128 results about "Green vehicle" patented technology

The present invention relates to a method of controlling an aircraft, missile, munition or ground vehicle with plasma actuators, and more particularly to controlling fluid flow across their surfaces or other surfaces, which would benefit from such a method. The method includes the design of an aerodynamic plasma actuator for the purpose of controlling airflow separation over a control surface of a aircraft, missile, or a ground vehicle, and more particularly to the method of determining a modulation frequency for the plasma actuator for the purpose of fluid flow control over these vehicles. The various embodiments provide the steps to increase the efficiency of aircraft, missiles, munitions and ground vehicles. The method of flow control provides a means for reducing aircraft, missile's, munition's and ground vehicle's power requirements. These methods also provide alternate means for aerodynamic control using low-power hingeless plasma actuator devices.

A system for renting vehicles is disclosed. The system can comprise a vehicle access communicator (“VAC”) capable of interfacing with one or more functions of a rental vehicle and a user provided portable electronic device. The VAC can control various functions of the vehicle including, but not limited to, the door locks and / or enabling / disabling the vehicle. The VAC can also monitor various functions of the vehicle including, but not limited to, the fuel level and / or the odometer readings. The VAC can connect to the portable electronic device using a suitable connection method to access additional functionality such as, for example and not limitation, locations services, cellular, and / or internet access. The VAC and the portable electronic device can be used to provide a rental system with reduced infrastructure and operating costs. The system can enable the use of “Green Zones” to provide permanent or temporary vehicle rental areas.

A method and device for the reduction of aerodynamic drag and for improved performance and stability of ground vehicles by reducing the mass and velocity of the flow passing under a vehicle is described. The device is particularly suited for a single unit truck system but may also be applied to a tractor-trailer truck system or any combination vehicle that includes a motorized lead vehicle pulling one or more non-motorized vehicles. The device is designed to control the flow from entering the undercarriage region from the front and side of the subject ground vehicle system.

The invention provides an automatic driving method. The method includes the following steps of obtaining the speeds of surrounding vehicles within a certain range, the distances between a host vehicle and the surrounding vehicles, and lane data; and judging driving operations which can be executed by the host vehicle according to the state of the host vehicle and the obtained state data of the surrounding vehicles within a certain range, wherein the driving operations specifically include continuing driving on an original lane, overtaking driving, lane changing driving and deceleration driving. By means of the automatic driving method provided by the invention, the actions of lane changing, overtaking and the like can be completed under the condition that safety is guaranteed to the maximum extent, safety of front and rear vehicles is guaranteed, and a good technical foundation is provided for full-automatic driving.

The invention discloses a hybrid power vehicle power assembly control method, and belongs to the control field of hybrid power vehicles. The hybrid power vehicle power assembly control method includes: obtaining running signals according to drive action of drivers, and then predicting current running conditions for the hybrid power vehicles, dividing the running conditions into country conditions, city conditions and high speed conditions, using a whole vehicle controller to receive current running condition information after confirming the current running conditions, and then reasonably selecting power allocation schemes according to whole vehicle demand torque and SOC states of batteries, reasonably allocating power, and achieving self-adaptive control for the different conditions. The hybrid power vehicle power assembly control method improves dynamic performance and fuel economy for the whole vehicles, can effectively control exhaust gas emission according to the different running conditions, accelerates development of environment friendly vehicles and green vehicles, and conforms to development demands of economy and environment protection.

The present invention relates to a reconfigurable porous technology for fluid flow control system and more particularly to reconfigurable porosity fluid flow control system for vehicles such as aircraft, missiles, ground and water vehicles to improve the performance of such vehicles. The present invention further relates to a method of operating the reconfigurable fluid flow control system.In one embodiment, the present invention includes a reconfigurable porosity system for fluid flow control on the surface of an aircraft, missile, water-craft or ground vehicle comprising a porous outer skin comprising individual pores; individually addressable valves corresponding and connected to the individual pores for opening and closing the pores; and a pneumatic system for connecting the pores wherein fluid from a high pressure area of the porous outer skin can be directed to a low pressure area of the porous outer skin by opening and closing the individually addressable valves. In another embodiment, the present invention includes a method of fluid flow control using reconfigurable porosity.

The disclosure relates to a vehicle prompting method and apparatus. The method comprises: first driving information of a preset vehicle and second driving information of other vehicles except the preset vehicle are obtained; according to the first driving information and the second driving information, avoidance information of the other vehicles to the preset vehicle is analyzed, wherein the avoidance information includes an avoidance road section and avoidance time; the avoidance information is sent to the other vehicles, wherein the avoidance information is used for prompting the other vehicles to avoid the preset vehicle. According to the technical scheme, the other vehicles can avoid the preset vehicle timely according to the avoidance information, thereby preventing a phenomenon of congestion of the preset vehicle due to other vehicles. Moreover, the coordinated scheduling of vehicles can be promoted, so that the vehicle driving becomes intelligent.

