Projects, Thesis, Final Year Projects, IT, MBA, Seminar

ECE And EEE Project Report On ROAD ACCIDENT RECONSTRUCTION AND SIMULATION

Title: ROAD ACCIDENT RECONSTRUCTION AND SIMULATION WITH AND WITHOUT EDR DATA
Master of Science in Electrical and Computer Engineering
Project Intro: Accident reconstruction is a technical process of analyzing and calculating physical parameters, such as impact velocity and damage pro les, associated with vehicles involved in an accident. This information can be used for accident-cause analysis and visual simulation. Accident simulation is a virtual recreation of a real-life accident in order to study various aspects such as vehicle deformation, occupant injury and the capability of a vehicle to protect the occupants and pedestrians during collision. The software used to validate technical opinions of an accident reconstruction is called HVE (Human Vehicle Environment) which is created by the company EDC (Electronic Dynamics Corporation). It is a computer environment used to study in- teractions among humans, vehicles, and their environments. It consists of three parts: \Input Editors," used for creation of humans, vehicles, and environment; \Event Editor," used for actual visual simulation of an accident; and \Output or Playback Editor," used for analysis of damage data, accident history, driver data, and environment data. HVE consists of di erent calculation methods based on the application.
Project Abstract: Road accident reconstruction and simulation investigates the accident causes, suggests improvements in vehicle design and investigates failures in vehicle control and safety systems such as the anti-lock brake system (ABS) and air-bag deployment. This thesis focuses on analysis of crash data from vehicles not equipped with collision warning systems. Vehicle parameters before and during an accident can be recorded using an Event Data Recorder (EDR) which helps in reconstructing an accident. This tool, installed in the vehicle, records di erent crash parameters like vehicle speed, lateral and longitudinal acceleration, seat-belt status, and air-bag deployment over a period that spens the accident. This thesis focuses on accident reconstruction with and without EDR data. A simulation software tool called HVE is used to visually recreate the reconstructed accidents. HVE is a platform to execute di erent accident simulation methods which are used for speci c types of simulations. Two such simulation methods, EDSMAC4 and EDHIS, are discussed in this thesis. The former is an important method for vehicle-to-vehicle collisions and the latter is used for analysis of human behavior involved in the accident. Three real-life accidents were chosen for reconstruction and simulation. They were Bus and Car accident, Three Vehicle accident and Intersection accident. These particular accidents were chosen to represent a diverse selection of accidents based on the following parameters: the locations of the accidents, the vehicles involved in each accident, and the data available. A qualitative analysis of vehicle occupant's behavior is also presented for one of the three accidents. The thesis discusses in detail the reconstruction of these three accidents. Throughout these simulations, the thesis illustrates the advantages and limitations of the EDR and HVE simulation software for accident reconstruction and simulation.
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