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Ordered charging and discharging control method considering user evaluation based on fuzzy control technology

A charge and discharge control and user evaluation technology, applied in the field of orderly charge and discharge control, can solve problems such as disaster of dimensionality, high requirements for communication and computing capabilities, etc.

Active Publication Date: 2020-09-18
ZHEJIANG UNIV OF TECH
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  • Application Information

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Problems solved by technology

However, its planning is very dependent on the accuracy of forecast information. Many complex real-time control algorithms that have been proposed so far require high communication and computing capabilities. Facing the rapid growth of electric vehicle access, there is a problem of "dimension disaster". risks of

Method used

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  • Ordered charging and discharging control method considering user evaluation based on fuzzy control technology
  • Ordered charging and discharging control method considering user evaluation based on fuzzy control technology
  • Ordered charging and discharging control method considering user evaluation based on fuzzy control technology

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Embodiment Construction

[0104] The present invention will be further described below in conjunction with the accompanying drawings.

[0105] refer to Figure 1 to Figure 8 , a method for orderly charge and discharge control of electric vehicles based on fuzzy control considering user evaluation, comprising the following steps:

[0106] S1: Construct an orderly charging and discharging framework based on fuzzy control, establish electric vehicle charging and discharging models, battery loss models, obtain data such as guiding electricity prices, V2G response periods, and V2G subsidies from distribution network operators, and initialize the fuzzy controller at the same time;

[0107] S2: Set the control period as 24 hours, and discretize it into N periods, and the time interval is At the beginning of each period, the EV control terminal obtains necessary information such as the scheduled departure time of newly connected electric vehicles, battery status, user evaluation parameters, and grid load sta...

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Abstract

The invention discloses an electric vehicle ordered charging and discharging control method considering user evaluation based on fuzzy control. The method comprises the following steps: S1, constructing an ordered charging and discharging framework based on fuzzy control; S2, the EV control terminal acquiring new access state information at the beginning stage of each time period; S3, sequentiallybringing all the electric vehicles into a queue waiting for obtaining a next-stage charging and discharging instruction according to the time sequence; S4, comparing a calculation result of the fuzzycontroller with a set constraint condition, and making a charging and discharging plan of the target electric vehicle again based on the constraint condition; S5, if the queue is emptied, uploading the updated power grid load state to a distribution network operator and waiting for the start of the next control time period; and S6, determining whether the ordered charging and discharging controltasks of all the control time periods in one day have been completed or not at present, and if so, ending the charging and discharging control task of the day. According to the method, the user evaluation is improved, and the purposes of reducing the power grid load fluctuation rate and performing peak clipping and valley filling are further achieved.

Description

technical field [0001] The invention belongs to the technical field of electric vehicles and relates to an orderly charging and discharging control method based on fuzzy control and considering user evaluation. Background technique [0002] With the depletion of fossil fuels and the continuous enhancement of people's awareness of environmental protection, electric vehicles (Electric Vehicle, EV), as an efficient and clean means of transportation, are becoming more and more popular. At present, China's electric vehicle market is developing rapidly. In 2018, the number of electric vehicles in China exceeded 2 million, and it is growing at a rate of doubling every year. Large-scale electric vehicles connected to the power grid and charged in disorder will bring huge pressure to the original distribution network equipment and pose challenges to the stable operation of the distribution network. Electric vehicles with V2G (Vehicle-to-Grid) capabilities and connected to the grid t...

Claims

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Application Information

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IPC IPC(8): H02J3/32H02J3/38B60L53/60G06Q50/06
CPCH02J3/32H02J3/381B60L53/60G06Q50/06Y02T10/70Y02T10/7072Y02T90/12
Inventor 周文委陈竹张有兵周丹
Owner ZHEJIANG UNIV OF TECH
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