Enhancement Of Lateral Stability For A Multi Wheeled Combat Vehicle Using Various Control Strategies

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Enhancement of Lateral Stability for a Multi-wheeled Combat Vehicle Using Various Control Strategies

Author : Mohamed Omar
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)

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Book Synopsis Enhancement of Lateral Stability for a Multi-wheeled Combat Vehicle Using Various Control Strategies by : Mohamed Omar

Download or read book Enhancement of Lateral Stability for a Multi-wheeled Combat Vehicle Using Various Control Strategies written by Mohamed Omar and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis investigates various active chassis control strategies for multi-wheeled combat vehicle to enhance its lateral stability at limit handling. The proposed control strategies are Active All- Wheel Steering (AWS), Torque Vectoring (TV) and Differential Braking (DB). At high-speed cornering maneuvers, the vehicle experiences higher load transfer which can lead to a loss of the grip between the tires and the ground. Consequently, deterioration of vehicle handling capability can occur. Hence, integration of Semi-Active Suspension (SAS) is introduced to each control strategy to enhance the vehicle's lateral stability at high-speed cornering maneuvers. The evaluation method is conducted by executing the simulations utilizing a validated TRUCKSIM vehicle model in co-simulation with the proposed controllers in MATLAB SIMULINK. Based on the results obtained, it was concluded that the integration of SAS has a significant enhancement on the vehicle lateral stability at a high coefficient of friction, unlike at a low coefficient of friction.

Integrated Chassis Control Strategies for Multi-wheel Combat Vehicle

Author : Moataz Aboelfadl Ahmed
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)

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Book Synopsis Integrated Chassis Control Strategies for Multi-wheel Combat Vehicle by : Moataz Aboelfadl Ahmed

Download or read book Integrated Chassis Control Strategies for Multi-wheel Combat Vehicle written by Moataz Aboelfadl Ahmed and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combat vehicles are exposed to high risks due to their high ground clearance and nature of operation in harsh environments. This requires robust stability controllers to cope with the rapid change and uncertainty of driving conditions on various terrains. Moreover, it is required to enhance vehicle stability and increase safety to reduce accidents' fatality probability. This research focuses on investigating the effectiveness of different lateral stability controllers and their integration in enhancing the cornering performance of an 8x8 combat vehicle when driving at limited handling conditions. In this research, a new Active Rear Steering (ARS) stability controller for an 8x8 combat vehicle is introduced. This technique is extensively investigated to show its merits and effectiveness for human and autonomous operation. For human operation, the ARS is developed using Linear Quadratic Regulator (LQR) control method, which is compared with previous techniques. Furthermore, the controller is extended and tested for working in a rough and irregular road profile using a novel adaptive Integral Sliding Mode Controller (ISMC). In the case of autonomous operation, a frequency domain analysis is conducted to show the benefits of considering the steering of the rear axles in the path-following performance at different driving conditions. The study compared two different objectives for the controller; the first is including the steering of the rear axles in the path-following controller, while the second is to integrate it as a stability controller with a front-steering path-following controller. In addition, this research introduces a novel Differential Braking (DB) controller. The proposed control prevents the excessive use of braking forces and consequently the longitudinal dynamic's deterioration. Besides, it introduces an effective DB controller with less dependency and sensitivity to the reference yaw model. Eventually, two various Integrated Chassis Controllers (ICC) are developed and compared. The first is developed by integrating the ISMC-ARS with the DB controller using a fuzzy logic controller. The second ICC integrates the ISMC-ARS with a developed robust Torque Vectoring Controller (TVC). This integration is designed based on a performance map that shows the effective region of each controller using a new technique based on Machine Learning (ML).

