Hybrid battery control system architecture systems and methods
First Claim
1. A battery system comprising:
- a first battery string comprising a first battery module and a second battery module connected in series, wherein the first battery module comprises a plurality of battery cells; and
a battery control system configured to control operation of the battery system, wherein the battery control system comprises;
a first cell control unit electrically coupled to the first battery module, wherein;
the first cell control unit is configured to determine first module level operational parameters related to operation of the first battery module; and
the first battery module comprises a housing that houses the plurality of battery cells and the first cell control unit, wherein the first cell control unit does not include a microprocessor or an isolation barrier;
a second cell control unit electrically coupled to the second battery module, wherein the second cell control unit is configured to determine second module level operational parameters related to operation of the second battery module;
a first string control unit communicatively coupled to the first cell control unit and the second cell control unit, wherein the first string control unit is configured to;
determine first string level operational parameters related to operation of the first battery string based at least in part on the first module level operational parameters and the second module level operational parameters; and
control operation of the first battery string based at least in part on the first string level operational parameters; and
a system control unit communicatively coupled to the first string control unit, wherein the system control unit is configured to;
determine system level operational parameters related to operation of the battery system based at least in part on the first string level operational parameters; and
control operation of the battery system based at least in part on the system level operational parameters.
5 Assignments
0 Petitions
Accused Products
Abstract
One embodiment of the present disclosure describes a battery system that includes a battery string with a first and second battery module; and a battery control system. The battery control system includes a first cell control that determines first module level operational parameters related to operation of the first battery module; a second cell control that determines second module level operational parameters related to operation of the second battery module; a string control unit communicatively that determines string level operational parameters related to operation of the battery string based at least in part on the first and second module level operational parameters; and a system control unit that determines system level operational parameters related to operation of the battery system based at least in part on the string level operational parameters; and controls operation of the battery system based at least in part on the system level operational parameters.
-
Citations
21 Claims
-
1. A battery system comprising:
-
a first battery string comprising a first battery module and a second battery module connected in series, wherein the first battery module comprises a plurality of battery cells; and a battery control system configured to control operation of the battery system, wherein the battery control system comprises; a first cell control unit electrically coupled to the first battery module, wherein; the first cell control unit is configured to determine first module level operational parameters related to operation of the first battery module; and the first battery module comprises a housing that houses the plurality of battery cells and the first cell control unit, wherein the first cell control unit does not include a microprocessor or an isolation barrier; a second cell control unit electrically coupled to the second battery module, wherein the second cell control unit is configured to determine second module level operational parameters related to operation of the second battery module; a first string control unit communicatively coupled to the first cell control unit and the second cell control unit, wherein the first string control unit is configured to; determine first string level operational parameters related to operation of the first battery string based at least in part on the first module level operational parameters and the second module level operational parameters; and control operation of the first battery string based at least in part on the first string level operational parameters; and a system control unit communicatively coupled to the first string control unit, wherein the system control unit is configured to; determine system level operational parameters related to operation of the battery system based at least in part on the first string level operational parameters; and control operation of the battery system based at least in part on the system level operational parameters. - View Dependent Claims (2, 3, 4)
-
-
5. A method for implementing a battery control system used to control operation of a battery system, comprising:
-
implementing a cell control unit to be used to determine first operational parameters related to operation of a battery module by; communicatively coupling a first analog-to-digital converter to a first sensor communication interface to enable the cell control unit to receive a first analog representation of first sensor data from a first sensor and generate a first digital representation of the first sensor data; communicatively coupling logic circuitry to the first analog-to-digital converter to enable the logic circuitry to perform a logic operation, an arithmetic operation, or both based at least in part on the first digital representation of the first sensor data; and communicatively coupling a first serial communication interface to the logic circuitry to enable the cell control unit to communicate data within the battery control system via a first serial communication network; and implementing a string control unit to be used to control operation of a battery string comprising the battery module by; communicatively coupling processing circuitry, a first processing unit, or both directly to a second serial communication interface to enable the string control unit to communicate data with the cell control unit via the first serial communication network; forming a first isolation barrier comprising an electrically isolated communication interface between a third serial communication interface and the second serial communication interface; and communicatively coupling the processing circuitry, the first processing unit, or both to the third serial communication interface via the electrically isolated communication interface to enable the string control unit to communicate data via a second serial communication network. - View Dependent Claims (6, 7, 8, 9, 10, 11)
-
-
12. A tangible, non-transitory, computer-readable medium that stores instructions executable by one or more processors of a design system to implement a battery control system, wherein the instructions comprise instructions to:
-
indicate, using the one or more processors, a first cell control unit to be electrically coupled to a first battery module in a battery system to enable the first cell control unit to receive high voltage electrical power from the first battery module and determine first operational parameters related to operation of the first battery module; indicate, using the one or more processors, a first string control unit to be communicatively coupled to the first cell control unit via a first serial communication network to enable the first string control unit to control operation of a first battery string comprising the first battery module based at least in part on the first operational parameters; indicate, using the one or more processors, a system control unit to be; communicatively coupled to the first string control unit via a second serial communication network and a parallel communication network to enable the system control unit to coordinate operation of the first battery string with a second battery string in the battery system; and electrically coupled to an external power source to enable the system control unit to receive low voltage electrical power from the external power source. - View Dependent Claims (13, 14)
