Systems, methods, devices, and models for range estimation and analysis in battery powered vehicles are described. Energy consumption over vehicle trips is collected, to evaluate weighting factors for a weighted sum. The weighted sum is evaluated based on determined weighting factors and expected trip data, to determine an energy consumption of a trip or trips of a vehicle. Determined energy consumption for trips is used for evaluating suitability of the vehicle for performing the trips.

A power management system for a vehicle includes a first battery monitoring module configured to monitor a first state of charge (SOC) of a first battery of the vehicle. The first battery has a first nominal voltage. A second battery monitoring module is configured to monitor a second SOC of a second battery of the vehicle. The second battery has a second nominal voltage that is greater than the first nominal voltage. A control module is configured to selectively apply power to a heater of the second battery based on an estimated value of the second SOC of the second battery at a next startup of an engine.

The invention relates to a method for optimizing energy management of an electrical propulsion system of a vehicle, wherein the electrical propulsion system of the vehicle comprises an energy storage system and an electric machine. The electrical propulsion system further comprises at least one electrical component, wherein the electrical component has an idle state and an operation state. The method comprising the steps of: a) determining at least one parameter of the electrical component being in the operation state; b) inputting the parameter into a thermal model of the electrical component; c) predicting the temperature T.sub.p of the electrical component being in operation state in real time on board the vehicle; d)comparing the predicted temperature value T.sub.p with a predefined threshold value T.sub.max, and, e) automatically reducing the magnitude of the electrical current through the electrical component to a safe level if the predicted temperature value T.sub.p exceeds the predefined threshold value T.sub.max.

System for regulating a charging temperature (T) of a vehicle battery (2) of a vehicle, wherein the vehicle battery (2) is cooled by means of a fluid (F) which circulates in a cooling circuit (21) of the vehicle, which is controlled by a controller (18) such that, upon reaching a charging station, the temperature of the vehicle battery (2) is pre-controlled to a desired charging start temperature (T.sub.0) which is suitable for an electrical charging procedure for speedily charging the vehicle battery (2) by means of the charging station.

An acquisition unit of in-vehicle notification device mounted on electric vehicle acquires a discharge current value discharged from secondary battery in electric vehicle to motor for running in electric vehicle. According to the acquired discharge current value, a notification unit notifies the driver of information indicating an impact of a current driving condition by the driver of electric vehicle on degradation of secondary battery.

A method for operating a motor vehicle with a cooling system for cooling a traction battery may include receiving trip data representative of a planned route, reading in operating parameters of the traction battery, evaluating the trip data and the operating parameters to determine a set of data representative of a forecast temperature profile of the battery temperature, evaluating the set of data for the forecast temperature profile of the battery temperature to determine a phase of particularly high demand for cooling output while completing the route, buffer-storing (reducing) thermal energy while traveling the planned route by operating or increasing operation of the cooling system in anticipation of the high battery load to utilize heat storage capacity of the traction battery before the phase of particularly high cooling output demand.

A system includes a sensor for sensing an outdoor environment weather condition of an outdoor environment, a processor, and a memory module communicatively coupled to the processor, the memory module including one or more processor-readable instructions that when executed, cause the processor to determine an expected departure time, determine the outdoor environment weather condition from data received from the sensor, and send a request for user input to a remote device, the request including a user input selector to initiate at least one climate control system based on one or more of the expected departure time and the outdoor environment weather condition.

A battery control device includes: a charging/discharging control unit; an outside air temperature acquiring unit; and a state-of-charge upper limit setting unit setting a state-of-charge upper limit which is an upper limit of the management range of the state of charge when the acquired outside air temperature is lower than a predetermined air temperature to a low-temperature state-of-charge upper limit which is lower than the state-of-charge upper limit when the outside air temperature is higher than the predetermined air temperature. The battery control device further includes a state-of-charge lower limit setting unit setting a state-of-charge lower limit when the acquired outside air temperature is lower than the predetermined air temperature to a low-temperature state-of-charge lower limit which is lower than the state-of-charge lower limit when the outside air temperature is higher than the predetermined air temperature.

An electrified vehicle includes a traction battery and a battery thermal control system. A controller is configured to receive an initial regenerative braking capability and operation the battery thermal control system to precondition the traction battery during a charge event to a temperature that corresponds to the initial regenerative braking capability such that, during a subsequent drive cycle, the regenerative braking capability is at least equal to the initial regenerative braking capability for at least a predetermined duration into the subsequent drive cycle.

A power system includes a primary bus connected to a traction battery, a secondary bus connected to an auxiliary battery, a power converter between the traction and auxiliary batteries, and a controller. The controller commands the power converter to increase a magnitude of current output to the secondary bus when an amount of charge current received by the traction battery exceeds a first amount threshold and commands the power converter to decrease the magnitude when an amount of charge current received by the auxiliary battery exceeds a second amount threshold.