2194results about "Data processing management" patented technology

A preferred input torque for a hybrid powertrain is determined within a solution space of feasible input torques in accordance with a plurality of powertrain system constraints that results in a minimum overall powertrain system loss. System power losses and battery utilization costs are calculated at feasible input torques and a solution for the input torque corresponding to the minimum total powertrain system loss is converged upon to determine the preferred input torque.

A method of operating a driver analysis system, the method including receiving vehicle operation data corresponding to operation of vehicles by drivers, identifying a peer group associated with a target driver, processing at least a portion of the vehicle operation data to determine driving performance of the target driver relative to driving performance of the peer group, generating a driving report which identifies the driving performance of the target driver, and transferring the driving report to a target device for viewing by the target driver.

A vehicle control system has a plurality of subsystem controllers including an engine management system 28, a transmission controller 30, a steering controller 48, a brakes controller 62 and a suspension controller 82. These subsystem controllers are each operable in a plurality of subsystem modes, and are all connected to a vehicle mode controller 98 which controls the modes of operation of each of the subsystem controllers so as to provide a number of driving modes for the vehicle. Each of the modes corresponds to a particular driving condition or set of driving conditions, and in each mode each of the functions is set to the function in mode most appropriate to those conditions.

Preferred operating points for a vehicle powertrain including an engine and a transmission are determined in accordance with a comprehensive operational mapping of input and output conditions and corresponding aggregate system losses corresponding to engine and transmission losses. In a hybrid transmission application, additional losses from motors and batteries are aggregated into the system losses and battery constraints are considered in determining preferred operating points. Preferred operating points are provided in one or more sets of minimized data for on-vehicle implementation.

A hybrid electric vehicle has an energy storage system including one or more batteries. Battery service life is managed by establishing an amp-hour throughput budget and limiting battery current substantially to the budget.

A feedback and training system for use in a vehicle the vehicle comprising or connected to one or more sensors enabled to measure one or more physical parameters associated with the vehicle; the system comprising a database, configured to receive and store data from the sensors, a processor enabled to calculate at least one performance factor based at least partly on the current physical parameters measured from the one or more sensors, a display configured to display to a driver representations of one or more of the performance factors, wherein the calculation of a performance factor, or the timing of or the prominence given to the display of the representation of a performance factor, is dependent on historic sensor data stored in the database received previously from the sensors.

A system and method of assisting a driver of a vehicle by providing driver and vehicle feedback control signals is disclosed. The system and method includes receiving location data of the vehicle from a GPS unit, receiving the location data of the vehicle and retrieving navigation characteristics relevant to the location data using a processing circuit, generating a most probable future path for the vehicle and determining a location of at least one navigation characteristic with respect to the most probable future path and the vehicle, generating vehicle data at least one vehicle sensor, and transmitting a control signal to a vehicle control area network to warn the driver of an upcoming navigation characteristic on the most probable path.

A vehicle drive assist system comprises a camera for picking up an image of an area existing in an advancing direction of a vehicle; display means for displaying the image picked up by the camera; steering angle detecting means for detecting a steering angle for steering the vehicle; traveling path predicting means for predicting a traveling path of the vehicle on the basis of the steering angle detected by the steering angle detecting means; and drive assist means for overlaying on the display means drive assist information containing the vehicle predictive traveling path predicted by the traveling path predicting means and guide lines prolonged from the lines defining the width of the vehicle body on the image of the area existing in the vehicle advancing direction.

A computer-implemented method, system, and program product includes a behavior processing system for capturing a three-dimensional movement of an operator of a vehicle, wherein the three-dimensional movement is determined by using at least one image capture device aimed at the operator, and identifying at least one behavior of the operator from the captured three-dimensional movement. An operator monitoring system for a vehicle determines whether the predicted behavior and the current operational state of the vehicle indicate unsafe operation of the vehicle and the operator monitoring system notifies the operator when unsafe operator of the vehicle is indicated by the operator's behavior for the current operational state of the vehicle.

