Xuming Pei

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A robot mapping algorithm based on the gray system theory is described in this paper. The ultrasonic error model is established according to the sound wave transmission character and a gray value is defined to express the sensor data uncertainty. In this algorithm, several continuous sonar data are fused based on the gray system fusion theory in order to(More)
With the developing of low-power wireless techniques such as the micro-sensors, analog and digital electronic technology and radio frequency technology, different kinds of wireless sensor networks are widely used in the field of military, civil, medical and so on. However, in practical applications, the low-power consumption and long-distance have not been(More)
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