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Method and device for establishing predictive aging state trajectory of electrical energy store
The invention relates to a method, in particular an at least partially computer-implemented method, for modeling a trend function of an aging state of a device battery (12) and for determining a remaining service life on the basis of the trend function, comprising the following steps: providing a trend function for the aging state, the one or more sub-functions (TF1, TF2, TF3 and TF4) are dependent on one another and are provided with parameters; continuously or periodically determining (S2) the respective current aging state at a specific time; if it is found (S4) that a deviation in terms of absolute value between the current aging state and the extrapolated value of the trend function for the specific time exceeds a predefined threshold value, the current aging state is determined by using (S5) three or more than three of the latest aging states. In order to parameter another sub-function (TF1, TF2, TF3, TF4) adjoining the provided trend function at the transition point of the oldest utilized aging state; and notifying (S6) the trend function.
Owner:ROBERT BOSCH GMBH
Method and device for generating predictive aging state trajectories of electrical energy storage devices
The invention relates to a method, in particular at least partially computer-implemented methods, for modeling a progression function of an aging state of a device battery (12) and for determining a remaining service life based on the progression function; comprising the following steps: - Providing a trend function for the aging state with one or more interconnected parameterized subfunctions (TF1, TF2, TF3, TF4); - continuous or regular determination (S2) of current aging states at specific times; - upon detection (S4) of a magnitude deviation between the current aging state and an extrapolated value of the progression function for the specific time above a specified threshold, use (S5) three or more than three of the most recent aging states to parameterize a further subfunction (TF1, TF2, TF3, TF4) that connects to the provided progression function at a transition point of the oldest used aging state; and - Signaling (S6) the trend function.
Owner:ROBERT BOSCH GMBH
Method and apparatus for predicting a change profile of an aging state of a device battery based on user individualized load distribution
The invention relates to a method for predicting a battery aging state profile based on a user individualized load profile, comprising: - determining a current aging state value at an evaluation time, - providing at least one prediction value for the aging state from the current load profile by means of the current value, - providing a predicted aging state trajectory for the aging state based on the current aging state value and the at least one prediction value, - determining a further current aging state value at a later evaluation time, - providing at least one further aging state prediction value from the current load profile with the further current aging state value, and - performing the steps: - providing a further predicted aging state trajectory with the further current aging state value and the at least one further prediction value, - providing the further predicted aging state trajectory as the predicted aging state profile, if the deviation of the prediction value on the predicted aging state trajectory from the further current aging state value at the further aging state value evaluation time is greater than a predetermined threshold value.
Owner:ROBERT BOSCH GMBH
Method and apparatus for determining a predicted progression of an aging state of battery modules of a battery pack for reuse applications
UndeterminedDE102024212223A1Electrical testingSecondary cells charging/dischargingElectrical batteryCurrent age
Owner:ROBERT BOSCH GMBH