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Technical Paper

Feasibility of Modeling Wake Vortices in Ground Effect in a Water Tunnel

2005-10-03
2005-01-3360
The minimum height to which the filaments sink is shown to compare favorably with that predicted by numerical methods and the operational data obtained from lidar. The vortex span is shown to increase at the same rate as that estimated from an empirical model based on lidar data as well. ...The vortex span is shown to increase at the same rate as that estimated from an empirical model based on lidar data as well. Vortex rebound is observed with maximum heights comparing well with other predictions.
Magazine

Automotive Engineering: December 2023

2023-12-07
Provizio eyes safety with radar, not lidar Provizio promises its 5D Perception stack can safely compete with expensive lidar sensors at a fraction of the cost.
Technical Paper

Development of Fault Detection and Emergency Control for Application to Autonomous Vehicle

2021-04-06
2021-01-0075
Therefore, failure diagnosis is possible regardless of environmental sensors, such as radar, lidar, and camera. This paper's sensor data is the failure of Delphi's Electronically Scanning Radar (ESR) and Ibeo's LUX Lidar installed in an autonomous vehicle. ...This paper's sensor data is the failure of Delphi's Electronically Scanning Radar (ESR) and Ibeo's LUX Lidar installed in an autonomous vehicle. The emergency deceleration control algorithm employs the sliding mode control with adaptive convergence time.
Magazine

Automotive Engineering: March 2022

2022-03-01
Expanding ADAS roles for radar and cameras Evolving into lidar alternatives, the bread-and-butter sensors of ADAS are seeing potential far beyond commodity status.
Technical Paper

Scene Based Safety Functions for Pedestrian Detection Systems

2013-01-09
2013-26-0020
Data fusion of raw or preprocessed signals for several sensors (cameras, radar, lidar, ultrasonic) need to be considered as well. Accordingly, algorithms are very complex. When moving from prototypic environments to embedded systems, additional constraints must be considered.
Magazine

Automotive Engineering: March 2023

2023-03-09
Editorial The Ford we didn't know Supplier A bumpy ride to the BEV future BMW takes multi-modal route to manufacturing Lumotive's new LCM chip underpins next-gen lidar Brunswick launches all-electric marine outboard Sustainability shines in Asahi's shuttle concept Chevrolet unveils 2024 Corvette E-Ray hybrid Mazda's 2024 CX-90 offers all-new turbo I-6, PHEV propulsion Volvo's high-wire act: new EX-90 Q&A Satoki Oya, chief engineer for the fifth generation 2023 Toyota Prius, talks about radically changing the look and performance of the world's best-known hybrid - without impacting its signature efficiency.
Technical Paper

A Topological Map-Based Path Coordination Strategy for Autonomous Parking

2019-04-02
2019-01-0691
Firstly, based on the principle that parking spaces should be parallel or vertical to a corresponding path, a topological parking lot map is designed by using the point cloud data collected by LiDAR sensor. This map is consist of road node coordinates, adjacent matrix and parking space information.
Magazine

Automotive Engineering: September 2019

2019-09-01
Engineering the 2020 Chevrolet Corvette The eighth-gen (C8) Corvette is a creative mix of novel and traditional technical solutions - unleashed at a shockingly low base price. Stuck on structural adhesives As the need for lighter materials and enhanced body performance intensifies, structural adhesives flourish as a materials-joining solution. Rethinking ADAS materials New specialized thermoplastics offer greater design freedom to improve sensor performance and packaging, at reduced cost. Inside VW's expanding Silicon Valley lab The pioneering California innovation hub enters its third decade on a new wave of innovation.
Magazine

Automotive Engineering: September 2020

2020-09-01
Superlight superbike: 2021 Ducati Superleggera V4 Ducati pioneers the first street-legal production motorcycle with a full carbon-fiber chassis, as well as advanced aerodynamics. CFRP technical resources New 2020 SAE Technical papers detail current carbon-composite material developments. Virtual and physical testing of Third-Generation High Strength Steel Evaluating a new high-strength steel's ability to improve an existing stamped-steel production part. Static testing of EV components Firing nails into your latest Li-ion battery pack is but one of many regimens in the comprehensive testing of new electric vehicles.
Magazine

