32results about How to "Reduce the impact of normal driving" patented technology

The invention discloses a method and a device for display of navigation information and relates to the technical field of map navigation. The method comprises the following steps: detecting whether a client side is in a screen-locking state; acquiring real-time navigation information applied to navigation of the client side in real time if the client side is in the screen-locking state to obtain navigation elements under the real-time navigation information; and based on an internal storage based on a pattern under the current screen-locking state, rendering the navigation elements under the real-time navigation information to a screen in the screen-locking state in real time. According to the method and the device for the display of the navigation information, the navigation information is displayed to a user in a picture form, so that the navigation information can be dynamically displayed on a screen-locking interface; the intuition performance is high, the influence of the environment in which a voice is located is reduced, the user can see the navigation application without unlocking the screen to perform a series of operations such as finding and switching to navigation application and then entering into a foreground so that the navigation can be implemented by directly seeing the navigation elements; the influence on the driving of the user is reduced.

The invention relates to a crossing pre-induction signal priority control method used for a rapid bus. The method is applied to a bus rapid transit (BRT) system, multiple detectors are arranged at a crossing setting position, arrival time of a bus is predetermined in advance, length of a corresponding signal phase of a crossing is adjusted in proportion, and a signal lamp of the crossing is controlled. According to the invention, multiple detectors are arranged before the crossing under the premise of a bus rapid transit mode, the arrival time of the bus is predetermined in advance, the length of the corresponding signal phase is adjusted in proportion according to the actual passing priority requirement, public vehicles and pedestrian are guaranteed to pass safely, the bus can preferentially pass by fully utilizing a green light signal of the crossing, and operating efficiency of the bus is improved.

The invention provides a scheduling optimization method for automatic driving buses. The method comprises: acquiring getting-on and getting-off transaction data and GPS trajectory data of an effectivebus IC card based on an original bus IC record and GPS data, and extracting an actual index of bus operation; according to an actual bus operation rule, establishing an automatic driving bus operation scheduling model considering the dynamic needs of passengers by combining the automatic driving features and getting-on and getting-off situations of passengers at arrival of the bus; and extractinginformation like passenger ODs from the actual bus data to serve as the model input, comparing optimized indexes including the bus operation time table, total passenger waiting time, bus carrying capacity, waiting passenger number at bus stops, and reflecting the optimization effect of the automatic driving bus scheduling. According to the invention, all currently operated vehicles on the whole bus route are optimized and the arrival times of buses at all bus stops, and the passengers at all bus stops are regulated in real time, thereby the utilization efficiency of the bus is improved and the passenger waiting time is shortened.

The embodiment of the invention discloses a method and device for controlling a vehicle. According to the specific embodiment, the method comprises the following steps of determining center points ofat least two frames of point cloud acquired for an identified obstacle in a vehicle driving process; carrying out curve fitting based on the determined at least two center points to obtain a fitting curve; based on the fitting curve, determining the moving speed of the obstacle; according to the moving speed of the obstacle, the driving speed of a vehicle and the distance between the obstacle andthe vehicle, predicting whether the vehicle can collide with the obstacle or not if continuing driving at current speed; and sending control information to the vehicle in response to the prediction that the vehicle can collide with the obstacle if continuing driving at the current speed, wherein the control information is used for controlling the vehicle to avoid collision with the obstacle. According to the embodiment, the influence of the shape change of the obstacle on the normal driving of an automatic driving vehicle is reduced, and the driving safety of the vehicle is improved.

The invention provides a hybrid power vehicle clutch electromagnetic valve clamping stagnation handling method, a system and an automobile. The method includes the following steps that whether a clutch electromagnetic valve is subjected to clamping stagnation or not is detected; in response to clamping stagnation of the clutch electromagnetic valve, the current operating mode of a vehicle is detected, and operating modes include a pure electric mode, a range extending mode and a hybrid power mode; first preset currents are utilized and last for first preset time to periodically flush the electromagnetic valve, if the clamping stagnation fault disappears after flushing, the vehicle resumes normal operation, otherwise, an electromagnetic valve fault signal is generated; and according to theelectromagnetic valve fault signal and the current operating mode of the vehicle, a preset algorithm corresponding to the current operating mode of the vehicle is utilized to control the vehicle to continue operating. The system is used for implementing the method. The automobile comprises the system. By applying the method, the problem of hybrid power vehicle clutch electromagnetic valve clampingstagnation fault handling can be solved, and safe operation of the vehicle is guaranteed.

