B60W2552/25

Crowdsourcing the collection of road surface information
10962982 · 2021-03-30 · ·

Systems and methods are provided for crowdsourcing road surface information collection. In one implementation, a method of collecting road surface information for a road segment may include receiving at least one image representative of a portion of the road segment, identifying in the at least one image at least one road surface feature along the portion of the road segment, determining a plurality of locations associated with the road surface feature according to a local coordinate system of the vehicle, and transmitting the determined plurality of locations from the vehicle to a server. The determined locations may be configured to enable determination by the server of a line representation of the road surface feature extending along the road segment.

Predictive grade optimization in cruise control

A cruise control method includes: receiving, by a controller of the vehicle, a set speed, a maximum allowed speed, and a minimum allowed speed, wherein each of the maximum allowed speed and the minimum allowed speed is a speed boundary of an allowed speed range; commanding, by the controller, a propulsion system to produce a commanded axle torque to maintain the set speed; monitoring a current speed of the vehicle; monitoring an elevation of a terrain at predetermined-upcoming locations of the vehicle based on upcoming elevation data from a map database; generating an elevation look-ahead table using the elevation of the terrain at the predetermined-upcoming locations of the vehicle; and determining projected speeds of the vehicle at each of the predetermined-upcoming locations of the vehicle as a function of the current speed of the vehicle and the elevation of the terrain at the predetermined-upcoming locations.

DRIVING RANGE BASED ON PAST AND FUTURE DATA
20210012584 · 2021-01-14 ·

A system for determining a driving range of a vehicle includes an energy storage component to store electrical energy or fuel. The system further includes a power source to convert the electrical energy or fuel into mechanical power to propel the vehicle. The system further includes a memory to store map data including road speeds, altitude data, road grades, or stop information corresponding to at least one of stop signs or stop lights, and a first driver profile corresponding to driving behavior of a first driver. The system further includes an electronic control unit (ECU) designed to predict the driving range of the vehicle based on an amount of the at least one of the electrical energy or fuel remaining in the energy storage component, the map data, and the first driver profile. The system further includes an output device designed to output the driving range of the vehicle.

SERIES-PARALLEL HYBRID POWER SYSTEM AND VEHICLE WORKING MODE DECISION-MAKING METHOD

A hybrid power drive system, including a power battery device, a range extender system, and a motor drive system. The power battery device is configured to supply power to the motor drive system. The range extender system includes an engine and a generator. The generator is able to generate power under the driving of the engine to supply the power to the motor drive system and/or charge the power battery device. The hybrid power drive system further includes a vehicle control unit configured to control the engine and/or generator of the range extender system to generate a driving force. The range extender system is mechanically connected to a main coupling mechanism to transmit the generated driving force to a main drive axle of a vehicle by means of the main coupling mechanism to drive wheels on both sides of the axle to rotate. Also provided is a vehicle having the hybrid power drive system. According to the hybrid power drive system and the vehicle having same, the vehicle control unit is utilized to control the engine and/or generator of the range extender system to generate the driving force for different application operating conditions, and thus the economy of the vehicle can be effectively improved.

PREDICTIVE GRADE OPTIMIZATION IN CRUISE CONTROL

A cruise control method includes: receiving, by a controller of the vehicle, a set speed, a maximum allowed speed, and a minimum allowed speed, wherein each of the maximum allowed speed and the minimum allowed speed is a speed boundary of an allowed speed range; commanding, by the controller, a propulsion system to produce a commanded axle torque to maintain the set speed; monitoring a current speed of the vehicle; monitoring an elevation of a terrain at predetermined-upcoming locations of the vehicle based on upcoming elevation data from a map database; generating an elevation look-ahead table using the elevation of the terrain at the predetermined-upcoming locations of the vehicle; and determining projected speeds of the vehicle at each of the predetermined-upcoming locations of the vehicle as a function of the current speed of the vehicle and the elevation of the terrain at the predetermined-upcoming locations.

Distributing a crowdsourced sparse map for autonomous vehicle navigation
10838426 · 2020-11-17 · ·

Systems and methods are provided for distributing a crowdsourced sparse map for autonomous vehicle navigation. In one implementation, a method of generating a road navigation model for use in autonomous vehicle navigation may include receiving navigation information associated with a common road segment from a plurality of vehicles; storing the navigation information associated with the common road segment; generating at least a portion of an autonomous vehicle road navigation model for the common road segment based on the navigation information; and distributing the autonomous vehicle road navigation model to one or more autonomous vehicles for use in autonomously navigating along the common road segment. The autonomous vehicle road navigation model may include at least one line representation of a road surface feature extending along the common road segment, and each line representation may representing a path along the common road segment substantially corresponding with the road surface feature.

Multi-network-based path generation for vehicle parking

Systems and methods of deep neural network based parking assistance is provided. A system can receive data sensed by one or more sensors mounted on a vehicle located at a parking zone. The system generates, from a first neural network, a digital map based on the data sensed by the one or more sensors. The system generates, from a second neural network, a first path based on the three-dimensional dynamic map. The system receives vehicle dynamics information from a second one or more sensors located on the vehicle. The system generates, with a third neural network, a second path to park the vehicle based on the first path, vehicle dynamics information and at least one historical path stored in vehicle memory. The system provides commands to control the vehicle to follow the second path to park the vehicle in the parking zone.

CHARGING/DISCHARGING CONTROL DEVICE
20200346633 · 2020-11-05 ·

A charging/discharging control device includes a route information acquisition unit, a section identification unit that identifies an excessive discharging section and an excessive charging section, and a charging/discharging control unit that controls charging and discharging of a battery. The charging/discharging control unit limits a charge current value in the excessive charging section to a fixed first upper limit value. The state of charge reaches a maximum state of charge at an end point of the excessive charging section when the charge current value is maintained at the first upper limit value. The charging/discharging control unit limits a discharge current value in the excessive discharging section to a fixed second upper limit value. The state of charge reaches a minimum state of charge at an end point of the excessive discharging section when the discharge current value is maintained at the second upper limit value.

Vehicle control system, vehicle control method, and storage medium
10821962 · 2020-11-03 · ·

A vehicle control system includes an electric power generator, a battery, a motor for traveling which rotates a driving wheel, a traveling plan generator which generates a traveling plan in which a traveling route has been planned, an electric power generation plan generator which generates an electric power generation plan in which electric power generation by the electric power generator has been planned on the traveling route, and a plan modifier which modifies the electric power generation plan to a plan for increasing the amount of electric power to be generated by the electric power generator in one or more sections before a predetermined section when electric power generation by the electric power generator in the predetermined section having a height equal to or greater than a threshold value among one or more sections constituting the traveling route has been planned in the electric power generation plan.

DYNAMIC DRIVER AND VEHICLE ANALYTICS BASED ON VEHICLE TRACKING AND DRIVING STATISTICS
20200286310 · 2020-09-10 ·

Driver safety, vehicle safety, and environment safety may be scored based on a variety of input data concerning a driver, a vehicle, or an environment in which the vehicle drives. An overall safety score may be generated based on at least some of these three scores. These scores may be compared to thresholds to trigger or initiate actions such as providing notifications to drivers, raising or reducing vehicle insurance rates, providing coupons and promotions to drivers, or limiting vehicle speed in a manner that is personalized to the driver and/or vehicle and/or environment.