Magnetic resonance type wireless charging system parameter design method based on artificial bee colony algorithm

Abstract

The invention discloses a magnetic resonance type wireless charging system parameter design method based on an artificial bee colony algorithm. The method comprises the following steps: establishing a magnetic resonance type wireless charging system mutual inductance equivalent circuit model; calculating self-inductance and mutual inductance of receiving and transmitting coils which are coaxially and parallelly coupled; improving a basic artificial bee colony algorithm; and establishing a wireless charging system parameter multi-target optimization model, and solving. According to the invention, mutual inductance equivalent modeling is performed on a magnetic resonance type wireless charging system to obtain a calculation formula of transmission efficiency and load power; through calculation of self-inductance and mutual inductance of receiving and transmitting coils in coaxial parallel coupling, the coupling tightness is optimal when the radius ratio of the receiving and transmitting coils is 1; and a basic artificial bee colony algorithm is improved to improve the convergence speed and the target accuracy, and the parameters of the wireless charging system are optimally designed on the basis, so that the output power of the system is improved to the maximum extent on the premise of ensuring the long enough transmission distance and the high transmission efficiency.

Description

technical field [0001] The invention relates to the research field of magnetic resonance wireless charging, in particular to a parameter design method of a magnetic resonance wireless charging system based on an artificial bee colony algorithm. Background technique [0002] According to the transmission mode, wireless charging technology mainly includes four types: electromagnetic induction, radio wave, electric field coupling and magnetic coupling resonance. Magnetic Coupling Resonant Wireless Charging Technology (MCR-WCT), referred to as magnetic resonance wireless charging, refers to the method of using the principle of electromagnetic resonance strong coupling to realize wireless energy transmission. Due to its advantages such as long transmission distance, high transmission power, strong penetrability, and low dependence on media, magnetic resonance wireless charging has gradually become the main research direction in the field of wireless charging. [0003] Common mag...

AI Technical Summary

Problems solved by technology

[0004] At present, the design of key circuits and parameters of the magnetic resonance wireless charging system mostly depends on experience, and mainly uses simulation and experiment to compare the system energy transmission characteristics under different parameters. The data is limited and the efficiency is low. It is necessary to reserve more relevant parameters according to the requirements of performance indicators. Large safety margin, resulting in an increase in circuit design costs

Images