

This paper addresses the problem of integrated control of Electrical Power Steering System (EPS) and Active Suspension System (ASS). Through integrating EPS with ASS, a full car dynamic model is established. Based on the integrated model, a random sub-optimal control strategy based on output feedback is designed to fulfill the integrated control of both EPS and ASS. The characteristics of the integrated control system are analyzed using Matlab/Simulink and a series of comparisons are made with the system without control and the ASS-only/EPS-only system. The simulation results show that the integrated control scheme can not only enhance the steering quality, but also significantly isolate the road excitation. Moreover, the integrated control system has a great improvement on anti-roll and anti-pitch abilities. The proposed research provides a theoretical solution for simultaneously improving the multiple vehicle performance indices including maneuverability, handling stability, ride comfort, and safety.


2014 ◽  
Vol 1046 ◽  
pp. 182-186 ◽  
Author(s):  
Li Yun Li

Suspension and steering systems are the two important subsystems of the vehicle chassis, and the two are not independent of each other, but are closely linked, so the coupling relationships between the two need to be considered to make the integrated control. Based on the tire force, dynamic load distribution, coupling movement relations, and coupling its structure and control parameters, a dynamic model of tire and suspension control system for is built to provide a model basis and research base for the study of the vehicle chassis system control.


2010 ◽  
Vol 426-427 ◽  
pp. 417-421
Author(s):  
Yu Hong Du ◽  
Xiu Ming Jiang ◽  
Gong Yuan Yang

To avoid the instability of the tension control in the continuous transmission process, a constant speed control system is designed and used in winding mechanism for composite films. Combining the mathematical model and the ratio speed control method, a system control algorithm is proposed. Results show that the system has the excellent robustness and the rapid speed response which meet the requirements of high speed constant tension control in the packaging industry. In order to improve the dynamic performance including fast response and non-overshoot, gain control and variable integration time constant control is used. Further, feed forward control method and adaptive control method is utilized to stabilize the composite films tension.


Author(s):  
A. Sambade ◽  
F. Alessio ◽  
C. Barandela ◽  
O. Callot ◽  
M. Frank ◽  
...  

2010 ◽  
Vol 136 ◽  
pp. 153-157
Author(s):  
Yu Hong Du ◽  
Xiu Ming Jiang ◽  
Xiu Ren Li

To solve the problem of detecting the permeability of the textile machinery, a dedicated test system has been developed based on the pressure difference measuring method. The established system has a number of advantages including simple, fast and accurate. The mathematical model of influencing factors for permeability is derived based on fluid theory, and the relationship of these parameters is achieved. Further investigations are directed towards the inherent characteristics of the control system. Based on the established model and measuring features, an information fusion based clustering control system is proposed to implement the measurement. Using this mechanical structure, a PID control system and a cluster control system have been developed. Simulation and experimental tests are carried out to examine the performance of the established system. It is noted that the clustering method has a high dynamic performance and control accuracy. This cluster fusion control method has been successfully utilized in powder metallurgy collar permeability testing.


2013 ◽  
Vol 738 ◽  
pp. 272-275
Author(s):  
Dun Chen Lan

In the field of mechanical automation, intelligent industrial robot technology is an important branch in the research field of robot; it is always the hot spots of the world robot research, and it being used to get the application in the industry today. Robot experiment platform of PLC and motor control technology, it based on the control method used by the robot control system improvements to make it more perfect run more precise, reasonable. In the same time, the man-machine interface state run monitoring, to ensure the normal operation of the system. Improved control method of the improvement of the work efficiency, reduce the work of the workers a duplication degree have a significant effect, and the system control at the scene, especially PLC control has excellent control function and good cost performance .


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