Study of air-cushion system modelling for semi-track air-cushion vehicle body attitude control

2014 ◽  
Vol 66 (1) ◽  
pp. 1
Author(s):  
Dong Xie ◽  
Zhe Luo ◽  
Fan Yu
Author(s):  
Hao Chen ◽  
Mingde Gong ◽  
Dingxuan Zhao ◽  
Jianxu Zhu

This paper proposes an attitude control strategy based on road level for heavy rescue vehicles. The strategy aims to address the problem of poor ride comfort and stability of heavy rescue vehicles in complex road conditions. Firstly, with the pressure of the suspension hydraulic cylinder chamber without a piston rod as the parameter, Takagi–Sugeno fuzzy controller classification and adaptive network-based fuzzy inference system controller classification are used to recognise the road level. Secondly, particle swarm optimisation is adopted to obtain the optimal parameters of the active suspension system of vehicle body attitude control under different road levels. Lastly, the parameters of the active suspension system are selected in accordance with the road level recognised in the driving process to improve the adaptive adjustment capability of the active suspension system at different road levels. Test results show that the root mean square values of vertical acceleration, pitch angle and roll angle of the vehicle body are reduced by 59.9%, 76.2% and 68.4%, respectively. This reduction improves the ride comfort and stability of heavy rescue vehicles in complex road conditions.


Author(s):  
А. Г. Гребеников ◽  
В. П. Люшнин ◽  
Т. Б. Богачева ◽  
Л. А. Мальков

In the modern world, the task of rapid delivery of goods and passengers between cities and countries is an urgent task. The "atmospheric" transport system is proposed as an alternative to the Hyperloop vacuum system in the form of an air cushion vehicle moving at a speed of 500 km / h over an overpass with an arch cover. Structurally, the device is designed as a cargo option for the rapid delivery of sea containers, and in the passenger version. The design of the device is simplified, and the risks associated with depressurization in a vacuum environment are excluded. The proposed transport is environmentally friendly and not dependent on the weather conditions of the environment. Methods are described that allow to determine the characteristics of air cushions, the parameters of the vehicle's movement along a curved path, as well as traction and energy indicators. Calculations are made on a concrete example.


1975 ◽  
Vol 12 (3-4) ◽  
pp. 201-216 ◽  
Author(s):  
R.Wingate Hill

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