A method of operating a vehicle powertrain system comprising an electric motor and transmission where the electric motor is operably and selectively coupled to the transmission and adapted to provide an output torque contribution thereto, and the electric motor has a predetermined maximum motor output torque and a predetermined minimum motor output torque which are used to determine a range of permissible control points for at least one transmission control parameter. The method includes establishing a motor torque reserve by performing at least one of decreasing the predetermined maximum motor output torque to a maximum reserved motor output torque and increasing the minimum motor output torque to a minimum reserved motor output torque, wherein the maximum reserved motor output torque and the minimum reserved motor output torque are used in place of the predetermined maximum motor output torque and the predetermined minimum motor output torque, respectively, to determine the range of permissible control points for the at least one transmission control parameter. The motor torque reserve may include a static motor torque reserve, a dynamic motor torque reserve, or a combination of both static and dynamic torque reserves. The dynamic torque reserve may include a predictive dynamic reserve, a reactive dynamic reserve, or a combination of a predictive reserve and a reactive reserve or reserves.

Methods, systems, and software are disclosed for operating a driver analysis system, including receiving vehicle operation data corresponding to operation of vehicles by drivers, identifying a peer group associated with a target driver, processing at least a portion of the vehicle operation data to determine driving performance of the target driver relative to driving performance of the peer group, generating a driving report which identifies the driving performance of the target driver, and transferring the driving report to a target device for viewing by the target driver and a member of the justice system.

A method for computationally predicting future movement behaviors of at least one target object can have the steps ofproducing sensor data by at least one sensor physically sensing the environment of a host vehicle, andcomputing a plurality of movement behavior alternatives of a target object sensed by the sensor(s).The context based prediction step uses a set of classifiers, each classifier estimating a probability that said sensed target object will execute a movement behavior at a time. The method can also include validating the movement behavior alternatives by a physical prediction comparing measured points with trajectories of situation models and determining at least one trajectory indicating at least one possible behavior of the traffic participant, estimating at least one future position of the traffic participant based on the at least one trajectory, andoutputting a signal representing the estimate future position.

The present invention includes, among other embodiments, a system embedded in a vehicle including several inputs. The inputs may include one hard coded data, data from sensors on the vehicle, data from external sensors, user coded data, data received from remote databases, data received from broadcast data steams or data that has been accumulated during use of the vehicle. The inputs provide information regarding vehicle speed, motor rpm, motor torque, battery voltage, battery current, and battery charge level, etc. The embedded system also includes a processor unit that receives information from the plurality of inputs and calculates at least an expected vehicle range. The results of any calculations completed by the processing unit is supplied as an output to a display unit, which then displays the information to the user.

A hybrid electric powertrain includes an electrical energy storage device and electric machines. A method for operating the powertrain is disclosed to control the electric machines effective to attain a predetermined state of life profile for the electric energy storage device.

A vehicle drive assist system comprises a camera for picking up an image of an area existing in an advancing direction of a vehicle; display means for displaying the image picked up by the camera; steering angle detecting means for detecting a steering angle for steering the vehicle; traveling path predicting means for predicting a traveling path of the vehicle on the basis of the steering angle detected by the steering angle detecting means; and drive assist means for overlaying on the display means drive assist information containing the vehicle predictive traveling path predicted by the traveling path predicting means and guide lines prolonged from the lines defining the width of the vehicle body on the image of the area existing in the vehicle advancing direction.

A predictive cruise control system utilizes information about the current vehicle position, and upcoming terrain to save fuel and increase driving comfort. A vehicle operating cost function is defined, based on a plurality of environmental parameters, vehicle parameters, vehicle operating parameters and route parameters. As the vehicle travels over a particular route for which route parameters, such as road gradient and curvature, are stored in a road map, sensors aboard the vehicle detect environmental and vehicle operating parameters, including at least vehicle speed and its position relative to the road map. As the vehicle proceeds, an onboard computer iteratively calculates and stores in a memory vehicle control parameters that optimize the vehicle operating cost function for a predetermined prediction horizon along the route ahead of the vehicle. The optimal vehicle control parameters for the Prediction Horizon are then stored, updated and used to control the vehicle.

Energy consumption of a vehicle is optimized while traveling a route assembled of road segments between a first position and a destination. A speed profile generator is located at least partially off of the vehicle and uses an energy consumption model of the vehicle together with road grade data corresponding to the route to calculate an optimal speed profile. The speed profile specifies target speeds for respective locations on the route for traversing the route with an optimized energy consumption. The speed profile generator compares energy consumption for a plurality of feasible speed profile trajectories between a maximum trajectory and a minimum trajectory in order to identify the optimal speed profile. A speed updater is responsive to a current position of the vehicle and the optimal speed profile to initiate the target speed for the current position.

