39 Dokumente gefunden

Development and validation of a vehicle corner test rig designed for hardware-in-the-loop testing

Many original equipment manufacturers and Tier 1 suppliers have recently proposed various vehicle corner concepts. This technology offers numerous benefits for enhancing vehicle dynamics but presents several challenges. Field testing of the corners installed on a vehicle demonstrator could be an ideal…
Setúbal: SCITEPRESS, 2025

Enhancing wheel vertical displacement estimation in road vehicles through integration of model-based estimator with artificial…

In the automotive industry, the accurate estimation of wheel displacements is crucial for optimizing vehicle suspension systems. Traditional model-based approaches often face challenges in accurately predicting these displacements due to the complex dynamics of the road-vehicle interaction. To address…
[New York, NY]: IEEE, 2024-07-19

Development and evaluation of artificial neural networks for real-world data-driven virtual sensors in vehicle suspension

Vehicle comfort, handling, and stability can be improved by a semi-active suspension with advanced control algorithms using the vertical velocities of the sprung mass (SM) and the unsprung masses (UMs) as inputs. Displacement and acceleration sensors are often used to estimate vertical velocities of…
New York, NY: Institute of Electrical and Electronics Engineers (IEEE), 2024-01-22

Review of integrated chassis control techniques for automated ground vehicles

aus: Sensors
Integrated chassis control systems represent a significant advancement in the dynamics of ground vehicles, aimed at enhancing overall performance, comfort, handling, and stability. As vehicles transition from internal combustion to electric platforms, integrated chassis control systems have evolved to…
Basel: MDPI, 2024-01-17

Self-adapting motion cueing algorithm based on a kinematics reference model

Due to a number of advantages over traditional development methods, the importance of dynamic driving simulators in automotive research and development has grown continuously in recent years. Motion simulation via motion cueing algorithms contributes significantly to the driving experience and provides…
Ilmenau: ilmedia, 2023-11-02

Extending teleoperated driving using a shared X-in-the-loop environment

The strong progress in modern vehicle system technology requires new methodological approaches for the development and validation of new vehicle systems. In particular, due to increasing automation, classical development methods and testing scenarios need to be evolved. Consequently, the publication…
Ilmenau: ilmedia, 2023-11-02

Nutzung verschiedener Methoden des maschinellen Lernens zur Regelung von Fahrzeugsystemen

Die Steuerung fahrzeugtechnischer und nicht-fahrzeugtechnischer Systeme wird mit zunehmender Vernetzung und Digitalisierung in ihrer Komplexität weiter zunehmen. Die an vielen Stellen manuelle Parametrierung dieser Systeme stößt dabei zunehmend bezüglich Zeit und Kosten an ihre Grenzen. Seit 2010, als…

Distributed validation and testing of EV systems : results of the European project XILforEV

The presented study addresses the methodology for building distributed test platforms that support the design of electric vehicle (EV) systems and the validation of their functionality. The platforms are implemented in the form of an X-in-the-loop (XIL) architecture and may include multiple test setups…
CERN: CERN, 2023-05-22

Regenerative brake controller based on vehicle behavior prediction

The braking function of an electric vehicle can be implemented with both friction brakes and electric motors, which require a suitable control strategy for their coordinated operation. Many previous studies on this topic have focused on conventional serial or parallel brake control strategies. In this…
Genève: CERN, 2023-05-22

Investigations on the energy saving potential of X-by-wire chassis systems and advanced integrated control strategies

This paper describes real-world driving tests with a battery-electric sport utility vehicle equipped with innovative chassis actuators such as high-torque in-wheel machines and a hybrid brake-by-wire (BBW) system tailored specifically for electric vehicles. In addition, the vehicle incorporates a new…
Genève: CERN, 2023-05-22

Methodology for virtual prediction of vehicle-related particle emissions and their influence on ambient PM10 in an urban…

aus: Atmosphere
As a result of rising environmental awareness, vehicle-related emissions such as particulate matter are subject to increasing criticism. The air pollution in urban areas is especially linked to health risks. The connection between vehicle-related particle emissions and ambient air quality is highly complex.…
Basel, Switzerland: MDPI AG, 2022-11-18

Hardware-in-the-loop testing of a hybrid brake-by-wire system for electric vehicles

Recent trends in automotive engineering, such as electrification and automatization, are opening chances as well as challenges due to the increased demand on new chassis components (e.g., drivetrain, brakes, steering, suspension, etc.) and control methods. This fast-growing market requires new methods…
Warrendale, PA, USA: SAE International, 2022-10-13

Analysis of TRWP particle distribution in urban and suburban landscapes, connecting real road measurements with particle…

aus: Atmosphere
This article deals with methods and measurements related to environmental pollution and analysis of particle distribution in urban and suburban landscapes. Therefore, an already-invented sampling method for tyre road wear particles (TRWP) was used to capture online emission factors from the road. The…
Basel, Switzerland: MDPI AG, 2022-07-30

Electric vehicle corner architecture: driving comfort evaluation using objective metrics

The presented paper is dedicated to the driving comfort evaluation in the case of the electric vehicle architecture with four independent wheel corners equipped with in-wheel motors (IWMs). The analysis of recent design trends for electrified road vehicles indicates that a higher degree of integration…
Warrendale, Pa.: Soc., 2022-03-29

Towards brand-independent architectures, components and systems for next generation electrified vehicles optimised for the…

E-mobility is a game changer for the automotive domain. It promises significant reduction in terms of complexity and in terms of local emissions. With falling prices and recent technological advances, the second generation of electric vehicles (EVs) that is now in production makes electromobility an…
Warrendale, Pa.: SAE International, 2022-03-29

Feasibility of a neural network-based virtual sensor for vehicle unsprung mass relative velocity estimation

aus: Sensors
With the automotive industry moving towards automated driving, sensing is increasingly important in enabling technology. The virtual sensors allow data fusion from various vehicle sensors and provide a prediction for measurement that is hard or too expensive to measure in another way or in the case of…
Basel: MDPI, 2021-10-27

Variability of gravel pavement roughness: an analysis of the impact on vehicle dynamic response and driving comfort

Gravel pavement has lower construction costs but poorer performance than asphalt surfaces on roads. It also emits dust and deforms under the impact of vehicle loads and ambient air factors; the resulting ripples and ruts constantly deepen, and therefore increase vehicle vibrations and fuel consumption,…
Basel: MDPI, 2021-08-18

Advanced electric vehicle components for long-distance daily trips

This paper introduces a holistic engineering approach for the design of an electric sport utility vehicle focused on the reliable capability of long-distance daily trips. This approach is targeting integration of advanced powertrain and chassis components to achieve energy-efficient driving dynamics…

Fail-safe study on brake blending control

Battery electric vehicles (BEV) share the ability of regenerative braking since they are equipped with two independent types of deceleration devices, namely the electric motor working as a generator and the friction brakes. Correct interaction of these systems in terms of driving safety and energy efficiency…
Warrendale, Pa.: SAE International, 2021-04-06

E-mobility-opportunities and challenges of integrated corner solutions

E-mobility is a game changer for the automotive domain. It promises significant reduction in terms of complexity and in terms of local emissions. With falling prices and recent technological advances, the second generation of electric vehicles (EVs) that is now in production makes electromobility an…
Warrendale, Pa.: SAE International, 2021-04-06