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This paper discusses the reconstruction of the subsurface from radar data using a time-domain reconstruction method. Before the reconstruction is conducted, data preprocessing is carried out. The preprocessing transforms measured data transmitted and received by 3-D dipole antennas into equivalent data excited and received by 3-D ideal electric dipoles and,(More)
Driver distraction has been identified as one major cause of unsafe driving. The existing studies on cognitive distraction detection mainly focused on high-speed driving situations, but less on low-speed traffic in urban driving. This paper presents a method for the detection of driver cognitive distraction at stop-controlled intersections and compares its(More)
Three experiments were conducted to examine the effectiveness of two forward crashwarning systems, a flashing brake system and a flashing hazard system, using an advanced driving simulator. In Experiment 1, 20 subjects followed a lead vehicle with a desired time gap and braked when necessary. Results showed that time gap, velocity, and deceleration of the(More)
Eco-driving technologies are able to largely reduce the fuel consumption of ground vehicles. This paper presents how to determine the fuel-optimized operating strategies of passenger cars under cruising process. The design naturally casts into an optimal control problem with the S-shaped engine fueling rate as the integrand of cost function. The solutions(More)
Artificial neural networks are introduced in the area of grinding. There are some disadvantages in BP (Back Propagation) algorithm, such as low rate of convergence speed, easily falling into local minimum point and weak global search capability. In order to solve these problems, this paper presents a new learning algorithm that uses GA (Genetic Algorithm)(More)
Driver distraction has been identified as an important driving safety issue. However, existed studies focused less on low-speed condition, especially at intersections. This paper aims to find the impact of driver cognitive distraction on vehicle performance at stop-controlled intersections. Eight subjects (young adult: 4, older adult: 4) participated in(More)
Based on researching the shaft bearing replacer, this paper built the models of electromagnetic field and eddy current density in bearing inner race being induction heating. The regularities distribution of the electromagnetic field and eddy current density had been simulated by the software Matlab, the results of simulation not only proved the existence(More)
Negative emotions influence driving safety and possibly lead to traffic accidents. However, how to perceive negative emotions timely, release drivers from negative emotions and mitigate their potential harm to the roadway performance of drivers has not been discussed well. Listening to music is an effective way to influence driver emotion. Therefore, taking(More)
Truck drivers is a key group to promote road safety. For them, proper priority ranking scheme of content adaptation design benefits the high system effectiveness of in-vehicle driver decision support. Taking Chinese truck drivers as an example, the present study revealed the context-adaptive support information from the perspective of truck drivers; their(More)