Supercharge Your Innovation With Domain-Expert AI Agents!

Robust wireless energy transmission method

A wireless energy transmission, robust technology, applied in the direction of electrical components, circuit devices, etc., can solve the problems affecting the transmission efficiency, to achieve the effect of maximizing the energy transmission efficiency of the system and improving the robustness

Active Publication Date: 2018-10-16
NANJING UNIV
View PDF12 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In wireless energy transfer circuits using magnetic beamforming, the accuracy of the estimation of the magnetic channel (determined by the mutual inductance between coils) largely affects the transfer efficiency of the technology

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Robust wireless energy transmission method
  • Robust wireless energy transmission method
  • Robust wireless energy transmission method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] The content of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0039] The wireless energy transfer system we consider is as figure 1 As shown, it is a multi-send-single-receive system working in a resonance state in the near field. Such as figure 2 As shown, the left side is the transmitting coil array, and the right side is the receiving coil. When establishing the circuit model diagram, in order to simplify the analysis, the cross-coupling between the coils is ignored, and only the direct coupling between the two coils is considered. It can be seen from the figure that the sending coil loop parameter is L 1 , L 2 ···L n , C 1 、C 2 ···C n , R 1 , R 2 ···R n . R L is the system equivalent load, V 1 , V 2 ···V n For the excitation power supply. Because the system works in a resonant state, in the experiment we need to tune the sending and receiving coils and have the same operating frequen...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a robust wireless energy transmission method. The robust wireless energy transmission method comprises the following steps that N transmitting coils and a receiving coil are provided, and each transmitting coil in a transmitting coil array is loaded with an alternating current signal with a fixed frequency during initialization; currents of the transmitting coils are observed in sequence, then voltages actually loaded on the transmitting coils are observed, and the observation of each transmitting coil is carried out for many times; a least-square method is utilized toobtain a least-square estimated value of mutual inductance among the transmitting coils and the receiving coil under the condition of considering an evaluated error; a lower bound of received power ofthe receiving coil is deduced and optimized to obtain the transmission efficiency of a system under the worst case, and the influence of the evaluated error on the received power is analyzed. The robust wireless energy transmission method has the advantages that the robustness of the system in practice can be improved, so that the system can maximize the received power of a receiving end under the premise of satisfying the energy constraint of a transmitting end.

Description

technical field [0001] The invention belongs to the field of wireless communication, and in particular relates to a robust wireless energy transmission method. Background technique [0002] Since mankind entered the information age, electric energy, as the main energy supply, has made great contributions to human production and life. However, traditional power transmission equipment mainly uses metal wires, and this "wired" power transmission method has many problems. For example, electric sparks are easily caused by friction or aging of lines at jacks and plugs, which greatly reduces the safety and reliability of power supply and seriously affects the life cycle of equipment. The cumbersome and bulky arrangement of wires such as data lines and power cables will also cause waste of space and increase the cost of construction and maintenance. In some special power usage occasions, such as coal mines, underwater, medical and other fields, traditional wired power transmission...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/10H02J50/40H02J50/90
CPCH02J50/10H02J50/40H02J50/90
Inventor 唐岚明强张兴敢
Owner NANJING UNIV
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com