Disclosed are an energy switching control method and an energy switching control system for a hybrid electric vehicle in multiple operating modes. The energy switching control method includes the steps: firstly, according to vehicle running environments and road conditions detected in real time by a vehicular GPS (global positioning system) and a sensor, and according to current running road condition information of the hybrid electric vehicle, determining the corresponding operating modes of the vehicle, wherein the operating modes specifically include an engine-driven operating mode, a motor-driven operating mode, an engine and motor hybrid driven operating mode and an energy feedback and regenerative brake operating mode; and then designing a multi-mode switching control rule for the driving modes in terms of the running road conditions, and designing corresponding controllers for the operating modes respectively. According to the running environments and the road conditions, the energy switching control method and the energy switching control system control the optimal vehicle driving modes so as to reduce emission of vehicle exhaust, save fuel oil consumption, accelerate development of environment-friendly vehicles and green vehicles and improve endurance of the hybrid electric vehicle.

Disclosed is a system and method for computing distance to empty (DTE) based on available energy computed using a battery SOC vs open circuit voltage (OCV) table, battery temperature vs energy efficiency, an energy efficiency vs energy table, etc., to enable a more accurate calculation of the DTE in consideration of the temperature of the battery, which is one of disturbance elements.

A method of controlling an aircraft, missile, munition or ground vehicle with plasma actuators, and more particularly of controlling fluid flow across their surfaces or other surfaces which would benefit from such a method, includes the design of an aerodynamic plasma actuator for the purpose of controlling airflow separation over a control surface of a aircraft, missile, or a ground vehicle, and a method of determining a modulation frequency for the plasma actuator for the purpose of fluid flow control over these vehicles. Various embodiments provide steps to increase the efficiency of aircraft, missiles, munitions and ground vehicles. The method of flow control reduces the power requirements of the aircraft, missile, munition and or ground vehicle. These methods also provide alternative aerodynamic control using low-power hingeless plasma actuator devices.

The invention provides a vehicle anti-collision cruise control system and a control method thereof. The control method comprises the following steps of obtaining moving state information of a target passenger; according to the obtained moving state information of the target passenger and real-time driving state of a current vehicle, judging the advancing type of the target passenger; and according to the advancing type of the target passenger, controlling the driving manner of the current vehicle. According to the control method disclosed by the invention, the target passenger on each traffic lane on the periphery of the current vehicle is recognized, the advancing type of the target passenger is judged, and according to the advancing type, the current vehicle is controlled to bake or steer to avoid the passenger, so that the situation that the current vehicle collides with the passenger is avoided, and the safety of cruise driving is improved; besides, when multiple driving manners have conflict, according to the high-low degree of the safety grade, the control is executed according to a driving manner of which the safety grade is high, so that the safety of the passenger and the safety of the vehicle are guaranteed; and the vehicle anti-collision cruise control system disclosed by the invention also sends a congestion signal and a vehicle following signal to a rear vehicle or a traffic management system by utilizing a V2X technology, and is used for alarming the rear vehicle or coordinating with the traffic management system to direct traffic.

A control unit sets a front-end collision risk of a subject vehicle against a front vehicle in accordance with a time headway of the subject vehicle and a margin time to front-end collision of the subject vehicle, and a rear-end collision risk of the subject vehicle by a rear vehicle in accordance with a time headway of the rear vehicle and a margin time to rear-end collision of the subject vehicle, the margin time to rear-end collision having a larger weight than that of the margin time to front-end collision in the front-end collision risk against the front vehicle. Brake control and alarm control are performed in accordance with the front-end collision risk against the front vehicle and the rear-end collision risk by the rear vehicle.

To enable the effective supply of fuel in a low remaining fuel condition, even in a saddle-ride vehicle with a requirement for an increased fuel tank capacity being provided within a limited amount of space. The saddle-ride vehicle includes an engine having a cylinder disposed on a crankcase; an intake system component disposed at the rear of the cylinder for sucking air into the engine; and a fuel tank disposed above the engine for storing fuel. The saddle-ride type vehicle includes a fuel suction port in a side bottom plate portion of the fuel tank for feeding fuel to the intake system component. The saddle-ride vehicle has a sub-chamber having a wall that surrounds the fuel suction port and the sub-chamber includes a fuel flow opening toward the vehicle rear.