-
-
15. A battery system comprising:
-
a first battery string comprising a first battery module and a second battery module connected in series; a second battery string comprising a third battery module and a fourth battery module connected in series; and a battery control system configured to control operation of the battery system, wherein the battery control system comprises; a first cell control unit electrically coupled to the first battery module, wherein; the first cell control unit is configured to determine first module level operational parameters related to operation of the first battery module; a second cell control unit electrically coupled to the second battery module, wherein the second cell control unit is configured to determine second module level operational parameters related to operation of the second battery module; a first string control unit communicatively coupled to the first cell control unit and the second cell control unit, wherein the first string control unit is configured to; determine first string level operational parameters related to operation of the first battery string based at least in part on the first module level operational parameters and the second module level operational parameters; and control operation of the first battery string based at least in part on the first string level operational parameters; a third cell control unit electrically coupled to the third battery module, wherein the third cell control unit is configured to determine third module level operational parameters related to operation of the third battery module; a fourth cell control unit electrically coupled to the fourth battery module, wherein the fourth cell control unit is configured to determine fourth module level operational parameters related to operation of the fourth battery module; a second string control unit communicatively coupled to the third cell control unit, the fourth cell control unit, and the system control unit, wherein the second string control unit is configured to determine second string level operational parameters related to operation of the second battery string based at least in part on the third module level operational parameters and the fourth module level operational parameters; and a system control unit communicatively coupled to the first string control unit and the second string control unit, wherein the system control unit is configured to; determine system level operational parameters related to operation of the battery system based at least in part on the first string level operational parameters; control operation of the battery system based at least in part on the system level operational parameters; and coordinate operation of the first battery string and the second battery string based at least in part on the first string level operational parameters and the second string level operational parameters. - View Dependent Claims (16, 17)
-
-
18. A battery system comprising:
-
a first battery string comprising a first battery module and a second battery module connected in series; and a battery control system configured to control operation of the battery system, wherein the battery control system comprises; a first cell control unit electrically coupled to the first battery module, wherein; the first cell control unit is configured to determine first module level operational parameters related to operation of the first battery module; a second cell control unit electrically coupled to the second battery module, wherein the second cell control unit is configured to determine second module level operational parameters related to operation of the second battery module; a first string control unit communicatively coupled to the first cell control unit and the second cell control unit, wherein the first string control unit is configured to; determine first string level operational parameters related to operation of the first battery string based at least in part on the first module level operational parameters and the second module level operational parameters; and control operation of the first battery string based at least in part on the first string level operational parameters; and a system control unit communicatively coupled to the first string control unit, wherein the system control unit is configured to; determine system level operational parameters related to operation of the battery system based at least in part on the first string level operational parameters; and control operation of the battery system based at least in part on the system level operational parameters wherein the first string control unit comprises; a first portion configured to operate using electrical power in a first voltage domain received from the first battery string; a second portion configured to operate using electrical power in a second voltage domain received from the system control unit, an external power source, or both, wherein the second voltage domain is different from the first voltage domain; and an isolation barrier configured to electrically isolate the first portion of the first string control unit from the second portion of the first string control unit. - View Dependent Claims (19)
-
-
20. A battery system comprising:
-
a first battery string comprising a first battery module and a second battery module connected in series, wherein; the first battery module comprises a first battery cell group that includes a first plurality of battery cells and a second battery cell group that includes a second plurality of battery cells; and the second battery module comprises a third battery cell group that includes a third plurality of battery cells and a fourth battery cell group that includes a fourth plurality of battery cell; a battery control system configured to control operation of the battery system, wherein the battery control system comprises; a first cell control unit electrically coupled to the first battery module, wherein the first cell control unit is configured to determine first module level operational parameters related to operation of the first battery module at least in part by; determining a first cell group voltage of the first battery cell group; determining a second cell group voltage of the second battery cell group; and determining a first battery module voltage of the first battery module; a second cell control unit electrically coupled to the second battery module, wherein the second cell control unit is configured to determine second module level operational parameters related to operation of the second battery module at least in part by; determining a third cell group voltage of the third battery cell group; determining a fourth cell group voltage of the fourth battery cell group; and determining a second battery module voltage of the second battery module; a first string control unit communicatively coupled to the first cell control unit and the second cell control unit, wherein the first string control unit is configured to; determine first string level operational parameters related to operation of the first battery string based at least in part on the first module level operational parameters and the second module level operational parameters; and control operation of the first battery string based at least in part on the first string level operational parameters; and a system control unit communicatively coupled to the first string control unit, wherein the system control unit is configured to; determine system level operational parameters related to operation of the battery system based at least in part on the first string level operational parameters; and control operation of the battery system based at least in part on the system level operational parameters. - View Dependent Claims (21)
-
Specification