Patent ID: 9592738
Date: 2017-03-14
CPC Classifications: B60L,G06F,Y02T

Claim:
1. An electric vehicle comprising: a motor coupled to one or more wheels of the electric vehicle; an inverter coupled to the motor; at least a first power bus coupled to the inverter; at least a first battery string comprising a plurality of battery modules, wherein the first battery string has an output that is coupled to the first power bus through a switch; at least a first battery string controller coupled to the first battery string; a plurality of battery module monitors coupled to respective ones of the plurality of battery modules, wherein the first battery string controller and at least a first battery module monitor communicate through a data bus; and at least a first safety controller associated with the battery string controller, wherein the first safety controller is connected to the data bus separately from the first battery string controller and the at least first battery module monitor, and wherein the first safety controller is configured to evaluate communications between the first battery string controller and the first battery module monitor.