Automotive Engineering: August 2023

2023-08-03
3D, no waiting! Two companies' latest techniques take additive manufacturing to the next level. Reducing the battery materials supply risk "Adjacent" strategies such as improving vehicle efficiency and advancing promising chemistries can mitigate the risks associated with today's favored battery materials. A formula for real-world experience Student engineers soak up the lessons from an army of auto-industry and racing volunteers at Formula SAE Michigan. Editorial It's about more than a connector Supplier Eye The New Wild West SAE to standardize Tesla's NACS charging connector Report: Suppliers need more info sooner on OEM EV plans Mazda again producing rotary engines Toyota to build new battery lab in Michigan New Lexus SUVs: GX for show, TX for dough? VW introduces seminal ID.Buzz in three-row layout Spotlight: 3D Printing/Additive Manufacturing Equipment & Software
Magazine

Automotive Engineering: October 2017

2017-10-05
ICE Breaker! Mazda's Skyactiv-X beats the big guys to market with a promising new production engine that marries Otto and Diesel attributes. Testing mmWave radars in the loop University of Texas researchers develop a real-time HIL testbed that beats the incumbents on cost, time and flexibility. Driverless cars and freeway traffic flow Analysis shows platooning and wave damping can reduce congestion. Editorial: EVs lack a robust charging grid SAE Standards News Mobility for everyone: Automated Driving Systems Supplier Eye The future on stage at Frankfurt The Navigator Time for standard naming of safety features Developing high-energy-density batteries for EVs U.S.
Magazine

Automotive Engineering: October 2022

2022-10-01
Closing the loop on EV battery recycling Recycling battery materials is vital to the electric-vehicle future, but the way forward faces a host of hurdles. Unzipping the future of sustainable electronics In2Tec brings an innovative solution to the global e-waste problem. Keeping your silicon cool A Parker Chomerics expert shares real-world solutions for the heat-dissipation challenges in onboard electronics.
Magazine

Automotive Engineering: March 2024

2024-03-07
EV energy management powers-up Batteries get all the attention, but power-electronics developers lean into the cost equation as EV affordability concerns persist. Magna puts multiple innovations in new, more efficient 800v e-motor Better cooling and more efficient chip placement are among the techniques used to hit a new company high for efficiency: 93% Sensor fusion expanding in step with advancing vehicle sophistication An accelerating need to enable automated-driving and efficiency-enhancing features is driving sensor-fusion innovations.
Magazine

SAE Truck & Off-Highway Engineering: December 2019

2019-12-05
Heavy-duty engine design What are the most significant factors influencing the way engine developers approach near-term design and development cycles? Two experts provide their insights from recent programs. Reducing winter range loss for electric trucks Researchers at the Austrian Institute of Technology have developed an air exchange system that's capable of reducing heat load by 37% in real-world tests. Narrower focus, bigger payoff Design teams are targeting focused markets for their commercial electric-vehicle programs to combat challenges like range and infrastructure. Removing complexity for autonomous trucks Narrowing the operating domains for driverless commercial vehicles reduces the requirements of autonomous technology and speeds time to market. Plastics innovations 2019 The 49th annual SPE Automotive Awards highlight the ongoing benefits of lightweight polymers and composites.
Magazine

Automotive Engineering: June 2021

2021-06-03
Teardown Titan Munro & Associates is leading competitive analysis into the EV age - and spreading the gospel with a global YouTube fan base. Lightweight steel on a (cold) roll A newly developed high-strength steel for cold stamping aims to beat aluminum for EV battery enclosures and other vehicle applications. How EVs and their electronics stick together New adhesives play an increasingly vital role in vehicle structures, battery packs, and in protecting sensitive electronic components from extreme thermal cycling and contaminants. Editorial Farewell and thanks, Mr.
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