With the simple means of a digitized map and the wheel speed signals, it is possible to position a vehicle with an accuracy comparable to GPS. The positioning problem is a non-linear filtering problem and a particle filter has been Continue reading
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Tag: vehicle
Evaluation of Stability and Flying Qualities of a Light Unmanned Aerial Vehicle (UAV) (Mechanical Project)
The objective of this study was to evaluate the flying qualities of a light unmanned aerial vehicle (UAV) developed by the Thai company AVIA Satcom Co., Ltd. Based on the study changes in design was to be suggested to meet stability requirements and Continue reading
Development of an On-line Ride Comfort Evaluation Tool (Mechanical Project)
To produce competitive vehicles, their comfort is one important issue to take into account during the development process. The aim of this study is to develop an on-line comfort evaluation tool in order to improve research and education in the field of Continue reading
Multivariable feedback control of Electromagnetic Reluctance Force Actuators (Electrical Project)
This study is part of a cooperation between BMW AG and Technische Universitat Munchen, in order to design a road simulator for Squeak and Rattle studies based on Continue reading
Applying Model Checking for Verifying the Functional Requirements of a Scania’s Vehicle Control System (Electronics Project)
Model-based development is one of the most significant areas in recent research and development activities in the field of automotive industry. As the field of software engineering is evolving, model based development is Continue reading
Analyzing an Equivalent Single Layer Shim Model to be used for Brake Squeal Reduction (Mechanical Project)
The goal in this study was to reduce a multilayer shim model, which was modeled from steel and polymer (isotropic materials), into an equivalent single layer shim model. The procedure was to use Continue reading
Interval Based Integer Ambiguity Resolution Using Multiple Antennas: Applied to airplane attitude determination (Mechanical Project)
Finding the correct integers is the key to high precision range measurements. This has been an issue of investigation since the early 1980’s and many different techniques have been developed, none of them can guarantee to resolve the correct integers in 100% of the Continue reading
Detection of Driver Unawareness Based on Long and Short-term Analysis of Driver Lane Keeping (Electronics Project)
Many traffic accidents are caused by driver unawareness. This includes fatigue, drowsiness and distraction. In this study two systems are described that could be used to decrease the number of accidents. In the first part of this study a system using long-term information to warn drivers suffering from Continue reading
Overtake Assistance (Mechanical Project)
This study is about the development of a function that assists the driver of a heavy vehicle to do an estimation over the possibilities to overtake a preceding heavy vehicle. The function utilizes Look-Ahead and vehicle-to-vehicle communication to do a Continue reading
Sizing and Balance Module Development for Aircraft Conceptual Design (Mechanical Project)
This work was done in order to improve the capabilities in a preliminary aircraft analysis program, DIBA, at Saab Aerosystems. The areas that this was done are in the sizing and balance. One sizing tool was developed in order to make a performance analysis with the DIBA generated geometry and Continue reading
On-Board Diagnostics over Ethernet (Electronics Project)
Modern vehicles are more electrical than mechanical. As the vehicle industry goes on, more mechanical parts are being replaced by electrical components, e.g. x-by-wire. Weight and production costs could be the major factors in this revolution. To ensure the safety and Continue reading
Range Extender for the Renault Fluence Z.E.: Choice of the engine and design of the structural support (Mechanical Project)
Electric cars have appeared as an alternative to the big pollution caused by internal combustion engine cars. However, electric cars as the Renault Fluence Z.E. are not very sold in the market because of their small range of Continue reading
Car Door Opening Geometry for Enhanced Entry/Exit (Mechanical Project)
The aim of this project is to design a new concept of car doors opening mechanism which has remarkable advantage with comparison to existing mechanisms. The first step in this report and after analysing the defined problem cautiously a market analysis has been made in order to decide the Continue reading
Static and Dynamic Analysis of a Commercial Vehicle with Van Body (Mechanical Project)
A vehicle and its structural components are subjected to loads which cause stresses, strains, deflections, vibration and noise in the components. To achieve a quality vehicle, i.e. one having longer fatigue life, reduced weight, reduced cost, and so on, it becomes necessary to use Continue reading
Minimizing of Drain Leakage on a Scania Retarder (Mechanical Project)
To enhance the drivability and increase safety a major part of Scania’s vehicles is fitted with a retarder. The retarder is a complementary brake system that assists the vehicles mechanical brakes. When running a retarder some oil leakage can occur. The main source Continue reading
Wheel Corner Modules: Technology and Concept Analysis (Mechanical Project)
The wheel corner module represents a new technology for controlling the motion of a vehicle. It is based on a modular design around the geometric boundaries of a conventional wheel. The typical WCM consists of a wheel containing an electrical in-wheel Continue reading
Hydraulic Regenerative System for a Light Vehicle (Mechanical Project)
The project is based in a constructed light vehicle that must be improved by adding a hydraulic energy recovery system. This vehicle named as TrecoLiTH, participated in the Formula Electric and Hybrid competition (Formula EHI) 2009 in Italy -Rome- and won Continue reading
Robust Torque Control for Automated Gear Shifting in Heavy Duty Vehicles (Electrical Project)
In an automated manual transmission it is desired to have zero torque in the transmission when disengaging a gear. This minimizes the oscillations in the driveline which increases the comfort and makes the speed synchronization easier. The automated Continue reading
Improvement of finite element spot weld models for structural dynamics (Mechanical Project)
The ACM 2 spot weld model is the currently most widely used spot weld model in industry. It is designed to be tuned using parameters to represent the stiffness characteristics of a spot weld in a suitable way. The choice of these parameters is however Continue reading
Advanced Model of Acoustic Trim; Effect on NTF Accuracy (Mechanical Project)
The purpose of this project is to implement FEM simulations of poroelastic trim materials into Body-in-Blue models of VCC to increase the prediction accuracy, foresee and overcome possible difficulties during the process and Continue reading