High-speed railway infrastructure monitoring sensor network node energy management method and system

Abstract

The invention provides a management method and a system for managing the node energy of a high-speed railway infrastructure monitoring sensor network. The method comprises the steps of A, collecting the energy, and transmitting the electrical energy to an energy storage unit by an energy collection unit; B, detecting the initial energy, the transmission energy consumption and the importance of transmitted data at a node at the current moment in real time by a detection unit in the load system of the sensor network; C, aggregating the initial energy, the transmission energy consumption and the importance of transmitted data at all nodes at the current moment by an energy utilization state aggregation unit in the energy scheduling system of the sensor network, the current voltage value of the energy collection unit and the current energy value of the energy storage unit; D, according to the net remaining energy and the importance of transmitted data at each node and the timeliness requirements, determining the energy requirement weight of each node; E, according to energy requirement weight of each node, determining the energy allocated to each node, and allocating the energy to the energy storage unit at each node of the load system of the sensor network.

Description

technical field [0001] The invention relates to the field of traffic facilities, in particular to sensor network technology for monitoring traffic facilities. Background technique [0002] A sensor network is a computer network of many spatially distributed autonomous devices that use sensors to cooperatively monitor physical or environmental conditions (such as temperature, sound, vibration, pressure, motion, or pollutants) at different locations. The development of wireless sensor networks originally originated from military applications such as battlefield monitoring. Today, wireless sensor networks are used in many civilian fields, such as environmental and ecological monitoring, health monitoring, home automation, and traffic control. [0003] Nowadays, China's high-speed railway technology is developing rapidly, and the coverage rate and extension length of high-speed railway are changing with each passing day. The monitoring of high-speed railway infrastructure is al...

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Problems solved by technology

[0006] Aiming at the problem that the insufficient energy supply of wireless sensor network affects the stability of the sensor network system, the present invention studies a reasonable and effective combination of photovoltaic power generation system based on MPPT control and wireless sensor network system, and adopts the method of energy optimization management scheduling, In the case of insufficient traditional power supply, realize the efficient, continuous and stable operation of the high-speed railway infrastructure service status monitoring and detection sensor network system, and conduct real-time monitoring of the high-speed railway operation status to ensure the safe operation of the high-speed railway

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