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Dissertations / Theses on the topic 'Pneumatic suspension system'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Grobler, Jacob Frederick. "Multi-state hydro-pneumatic suspension system through the use of Magneto-Rheological (MR) valves." Diss., University of Pretoria, 2005. http://hdl.handle.net/2263/66198.

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This study is focused on modifying an existing solenoid valve based semi-active hydropneumatic spring-damper system using Magneto-Rheological (MR) fluid. The MR fluid's effective viscosity can be altered by application of a magnetic field. Therefore, using a magnetic/ MR valve makes it possible to change the state of the system by simply changing the applied magnetic field. A prototype MR valve was developed to determine whether a unit small enough for installation was possible. This prototype valve was designed from first principles and properties such as pressure drop over the valve (damping

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2

Karanja, Bethuel, and Parsa Broukhiyan. "Commercial Vehicle Air Consumption: Simulation, Validation and Recommendation." Thesis, KTH, Maskinkonstruktion (Inst.), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-209657.

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This report details the work done in a master thesis project. The project was conducted at the Brake Performance Department at Scania CV AB. The project involves the development of a numerical model (in Matlab) that calculates and predicts air consumption in a truck under different drive cycles. The report first details tests and experiments done so as to acquire the necessary information for the development of the model. The report then presents the model that was created and delves into tests that were conducted for its validation. A model is created that allows the user to select different

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3

Мамонтов, Анатолій Геннадійович. "Поліпшення показників плавності ходу та динамічної навантаженості ходових систем колісних тракторів на транспортних роботах". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/42966.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.22.02 – автомобілі та трактори. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2019 р. Дисертація присвячена поліпшенню експлуатаційних властивостей колісного трактора в агрегаті з напівпричепом при русі на транспортних режимах за рахунок обладнання переднього моста комбінованою пневморесорною підвіскою та визначення її раціональних параметрів. Для вирішення поставленої задачі в роботі проаналізовані сучасні тенденції використання колісних тракторів під час перевезення вант

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Мамонтов, Анатолій Геннадійович. "Поліпшення показників плавності ходу та динамічної навантаженості ходових систем колісних тракторів на транспортних роботах". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/42962.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.22.02 – автомобілі та трактори. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2019 р. Дисертація присвячена поліпшенню експлуатаційних властивостей колісного трактора в агрегаті з напівпричепом при русі на транспортних режимах за рахунок обладнання переднього моста комбінованою пневморесорною підвіскою та визначення її раціональних параметрів. Складено узагальнену математичну модель поздовжньо-кутових, вертикальних та поздовжніх коливань машино-тракторного агрегату на базі

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5

Woodhead, Stephen Robert. "The measurement of particle velocity and suspension density in pneumatic coal injection systems." Thesis, University of Greenwich, 1992. http://gala.gre.ac.uk/6349/.

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This thesis describes a programme of work which has been undertaken with the objective of obtaining data relating to the performance of on-line mass flow rate meters as applied to pulverised coal injection systems. Such injection systems are utilised widely in power generation, cement and steel manufacture. A technology review was carried out, incorporating an extensive literature survey. This review precipitated the conclusion that a number of techniques have been proposed, which may be applicable to the measurement under investigation. However, very little experimental verification of sensin

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6

Urban, Marek. "Návrh zavěšení kol Formule Student." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417557.

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Tato práce se se zabývá návrhem kinematiky zavěšení kol obou náprav. Na základě analýz jízdních dat, multi-body simulací v softwaru Adams Car, simulací v Matlabu a analytických kalkulací v Mathcadu, je navržena řada změn s cílem zlepšit jízdní vlastnosti vozu Formule student, tyto změny jsou následně implementovány do CAD modelu vozu. Jednotlivé změny kinematiky náprav jsou provedeny na základě analýzy konkrétního problému, který se snaží řešit. Jednou z problematik je zástavbová náročnost systému odpružení a zavěšení zadních kol, zde je cílem snížit hmotnost, výšku těžiště a moment setrvačnos

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7

shien, Yang shih, and 楊士賢. "Analysis of Hydro-Pneumatic Suspension System." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/88213656766525711312.

