The invention provides a charge control method of a wireless sensor network node The charge control method of the wireless sensor network node comprises the steps: putting forward a conception of charge sub-region priority by introducing the charge node emergency degree, partitioning a research network and preferably charging a sub-region with high emergency degree and importance degree, thereby improving the survival life of the whole WRSN; the invention discloses a charge control method of the wireless sensor network node, and relates to the technical field of wireless chargeable sensor network energy transmission and wireless communication, in particular relates to the research on the wireless sensor network charge method of a single mobile charge node; a wireless energy transfer mechanism is applied to the WRSN The conception of charge sub-region priority is put forward, the research network is partitioned, the sub-region with high emergency degree and importance degree is preferably charged, so that the survival life of the whole WRSN is improved

Charge control method of wireless sensor network node

The invention discloses a mobile energy supplementation method in a delay-constrained wireless sensor network. The mobile energy supplementation method is used in the wireless sensor network which is composed of multiple sensors, one base station and one mobile node; the access sequence of the mobile node is generated again after each round of data collection and charging tasks; and the mobile node in the new round of tasks traverses nodes in the access sequence for data collection and charging. The method of generating the access sequence of the mobile node comprises the steps of building an optimization target of a maximum specific value of charging energy consumption and mobile energy consumption and a limiting condition thereof; and obtaining the access sequence and residence time of the mobile node at each node in the access sequence by using a heuristic algorithm. According to the mobile energy supplementation method in the delay-constrained wireless sensor network, energy of sensor nodes in the network is supplemented through a wireless charging technology, charging while data collection is realized, and the life cycle of the wireless sensor network is prolonged.

Mobile energy supplementation method in delay-constrained wireless sensor network

The invention provides a charging scheduling method in a one-to-one charging mode for a wireless chargeable sensor network for magnetic coupling wireless energy transmission According to the method provided by the invention, charging scheduling of network nodes is performed by combining dump energy, positions and other information of the network nodes, and is specifically divided into a data transmission process and a charging scheduling process In the data transmission process, data transmission is performed in a "turn" circulating mode by using an uneven clustering routing transmission protocol; in the charging scheduling process, a network area is divided into different "grids", when the dump energy of the nodes in the grids are lower than a set threshold, the state information of the nodes is sent to cluster head nodes in the clusters where the nodes are located, the cluster head nodes forward the information to a SenCar node through a base station, the SenCar node judges the belonging "grids" of the nodes according to the state information of the nodes, determines the charging priority of the "grids" and the nodes according to the states, the positions and the dump energy of the nodes in the "grids", and finally determines a charging scheduling sequence of the nodes, and thus energy balance of the network nodes is realized

Charging sequence scheduling method of wireless chargeable sensor network nodes

The invention relates to a mobile energy supplement method for a wireless sensor and actuator network, and belongs to the research field of prolonging the lifetime of wireless sensor and actuator networks by using a wireless charging technology. The wireless sensor and actuator network has the advantages of perceiving, timely responding to and acting on the environment and the like. However, bothof the sensor and the actuator serving as core components of the network face the problem of energy constraint, which seriously restricts the lifetime of the network. Current work only considers the energy supplement problem of wireless sensor networks, but has not yet considered the energy supplement problem of wireless sensor and actuator networks that incorporate actuators with mobile and executive functions. The method well adapts to autonomous motion and long charging time of the actuators in the wireless sensor and actuator networks and high dynamic energy consumption characteristic caused in response to emergencies, and can ensure the energy supply of the actuators in the networks, simultaneously reduce the failure rates of sensor nodes as much as possible and maintain the long-termcontinuous operation of the entire networks.

Mobile energy supplement method for wireless sensor and actuator network

The invention discloses an on-demand charging scheduling method based on energy consumption and distance dynamic changes, and the method comprises the steps: firstly building a node energy consumptionrate prediction model; selecting a charging node based on the energy consumption rate of a sensor node and a distance between a to-be-charged part and an MC (mobile charger); building a virtual closed path to and from a service station through the charging node, judging the feasibility of the closed path through the charging path feasibility based on the noise residual energy and the energy consumption rate, carrying out the charging if the path is feasible and the residual energy of the charging node can remains till the MC is used for charging, or else reselecting the charging node; building a node adaptive charging threshold model, and switching off the MC when the charging quantity reaches the maximum threshold value; enabling the MC to return to the service station for energy supplement when the built virtual closed path is not feasible or there is no node to be charged in the network. The real-time charging path is more suitable for a network where the energy consumption dynamicchanges, so the method can obtain the better scheduling performances of the number of the survival nodes and the charging efficiency.

On-demand charging scheduling method based on energy consumption and distance dynamic changes

The invention discloses a charging method for a mobile robot in a wireless charging sensor network system. The system comprises a base station, sensor nodes with wireless power receiving devices and the mobile robot with a wireless charging function, wherein the base station is provided with a plurality of charging points. A moving strategy of the mobile robot, a network energy balance method and a sensor node data processing method are provided on this basis. Data interaction is carried out among the base station, the sensor nodes and the mobile robot in a wireless communication manner. The charging period and each charging quantity are determined according to the energy consumption state of each sensor node. The overall energy utilization efficiency is finally improved by the system; and different energy supplements are carried out on the nodes with relatively fast energy consumption and the nodes with relatively slow energy consumption, so that the network energy consumption is balanced.

Charging method for mobile robot in wireless charging sensor network system

The invention discloses a two-way wireless power transmission system and a two-way wireless power transmission method. The system comprises a power module, a two-way DC-DC converter, an inverter and rectifier module, a resonant circuit and transmission coil, and a control and communication module. The two-way DC-DC converter and the inverter and rectifier module work together to achieve two-way transmission of power. In the process of wireless charging to other systems, the two-way DC-DC converter starts a BOOST function, the inverter and rectifier module starts an inverter function, and power is transmitted to the next stage of system through the resonant circuit and coil. When other systems charge the system, power passes through the resonant circuit and coil, a rectifier function of the inverter and rectifier module and a BUCK function of the two-way DC-DC converter are started, and the power module is charged. Through wireless charging based on two-way DC-DC conversion and magnetic coupling, the charging process is more convenient and safer. The system can be added to a portable device, and direct charging can be carried out without a power line.

Two-way wireless power transmission system and two-way wireless power transmission method

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Charging method for mobile robot in wireless charging sensor network system

Two-way wireless power transmission system and two-way wireless power transmission method