A vehicle drive assist system comprises a camera for picking up an image of an area existing in an advancing direction of a vehicle; display means for displaying the image picked up by the camera; steering angle detecting means for detecting a steering angle for steering the vehicle; traveling path predicting means for predicting a traveling path of the vehicle on the basis of the steering angle detected by the steering angle detecting means; and drive assist means for overlaying on the display means drive assist information containing the vehicle predictive traveling path predicted by the traveling path predicting means and guide lines prolonged from the lines defining the width of the vehicle body on the image of the area existing in the vehicle advancing direction.

The present invention provides gene sets the expression of which is important in the diagnosis and / or prognosis of breast cancer.

In a planetary gear unit 120, a planetary carrier 123 is linked with an engine 150, a sun gear 121 with a motor 130, and a ring gear 122 with a motor 140 and an axle 116. A clutch 160 is disposed between the planetary gear unit 120 and the motor 140 to connect and disconnect the planetary gear unit 120 with and from the motor 140. A brake 162 is also provided to constrain the ring gear 122 in a released position of the clutch 160. The state of coupling the clutch 160 attains the structure of a parallel hybrid vehicle. The state of releasing the clutch 160 and activating the brake 162 to constrain the ring gear 122 attains the structure of a series hybrid vehicle. The technique of the present invention changes over the drive mode according to the driving state of the hybrid vehicle, thus ensuring an efficient drive that takes advantage of the characteristics of the respective drive modes.

A self-learning assisted hybrid vehicle system that includes a main power source for providing power to the vehicle, a supplemental power source for providing supplemental power for providing power to the vehicle and an electric motor or other mechanical system for driving the vehicle. The system also includes a self-learning controls unit that receives and stores information from a plurality of inputs associated with the vehicle. The self-learning controls unit uses the information to make predictions about future driving conditions of the vehicle to efficiently utilize the power sources of the hybrid vehicle.

The present invention discloses an intelligent traffic safety system based on comprehensive state detection and decision method thereof. The intelligent traffic safety system includes a person condition detection unit, a vehicle condition detection unit, a road condition detection unit, an intelligent decision unit, a driver warning unit, a current vehicle mandatory processing unit, a barrier warning unit, a pursuer warning unit and an after-crash warning unit. The person condition detection unit, the vehicle condition detection unit and the road condition detection unit are separately connected to the intelligent decision unit; the intelligent decision unit implements an intelligent traffic safety decision method based on comprehensive state detection, and respectively sends corresponding crash avoidance warnings and processing instructions to the driver warning unit, the current vehicle mandatory processing unit, the barrier warning unit, the pursuer warning unit and the after-crash warning unit connected to the intelligent decision unit.

A state estimation value indicating a battery state is successively calculated from time to time according to a battery model capable of dynamically estimating the internal state of the secondary battery by using an inspection value of a sensor group indicating the secondary battery behavior. By using the sate estimation value at each moment estimated by the battery model expression at each predetermined cycle, an I / O-enabled time is predicted when a predetermined power is continuously inputted (charged) or outputted (discharged) from the current moment. A load operation instruction of the secondary battery is set so as to avoid overcharge and over-discharge of the secondary battery according to the operation request to the load and by considering the predicted characteristics between input / output power and input / output-allowed time.

The technology described herein provides methods and systems for powertrain optimization and improved fuel economy including multiple displacement engine modeling and control optimization, automotive powertrain matching for fuel economy, cycle-based automotive shift and lock-up scheduling for fuel economy, and engine performance requirements based on vehicle attributes and drive cycle characteristics. Also provided is a reverse tractive road load demand simulation algorithm used to propagate a reverse tractive road load demand and a corresponding component torque and speed, derived from a vehicle speed trace, in a reverse direction through a powertrain system. Also provided is a dynamic optimization algorithm. The dynamic programming algorithm is applied to a matrix of fuel flow rates to find the optimal control path that maximizes the powertrain efficiency over a cycle.

A system and method of assisting a driver of a vehicle by providing driver and vehicle feedback control signals is disclosed herein. The system and method includes receiving location data of the vehicle from a GPS unit, retrieving navigation characteristics stored in a map database based on the location data, generating a path tree comprising a set of forward paths the vehicle can take and a path tree root comprising the current path the vehicle is on and generating vehicle data from at least one vehicle sensor. The system and method also includes determining a most probable future path for the vehicle, determining road curvature of the most probable path at a plurality of nodes, comparing the received vehicle data with a threshold at one of the plurality of nodes on the most probable path, and transmitting a control signal in the case that the threshold has been exceeded.