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In order to reduce vehicle rollover accident occurred, the paper presents a model-based vehicle anti-rollover control strategy - fuzzy control, fuzzy control in this paper, based on the combined knowledge of vehicle dynamics to build a simple rollover of the vehicle model, and rotating shift table on fuzzy rules were optimized. The initial fuzzy control table through access to experienced drivers,...
For the application of ALV (automatic land vehicle) running in a dynamic environment, an improved dynamic RRT (rapidly exploring random trees) path planning algorithm is proposed. The algorithm combines the noholonomic constraints of the vehicle with double extend RRTs, and the three order B-spline basic functions are used to approach and create a new smooth route which suits for the vehicle to follow...
The rapid fusion and integration of road network and dynamic traffic data is vital for real-time road vehicle navigation. Yet current navigation electronic map and geographical information systems (GIS) are not well adapted to the real-time dynamic traffic navigation data integration and integrated Spatio-temporal database manipulation. This paper brought forward the principles, methodologies, integrative...
The paper develops a web-based system for dynamic vehicle routing problem. After proposing the architecture of the system, we develop a dynamic route evaluation model for modeling the responses of vehicles to real-time traffic information, and use a hybrid optimization algorithm to plan the routes of vehicles in dynamic network. The input data of the system includes route attributes provided via a...
The real-time decision problems play a more and more important role in many areas such as the logistic distribution. This paper is focused on the Dynamic Vehicle Routing Problem with Time Windows (DVRPTW) in the context of real-time traffic information. The travel times are based on a time-dependent model in which the travel speeds are step functions. This model is enriched with an exponential smoothing...
This paper shows how real-time optimisation for actuator coordination, known as control allocation, can be a viable choice for heavy vehicle motion control systems. For this purpose, a basic stability control system implementing the method is presented. The real-time performance of two different control allocation solvers is evaluated and the use of dynamic weighting is analysed. Results show that...
Emergency service vehicles need safety and fluent paths to save time. In this paper, a centralized traffic control mechanism is proposed for the evacuation of vehicles that drive toward the dedicated path of the emergency vehicles (EV), e.g. ambulance, fire engines, police cars, etc, using the dedicated short range communications (DSRC) protocol. In our proposed mechanism, a centralized server is...
To avoid it happening that the correctness of created model and developed simulation software on calculating the response time of ABS is partially verified by the experiment result, based on the structure of a typical ABS, the calculation models of the controllable characteristic and mechanical characteristic were created, and the simulation calculation software was developed. The current characteristic...
This paper describes the design and execution of a hardware-in-the-loop (HIL) simulation system as an integral part of various autonomous driving programs. The intent of this work is to design and develop a laboratory environment to support the development, test and verification of many functions and algorithms related to sensor-guided autonomous driving. The focus is on extending conventional HIL...
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