BS ISO 19380:2019 - Heavy Commercial Vehicles and Buses

Discover the essential standard for measuring the center of gravity in heavy commercial vehicles and buses with the BS ISO 19380:2019. This comprehensive document provides detailed methodologies for conducting axle lift, tilt-table, and stable pendulum test methods, ensuring precision and safety in vehicle design and operation.

Overview

The BS ISO 19380:2019 standard is a critical resource for engineers, manufacturers, and safety inspectors involved in the automotive industry, particularly those working with heavy commercial vehicles and buses. Released on September 2, 2019, this standard outlines the procedures necessary to accurately measure the center of gravity, a key factor in vehicle stability and safety.

Key Features

• Standard Number: BS ISO 19380:2019
• Pages: 38
• ISBN: 978 0 580 90388 5
• Status: Standard

Importance of Center of Gravity Measurements

The center of gravity (CoG) is a crucial aspect of vehicle dynamics, affecting handling, stability, and safety. For heavy commercial vehicles and buses, understanding and accurately measuring the CoG is vital to prevent rollovers and ensure optimal performance. The BS ISO 19380:2019 standard provides the necessary guidelines to achieve these measurements with precision.

Test Methods Included

This standard includes three primary test methods:

1. Axle Lift Test: This method involves lifting the vehicle's axle to determine the CoG by analyzing the vehicle's response to the lift.
2. Tilt-Table Test: A tilt-table is used to gradually incline the vehicle until it reaches a tipping point, allowing for the calculation of the CoG based on the angle of tilt.
3. Stable Pendulum Test: This test uses a pendulum setup to simulate the vehicle's movement and determine the CoG through dynamic analysis.

Who Should Use This Standard?

The BS ISO 19380:2019 is indispensable for:

• Automotive Engineers: Ensuring vehicle designs meet safety and performance standards.
• Manufacturers: Implementing precise CoG measurements in production processes.
• Safety Inspectors: Verifying compliance with safety regulations and standards.
• Research Institutions: Conducting studies on vehicle dynamics and safety.

Benefits of Compliance

Adhering to the BS ISO 19380:2019 standard offers numerous benefits, including:

• Enhanced Safety: Accurate CoG measurements help prevent accidents and improve vehicle stability.
• Regulatory Compliance: Meet industry regulations and standards, avoiding potential legal issues.
• Improved Performance: Optimize vehicle design for better handling and efficiency.
• Market Advantage: Demonstrate commitment to quality and safety, enhancing brand reputation.

Conclusion

The BS ISO 19380:2019 standard is an essential tool for anyone involved in the design, manufacturing, or inspection of heavy commercial vehicles and buses. By providing clear and precise methodologies for measuring the center of gravity, this standard ensures that vehicles are safe, stable, and compliant with industry regulations. Whether you are an engineer, manufacturer, or safety inspector, incorporating this standard into your processes will enhance safety, performance, and compliance.

BS ISO 19380:2019

This standard BS ISO 19380:2019 Heavy commercial vehicles and buses. Centre of gravity measurements. Axle lift, tilt-table and stable pendulum test methods is classified in these ICS categories:

• 43.080.01 Commercial vehicles in general

1

This document describes a standard method for measuring a vehicle’s longitudinal and lateral (horizontal plane) centre of gravity (CG) positions and three methods for estimating a vehicle’s vertical CG position, the axle lift, tilt-table, and stable pendulum methods. It applies to heavy vehicles, that is commercial vehicles and buses as defined in ISO 3833 (trucks and trailers with maximum weight above 3,5 tonnes and buses and articulated buses with maximum weight above 5 tonnes, according to ECE and EC vehicle classification, categories M3, N2, N3, O3 and O4). CG measurements are performed separately for each single unit.