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碩士<br>大葉大學<br>機械工程研究所碩士在職專班<br>96<br>A heavy off-road land vehicle’s safety, ride, and handling are the mainly consideration when exercised in cross-country road. Since the traditional mechanical suspension system need to maintain controllable of vehicle, the driver and passengers have to endure the intense impact from the road. On the other hand, the pursuit of ride will be ignored by safety and handling. To explore a good suspension system installation is very important. This paper adopted hydro-pneumatic suspension system and used double A-arm suspension design institutions to discuss heavy

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8

Chen, Ying-Ting, and 陳英廷. "Dynamic and Structural Analysis of Hydro-Pneumatic Suspension System for Wheeled Heavy Vehicle." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/82986903651755985864.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>103<br>This thesis studies the dynamic and structural analysis of the hydro-pneumatic suspension of the wheeled heavy vehicle, and discussion on the performance of the new hydro-pneumatic shock absorber and the structural strength and rigidity of new design components of the suspension. From literature review, this study summarizes conventional methods in research of the suspension system, and chooses suitable simulation methods for research. In addition to the rigid body model commonly used in the literature, this study creates a flexible body model that is closer

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9

Chen, Wei-Gang, and 陳偉綱. "Design of a Grey-Prediction Adaptive Sliding-Mode Controller for Pneumatic Muscle Active Suspension System." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/39486314424681001433.

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碩士<br>龍華科技大學<br>機械工程系碩士班<br>104<br>This thesis aims at the controller design for the pneumatic muscle activate vehicle suspension system in order to provide better riding comfort and driving controllability. Since the pneumatic muscle activate vehicle suspension system is highly nonlinear and time-dependent, it is difficult to build an accurate mathematical model for the system dynamics of the controller design. Therefore, this thesis combines a finite Fourier series approximation system dynamic mathematical model with adaptive control, sliding mode control, and the H_∞ tracking technique to d

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10

Lin, Yi-Jie, and 林宜頡. "Design and Control of Active Vehicle Suspension System with the Structure of Pneumatic Muscle Actuator." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/25049030765439679362.

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碩士<br>輔仁大學<br>電機工程學系碩士班<br>104<br>This thesis firstly proposed a pneumatic road actuation system based on fuzzy logic control technique for the developed suspension test bench. The road actuation system can provide the simulated road profile for the analysis in the vehicle suspension control system. Further, the neural network (NN) is applied to learn the control parameters of fuzzy logic controller in different road surface conditions. Due to high nonlinearity and uncertainty of the utilized pneumatic actuation system in the developed road surface simulator, the genetic algorithm (GA) optimiz

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11

Li, Che-Wei, and 李哲緯. "Analysis and Optimization of Hydro-Pneumatic Suspension System and Body Structure for a Wheeled Heavy Vehicle." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/04394052716467070866.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>105<br>In this thesis, the hydro-pneumatic suspension system and body structure of the wheeled heavy vehicle are studied. Through the establishment of a set of optimization design process, to design the parameters of the suspension system for vehicle handling and comfort, as well as to optimize the design of the body structure to achieve strength requirements and enhance structural rigidity. First, according to the existing test platform to plan experiments, and then the test results are used to verify and modify the model. And, the performance of the original desig

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12

Wu, Kuo-Shien, and 吳國賢. "Adaptive Sliding Controller with Self-tuning PD Compensation for Pneumatic Muscle Active Vehicle Suspension System Control." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/99f9b3.

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碩士<br>龍華科技大學<br>電機工程系碩士班<br>107<br>The objective of this thesis was to design an adaptive sliding mode controller for use in active suspension systems with pneumatic muscle actuator (PMA) and to then conduct relevant research experiments. The PMA system is a highly nonlinear and time-variant system because of the various properties of air, such as its compressibility, low viscosity, low natural frequency, the hysteresis of proportional valve coils, zero drift, and the dead band in valve movements. Therefore, establishing a precise mathematic model based on the dynamic characteristics of the PM

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13

Genovese, Andrea. "MULTI‐PHYSICAL MODELLING AND PROTOTYPING OF AN ENERGY HARVESTING SYSTEM INTEGRATED IN A RAILWAY PNEUMATIC SUSPENSION." Tesi di dottorato, 2018. http://www.fedoa.unina.it/12581/1/Andrea_Genovese_31.pdf.

