Detail kurzu
The Fundamentals of Vehicle Dynamics
EDU Trainings s.r.o.
Popis kurzu
This course addresses the motor vehicle as a system. By increasing your knowledge of the primary mechanics for all modes of performance, you’ll better appreciate how to optimize the overall vehicle. This will allow you to predict performance of a given design early in the design process, identify the conflicts in designing for optimal performance in different modes, and set directions for design changes that will improve performance of a given mode.
This on-demand course featuring vehicle dynamics expert and best-selling author, Thomas D. Gillespie, provides a broad overview of vehicle performance, including engineering analyses and formulas that will allow you to calculate useful performance metrics. The goal of this course is to provide you with the tools to predict the performance of a car or truck in accelerating/braking, ride, and handling/rollover. In the process, you’ll come to understand the basic mechanisms and engineering principles that govern steering and suspension system design, as well as develop familiarity with the terminology.
This course has been approved by the Accreditation Commission for Traffic Accident Reconstruction (ACTAR) for 16 Continuing Education Units (CEUs). Upon completion of this seminar, accredited reconstructionists should mail a copy of their course certificate and the $5 student CEU fee to ACTAR, PO Box 1493, North Platte, NE 69103.
Objectives
By participating in this on-demand course, you’ll be able to:
Determine how wheel loads on a vehicle relate to center of gravity location loading, aerodynamic forces, road grade, trailer towing forces, and acceleration, braking and cornering
Describe how the powertrain and brake systems work to produce longitudinal acceleration and deceleration, and how these are influenced by powertrain type and traction limits
Explain the basic mechanics of road load resistance forces arising from aerodynamics and tire rolling resistance
Explain the basics of ride and how to design a vehicle and tune suspensions for good ride
Examine the physics of turning to understand low speed maneuverability and the mechanics of high-speed cornering quantified by the understeer gradient
Explain the tire, suspension, and steering system properties that account for understeer
Review the principle types of suspensions, their attributes, and how each functions
Describe the primary architectural features of a steering system
Explain the primary mechanisms involved in the vehicle rollover process
Obsah kurzu
Module I: Introduction[Total Run Time: 24 minutes]
Coordinate systems used to describe vehicle behavior
Calculating wheel loads based on vehicle load, acceleration, road grades, aerodynamics and trailer towing forces
Module II: Acceleration
[Total Run Time: 1 hour, 10 minutes]
Typical engine performance characteristics
Functional model of the drive train
Mapping the tractive force as a function of speed and gear
Calculating tractive force at drive wheels for traction-limited performance
Modeling traction limits on solid axles due to lateral load transfer
Module III: Braking
[Total Run Time: 1 hour, 35 minutes]
Basic equations for calculating deceleration and stopping distance
Advantages and disadvantages of disc and drum brakes
Overview of global braking regulations
A process for designing and proportioning a brake system for optimal performance
Anti-lock brake (ABS) systems
A means for evaluating the efficiency of the brake system under diverse conditions
Module IV: Road Loads
[Total Run Time: 1 hour, 30 minutes]
Aerodynamics
Mechanics of air flow over the car
Governing equations for forces and moments acting on the vehicle and typical values
Practical consequences of aerodynamics acting on the car
Sources of tire rolling resistance and sensitivity to operating conditions
Typical values of rolling resistance
Overview of the primary sources of energy losses on the vehicle affecting fuel consumption
Module V: Ride
[Total Run Time: 2 hours, 45 minutes]
Ride performance
Basic mechanisms responsible for ride excitation
Rigid-body ride models and metrics
Suspension design factors influencing ride
Measurement and evaluation of ride
Module VI: Cornering
[Total Run Time: 2 hours, 45 minutes]
Basics of handling
Low speed turning, off-tracking and maneuverability
Ackerman steering and relationship to turning behavior
Cornering properties of the tires in high speed turning
Steer angle relationship to radius of turn and lateral acceleration
Concept of understeer gradient
Understeer gradient relationship to the yaw rate and lateral acceleration gains
Critical speed, characteristic speed, sideslip angle, and static margin
Module VII: Suspensions
[Total Run Time: 1 hour, 50 minutes]
Suspension effects on handling
Influences on handling arising from roll moment distribution, camber change, roll steer, lateral force compliance steer, aligning moment and steering compliance
Constant radius and constant speed methods for measurement of understeer gradient
Suspension design and analysis
Performance requirements for suspensions
Principle types of suspensions and how each functions
Solid axle suspensions Independent suspension types
Roll center concept and roll center influence on vehicle behavior
Mechanics of anti-dive and anti-squat
Module VIII: Steering
[Total Run Time: 2 hours, 10 minutes]
Steering systems
Typical architecture of the gearbox and rack and pinion steering systems
Geometry of the steering linkages acting in combination with the suspension
Different types of steering geometry errors affecting drift, wander, pulls and roll steer
Geometry of the steering axis at the road wheels relating to caster, kingpin inclination, and offset at the ground
Forces and moments acting on tires
Influence of front wheel drive on steering behavior
Advantages of four-wheel steer systems
Module IX: Rollover
[Total Run Time: 1 hour, 20 minutes]
Mechanics of the rollover process
Rollover metrics – static stability factor, tilt table ratio
Principles for rollover mitigation by electronic stability and roll stability controls
Rollover test procedures — the Fishhook, FMVSS 126 and UN/EXE 13 regulations
Materials Provided
90 days of online single-user access (from date of purchase)
17-hour presentation
Nine video modules (see Topics/Outline tab)
Integrated knowledge checks to reinforce key concepts
Course handbook (downloadable, .pdf’s)
Online learning assessment (submit to SAE)
Follow up to your content questions
1.8 CEUs*/Certificate of Achievement (upon completion of all course content and a score of 70% or higher on the learning assessment)
*SAE International is authorized by IACET to offer CEUs for this course.
Hodnotenie
Organizátor
EDU Trainings s.r.o.
Táborská 619/46, Praha 4 - Nusle
Vzdělávací centrum EDU Trainings nabízí rozsáhlé portfolio vzdělávacích služeb v oblasti IT v České a Slovenské republice. Najdete u nás certifikovaná školení od předních světových společností jako jsou Red Hat, Microsoft, Micro Focus a další, a to nejen v tradiční prezenční podobě, ale také jako virtuální nebo On-Demand školení.
Mimo to organizujeme zajímavé semináře, webináře či online diskuze a poskytujeme certifikační testy v autorizovaném testovacím centru Pearson VUE a PEOPLECERT. Testy a certifikace těchto společností jsou celosvětově uznávané. Školení pro IT specialisty, technický personál i manažery jsou vedena odbornými certifikovanými lektory s bohatými praktickými zkušenostmi. Účastníci našich kurzů získávají potřebné znalosti, které jím pomohou zlepšit procesy v IT, zefektivnit projekty a ušetřit jejich čas. Dokážeme pomoci firmám k maximálnímu využití technologií, a tím i ke zvýšení konkurenceschopnosti na trhu. Školení dodáváme v českém, slovenském a anglickém jazyce, vybrané kurzy i v němčině a španělštině. Prioritou Vzdělávacího centra EDU Trainings je dodávka kvalitního vzdělání odpovídajícího aktuálním trendům a požadavkům trhu, které splňuje nároky zákazníka a umožňuje mu jeho další růst.
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