B60W2050/022

CONTROL SYSTEM AND METHOD FOR ASSISTING OR OBTAINING A RELIABLE STEERING OPERATION OF A MOTOR VEHICLE WHICH IS CAPABLE OF DRIVING AT LEAST SEMI-AUTONOMOUSLY
20180009470 · 2018-01-11 ·

Control system and method which is adapted for use in a motor vehicle and intended to effect an at least semi-autonomous driving operation of the motor vehicle by means of assigned actuators on the basis of environmental data which are obtained from one or more environment sensors assigned to the motor vehicle, and wherein the control system is adapted and intended to detect a failure of a conventional steering system of the motor vehicle and attempt a change of direction of the vehicle, which corresponds to a desired steering angle, from current driving parameters by means of matched acceleration and/or deceleration interventions at individual wheel drives or wheel brakes, respectively, of the vehicle.

Method and device for controlling autonomous driving

A method for controlling autonomous driving in a vehicle capable of the autonomous driving may include collecting vehicle travel status information and system status information during the autonomous driving, sensing a failure based on the system status information, identifying normally controllable actuators when sensing the failure, determining a risk degree corresponding to the sensed failure based on the normally controllable actuator information and the vehicle travel status information, determining a safety state based on normally controllable actuator information and the risk degree, and determining a failure safety strategy corresponding to the safety state.

Method for operation of a brake back-up system of a motor vehicle

The invention concerns a method for operating a brake back-up system (8) of a motor vehicle (2), with the steps: (S100) Reading in operating data (BD) of the motor vehicle (2), (S200) Evaluating the read-in operating data (BD) to identify malfunctions of a braking system of the motor vehicle (2), and (S300) Providing at least one actuation signal (AS, AS′) to influence components of a drive train of the motor vehicle (2).

METHOD AND SYSTEM FOR CONTROLLING FOUR-WHEEL-INDEPENDENT-DRIVE ELECTRIC VEHICLE (4WID) EV
20230018500 · 2023-01-19 ·

The present disclosure provides a method and system for controlling a four-wheel-independent-drive (4WID) electric vehicle (EV) which incorporates the method steps of: acquiring driving environmental information of the vehicle, running state information of the vehicle and driving expectation information of a driver; tracking a body attitude; switching a condition of the vehicle according to information of an upper module; calculating an expected longitudinal torque, an expected lateral torque and an expected yaw torque of the vehicle that meet a driver's expectation; optimally distributing the torques of the vehicle; and generating armature voltage signals required by output torques of motors and controlling the motors. The method divides the driving process of the vehicle into multiple independent driving conditions. The method does not globally implement operation and control in multiple driving conditions with a single control strategy, but coordinately switches the conditions according to multiple control modes and multiple control strategies.

METHOD AND APPARATUS FOR MONITORING UNMANNED GROUND VEHICLE
20220410913 · 2022-12-29 ·

According to an embodiment, provided are a method and an apparatus for monitoring an unmanned ground vehicle (UGV), for detecting a failure of a UGV actuator in consideration of terrain information. Accordingly, the accuracy of detecting a failure of the UGV is improved.

Travel controller adaptive to road inclination or braking performance

A travel controller including an information acquisition part configured to acquire brake state information of a braking device of a host vehicle and an ACC-ECU configured to perform travel control, wherein the travel control includes constant speed travel control and headway travel control. The constant speed travel control is configured to control the host vehicle to travel at constant speed in accordance with a preset target vehicle speed. The headway travel control is configured to control the host vehicle to travel by following another vehicle travelling ahead so that a predetermined inter-vehicle distance in maintained with the other vehicle and the host vehicle travels in accordance with the target vehicle speed. In the ACC-ECU, when a braking performance index of the host vehicle has a “declined value”, a target acceleration of Example 1 takes a reduced value compared to the target acceleration of Comparative Example for a common distance difference.

Vehicle control system and vehicle control method

A vehicle control system includes a first actuator that is configured to perform at least any of driving, braking, or steering of a host vehicle, a first controller that is configured to perform traveling control of the host vehicle by controlling the first actuator, a second actuator that is configured to perform at least any of driving, braking, or steering of the host vehicle, a second controller that is configured to perform traveling control of the host vehicle by controlling the second actuator, and a communication line that is interposed between the first controller and the second controller. The first controller is configured to determine whether an operating state of the first actuator satisfies a predetermined condition, and limit, in a case where it is determined that the operating state of the first actuator satisfies the predetermined condition, control of the first actuator as compared to a case where it is determined that the predetermined condition is not satisfied, and transmits a predetermined signal to the second controller through the communication line, and in a case where the predetermined signal is received from the first controller through the communication line, the second controller performs traveling control of the host vehicle in place of at least a portion of a function of the first controller by controlling the second actuator.

Hybrid vehicle and method of diagnosing abnormal condition of hybrid vehicle

In a hybrid vehicle, each of an engine and an MG1 is mechanically coupled to a drive wheel with a planetary gear being interposed. The planetary gear and an MG2 are configured such that motive power output from the planetary gear and motive power output from the MG2 are transmitted to the drive wheel as being combined. A controller makes WGV diagnosis for diagnosing whether or not a waste gate valve is normally controllable by issuing an instruction to a WGV actuator while the controller stops combustion in the engine and controls the MG1 and the MG2 in coordination to perform motoring of the engine during traveling of the hybrid vehicle.

ASYMMETRIC FAILSAFE SYSTEM ARCHITECTURE
20220363276 · 2022-11-17 ·

The disclosure relates to a method for controlling a vehicle with an autonomous vehicle system which comprises an autonomous operating driving system which is configured to perform a dynamic driving task during fault-free operation of the autonomous operating driving system, and a redundancy driving system which is configured to carry out a reduced driving task. The autonomous operating driving system carries out trajectory planning and provides a planned trajectory for the reduced driving task to the redundancy driving system. If a fault of the operating driving system is detected, the redundancy driving system controls at least one vehicle actuator to perform the reduced driving task using the planned trajectory. Furthermore, the disclosure relates to an autonomous vehicle system and a vehicle with an autonomous vehicle system.

DRIVELINE COMPONENT CONTROL AND FAULT DIAGNOSTICS
20220363277 · 2022-11-17 ·

Methods and systems are provided for driveline control and diagnostics. In one example, a vehicle system may include a controller with instructions stored in a first memory unit and when executed by a first processing unit cause the controller to write mechanical vehicle component operating data to a shared memory unit. The controller further includes instructions stored in a second memory unit that when executed by a second processing unit cause the controller to read the mechanical vehicle component operating data to determine data validity.