The invention discloses a control method for traffic prompt devices and a server. The method includes receiving a request message from a first vehicle; based on the request message, determining M routes containing the starting point location information of the first vehicle and the destination information of the first vehicle and vehicle operation condition information of the M routes; based on the vehicle operation condition information of the M routes, selecting a first route meeting a first preset condition from the M routes and sending the first route as navigation information to the first vehicle; selecting L traffic prompt devices in the first router and sending control information to the L traffic prompt devices.

The embodiment of the invention discloses a method and device for controlling a vehicle. A specific mode of execution of the method comprises the following steps of identifying a point cloud of an obstacle from the point clouds collected during vehicle travelling; determining the center point of the point cloud aiming at the obstacle and collected at least one collection moment at current collection moment and before the current collection moment; calculating the variance of at least two determined center points on the X-axis; determining whether the variance is smaller than a preset fluctuation threshold; and in response to determining that the variance is smaller than the fluctuation threshold, controlling the vehicle to continue to travel according to the current travelling speed, and correcting the coordinate value of the X-axis of the center point of the point cloud, collected at the current collection moment, of the obstacle. The mode of execution reduces the influence on the normal travelling of the autonomous travelling vehicle due to the change of the state of the obstacle.

The invention discloses an impacting steel wheel of a road roller and belongs to the field of the road roller. By adoption of the impacting steel wheel, the problem that the eccentric blocks can applyhorizontal eccentric forces on a main shaft to influence the traveling of the road roller is solved. The key points of the technical scheme of the impacting steel wheel of the road roller are characterized in that the impacting wheel comprises a wheel body and the main shaft, wherein the wheel body and the main shaft are coaxially arranged and are rotatably connected; the main shaft is rotatablyconnected with a first eccentric block and a second eccentric block which rotate reversely at constant speed; when the first eccentric block rotates to the lowermost end, the second eccentric block also rotates to the lowermost end; the main shaft is provided with a driving device for driving the first eccentric block and the second eccentric block to rotate. The impacting steel wheel disclosed bythe invention has the advantages that the structure is reasonable, the eccentric forces of the first eccentric block and the second eccentric block can be counteracted each other, and then the steelwheel generates impact in the vertical direction instead of impact in the horizontal direction, so that the purpose of reducing the influence on traveling of the road roller is achieved.

The invention relates to the field of communication, and discloses a voice control method and a device thereof. The method comprises the following steps: according to acquired voice information, generating a corresponding instruction used to execute, and generating a corresponding figure, the corresponding figure being used to display an identification result of the voice information; embedding the generated corresponding figure in a view page, in a current man-machine interaction interface, displaying the corresponding figure which is generated according to the voice information acquired most recently; if gesture sliding operation is detected in the man-machine interaction interface, displaying the corresponding figure indicated by the gesture sliding operation in the man-machine interaction interface, and executing the corresponding instruction of the indicated corresponding figure. The method simplifies the man-machine interaction interface, simplifies operation flow, reduces user operation cost, and reduces influence on normal driving of a user in operation.

The invention relates to a crossing pre-induction signal priority control method used for a rapid bus. The method is applied to a bus rapid transit (BRT) system, multiple detectors are arranged at a crossing setting position, arrival time of a bus is predetermined in advance, length of a corresponding signal phase of a crossing is adjusted in proportion, and a signal lamp of the crossing is controlled. According to the invention, multiple detectors are arranged before the crossing under the premise of a bus rapid transit mode, the arrival time of the bus is predetermined in advance, the length of the corresponding signal phase is adjusted in proportion according to the actual passing priority requirement, public vehicles and pedestrian are guaranteed to pass safely, the bus can preferentially pass by fully utilizing a green light signal of the crossing, and operating efficiency of the bus is improved.

