提高车辆静止状态下车身液位控制系统的精度和耐久性

Q3 Engineering

Diagnostyka Pub Date : 2022-09-21 DOI:10.29354/diag/154793

Y. Savchenko, M. Mykhalevych, P. Droździel, V. Verbitskiy, R. Wrona

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引用次数: 1

摘要

气动悬架在许多汽车上的应用越来越广泛。控制车身水平是气动悬架的主要功能。介绍了适合汽车液位控制系统设计与建模的气动弹簧特性的实验确定。气动弹簧的特性决定了控制系统的质量。通过实验确定了在车身对齐过程中，由于热交换对气压和垂直力的影响，气动弹簧内部温度变化的影响。此外，通过建模评估了水平变化对车体传热的影响。提出了一种新颖的控制车身升降的方法。该方法以能量平衡为基础，是减少电动气动阀行程数的基础。由于使用气缸中的压力传感器间接考虑了这种影响，因此由于温度效应而引起的阀体液位变化被调平。压缩空气的温度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Accuracy and durability increasing of the body level control systems in the immobile state of the vehicle

Pneumatic suspension is increasingly used in many cars. Control of a car body level is the main function of the pneumatic suspension. The experimental determination of the pneumatic spring characteristics suitable for the design and modeling of the car level control system is presented. The characteristics of the pneumatic spring are determined, that determine the quality of the control system. The effect of temperature changes inside the pneumatic spring is experimentally determined due to heat exchange on air pressure and vertical force during alignment of the car body. In addition, through modeling is evaluated by changing the level of the car body due to the impact of heat transfer. An original method of controlling the lifting and lowering of the vehicle body is proposed. The method is based on the energy balance and is the basis for reducing the number of strokes of the electropneumatic valve. The change in the level of the body due to the temperature effect is leveled due to the indirect consideration of this effect using the pressure sensor in the cylinder. of compressed air temperature.

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来源期刊

Diagnostyka Engineering-Mechanical Engineering

CiteScore

2.20

自引率

0.00%

发文量

期刊介绍： Diagnostyka – is a quarterly published by the Polish Society of Technical Diagnostics (PSTD). The journal “Diagnostyka” was established by the decision of the Presidium of Main Board of the Polish Society of Technical Diagnostics on August, 21st 2000 and replaced published since 1990 reference book of the PSTD named “Diagnosta”. In the years 2000-2003 there were issued annually two numbers of the journal, since 2004 “Diagnostyka” is issued as a quarterly. Research areas covered include: -theory of the technical diagnostics, -experimental diagnostic research of processes, objects and systems, -analytical, symptom and simulation models of technical objects, -algorithms, methods and devices for diagnosing, prognosis and genesis of condition of technical objects, -methods for detection, localization and identification of damages of technical objects, -artificial intelligence in diagnostics, neural nets, fuzzy systems, genetic algorithms, expert systems, -application of technical diagnostics, -diagnostic issues in mechanical and civil engineering, -medical and biological diagnostics with signal processing application, -structural health monitoring, -machines, -noise and vibration, -analysis of technical and civil systems.