Modelling and Control of Mechatronic and Robotic Systems

Author : Alessandro Gasparetto
Publisher : MDPI
ISBN 13 : 3036511229
Total Pages : 404 pages
Book Rating : 4.0/5 (365 download)

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Book Synopsis Modelling and Control of Mechatronic and Robotic Systems by : Alessandro Gasparetto

Download or read book Modelling and Control of Mechatronic and Robotic Systems written by Alessandro Gasparetto and published by MDPI. This book was released on 2021-09-02 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Currently, the modelling and control of mechatronic and robotic systems is an open and challenging field of investigation in both industry and academia. The book encompasses the kinematic and dynamic modelling, analysis, design, and control of mechatronic and robotic systems, with the scope of improving their performance, as well as simulating and testing novel devices and control architectures. A broad range of disciplines and topics are included, such as robotic manipulation, mobile systems, cable-driven robots, wearable and rehabilitation devices, variable stiffness safety-oriented mechanisms, optimization of robot performance, and energy-saving systems.

Ride Control Strategies for Multi-wheeled Combat Support Vehicles

Author : Andrew Jonathan Deakin
Publisher :
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.:/5 (118 download)

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Book Synopsis Ride Control Strategies for Multi-wheeled Combat Support Vehicles by : Andrew Jonathan Deakin

Download or read book Ride Control Strategies for Multi-wheeled Combat Support Vehicles written by Andrew Jonathan Deakin and published by . This book was released on 2001 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Development of H∞ Control Strategy for a Multi-wheeled Combat Vehicle

Author : Peter D'Urso
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)

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Book Synopsis Development of H∞ Control Strategy for a Multi-wheeled Combat Vehicle by : Peter D'Urso

Download or read book Development of H∞ Control Strategy for a Multi-wheeled Combat Vehicle written by Peter D'Urso and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A vehicle dynamics controller for an 8 x 8 heavy combat vehicle utilising both torque vectoring and third and fourth axle steering is propoed. The control scheme is composed of two controllers: a feedforward zero side slip (ZSS) controller actuates the third and fourth axle steering angles and a two DOF LPV H∞ controller that monitors steering wheel angle and yaw rate error and uses both the rear axle steering and torque vectoring is used at speeds above 40 kph. Gaussian distribution functions are used to switch from one controller to the other. The proposed control scheme is evaluated by using a validated TruckSim model in co-simulation with Simulink. Various standard events are used for testing. Two road friction coefficients are used, 0.35 and 0.85 μ at speeds between 40 and 100 kph. The proposed control system is able to greatly improve vehicle stability at high speeds and/or low friction and increase maneuverability at lower speeds and/or higher friction surfaces by decreasing vehicle response time delays and reducing steering wheel effort. A turning circle reduction of 30% was also obtained.

Enhancement of Lateral Stability of Car-trailer Systems Using Model-reference Adaptive Control

Author : Smitha Vempaty
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)

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Book Synopsis Enhancement of Lateral Stability of Car-trailer Systems Using Model-reference Adaptive Control by : Smitha Vempaty

Download or read book Enhancement of Lateral Stability of Car-trailer Systems Using Model-reference Adaptive Control written by Smitha Vempaty and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Car-Trailer (CT) systems exhibit reduced maneuverability in curved-path negotiations and display low lateral stability under high-speed evasive maneuvers. Therefore, the objective of this thesis is to design a Lyapunov-Stability-based Model Reference Adaptive Controller (MRAC) for an active trailer steering system to enhance the lateral stability of CT systems considering parametric uncertainties and unknown dynamics of the actuator. To this end, a reference model is designed using a 3-DOF (degrees of freedom) linear CT model with active trailer steering; the virtual vehicle, i.e., the nonlinear CT model with 22-DOF, is developed in CarSim software; the MRAC controller is constructed in Simulink/MATLAB. To explore the robustness of the Lyapunov-Stability-based MRAC controller with respect to uncertainties, co-simulations are carried out by integrating the virtual CT developed in CarSim, the reference model and MRAC controller designed in Simulink/MATLAB. Simulations reveal that the proposed controller adapts to external disturbances and parametric variations very well. Specifically, the research leads to the insightful finding that the adaptive controller based active trailer steering system can effectively improve the lateral stability of CT systems, and the proposed design methodology will provide a valuable guideline for the development of advanced active safety systems for CT systems in the future.