The invention discloses a seedling planting device based on mechanical planting, which comprises a planting trolley body. One end of a box body plate is provided with a punching hole, and the other end of the box body plate is provided with a planting hole; a planting punching assembly for punching planting pits in the planting land is arranged at the top of the box body plate, a seedling putting assembly for putting seedlings in the running direction of the planting trolley body is arranged at the portion, away from the punching assembly, of the top of the box body plate, and a driving part for driving the planting punching assembly and the seedling putting assembly to conduct punching and seedling putting at the same time is connected to the top of a ceiling plate; one end of the box body plate is connected with a ridging piece for ridging soil after planting. According to the device, the driving part synchronously drives the planting punching assembly and the seedling putting assembly to punch holes and put seedlings, the punched planting low-lying land in the scheme is in an inverted bowl shape, the strength of the outer wall of the low-lying land is conveniently improved, collapse of the planting depression is reduced, and the planting low-lying land is prevented from being damaged. The collapse risk of the seedlings is reduced, and the seedlings survive conveniently.

The invention relates to a telescopic frog for a movable center turnout. The frog comprises a straight station track and a lateral station track which are arranged in a matched mode, a first wing track and a second wing track are arranged in a mode of being matched with the straight station track and the lateral station track, and a compensation swing unit is arranged in a mode of being matched with the first wing track and the second wing track. The side, facing the first wing rail, of the compensation swing unit sequentially comprises a rail transfer section, an elastic bendable section anda fixed section, a telescopic section is arranged on the rear portion of the side, facing the second wing rail, of the compensation swing unit, and the telescopic section is matched with the fixed section; and the compensation swing unit is connected to the controller. The influence of harmful space on rail running is reduced, the harmful space can be eliminated, the external force required for pulling the swing part is effectively reduced, the stability of the pulled short point rail is guaranteed, and then the running stability is guaranteed. The frog is compact and simple in structure, canbe exchanged with an existing fixed frog, eliminates harmful space of the frog for the urban rail transit main track subway turnout, eliminates track gauge line discontinuity, improves the comfort ofthe frog, reduces noise and is environmentally friendly.

The invention discloses a laser radar data processing method, and effectively solves the problems that an offline grid map cannot effectively reduce redundant point cloud data, the extraction rate ofan effective area is not high, the calculation time and the calculation duration cannot be effectively improved, and the normal driving of a vehicle is influenced. The method comprises the following steps: determining a vehicle driving area according to vehicle position information; using the vehicle-mounted processor for making a vehicle driving area into an offline grid map; the laser radar converting the surrounding environment of the vehicle into point cloud data; partitioning point cloud data by using a data processing method; then, performing AND operation with offline grid map. According to the method, redundant point cloud data is filtered out in multiple driving scenes of the vehicle, the calculation amount of the point cloud data is reduced, the calculation time is shortened, theimplementation efficiency of the point cloud data is improved, the extraction rate of an effective area is improved, and the influence of the redundant point cloud data on normal driving of the vehicle is reduced.

The invention discloses a heat preservation vehicle utilizing solar energy for polymerization heating. The heat preservation vehicle comprises a walking assembly, an accommodating assembly, a temperature adjusting assembly and a power supply assembly; the accommodating assembly is arranged at the upper part of the walking assembly; the temperature adjusting assembly is arranged at the side part ofthe accommodating assembly; the power supply assembly is arranged at the side part of the walking assembly; and the power supply assembly is electrically connected with the temperature adjusting assembly. According to the heat preservation vehicle, the walking assembly can simply and conveniently realize walking. The accommodating assembly provides a space for containing fruits and vegetables. The temperature adjusting assembly is used for adjusting the temperature so as to guarantee the placement temperature of fruits and vegetables. The power supply assembly is used for supplying power to guarantee operation of equipment.

The invention provides a hybrid power vehicle clutch electromagnetic valve clamping stagnation handling method, a system and an automobile. The method includes the following steps that whether a clutch electromagnetic valve is subjected to clamping stagnation or not is detected; in response to clamping stagnation of the clutch electromagnetic valve, the current operating mode of a vehicle is detected, and operating modes include a pure electric mode, a range extending mode and a hybrid power mode; first preset currents are utilized and last for first preset time to periodically flush the electromagnetic valve, if the clamping stagnation fault disappears after flushing, the vehicle resumes normal operation, otherwise, an electromagnetic valve fault signal is generated; and according to theelectromagnetic valve fault signal and the current operating mode of the vehicle, a preset algorithm corresponding to the current operating mode of the vehicle is utilized to control the vehicle to continue operating. The system is used for implementing the method. The automobile comprises the system. By applying the method, the problem of hybrid power vehicle clutch electromagnetic valve clampingstagnation fault handling can be solved, and safe operation of the vehicle is guaranteed.

