Estimation technique for internal temperature of battery

One embodiment is a system for estimating an internal temperature of a battery, comprising: a first circuit for receiving a measured system input signal comprising at least one observable measurement associated with the battery, and outputting an average battery temperature signal based on the system input signal; and an estimator for receiving the system input signal and the average battery temperature signal, and estimating a current state of the battery based on the received signals, where the estimator comprises a thermal model of the battery, the thermal model comprising a plurality of model parameters. 一个实施例是一种用于估计电池的内部温度的系统，包括：第一电路，用于接收包括与所述电池相关联的至少一个可观测量的测量的系统输入信号，并基于所述系统输入信号输出平均电池温度信号；估计器，用于接收所述系统输入信号和所述平均电池温度信号，并基于所接收的信号来估计所述电池的当前状态，其中所述估计器包括所述电池的热模型，所述热模型包括多个模型参数。