Abstract: A method and system for preventing battery thermal runaway are provided. The method includes: detecting or predicting whether there is a thermal runaway risk for each battery cell or battery module of a battery pack; and in response to detecting or predicting that there is a thermal runaway risk for at least one battery cell or battery module of the battery pack, transferring battery energy of the at least one battery cell or battery module to the battery pack or another battery pack as thermal energy or electric energy.

Abstract: Provided are methods for controlling ESA system of a vehicle and an ESA system. The method includes: generating a trajectory to avoid an obstacle in front of the vehicle; obtaining a target yaw rate and yaw moment according to the trajectory; allocating the target yaw moment to one or more chassis actuators; controlling the one or more chassis actuators according to allocated yaw moments. The cooperation of actuators is implemented for more safe evasion.

Abstract: Provided are a method and a system for optimizing a BMS model. The method includes: creating a BMS model based on test data of a battery; selecting sample vehicles from real driving data of vehicles equipped with this type of battery through active learning approach, and giving a corresponding weight to each of the selected sample vehicles; optimizing the BMS model based on the data of the selected sample vehicles.

Abstract: A vehicle-mounted device for detecting battery state comprises a controller, a load unit, and a switch unit. The load unit is coupled to the battery, the switch unit is coupled between the battery and the load unit. The controller can control the switch unit to disconnect or connect the battery and the load unit at a predefined frequency. The controller can switch the load unit to generate ripple voltage on the battery, and measure the ripple voltage of each battery cell, an abnormal state of a battery can be determined according to the ripple voltage of each battery cell.

Abstract: Provided in embodiments of the disclosure are a battery heat adjustment circuit and method, a storage medium and an electronic device. The circuit includes a battery pack, the battery pack including at least two battery blocks, and each battery block including one or more battery cells; a first controller, respectively connected to partial battery blocks included in the battery pack, and configured to detect a state of partial battery blocks included in the battery pack and control, based on a state detection result, partial battery blocks included in the battery pack to discharge; and a heat adjustment loop, connected to the first controller, and configured to respectively adjust, by using electric energy released by partial battery blocks included in the battery pack, heat of partial battery blocks included in the battery pack. By means of the disclosure, the problems that heating and heat balance of zones in the battery may not be simultaneously solved in the relevant art is solved.

Abstract: A thermal management system includes a refrigerant loop, a motor coolant loop, and a battery coolant loop. The refrigerant loop includes a first refrigerant main-line, a second refrigerant main-line, a first refrigerant branch, and a second refrigerant branch. The first refrigerant main-line includes a compressor, the second refrigerant main-line includes a cabin condenser, the first refrigerant branch includes a cabin evaporator, the second refrigerant branch includes a radiator. The first refrigerant main-line and the second refrigerant main-line selectively communicate with one of the first and second refrigerant branches. The battery coolant loop includes a coolant main-line, a first coolant branch connected to the cabin evaporator, a second coolant branch connected to the cabin condenser, and a third coolant branch. The coolant main-line selectively communicates with at least one of the first to third coolant branches. The battery coolant loop connects to the motor coolant loop in series or in parallel.

Abstract: A method and system for estimating a battery pack balance state of a new energy vehicle are provided. The method includes: acquiring an actual cell voltage difference measured for a battery pack of a new energy vehicle, and acquiring one or more operation condition parameters for an operation condition under which the actual cell voltage difference is measured, wherein the actual cell voltage difference is the difference between the maximum and minimum battery cell voltages within the battery pack; determining an expected cell voltage difference according to a model based on the one or more operation condition parameters; determining a compensated cell voltage difference according to the actual cell voltage difference and the expected cell voltage difference; and estimating a battery pack balance state of the new energy vehicle according to the compensated cell voltage difference.

Abstract: The present disclosure relates to an unmanned lane keeping method and device, a computer device, and a storage medium. The method includes that: a vehicle road image collected by a data collector of the vehicle is received; the vehicle road image is transmitted to a preset DNN model of the vehicle for processing to obtain a steering wheel angle corresponding to the vehicle road image, wherein the DNN model of the vehicle is established by deep learning, and is used for characterizing a correspondence between the vehicle road image and the steering wheel angle; and the vehicle is controlled to keep driving in a corresponding lane according to the steering wheel angle.

Abstract: A temperature control method for vehicle seat heating includes: when turning on or switching to a heating level, determining a heating period at present according to a temperature value corresponding to a current Negative Temperature Coefficient (NTC) sensor, the heating period including an initial heating stage, an approaching stage and a steady stage; and segmentally controlling the on-off of a seat heating apparatus according to a heating strategy corresponding to each heating period, so that the seat surface temperature reaches to and stabilizes at an expected target temperature of the level. Further disclosed are a corresponding temperature control apparatus for the vehicle seat heating and a temperature control system for the vehicle seat heating. By adopting the temperature control method for the vehicle seat heating, the seat surface temperature can quickly reach to and stabilize at the expected temperature value, and thus the use experience of a user is improved.

Abstract: Provided is a battery heating system, a battery device and an electric vehicle. The battery heating system includes: a battery pack having multiple battery cells; a plurality of heating resistors, each heating resistor is connected to a corresponding battery cell and is configured to heat the connected battery cell; a switching circuit, which is connected to each battery cell and each heating resistor; a controller, which is connected to the switch circuit and is configured to select one or more battery cells for discharging and one or more battery cells to be heated from the plurality of battery cells according to the temperature and/or energy of each battery cell, and control switches in the switching circuit to switch on/off, so that the current of the one or more battery cells for discharging flows through the corresponding heating resistor to heat the one or more battery cells to be heated.

