VICTORY: A New Approach to Automated Vehicle Testing

2018 ◽  
Author(s):  
Travis Thompson ◽  
Kase Saylor
Keyword(s):  
New Approach ◽  
Automated Vehicle ◽  
Vehicle Testing

scholarly journals A New Approach to Unwanted-Object Detection in GNSS/LiDAR-Based Navigation

Sensors ◽  
2018 ◽  
Vol 18 (8) ◽  
pp. 2740 ◽  
Author(s):  
Mathieu Joerger ◽  
Guillermo Duenas Arana ◽  
Matthew Spenko ◽  
Boris Pervan
Keyword(s):  
Prediction Algorithm ◽  
Prior Work ◽  
New Approach ◽  
Preliminary Testing ◽  
Automated Vehicle ◽  
New Methods ◽  
Risk Bound ◽  
Safety Risks ◽  
Integrity Risk ◽  
The Impact

In this paper, we develop new methods to assess safety risks of an integrated GNSS/LiDAR navigation system for highly automated vehicle (HAV) applications. LiDAR navigation requires feature extraction (FE) and data association (DA). In prior work, we established an FE and DA risk prediction algorithm assuming that the set of extracted features matched the set of mapped landmarks. This paper addresses these limiting assumptions by incorporating a Kalman filter innovation-based test to detect unwanted object (UO). UO include unmapped, moving, and wrongly excluded landmarks. An integrity risk bound is derived to account for the risk of not detecting UO. Direct simulations and preliminary testing help quantify the impact on integrity and continuity of UO monitoring in an example GNSS/LiDAR implementation.

scholarly journals Traffic Scenarios for Automated Vehicle Testing: A Review of Description Languages and Systems

Machines ◽  
2021 ◽  
Vol 9 (12) ◽  
pp. 342
Author(s):  
Jing Ma ◽  
Xiaobo Che ◽  
Yanqiang Li ◽  
Edmund M.-K. Lai
Keyword(s):  
Automated Vehicles ◽  
Domain Specific Languages ◽  
Automated Vehicle ◽  
Domain Specific ◽  
The Past ◽  
Traffic Scenario ◽  
Description Languages ◽  
Vehicle Testing ◽  
Further Development

Testing and validation of the functionalities and safety of automated vehicles shifted from a distance-based to a scenario-based method in the past decade. A number of domain-specific languages and systems were developed to support scenario-based testing. The aim of this paper is to review and compare the features and characteristics of the major scenario description languages and systems (SDLS). Each of them is designed for different purposes and with different goals; therefore, they have their strengths and weaknesses. Their characteristics are highlighted with an example nontrivial traffic scenario that we designed. We also discuss some directions for further development and research of these SDLS.

scholarly journals Technical Specification Methodology for an Automotive Proving Ground Dedicated to Connected and Automated Vehicles

2017 ◽  
Vol 45 (3) ◽  
pp. 168 ◽  
Author(s):  
Zsolt Szalay ◽  
Ádám Nyerges ◽  
Zoltán Hamar ◽  
Mátyás Hesz
Keyword(s):  
Road Safety ◽  
Technical Specification ◽  
Road Transport ◽  
Automated Vehicles ◽  
New Approach ◽  
Disruptive Technologies ◽  
Assistant Systems ◽  
Vehicle Testing ◽  
Near Future ◽  
Specification Methodology

Today’s vehicles already have several driver assistant systems and in the near future highly automated vehicles will also appear in road transport. Higher automation levels rely on disruptive technologies that cannot be tested and approved in the former way. To be able to guarantee future road safety also disruptive testing and validation methods are required. The complexity of the systems and the stochasticity of the potential traffic situations demand new approaches with different testing levels and approval layers. Since there are no off-the-self solutions available beyond the research the authors also participate in international activities like the Gear 2030 EU level initiative. This paper will discuss the proposed new approach for connected and automated vehicle testing methodology concluding with the technical specification results for the new Hungarian automotive proving ground.

