Patent classifications
B60L2260/42
Module for real-time thermal behavior analysis of secondary cell battery and method of operating the same
Provided are a module for real-time thermal behavior analysis of a secondary cell battery and a method of operating the module. The module includes a region for mounting a sample battery, a region for mounting a reference battery, and a housing covering the two regions and having an adiabatic characteristic. The region for mounting the sample battery is defined by two partitions facing each other. In addition, the region for mounting the reference battery is defined by two partitions facing each other. The region for mounting the sample battery is a region for vertically or horizontally mounting the sample battery. The region for mounting the reference battery is a region for vertically or horizontally mounting the reference battery.
Vehicle battery controller based on a reduced order model
A vehicle battery controller based on a reduced order model is provided. The controller identifies a value of a current output by the battery that supplies power to the vehicle. The controller provides the value of the current to a solid diffusion component, an electrolyte transport component, and a electrolyte and solid potential component. The solid diffusion component can update a solid concentration model of the battery. The electrolyte transport component can update an electrolyte concentration model of the battery. The electrolyte and solid potential component can update an electrolyte potential model and a solid potential model of the battery. The controller component can determine a value of a voltage of the battery and a value of a heat generation rate of the battery. The controller component can generate a command to manage a performance of the battery.
Control method for electric vehicle and control device for electric vehicle
A control method for an electric vehicle includes controlling a torque of a motor based on a final torque command value by calculating the final torque command value such that a vibration damping control to reduce vibrations of a driving force transmission system of a vehicle is performed on a target torque command value set based on vehicle information, calculating the final torque command value based on the target torque command value and a value obtained by multiplying a drive-shaft torsional angular velocity by a feedback gain, estimating, by use of a vehicle model that models the driving force transmission system, a dead-zone period during which a motor torque output from the motor is not transmitted to a drive-shaft torque of the vehicle, and determining whether or not the vehicle is just before stop of the vehicle.
METHOD, DEVICE, AND SYSTEM FOR CHARGING/DISCHARGING ELECTRIC VEHICLE
Disclosed is a method for charging/discharging an electric vehicle. The method includes determining whether the electric vehicle has passed a power grid border during travel, transmitting information on a current travel path and information on a currently set area code to a server in response to a determination that the electric vehicle has passed the power grid border, receiving an area code update request message containing information on a new area code and a charging/discharging fee rate policy corresponding to the new area code from the server, updating a charging/discharging schedule based on the charging/discharging fee rate policy corresponding to the new area code, and performing the charging/discharging with a charging station based on the updated charging/discharging schedule.
METHOD AND APPARATUS FOR CHARGING/DISCHARGING ELECTRIC VEHICLE
A method for charging/discharging an electric vehicle includes receiving one or more power grid codes and information on a charging/discharging fee rate policy corresponding to each of the one or more power grid codes, determining a charging/discharging schedule based on the received charging/discharging fee rate policy, and performing a charging/discharging for the elective vehicle with a charging station based on the determined charging/discharging schedule.
METHOD AND APPARATUS FOR CHARGING/DISCHARGING ELECTRIC VEHICLE
A method for charging/discharging an electric vehicle includes generating map information including a charging/discharging fee rate policy for mapped charging stations and registering the generated map information in a vehicle, identifying one or more charging stations capable of performing a charging/discharging of the vehicle based on the generated map information, selecting an optimal charging station for the charging/discharging among the identified charging stations, determining a charging/discharging schedule based on a charging/discharging fee rate policy of the selected charging station, and performing the charging/discharging based on the determined charging/discharging schedule at the selected charging station.
Drive Control for a Three-Phase Motor
A drive control for a three-phase motor has an inverter with multiple switches for generating three-phase voltages on the windings of the three-phase motor, and a control device for controlling the switches of the inverter on the basis of pulse-width modulation. The control device is set up to control the switches in a switching period by using a switching pattern, wherein the switching pattern is composed of two active voltage space vectors and multiple null vectors, wherein the null vectors vary within the switching pattern.
BATTERY STATE ESTIMATION METHOD
Provided is a battery state estimation method. The battery state estimation method comprises: a step for periodically measuring the voltage and current of a battery in use to generate a voltage value and a current value; a step for using an adaptive filter to generate a G parameter value and an H parameter value in real time from the voltage value and the current value, said parameters indicating the present state of the battery; and a step for using the G parameter value and the H parameter value to estimate the state of the battery in real time. The G parameter is a parameter that represents the sensitivity of the voltage to changes in the current of the battery, and the H parameter is a parameter that represents an effective potential determined by the local equilibrium potential distribution and resistance distribution inside the battery. According to the battery state estimation method, the state of the battery can be accurately estimated in real time on the basis of the voltage value and the current value of the battery.
Control apparatus for an energy storage unit
Various embodiments may include a control apparatus for an energy storage unit of a motor vehicle comprising: a non-volatile memory storing a first initial configuration for a first energy storage unit and a second initial configuration for a second energy storage unit. The memory is connected to a further memory having a first adaptation configuration for the first energy storage unit and a second adaptation configuration for the second energy storage unit. The non-volatile memory comprises a first memory part storing the first initial configuration and a second memory part electrically decoupled from the first memory part storing the second initial configuration.
Device for calibrating two electric motors mounted on one axle in two-axle motor vehicles
A device for calibrating two electric motors mounted on one axle in two-axle motor vehicles includes at least one electronic control unit configured to check whether predefined conditions for a switchover from torque control to rotational speed control are met. If met, the at least one electronic control unit is configured to switch to rotational speed control for a predefined period of time. A torque-dependent characteristic map with correction values is created on the basis of this difference. The target torques are corrected by the correction values during torque control after rotational speed control has been deactivated.