Abstract: Provided are a hybrid power vehicle range extender power following control method and system. The method includes: when a vehicle satisfies range extender power closed-loop control conditions, an actual charge-discharge power of a power battery and a charge-discharge power expectation value of the power battery are taken as control errors to adjust a total range extender electric power requirement, an engine torque requirement is calculated according to the total range extender electric power requirement, and an engine is controlled to perform the engine torque requirement; and when it is detected that a drive motor electric power suddenly changes and/or a load power suddenly changes, engine quick torque control is activated, and an engine quick torque requirement is taken as a feed-forward value of a generator speed setting controller to control a generator.

Abstract: A wake-up control method for a Body Control Module (BCM) includes: step S1 writing IDs and wake-up level information of all Micro Controller Unit (MCU) pins serving as an external wake-up source to a retention RAM; step S2, setting a wake-up detection timer, and triggering a system to enter a low power consumption mode; step S3, after a wake-up detection time set by the wake-up detection timer expires, enabling power supply to all MCU pins, setting the corresponding MCU pin as an input pin according to the pin ID information written in step S1, and acquiring level information of the input pin; and step S4, comparing the level information of the input pin with the wake-up level information written in step S1, if they are consistent, writing the ID of the input pin that is to serve as a wake-up source to the retention RAM and triggering the system to enter a normal operating mode, and if they are inconsistent, disabling the power supply to the MCU pin. A wake-up control device for a BCM is further provided.

Abstract: The present disclosure relates to a thermostat fault diagnosis method. The method includes: a current environment temperature and a boundary temperature and initial opening temperature corresponding to the current environment temperature are acquired; engine thermal equilibrium state data determined based on coolant temperature change data in an engine are acquired; a current coolant temperature is acquired; and according to the engine thermal equilibrium state data and a relationship between the current coolant temperature and the boundary temperature and initial opening temperature, it is judged whether a thermostat is faulty.

Abstract: Provided is an early warning method of trapping in a vehicle. The early warning method includes: a current bearing value of a seat is stored as an initial value when unlocking of a vehicle door is detected, a weight difference is obtained by performing a subtraction operation between the current bearing value of the seat and the initial value when locking of the vehicle door is detected, and a trapping alarm signal is given when the weight difference is greater than or equal to a preset first weight threshold. An early warning device of trapping in a vehicle and a computer readable storage medium are further provided. With the adoption of the embodiment of the present disclosure, a false alarm as a result of the article fixed on the seat of the vehicle in the conventional art may be effectively solved, and an early warning for the child or the pet staying in the vehicle may be effectively implemented at the same time.

Abstract: Provided are an automatic parking method and device. The automatic parking method includes: acquiring a global waypoint map of a parking lot where a vehicle is to be parked and position information of available parking spaces, and performing global path planning according to the global waypoint map and the available parking space position information; starting automatic driving according to the global path planning, acquiring vehicle visual information, and performing local path planning and obstacle avoidance processing according to the vehicle visual information; and searching for a parking space when automatically driving to the vicinity of the available parking spaces, and performing parking after finding an available parking space that satisfies a parking condition.

Abstract: A vehicle steering control method, device and system, and a vehicle are provided. The vehicle steering control method includes: in a case where a current vehicle speed is less than a turning vehicle speed threshold, steering of a vehicle is controlled by an Electric Power Steering (EPS) to implement cornering of the vehicle; in a case where a cornering condition of the vehicle is not reached during the cornering of the vehicle, the vehicle is controlled by an Electrical Park Brake (EPB) to perform single-side parking to assist in the cornering of the vehicle; and after the single-side parking of the vehicle is implemented, closed-loop control is performed on an electric control booster, the EPB and the EPS, and the vehicle is controlled to turn under the cornering condition.

Abstract: Some embodiments of a present disclosure provide a variable valve lift device. The variable valve lift device includes a main shaft, a sleeve, an oil cylinder and a valve mechanism. The sleeve is provided on the main shaft in a sleeve manner, can be driven by the main shaft to rotate together with the main shaft, and can further linearly move relative to the main shaft along an axis direction of the main shaft. A cam assembly is disposed on the sleeve, and includes at least two cams with different projection heights. The oil cylinder includes a cylinder barrel and a piston disposed in the cylinder barrel, the cylinder barrel is fixed onto the main shaft, the piston is fixedly connected to the sleeve. Some embodiments of the present disclosure provide an automobile having the above variable valve lift device.

Abstract: An intersection traffic control method, apparatus and system are provided.

Abstract: Some embodiments of the present disclosure provide a hybrid power coupling mechanism and a vehicle. The hybrid power coupling mechanism includes an engine, a first output shaft, a generator, a driving motor, and a differential mechanism, wherein a rotating shaft of the engine is connected to an input shaft of the generator through the first output shaft, and an input shaft of the driving motor is connected to the differential mechanism in a speed-reducing manner through a planetary gear set. The vehicle includes a power storage battery, a motor controller and the foregoing hybrid power coupling mechanism. The problems of power interruption and high cost in mode switching of a hybrid power coupling mechanism of the existing vehicle are solved. The engine and the generator operate in an extended range mode, and the driving motor is decelerated by the planetary gear set and inputs power to the differential mechanism.

Abstract: Provided are a full-automatic parking method and system. The full-automatic parking method comprises: receiving a start instruction sent by a user, and activating an automatic parking system according to the start instruction; controlling a vehicle to automatically move forward and search, during moving, whether there is an available parking space at the left side or the right side of the vehicle, and when there is an available parking space, identifying basic information of the target parking space; planning a parking path according to the identified basic information of the target parking space, and obtaining a start point of parking and a parking path from the start point of parking to an end point of parking; controlling the vehicle to automatically move to the start point of parking; and controlling the vehicle to automatically park in the parking space according to the planned parking path.