A method for communicating includes transmitting a command message from a lead vehicle to remote vehicles in a vehicle consist. Reply messages are transmitted from the remote vehicles to the lead vehicle. The reply messages include statuses of the remote vehicles that transmitted the reply messages. The status of a first remote vehicle but not of the second remote vehicle is received at the lead vehicle and the status of a second remote vehicle is received at the first remote vehicle. The status of the second remote vehicle is stored at the first remote vehicle a retry message is transmitted from the lead vehicle to the remote vehicles. The retry message is received at the first remote vehicle and a repeat message is transmitted from the first remote vehicle to the lead vehicle that includes the status of the second remote vehicle.

A method of controlling an aircraft, missile, munition or ground vehicle with plasma actuators, and more particularly of controlling fluid flow across their surfaces or other surfaces which would benefit from such a method, includes the design of an aerodynamic plasma actuator for the purpose of controlling airflow separation over a control surface of a aircraft, missile, or a ground vehicle, and a method of determining a modulation frequency for the plasma actuator for the purpose of fluid flow control over these vehicles. Various embodiments provide steps to increase the efficiency of aircraft, missiles, munitions and ground vehicles. The method of flow control reduces the power requirements of the aircraft, missile, munition or ground vehicle. These methods also provide alternative aerodynamic control using low-power hingeless plasma actuator devices.

The invention discloses a gas station information prompting method. The method includes the following steps that license plate information of a vehicle is obtained and transmitted to a server; the server conducts matching through a license plate information database to obtain vehicle type information and the type of an oil product; the type of the oil product is matched with refueling machines toobtain the position of an idle refueling machine, and a projection device guides the vehicle to enter the position of the idle refueling machine according to a projection of the license plate information of the vehicle; the vehicle stops, refueling information is projected, refueling is started after a driver confirms the refueling information, and oil amount change information is projected; refueling is completed, a refueling completion animation and refueling cost are projected, whether or not the driver is a member is judged through a face recognition result, and graded rewarding is conducted according to the expression of the driver; the transaction is ended, and a projection instruction animation guides the vehicle to leave. The type of the vehicle oil product is obtained intelligently according to the vehicle, the position of the idle refueling machine is obtained according to the working state of the refueling machines, the refueling vehicle is intelligently guided through the projection manner, the user experience is improved, and the operation efficiency is improved.

Disclosed is a main relay monitoring system and method for a green vehicle, where a main relay is installed between a high voltage battery and an inverter in order to diagnose whether the main relay, which controls the output of the high voltage battery, is fused. In particular a switching operation of an inverter is stopped when an ignition off is detected, and a main relay is turned off and a voltage output of a main battery is cut. Then, a voltage charged at a DC link capacitor is forcibly discharged once the main relay is completely turned off. A voltage of the main battery is then compared to an input voltage of the inverter, and a determination is made based off of this comparison whether the main relay is fused.

Ground vehicle control techniques adapted to reduce energy consumption, braking, shifting, travel distance, travel time, and or the like. The techniques can generate a target speed window and a target vehicle performance plan for controlling operation of a ground vehicle along a current and one or more upcoming segments of a roadway responsive to the dynamic driving environment.

A prevention safety device in course change of small-sized vehicle includes a rear vehicle detector, a detection state determining unit, and a vehicle's own information transmitting unit. The rear vehicle detector is configured to detect a rear vehicle travelling at a rear of one's own vehicle. The detection state determining unit is configured to determine whether the rear vehicle detects one's own vehicle or not when the rear vehicle detected by the rear vehicle detector is an autonomous vehicle. The vehicle's own information transmitting unit is configured to transmit vehicle's own information to the rear vehicle immediately before one's own vehicle changes a course when the detection state determining unit determines that the rear vehicle does not detect one's own vehicle.

A computer-implemented method for generating at least one segment of an offset path for a vehicle based on at least one segment of a base path is provided. The at least one segment of the base path is represented by a stored set of data points. The computer-implemented method includes comparing the at least one segment of the base path to a curvature constraint to determine if the at least one segment of the base path violates the curvature constraint. The curvature constraint is based on a characteristic of the vehicle and a desired offset distance from the at least one segment of the base path. The characteristic reflects the vehicle's ability to traverse at least one segment of a path. The method further includes modifying the at least one segment of the base path to satisfy the curvature constraint, if the at least one segment of the base path violates the curvature constraint. At least one segment of an offset path for the vehicle to follow is generated based upon the desired offset distance from the modified at least one segment of the base path.

