CHASSIS AND VEHICLE DYNAMICS
• AEB System Requirements −− Basic driving tasks −− Basic braking tasks
system and vehicle performance will be discussed in great detail. Hands-on workshops using CARSIM TM vehicle dynamics simulation software will help reinforce the material. Significant time will also be dedicated to the use of design of experiments (DOE) as a tool to assist in the analysis and optimization of chassis systems for multiple vehicle responses. Participants should bring a scientific calculator to participate in the classroom workshops. This course has been approved by the Accreditation Commission for Traffic Accident Reconstruction (ACTAR) for 18 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. Learning Objectives By attending this seminar, you will be able to: • Apply vehicle dynamics theory to practical evaluation and measurement • Use governing state space equations and transfer functions to determine the effect of key parameters on primary ride and open loop handling • Describe the current “state-of-the-art” of vehicle dynamics CAE • Articulate various types of vehicle dynamics models • Recognize kinematics and compliance (K&C) lab tests commonly used to quantify chassis system performance • Identify and evaluate important K&C metrics used in vehicle dynamics development • Identify and utilize important vehicle tests commonly used in industry to evaluate ride, steering and handling performance • Relate chassis system characteristics to vehicle dynamic performance • Utilize vehicle dynamics CAE software for the simulation of common physical lab and vehicle tests • Apply design-of-experiments (DOE) to vehicle dynamics development Who Should Attend This seminar is designed for automotive engineers in the vehicle dynamics, chassis, suspension, steering and braking fields who work in product design, development, testing, simulation or research. Prerequisites Participants must have a working knowledge of the fundamentals of vehicle dynamics acquired through sufficient work experience or by participating in seminars such as SAE’s Vehicle Dynamics for Passenger Cars and Light Trucks (ID# 99020) or Concurrent Engineering Practices Applied to the Design of Chassis Systems (ID# 96016).
−− General system requirements −− Refined system requirements • AEB System Architecture and Decomposition −− Functional architecture - sensing systems, warning systems, actuation systems −− AEB operation modes −− Physical architecture - sensors, adaptive cruise control (ACC), body control module (BCM), and electronic stability control (ESC) ECUs • AEB System Design: Safety −− ISO 26262 framework −− Hazard analysis and risk assessment exercise −− AEB safety goals and requirements −− Safety of The Intended Function (SOTIF) Considerations • AEB System Design: Performance Objectives −− Sensing technology and implementation −− Computational objectives: AEB ECU computing platforms −− Human Machine Interface (HMI) warnings and considerations −− Actuator objectives: braking actuator control design • AEB System Test and Validation −− AEB validation objectives
−− Subsystem testing −− Vehicle level testing • Conclusions and Future Direction −− Market penetration −− Customer acceptance −− Incremental steps towards full autonomy
Instructor: Fee: $835
Eldon Leaphart
.7 CEUs
URL:
sae.org/learn/content/c1704/
Advanced Vehicle Dynamics for Passenger Cars and Light Trucks 3 Days | Classroom Seminar I.D.# C0415 This interactive seminar will take you beyond the basics of passenger car and light truck vehicle dynamics by applying advanced theory, physical tests and CAE to the assessment of ride, braking, steering and handling performance. Governing state-space equations with transfer functions for primary ride and open loop handling will be developed & analyzed. Building on the analysis of the state space equations, common physical tests and their corresponding CAE solutions for steady state and transient vehicle events will be presented. The “state-of-the-art” of vehicle dynamics CAE will be discussed. Common lab and vehicle tests and corresponding metrics used to assess chassis
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