SYSTEMS AND METHODS FOR DETERMINING A HEALTH STATUS OF A MONOBLOC
A method for determining a remaining life of a battery includes detecting, by a voltage sensor, multiple voltages of the battery. The method further includes detecting, by a temperature sensor, multiple temperatures corresponding to the battery. The method further includes receiving, by a processor, the multiple voltages and the multiple temperatures of the battery. The method further includes determining, by the processor, an amount of float life consumed during a float mode of the battery based on at least one of the multiple temperatures. The method further includes determining, by the processor, an amount of cycle life consumed during a discharge mode of the battery based on at least one of the multiple voltages. The method further includes calculating, by the processor, the remaining life of the battery based on at least one of the amount of float life consumed or the amount of cycle life consumed.
1 . A method for determining a remaining life of a battery, comprising:
detecting, by a voltage sensor, multiple voltages of the battery;
detecting, by a temperature sensor, multiple temperatures corresponding to the battery;
receiving, by a processor, the multiple voltages and the multiple temperatures of the battery;
determining, by the processor, an amount of float life consumed during a float mode of the battery based on at least one of the multiple temperatures;
determining, by the processor, an amount of cycle life consumed during a discharge mode of the battery based on at least one of the multiple voltages; and
calculating, by the processor, the remaining life of the battery based on at least one of the amount of float life consumed or the amount of cycle life consumed.
2 . The method of claim 1 , wherein determining the amount of float life consumed is performed without use of battery current, and determining the amount of cycle life consumed is performed without use of the battery current.
3 . The method of claim 1 , further comprising determining, by the processor, that the battery has reached the end of its useful life in response to the remaining life of the battery dropping to or below a predetermined threshold.
4 . The method of claim 1 , wherein determining the amount of float life consumed during the float mode of the battery is further based on:
a time duration at which the battery operated within each of multiple temperature ranges based on the at least one of the multiple temperatures;
temperature correction factors that correspond to each of the multiple temperature ranges; and
a design float life of the battery.
5 . The method of claim 1 , wherein determining the amount of cycle life consumed during the discharge mode of the battery is further based on:
an estimated state of charge of the battery at an end of a discharge mode;
a temperature correction factor that corresponds to a temperature of the battery at the end of the discharge mode; and
a battery design cycle life of the battery.
6 . The method of claim 1 , further comprising:
calculating, by the processor, a fraction of float life remaining based on the amount of float life consumed; and
calculating, by the processor, a fraction of battery cycle life remaining based on the amount of cycle life consumed,
wherein calculating the remaining life of the battery includes calculating a remaining float life of the battery based on the fraction of float life remaining, and calculating a remaining cycle life of the battery based on the fraction of battery cycle life remaining.
7 . The method of claim 1 , wherein calculating the remaining life of the battery includes calculating the remaining life of the battery based on whichever of the amount of float life consumed or the amount of cycle life consumed is greater.
8 . The method of claim 1 , further comprising:
determining, by the processor, the remaining life of multiple batteries that are electrically connected together; and
identifying, by the processor, a target battery of the multiple batteries to be replaced based on the remaining life of each of the multiple batteries.
9 . The method of claim 1 , further comprising outputting, by an output device, the remaining life of the battery.
10 . A system for determining a remaining life of a battery, comprising:
a voltage sensor embedded into or attached onto the battery and configured to detect multiple voltages of the battery;
a temperature sensor embedded into or attached onto the battery and configured to detect multiple temperatures corresponding to the battery; and
a processor coupled to the voltage sensor and the temperature sensor and configured to:
determine an amount of float life consumed during a float mode of the battery based on at least one of the multiple temperatures,
determine an amount of cycle life consumed during a discharge mode of the battery based on at least one of the multiple voltages, and
calculate the remaining life of the battery based on at least one of the amount of float life consumed or the amount of cycle life consumed.
11 . The system of claim 10 , wherein the processor is configured to determine the amount of float life consumed and the amount of cycle life consumed without use of battery current.
12 . The system of claim 10 , wherein the processor is further configured to determine that the battery has reached an end of its useful life in response to the remaining life of the battery dropping to or below a predetermined threshold.
13 . The system of claim 10 , wherein the processor is configured to determine the amount of float life consumed during the float mode of the battery further based on:
a time duration at which the battery operated within each of multiple temperature ranges based on the at least one of the multiple temperatures;
temperature correction factors that correspond to each of the multiple temperature ranges; and
a design float life of the battery.
14 . The system of claim 10 , wherein the processor is configured to determine the amount of cycle life consumed during the discharge mode of the battery further based on:
an estimated state of charge of the battery at an end of a discharge mode;
a temperature correction factor that corresponds to a temperature of the battery at the end of the discharge mode; and
a battery design cycle life of the battery.
15 . The system of claim 10 , wherein the processor is further configured to:
calculate a fraction of float life remaining based on the amount of float life consumed; and
calculate a fraction of battery cycle life remaining based on the amount of cycle life consumed,
wherein the processor is configured to calculate the remaining life of the battery by calculating a remaining float life of the battery based on the fraction of float life remaining, and calculating a remaining cycle life of the battery based on the fraction of battery cycle life remaining.
16 . The system of claim 10 , wherein the processor is further configured to calculate the remaining life of the battery based on whichever of the amount of float life consumed or the amount of cycle life consumed is greater.
17 . The system of claim 10 , wherein the processor is further configured to:
determine the remaining life of multiple batteries that are electrically connected together; and
identify a target battery of the multiple batteries to be replaced based on the remaining life of each of the multiple batteries.
18 . The system of claim 10 , further comprising an output device configured to output the remaining life of the battery.
19 . A method for determining a remaining life of a battery, comprising:
detecting, by a voltage sensor, multiple voltages of the battery;
detecting, by a temperature sensor, multiple temperatures of the battery;
receiving, by a processor, the multiple voltages and the multiple temperatures of the battery;
determining, by the processor, an amount of float life consumed during a float mode of the battery based on at least one of the multiple temperatures;
determining, by the processor, an amount of cycle life consumed during a discharge mode of the battery based on at least one of the multiple voltages, the at least one of the multiple voltages corresponding to an end of discharge voltage;
calculating, by the processor, the remaining life of the battery based on at least one of the amount of float life consumed or the amount of cycle life consumed;
determining, by the processor, that the battery has reached an end of its useful life in response to the remaining life of the battery dropping to or below a predetermined threshold; and
outputting, by an output device, at least one of information indicating that the battery has reached the end of its useful life, the remaining life of the battery, or an identifier of the battery.
20 . The method of claim 19 , wherein:
determining the amount of float life consumed during the float mode of the battery is further based on:
a time duration at which the battery operated within each of multiple temperature ranges based on the at least one of the multiple temperatures,
temperature correction factors that correspond to each of the multiple temperature ranges, and
a design float life of the battery; and
determining the amount of cycle life consumed during the discharge mode of the battery is further based on:
an estimated state of charge of the battery,
a temperature correction factor that corresponds to a temperature of the battery at the end of the discharge mode, and
a battery design cycle life of the battery.