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Aiming at the path planning and tracking of a UCAV in multiple constraints dynamic condition, the mathematic model of the UCAV is built firstly and the cost function is designed. Considering the constraints, the path nodes extension method is proposed. In response to the problem of online trajectory re-planning, we put forward the 4D path planning FISAS arithmetic in order to realize on-line path...
Car-following and lane-changing models are important for traffic flow study. Some parameters in existing models are believed to be related to driver's characteristics, such as experience, age, personality, and culture. This paper conducted an experimental study to measure some key parameters of six typical driver groups characterized by their experience and attitude towards risks. Based on the measured...
Research on intelligent vehicle which based on three-dimensional terrain is the kernel of control technology. The focus of this work is to design trajectory tracking control system via state space method. We established the kinematic and dynamic models, inferred the state space equations under the condition of given parameters. Then the trajectory tracking controller and computer simulation were made...
The problem of autonomous driving and aided navigating has received increasing attention in recent years. INS/GPS integrated navigation for intelligent vehicles is developed. This system is made of GPS and INS, it is the core algorithm to make information fusion using Kalman filter. With INS aided, the navigation system has the fault-tolerant ability. Simulaton results show that the system can satisfy...
The study aims at Supermarket Distribution Problem, a mathematical model is constructed and an ant colony algorithm with tabu search is put forward. The algorithm is tested in combination with Supermarket Distribution Problem. The experimental results indicated that the algorithm solves Supermarket Distribution Problem effectively with quick convergence, avoids local optimum, high precision solution...
Accurate estimation of a wheeled vehicle is essential to increase the vehicle's tranversibility choices in rough terrain. The knowledge of slip parameters can be used in the development of higher-level strategic control of unmanned ground vehicles such as path planning, trajectory tracking and traction control. In this paper, a sliding mode observer is developed to estimate slip parameters based on...
It is an important control process to operate motion of a submergence rescue vehicle (SRV). Seeing that the motion of the submergence rescue vehicle is special, it is necessary to employ non-linear predictive control system. For this reason, continuous dynamic performance of the system, the logical components and the operative restraints are expressed as the non-linear equations of state with the...
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