Road and Off-Road Vehicle Dynamics

Author : Moustafa El-Gindy
Publisher : Springer Nature
ISBN 13 : 3031362160
Total Pages : 469 pages
Book Rating : 4.0/5 (313 download)

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Book Synopsis Road and Off-Road Vehicle Dynamics by : Moustafa El-Gindy

Download or read book Road and Off-Road Vehicle Dynamics written by Moustafa El-Gindy and published by Springer Nature. This book was released on 2023-07-10 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces and provides a detailed understanding of on- and off-road vehicle dynamics. It discusses classical on-road tyre mechanics, including finite element tyre modelling and validation, using a combination of theoretical and experimental data sets. Chapters explore new computational techniques that describe terrain models and combined to develop better off-road vehicle models, and focus is placed on terrain characterization and modelling, using two popular modelling techniques, as well as performance characteristics of off-road vehicles - including rolling and driven combinations, traction, and steering. The effect of multi-pass and soil compaction on tyre performance is described as well. The book presents a unique neuro-tyre model for both on-road and off-road situations, capable of computing the steering, braking characteristics, and soil compaction. Road vehicle characteristics are described, including the stability and control, roll centre and roll axis, and rollover mechanics. The road vehicle braking performance is also described, including the brake components, choice of brake, and the transient load transfer. Finally, the dynamics and control of multi-wheel combat vehicles are presented and described extensively. The book is dedicated to undergraduate and graduate engineering students, in addition to researchers, and the automotive industry. As well as provide the readers with a better understanding of vehicle dynamics and soil mechanics. The book is also beneficial for automotive industries looking for a quick and reliable model to be implemented in their main software.

Annual Index/abstracts of SAE Technical Papers

Author :
Publisher :
ISBN 13 :
Total Pages : 1000 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Annual Index/abstracts of SAE Technical Papers by :

Download or read book Annual Index/abstracts of SAE Technical Papers written by and published by . This book was released on 2006 with total page 1000 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applied Mechanics Reviews

Author :
Publisher :
ISBN 13 :
Total Pages : 354 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Applied Mechanics Reviews by :

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1993 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Robust Control Design with MATLAB®

Author : Da-Wei Gu
Publisher : Springer Science & Business Media
ISBN 13 : 9781852339838
Total Pages : 832 pages
Book Rating : 4.3/5 (398 download)

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Book Synopsis Robust Control Design with MATLAB® by : Da-Wei Gu

Download or read book Robust Control Design with MATLAB® written by Da-Wei Gu and published by Springer Science & Business Media. This book was released on 2005-06-20 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shows readers how to exploit the capabilities of the MATLAB® Robust Control and Control Systems Toolboxes to the fullest using practical robust control examples.

Introduction to Aircraft Flight Mechanics

Author : Thomas R. Yechout
Publisher : AIAA
ISBN 13 : 9781600860782
Total Pages : 666 pages
Book Rating : 4.8/5 (67 download)

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Book Synopsis Introduction to Aircraft Flight Mechanics by : Thomas R. Yechout

Download or read book Introduction to Aircraft Flight Mechanics written by Thomas R. Yechout and published by AIAA. This book was released on 2003 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a 15-year successful approach to teaching aircraft flight mechanics at the US Air Force Academy, this text explains the concepts and derivations of equations for aircraft flight mechanics. It covers aircraft performance, static stability, aircraft dynamics stability and feedback control.

Electric and Hybrid Vehicles

Author : Amir Khajepour
Publisher : John Wiley & Sons
ISBN 13 : 111840310X
Total Pages : 506 pages
Book Rating : 4.1/5 (184 download)

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Book Synopsis Electric and Hybrid Vehicles by : Amir Khajepour