Design and Evaluation of a Free-Hand VR-based Authoring Environment for Automated Vehicle Testing

2021 ◽  
Author(s):  
Sevinc Eroglu ◽  
Frederic Stefan ◽  
Alain Chevalier ◽  
Daniel Roettger ◽  
Daniel Zielasko ◽  
...  
Keyword(s):  
Automated Vehicle ◽  
Authoring Environment ◽  
Vehicle Testing

The O–C diagrams of minor planets − a new approach to modelling the rotation

1999 ◽  
Vol 173 ◽  
pp. 185-188
Author(s):  
Gy. Szabó ◽  
K. Sárneczky ◽  
L.L. Kiss
Keyword(s):  
Error Analysis ◽  
Time Dependence ◽  
Theoretical Work ◽  
Minor Planet ◽  
Minor Planets ◽  
New Approach ◽  
Preliminary Results ◽  
Ccd Observations

AbstractA widely used tool in studying quasi-monoperiodic processes is the O–C diagram. This paper deals with the application of this diagram in minor planet studies. The main difference between our approach and the classical O–C diagram is that we transform the epoch (=time) dependence into the geocentric longitude domain. We outline a rotation modelling using this modified O–C and illustrate the abilities with detailed error analysis. The primary assumption, that the monotonity and the shape of this diagram is (almost) independent of the geometry of the asteroids is discussed and tested. The monotonity enables an unambiguous distinction between the prograde and retrograde rotation, thus the four-fold (or in some cases the two-fold) ambiguities can be avoided. This turned out to be the main advantage of the O–C examination. As an extension to the theoretical work, we present some preliminary results on 1727 Mette based on new CCD observations.

A New Approach to the Demonstration of Oxidase-Localization Using Tannic Acid Or Catechin

1973 ◽  
Vol 31 ◽  
pp. 698-699
Author(s):  
V. Mizuhira ◽  
Y. Futaesaku
Keyword(s):  
Cross Section ◽  
Tannic Acid ◽  
Elastic Fiber ◽  
The Other ◽  
New Approach ◽  
Tissue Block ◽  
Active Reaction ◽  
The Cross

Previously we reported that tannic acid is a very effective fixative for proteins including polypeptides. Especially, in the cross section of microtubules, thirteen submits in A-tubule and eleven in B-tubule could be observed very clearly. An elastic fiber could be demonstrated very clearly, as an electron opaque, homogeneous fiber. However, tannic acid did not penetrate into the deep portion of the tissue-block. So we tried Catechin. This shows almost the same chemical natures as that of proteins, as tannic acid. Moreover, we thought that catechin should have two active-reaction sites, one is phenol,and the other is catechole. Catechole site should react with osmium, to make Os- black. Phenol-site should react with peroxidase existing perhydroxide.

Processing Immunoperoxidase Labeled Cell Monolayers and Cryostat Sesctions For Electron Microscopy

1985 ◽  
Vol 43 ◽  
pp. 714-715
Author(s):  
K. Chien ◽  
R. Van de Velde ◽  
I.P. Shintaku ◽  
A.F. Sassoon
Keyword(s):  
Cell Monolayer ◽  
Cell Types ◽  
Surface Antigens ◽  
Immunoperoxidase Method ◽  
Reaction Step ◽  
Hot Plate ◽  
Air Drying ◽  
New Approach ◽  
Cell Monolayers ◽  
Glass Slides

Immunoelectron microscopy of neoplastic lymphoma cells is valuable for precise localization of surface antigens and identification of cell types. We have developed a new approach in which the immunohistochemical staining can be evaluated prior to embedding for EM and desired area subsequently selected for ultrathin sectioning.A freshly prepared lymphoma cell suspension is spun onto polylysine hydrobromide- coated glass slides by cytocentrifugation and immediately fixed without air drying in polylysine paraformaldehyde (PLP) fixative. After rinsing in PBS, slides are stained by a 3-step immunoperoxidase method. Cell monolayer is then fixed in buffered 3% glutaraldehyde prior to DAB reaction. After the DAB reaction step, wet monolayers can be examined under LM for presence of brown reaction product and selected monolayers then processed by routine methods for EM and embedded with the Chien Re-embedding Mold. After the polymerization, the epoxy blocks are easily separated from the glass slides by heatingon a 100°C hot plate for 20 seconds.

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