The invention discloses an air conditioner compressor driving device using engine waste heat, comprising a vaporizer, a gas tank, a pneumatic motor, a condenser, a liquid storage tank and working media filled in a circulation pipeline formed by connecting the vaporizer, the gas tank, the pneumatic motor, the condenser and the liquid storage tank circularly in turn; the working media are used to absorb engine exhaust heat in the vaporizer and vaporized, the vaporized working media do work through expansion in the pneumatic motor, and the torque is output by the pneumatic motor; the working media doing work through expansion are cooled and condensed in the condenser; the air conditioner compressor driving device also comprises a first electromagnetic clutch linked between an engine and an air conditioner compressor, and a second electromagnetic clutch linked between the pneumatic motor and the air conditioner compressor; when the second electromagnetic clutch is attracted, the first electromagnetic clutch is disengaged; when the second electromagnetic clutch is disengaged, the first electromagnetic clutch is attracted. The engine waste heat can be used to drive the air conditioner system to work through the device effectively, and the cooling effect is not affected.

The invention discloses an air conditioner compressor driving device using engine waste heat, comprising a vaporizer, a gas tank, a pneumatic motor, a condenser, a liquid storage tank and working media filled in a circulation pipeline formed by connecting the vaporizer, the gas tank, the pneumatic motor, the condenser and the liquid storage tank circularly in turn; the working media are used to absorb engine exhaust heat in the vaporizer and vaporized, the vaporized working media do work through expansion in the pneumatic motor, and the torque is output by the pneumatic motor; the working media doing work through expansion are cooled and condensed in the condenser; the air conditioner compressor driving device also comprises a first electromagnetic clutch linked between an engine and an air conditioner compressor, and a second electromagnetic clutch linked between the pneumatic motor and the air conditioner compressor; when the second electromagnetic clutch is attracted, the first electromagnetic clutch is disengaged; when the second electromagnetic clutch is disengaged, the first electromagnetic clutch is attracted. The engine waste heat can be used to drive the air conditioner system to work through the device effectively, and the cooling effect is not affected.

The invention provides an automatic driving bus scheduling optimization method. The method includes: based on the original bus IC card records and GPS data, obtain valid bus IC card boarding and disembarkation transaction data and GPS trajectory data, and extract actual indicators of bus operation; integrate automatic driving features according to the actual bus operation rules, and combine the vehicle arrival time Passengers get on and off the bus, establish an automatic driving bus operation scheduling model that considers the dynamic needs of passengers; extract passenger OD and other information from the actual bus data as the input of the model, and optimize the bus operation schedule, overall passenger waiting time, and bus capacity Indexes such as traffic volume and number of passengers waiting at the station are compared with the actual state to reflect the optimization effect of autonomous driving bus dispatching. By optimizing all the vehicles currently operating on the entire bus line, real-time regulation of the arrival time of the bus at each station and the number of passengers at the station can improve the utilization efficiency of vehicles and shorten the waiting time of passengers.

The invention discloses anti-collision equipment for parking a new energy automobile into a garage, and relates to the technical field of new energy automobiles. The anti-collision equipment comprisesa frame body, a conveying belt is arranged in the frame body, a support column is fixedly connected with the top of the conveying belt, an annular channel is formed in the upper surface of the support column, an inner cavity is formed in the support column, a servo motor is fixedly installed on the inner wall of the inner cavity, and the output end of the servo motor is fixedly connected with a driving shaft. According to the anti-collision equipment for parking the new energy automobile into the garage, after a driver drives the automobile to the center of a buffer top plate, the servo motoris controlled to enable the two sides of the buffer top plate to be parallel to a garage line, the automobile is automatically parked into the garage, and the phenomenon that an automobile body collides with an object due to poor sight or misoperation is avoided; and the driver can observe the distance between an automobile front bumper and the edge of the buffer top plate, and the distance between the two sides of the automobile body and the edge of the buffering top plate, so that whether the automobile body is parked correctly or not is judged rapidly and accurately, parking time is greatly saved, and influences on normal running of other automobiles are reduced.