Download or read book Electric and Hybrid Vehicles written by Amir Khajepour and published by John Wiley & Sons. This book was released on 2014-03-05 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: An advanced level introductory book covering fundamental aspects, design and dynamics of electric and hybrid electric vehicles There is significant demand for an understanding of the fundamentals, technologies, and design of electric and hybrid electric vehicles and their components from researchers, engineers, and graduate students. Although there is a good body of work in the literature, there is still a great need for electric and hybrid vehicle teaching materials. Electric and Hybrid Vehicles: Technologies, Modeling and Control – A Mechatronic Approach is based on the authors’ current research in vehicle systems and will include chapters on vehicle propulsion systems, the fundamentals of vehicle dynamics, EV and HEV technologies, chassis systems, steering control systems, and state, parameter and force estimations. The book is highly illustrated, and examples will be given throughout the book based on real applications and challenges in the automotive industry. Designed to help a new generation of engineers needing to master the principles of and further advances in hybrid vehicle technology Includes examples of real applications and challenges in the automotive industry with problems and solutions Takes a mechatronics approach to the study of electric and hybrid electric vehicles, appealing to mechanical and electrical engineering interests Responds to the increase in demand of universities offering courses in newer electric vehicle technologies

Technical Literature Abstracts

Author : Society of Automotive Engineers
Publisher :
ISBN 13 :
Total Pages : 626 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Technical Literature Abstracts by : Society of Automotive Engineers

Download or read book Technical Literature Abstracts written by Society of Automotive Engineers and published by . This book was released on 1994 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Tire and Vehicle Dynamics

Author : Hans Pacejka
Publisher : Elsevier
ISBN 13 : 0080970176
Total Pages : 649 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Tire and Vehicle Dynamics by : Hans Pacejka

Download or read book Tire and Vehicle Dynamics written by Hans Pacejka and published by Elsevier. This book was released on 2012-04-12 with total page 649 pages. Available in PDF, EPUB and Kindle. Book excerpt: The definitive book on tire mechanics by the acknowledged world expert - Covers everything you need to know about pneumatic tires and their impact on vehicle performance, including mathematic modeling and its practical application - Written by the acknowledged world authority on the topic and the name behind the most widely used model, Pacejka's 'Magic Formula' - Updated with the latest information on new and evolving tire models to ensure you can select the right model for your needs, apply it appropriately and understand its limitations In this well-known resource, leading tire model expert Hans Pacejka explains the relationship between operational variables, vehicle variables and tire modeling, taking you on a journey through the effective modeling of complex tire and vehicle dynamics problems. Covering the latest developments to Pacejka's own industry-leading model as well as the widely-used models of other pioneers in the field, the book combines theory, guidance, discussion and insight in one comprehensive reference. While the details of individual tire models are available in technical papers published by SAE, FISITA and other automotive organizations, Tire and Vehicle Dynamics remains the only reliable collection of information on the topic and the standard go-to resource for any engineer or researcher working in the area. - New edition of the definitive book on tire mechanics, by the acknowledged world authority on the topic - Covers everything an automotive engineer needs to know about pneumatic tires and their impact on vehicle performance, including mathematic modelling and its practical application - Most vehicle manufacturers use what is commonly known as Pacejka's 'Magic Formula', the tire model developed and presented in this book

Heavy-Duty Wheeled Vehicles

Author : Boris Nikolaevich Belousov
Publisher : SAE International
ISBN 13 : 0768080681
Total Pages : 579 pages
Book Rating : 4.7/5 (68 download)

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Book Synopsis Heavy-Duty Wheeled Vehicles by : Boris Nikolaevich Belousov

