9 DOF railway vehicle modeling and control for the integrated tilting bolster with active lateral secondary suspension

2010 ◽  
Author(s):  
Ronghui Zhou ◽  
A. Zolotas ◽  
R. Goodall
Keyword(s):  
Railway Vehicle ◽  
Modeling And Control ◽  
Vehicle Modeling ◽  
Secondary Suspension ◽  
And Control

Improve Hunting of a Railway Vehicle Using Semi-Active Primary Suspension

2006 ◽  
Author(s):  
Abbas Fotoohi ◽  
Aghil Yousefi-Koma
Keyword(s):  
Lateral Displacement ◽  
Control Design ◽  
Active Suspension ◽  
Design Tool ◽  
Railway Vehicle ◽  
Physical Damage ◽  
Modeling And Control ◽  
Vehicle Simulation ◽  
The Stability ◽  
And Control

Hunting is a very common instability phenomenon in rail vehicles operating at high speeds. The hunting phenomenon is a self excited lateral oscillation produced by the forward speed of the vehicle and the wheel-rail interactive forces caused by the conicity of the wheel-rail contours and the friction-creep characteristics of the wheel-rail contact geometry. Hunting can lead to severe ride discomfort and eventual physical damage to wheels and rails. This research is conducted to demonstrate advantages of semi-active primary suspension in railway vehicle for control of hunting phenomenon. Semi-active suspension consists of some actuators on each bogie located in primary suspension position in addition to vertical passive dampers. A simple on-off switching is used here and the actuator force is determined regarding to wheelset displacement. An integration of a control design tool, i.e. MATLAB, together with a tool for railway vehicle simulation, i.e. ADAMS/Rail is utilized for modeling and control design simultaneously. Analysis has been performed on a traditional bogie model with passive primary suspension and on a new bogie model with semi-active suspension. The effects of semi-active suspension system on lateral displacement and yaw motion of wheelset have also been investigated. Results show that the semi-active suspension improves the stability by controlling displacement magnitude.

Continuously Variable Transmission Vehicle Modeling and Control Algorithm Considering Fuel Efficiency and Driveline Efficiency

2021 ◽  
pp. 53-57
Author(s):  
Diana Cotoros ◽  
◽  
Anca Stanciu ◽  
Alexandra Hutini
Keyword(s):  
Hearing Loss ◽  
Control Algorithm ◽  
Fuel Efficiency ◽  
Modeling And Control ◽  
Vehicle Modeling ◽  
Pertinent Data ◽  
Variable Transmission ◽  
Sensory Activity ◽  
And Control ◽  
Modern Technologies

The device presented in this paper was designed in order to give a hand to the deaf-mute community, by helping them to reintegrate in the society, using the modern technologies. We aim at manufacturing an intelligent glove based on the use of sensors in order to obtain a communication bridge with a decent speech level between the persons suffering hearing loss and the persons with normal hearing. The development and design of the glove represents an endeavor that aims at obtaining pertinent data from fingers’ motion. The prototype functionality can be easily compared with gloves for virtual applications as they work on the same principle, namely sensory activity and test subjects will verify the concept objectives.

scholarly journals Research on unmanned aerial vehicle modeling and control based on intelligent algorithms

2019 ◽  
Vol 11 (5) ◽  
pp. 168781401985169
Author(s):  
Peng Liu ◽  
Xun Luo ◽  
Zhendong Bai ◽  
Xin Liu ◽  
Jiaqi Liu
Keyword(s):  
Unmanned Aerial Vehicle ◽  
Modeling And Control ◽  
Vehicle Modeling ◽  
Intelligent Algorithms ◽  
Aerial Vehicle ◽  
And Control
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