Embodiments of the present disclosure disclose methods and apparatuses for controlling a vehicle. A specific implementation of the method includes: determining the center point of the point cloud in at least two frames of point clouds collected for the identified obstacle during vehicle driving; performing curve fitting based on the determined at least two center points, to obtain Fitting curve; based on the fitting curve, determine the moving speed of the obstacle; according to the moving speed of the obstacle, the driving speed of the vehicle, and the distance between the obstacle and the vehicle, predict whether the vehicle will collide with the obstacle if it continues to drive at the current speed ; In response to predicting that the vehicle will collide with an obstacle if it continues to drive at the current speed, sending control information to the vehicle, wherein the control information is used to control the vehicle to avoid collision with the obstacle. This embodiment reduces the influence of the change of the shape of the obstacle on the normal driving of the self-driving vehicle, and improves the driving safety of the vehicle.

The invention discloses a laser radar data processing method, which effectively solves the problem that offline grid maps cannot effectively reduce redundant point cloud data, and the extraction rate of effective areas is not high, so that the calculation time and calculation duration cannot be effectively improved. And then affect the normal running of the vehicle. In the present invention, after determining the driving area of ​​the vehicle according to the vehicle position information, the on-board processor makes the driving area of ​​the vehicle into an offline grid map, the laser radar converts the surrounding environment of the vehicle into point cloud data, and uses the data processing method to first analyze the point cloud data. Block processing, and then perform "AND" operation with the offline grid map, which can filter redundant point cloud data in multiple driving scenes of the vehicle, reduce the calculation amount of point cloud data, shorten the calculation time, and improve the The implementation efficiency of point cloud data improves the extraction rate of the effective area and reduces the impact of redundant point cloud data on the normal driving of the vehicle.

A vehicle-mounted intelligent automatic driving system based on data learning disclosed by the present invention comprises a central control screen body, the central control screen body is provided with a fluid protection mechanism, the fluid protection mechanism comprises a fluid air bag, the fluid air bag is internally provided with a non-Newtonian fluid, and the fluid air bag is connected with a tough plate. The side, close to the center control screen body, of the tough plate is connected with a protection air bag, a plurality of replacement mechanisms are arranged on the tough plate and used for replacing the fluid protection mechanism, and a pair of buffering mechanisms is arranged on the center control screen body. Through the arrangement of corresponding mechanisms on the central control screen, when the central control screen is impacted or pressed by strong force, the damage probability is reduced, the influence on normal driving of a user is reduced, the danger is reduced, the driving safety is improved, the loss suffered by the user is reduced, the time cost is reduced, and the user experience is improved. The possibility of delaying the journey of the user is reduced, and the use experience of the user is improved.

The invention discloses a chassis steering system and a safety protection method and device. The chassis steering system comprises a steering controller, angle recognition equipment, N1 to Nn axis electric cylinder drivers, N1 to Nn axis electric cylinders and a display terminal. The steering angle information collected by the angle recognition equipment and the working states of N1 to Nn axis electric cylinder drivers are subjected to abnormal monitoring through the steering controller, and if it is monitored that the steering angle information is abnormal or the working state of any axis electric cylinder driver is abnormal, the steering angle of each steering wheel is controlled to keep a preset safety posture, and abnormal information is reported to the display terminal to be displayed, so that safety protection of the chassis steering system is effectively realized, and the system reliability is improved.

The invention discloses a vehicle-mounted advertisement push method based on voice communication, which comprises the following steps: a user dials an agent phone through a mobile terminal connected to the vehicle-mounted terminal, a background server obtains the user number and searches for a corresponding POI point; the background server analyzes the POI point, searches Corresponding advertising content; digital conversion of advertising content; sending digital data to the mobile terminal through the voice channel; the mobile terminal receives the digital data and realizes data interconnection with the vehicle terminal; Working status: When the IVI system is idle, broadcast, process and display the text content of the advertisement; when the IVI system is in the working state, pause the advertisement broadcast and display the text content of the advertisement. By adopting the present invention, the advertising content can be accurately pushed through the voice channel according to the user's use records and points of interest, avoiding data traffic charges, maximally increasing the advertising effect, and reducing the cost of pushing the advertisement.