Download or read book Heavy-Duty Wheeled Vehicles written by Boris Nikolaevich Belousov and published by SAE International. This book was released on 2014-01-27 with total page 579 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heavy-duty wheeled vehicles (HDWVs) are all-wheel-drive vehicles that carry 25 tons or more and have three or more axles. They transport heavy, bulky cargo such as raw minerals, timber, construction materials, pre-fabricated modules, weapons, combat vehicles, and more. HDWVs are used in a variety of industries (mining, logging, construction, energy) and are critical to a country’s economy and defense. These vehicles have unique development requirements due to their high loads, huge dimensions, and specific operating conditions. Hauling efficiencies can be improved by increasing vehicle load capacity; however capacities are influenced by legislation, road limits, and design. Designing HDWVs differs from other multi-purpose all-wheel-drive vehicles. The chassis must be custom-designed to suit the customer’s particular purpose. The number of axles is another variable, as well as which ones are driving and which are driven. Tires are also customizable. Translated by SAE from Russian, this book narrates the history of HDWVs and presents the theory and calculations required to design them. It summarizes results of the authors’ academic research and experience and presents innovative technical solutions used for electric and hydrostatic transmissions, steering systems, and active safety of these vehicles. The book consists of three parts. Part one covers HDWV design history and general design methods, including basic vehicle design, and evaluating HDWV use conditions. Part one also covers general operation requirements and consumer needs, and a brief analysis of structural components of existing HDWVs and prototypes. Part two outlines information needs for designing HDWVs. Part three reviews basic theory and calculation of innovative technical solutions, as well as special requirements for component parts. This comprehensive title provides the following information about HDWVs: • History of design and manufacture. • Manufacturers’ summary design data. • Background data on sample vehicles. • Component calculation examples. • Overview of motion theory, which is useful in design and placement of bulky cargo.

Field Artillery Manual Cannon Gunnery

Author : Department of the Army
Publisher :
ISBN 13 : 9781975605674
Total Pages : 664 pages
Book Rating : 4.6/5 (56 download)

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Book Synopsis Field Artillery Manual Cannon Gunnery by : Department of the Army

Download or read book Field Artillery Manual Cannon Gunnery written by Department of the Army and published by . This book was released on 2017-08-19 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: Training Circular (TC) 3-09.81, "Field Artillery Manual Cannon Gunnery," sets forth the doctrine pertaining to the employment of artillery fires. It explains all aspects of the manual cannon gunnery problem and presents a practical application of the science of ballistics. It includes step-by-step instructions for manually solving the gunnery problem which can be applied within the framework of decisive action or unified land operations. It is applicable to any Army personnel at the battalion or battery responsible to delivered field artillery fires. The principal audience for ATP 3-09.42 is all members of the Profession of Arms. This includes field artillery Soldiers and combined arms chain of command field and company grade officers, middle-grade and senior noncommissioned officers (NCO), and battalion and squadron command groups and staffs. This manual also provides guidance for division and corps leaders and staffs in training for and employment of the BCT in decisive action. This publication may also be used by other Army organizations to assist in their planning for support of battalions. This manual builds on the collective knowledge and experience gained through recent operations, numerous exercises, and the deliberate process of informed reasoning. It is rooted in time-tested principles and fundamentals, while accommodating new technologies and diverse threats to national security.

Feedback Systems

Author : Karl Johan Åström
Publisher : Princeton University Press
ISBN 13 : 069121347X
Total Pages : pages
Book Rating : 4.6/5 (912 download)

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Book Synopsis Feedback Systems by : Karl Johan Åström

Download or read book Feedback Systems written by Karl Johan Åström and published by Princeton University Press. This book was released on 2021-02-02 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The essential introduction to the principles and applications of feedback systems—now fully revised and expanded This textbook covers the mathematics needed to model, analyze, and design feedback systems. Now more user-friendly than ever, this revised and expanded edition of Feedback Systems is a one-volume resource for students and researchers in mathematics and engineering. It has applications across a range of disciplines that utilize feedback in physical, biological, information, and economic systems. Karl Åström and Richard Murray use techniques from physics, computer science, and operations research to introduce control-oriented modeling. They begin with state space tools for analysis and design, including stability of solutions, Lyapunov functions, reachability, state feedback observability, and estimators. The matrix exponential plays a central role in the analysis of linear control systems, allowing a concise development of many of the key concepts for this class of models. Åström and Murray then develop and explain tools in the frequency domain, including transfer functions, Nyquist analysis, PID control, frequency domain design, and robustness. Features a new chapter on design principles and tools, illustrating the types of problems that can be solved using feedback Includes a new chapter on fundamental limits and new material on the Routh-Hurwitz criterion and root locus plots Provides exercises at the end of every chapter Comes with an electronic solutions manual An ideal textbook for undergraduate and graduate students Indispensable for researchers seeking a self-contained resource on control theory