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Method for scheduling maximum rest time of charging trolley based on relay charging model

A scheduling method and rest time technology, applied to services based on specific environments, electrical components, vehicle components, etc., can solve the problems of less research, achieve the effects of shortening charging delay, improving charging efficiency, and extending network life cycle

Active Publication Date: 2019-09-17
HANGZHOU DIANZI UNIV
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Problems solved by technology

[0004] For the wireless charging problem of the sensor network relay charging model, the current research is less

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  • Method for scheduling maximum rest time of charging trolley based on relay charging model
  • Method for scheduling maximum rest time of charging trolley based on relay charging model
  • Method for scheduling maximum rest time of charging trolley based on relay charging model

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Embodiment Construction

[0039] The present invention will be further described below in conjunction with accompanying drawing.

[0040] The present invention mainly proposes a scheduling method for maximizing the rest time of the charging car based on the relay charging model. In a wireless sensor network based on a multi-hop relay charging model, N sensors are randomly distributed in a 2D planar area of ​​LxL. Sensor nodes need to consume energy to sense, transmit and receive data. There are M charging cars in the sensor network, and the battery capacity of the charging cars is limited to E MC . The charging car starts from the base station, stops at the anchor node halfway to replenish energy and collect data for the sensor node, and finally returns to the base station. The present invention maximizes the rest time of the charging trolley by designing an efficient optimization method.

[0041] The present invention uses a multi-hop relay charging model. Due to the large charging extension of the...

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Abstract

The invention provides a method for scheduling the maximum rest time of a charging trolley based on a relay charging model. The adopted wireless sensor network is characterized in that N omnidirectional sensors, a service base station and a multi-hop charging trolley are randomly deployed in an interested 2D plane area; the method comprises the following specific steps: step 1, acquiring geographic positions and residual energy information of sensor nodes, and calculating an energy demand of each sensor node; 2, selecting anchor points of the charging trolley and a charging set of the anchor points; 3, calculating the charging time of the charging trolley at each anchor point; 4, planning a moving path for the plurality of charging trolleys; and 5, executing the anchor point splitting operation. The scheduling strategy based on the charging benefit and re-optimization is adopted, the charging delay is shortened, the charging efficiency is improved, and therefore the method can be suitable for energy supplement of the wireless sensor network with dense sensor deployment.

Description

technical field [0001] The invention relates to the field of wireless sensor networks, in particular to a scheduling method for maximizing the rest time of a charging car based on a relay charging model. Background technique [0002] The wireless sensor network is composed of many sensor nodes, and the sensor nodes have the functions of data perception, information collection, information processing and data forwarding. Due to the low cost of sensor nodes, convenient deployment, and powerful functions, wireless sensor networks have many application scenarios, such as forest fire prevention, earthquake monitoring, and environmental protection. Sensor nodes continue to consume energy to maintain normal work. In the past wireless sensor network, each sensor node is generally equipped with a button battery with limited energy and non-rechargeable. In order to maintain the continuous normal operation of the wireless sensor network, it is necessary to replace the batteries of th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/38H04W4/40H04W40/10H04W40/20H04W40/22H04W84/18G06Q10/04
CPCH04W4/38H04W4/40H04W40/10H04W40/20H04W40/22H04W84/18G06Q10/047
Inventor 徐向华马辉王然程宗毛
Owner HANGZHOU DIANZI UNIV
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