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The aim of this PhD thesis is the investigation of an energy harvesting system to be integrated in a railway pneumatic spring to recovery otherwise wasted energy source from suspension vibration. Exploiting the piezoelectric effect to convert the mechanical energy into an electrical one, the final scope consists on the use of this system to power supply one or more sensors that can give useful information for the monitoring and the diagnostics of vehicle or its subsystems. Starting from the analysis of the energy sources, a multi‐physical approach to the study of an energy harvesting system is

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14

Huang, Jun-Yi, and 黃軍毅. "Design and Control of Active Vehicle Suspension System with the Structure of Pneumatic Type for Vibration Suppression." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/11561730345062333283.

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碩士<br>龍華科技大學<br>工程技術研究所<br>101<br>This thesis aimed to apply the pneumatic muscle actuator in the active vehicle suspension system. In addition, through the quarter-car suspension system model, the active vehicle suspension system experimental model was substantially constructed, and vibration reduction and controlled performance were conducted in order to verify the feasibility of the active vehicle suspension system, using the pneumatic muscle as the actuator. In terms of system control, with the active vehicle suspension system of the quarter-car as the targeted, the interval type-2 adaptiv

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15

Su, Yuan-Shao, and 蘇垣韶. "The performance analysis of Suspension System with the structure of Pneumatic Type for Vibrating suppression of Instantaneous Impact Force." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/06877253137445721320.

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碩士<br>逢甲大學<br>機械工程學所<br>99<br>This article is about the design of a brand new type of reducing vibration system which is added an air structure onto the normal type of shock absorber. Sometimes the vehicles need to take some high impact, if we provided another protect, the external impact load of vehicles can be decreased. This system is for the situation that while the vehicle is completely off the road in the free fall, the air compress system can absorb the impact energy which cannot be absorbed by the normal type of shock absorber. In another words, when the vehicles are driven on the road

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16

LYU, YU-FONG, and 呂宇峯. "Design and Realization of an Enhanced Interval Type-2 Fuzzy Sliding Controller for Pneumatic Muscle Active Vehicle Suspension System." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/9a2utj.

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碩士<br>龍華科技大學<br>機械工程系碩士班<br>106<br>This thesis designed an intelligent controller for quarter-car pneumatic muscle active vehicle suspension systems and conducted an experimental study for the proposed controller. Pneumatic muscle servo systems are time-varying systems with high nonlinearity because of numerous factors such as the air compressibility, low viscous damping force, low natural frequency, the friction forces in the system, the valves’ nonlinear characteristics subjected to loading, the hysteresis of proportional solenoids, zero drift, and dead-zone effect during spool movement. As

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17

Zhang, Yi-Jiang, and 張藝鏹. "Adaptive Sliding-Mode Control for Pneumatic Muscle Active Vehicle Suspension Systems." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/11283863608388933797.

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碩士<br>龍華科技大學<br>工程技術研究所<br>101<br>This thesis developed a pneumatic-muscle active vehicle suspension system, and designed the controller to provide the better riding comfort and driving controllability. Due to the high nonlinearity and time-variant characteristics of the pneumatic-muscle active vehicle suspension system, it is difficult to establish an accurate dynamic mathematical model of the system to conduct the controller design. This thesis thus used the mathematical model of Haar wavelet series approximation system, along with the adaptive control, sliding mode control and tracking tec

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18

Hsu, Li-Han, and 許立翰. "Analysis and Topology of Active Hydro-Pneumatic Suspension Systems on Eight-Wheeled Vehicles." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/ppzv96.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>105<br>The purpose of this research is to investigate the relationship between the spring coefficient of the suspension and the dynamic stability and handling of a vehicle during cornering. First, we use the basic dynamic principle to compute the dynamic equations of the vehicle. The equations of motion of the system are used to observe the vehicle dynamic characteristics for different spring coefficients of the suspension. We use lateral load transfer ratio to evaluate the dynamic stability and optimal handling performance index of the vehicle to evaluate the handl

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