Method for determining charging demand of electric automobile
A technology for electric vehicles and charging requirements, applied in the direction of electrical digital data processing, instruments, data processing applications, etc., can solve the problems of less consideration of the impact of driving time, neglect of charging load randomness, and difficulty in load prediction, etc., to achieve accurate The effect of the reaction
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[0037] A method for determining the charging demand of an electric vehicle according to the present invention comprises the following steps:
[0038] Step 1. Use the Markov chain to describe the change of the state of charge of the power battery during the one-day travel of the electric vehicle user.
[0039] A Markov process is a random process with no aftereffect, and a Markov process with discrete parameters and a discrete state space is called a Markov chain. Markov chain is a model describing a class of stochastic dynamic systems. It means that the state of the system at each time is random, and the state from the current time to the next time is transferred according to a certain probability. The future state is only the same as the current state. The state and its transition probability are related, but have nothing to do with the previous state, that is, there is no aftereffect. Record the current state as S i , the state at the next moment is S j , then the Markov cha
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