The invention discloses an external braking fault alarm system and an implementation method thereof, and belongs to the technical field of vehicle anticollision. The external braking fault alarm system comprises a double-flashing light, a vehicle-mounted anticollision radar, a wireless transmitter, a vehicle speed sensor and a braking fault sensor which are connected with a current body control module, and further comprises a wireless receiver, a voice alarm and a display which are all connected with a rear body control module. The external braking fault alarm system and the implementation method thereof are mainly applied to the vehicle anticollision technology, and have the advantages that when a braking system unit of a front current faulted vehicle is faulted, the current faulted vehicle can timely send an avoidance alerting signal to a rear vehicle to allow the rear vehicle to avoid the front current faulted vehicle timely, and even though the rear vehicle has no time to avoid the front current faulted vehicle timely, the rear vehicle cannot directly collide with the front current faulted vehicle.

Disclosed is a main relay monitoring system and method for a green vehicle, where a main relay is installed between a high voltage battery and an inverter in order to diagnose whether the main relay, which controls the output of the high voltage battery, is fused. In particular a switching operation of an inverter is stopped when an ignition off is detected, and a main relay is turned off and a voltage output of a main battery is cut. Then, a voltage charged at a DC link capacitor is forcibly discharged once the main relay is completely turned off. A voltage of the main battery is then compared to an input voltage of the inverter, and a determination is made based off of this comparison whether the main relay is fused.

The invention discloses a method for detecting forward collision. A safety system for an automotive vehicle includes: a dedicated radio to receive and transmit state data between a host vehicle and aremote vehicle; a global positioning system (GPS) receiver; an on-board unit (OBE) to perform a vehicle-to-vehicle (V2V) communications so that the host vehicle receives state data of the remove vehicle in a basic safety message (BSM) format; and a safety control unit. In particular, the safety control unit receives the state data of the host and remote vehicles, calculates a separation distance,a prediction horizon time, and then compares the prediction horizon time with a driver reaction time to generate a warning to a driver. More specifically, the safety control unit performs a cost valueprocedure when a deducted prediction horizon time is greater than zero to determine variable coefficients for estimating a future position and speed of the host and remote vehicles.

Ground vehicle control techniques adapted to reduce energy consumption, braking, shifting, travel distance, travel time, and or the like. The techniques can generate a target speed window and a target vehicle performance plan for controlling operation of a ground vehicle along a current and one or more upcoming segments of a roadway responsive to the dynamic driving environment.

The invention discloses a vehicle safety protection method and device. The vehicle safety protection method comprises the steps that threshold values are set; the travelling speed of a vehicle, the relative speed and the vehicle distance between the vehicle and a front vehicle, and surrounding obstacles are detected and compared with the set threshold values; whether detected data are larger thanthe set threshold values or not is analyzed; if the detected data are larger than the set threshold values, alarm is issued; and when a driver does not take deceleration or acceleration braking measures within 0.8 second, a system conducts emergency braking and increases the distance between the vehicle and the front vehicle or a rear vehicle in a forced mode. The steps are matched with an information acquisition module, an information processing and control unit, an execution module, a storage module and a power supply unit in the device to be implemented, the travelling speed of the vehicleis controlled within the safe travelling speed range, meanwhile, the vehicle is all-dimensionally monitored in real time, the timely alarm function is provided, the rear-end accident rate is effectively decreased, and when the two vehicle collide, the vehicle active safety protection device is automatically started, so that the travelling safety is improved all-dimensionally.

The invention discloses a method and a device for controlling rear-end collision of vehicles in time of tire burst. The method includes: a rear vehicle detector detects, at certain time intervals, relative speed and relative distance L between a vehicle body and a rear vehicle as well as position coordinates of the rear vehicle corresponding to the vehicle body; a speed sensor detects the speed of the vehicle body, a transverse angular velocity sensor detects transverse angular velocity of the vehicle self, and a tire pressure sensor detects tire pressure; a controller sequentially calculates maximum deceleration that can be executed on different rear vehicles; according to maximum deceleration speed control, the controller controls the vehicle self to slow down within the maximum deceleration control speed through a vehicle power system and a brake producing device. By the method and the device, the vehicle self can be controlled to be braked to slow down in time of the tire burst according the speed of the same and the rear vehicle as well as the distance from the rear vehicle.

Systems and methods for braking or launching a ride vehicle are disclosed. In one embodiment, a system includes a linear induction motor (LIM) installed in a curved portion of a track, a ride vehicle disposed upon the track, one or more reaction plates coupled to a side of the ride vehicle facing the track via a plurality of actuators, one or more sensors configured to monitor an air gap between the one or more reaction plates and the LIM, and a processor configured to determine which of the plurality of actuators to actuate and a desired performance of each of the plurality of actuators based on data received from the one or more sensors to maintain the air gap at a desired level throughout traversal of the curve by the ride vehicle.