38results about How to "Avoid acceleration" patented technology

The invention discloses a cloud-end navigation method which is actuated by a plurality of cloud-end navigation devices and a cloud-end navigation server. The method is used for obtaining a traffic sign state of at least one traffic sign. The method comprises the steps of firstly, loading electronic map data and a plurality of traffic sign points; then, getting a current position and picking up a monitored image to analyze whether the monitored image contains the traffic sign or not; if the monitored image contains the traffic sign, obtaining the corresponding traffic sign state, obtaining the corresponding traffic sign points according to the current position, and transmitting the traffic sign state and the traffic sign points to the cloud-end navigation server; finally, obtaining and displaying other traffic sign states by the cloud-end navigation device through the cloud-end navigation server.

A method of manufacturing a semiconductor device, comprises; a) forming a SiGe layer on a substrate; b) forming a Si layer on the SiGe layer ; c) forming a groove that exposes the side surface of the SiGe layer by partly etching the Si layer and the SiGe layer; and d) forming a hollow portion between the substrate and, the Si layer by etching the SiGe layer via the groove. Step d) further comprises: forming a part of the hollow portion by supplying a new liquid including a fluorinated nitric acid solution to the substrate and etching the SiGe layer, removing the fluorinated nitric acid solution once from the hollow portion that is under formation; and etching the SiGe layer by refilling a new liquid including a fluorinated nitric acid solution to the hollow portion.

The invention relates to a vehicle safety control system comprising an acceleration transducer, an analysis unit and a control unit, wherein the acceleration transducer is arranged on an accelerator pedal of a vehicle and used for sensing the movement amount of the accelerator pedal; the analysis unit is used for judging the obtained movement amount and judging that a motion of treading the accelerator pedal at a high speed happens when the movement amount exceeds a preset value; and the control unit is used for controlling the vehicle to be not accelerated when the motion of treading the accelerator pedal at a high speed happens. The vehicle safety control system is capable of avoiding the acceleration of the vehicle when a driver treads the accelerator pedal by mistake. The invention also provides a vehicle safety control method.

The invention relates to a reclosing route selection acceleration discrimination method which is based on the TV at two sides. Circuit voltage is first sampled for two circuits corresponding to a central circuit breaker by the reclosing device, and the memory voltages of the two circuits are calculated; if the memory voltage is lower than the valve value, the circuit is malfunctioned, and corresponding circuit is accelerated. Non-malfunctioned circuit is avoided to be accelerated. By dynamic test certification and the method, the reclosing device corresponding to the central circuit breaker can successfully discriminate the malfunction circuit between two circuits, prevents a reclosing from accelerating the circuit which has no malfunction when malfunction occurs, avoids the misoperation of the circuit protection device in acceleration state which is caused by closing impulse current, and improves the operation stability of electric system.

The invention relates to a method and a device for controlling an automatic transmission, the automatic transmission (100) comprising a single-stage planetary gear train (110) in combination with a two-stage planetary gear train (120), and provision being made for a brake band (B1) assigned to the large sun gear of the two-stage planetary gear train (110) and a brake coupling (B2) assigned to theplanet carrier of the two-stage planetary gear train (120). In order to reduce idling vibrations, the brake band (B1) and the brake coupling (B2) are actuated simultaneously for at least some of the time during an operating state in which the internal combustion engine is idling.

The invention discloses a driving assistance system based on artificial intelligence, which relates to the technical field of driving assistance systems and comprises a throttle lever. A piezoresistoris fixedly connected to the middle of the throttle lever, and a negative plate electrically connected with the piezoresistor is fixedly connected to the inner wall of the throttle lever. According tothe driving assistance system based on artificial intelligence, a limiting block and a limiting groove are matched for use, in an initial state, the rotating block can be fixed at a specific positionunder the action of the torsional spring, the limiting block is clamped with the limiting groove, the rotating block and the mounting cylinder are relatively fixed, at the moment, the pedal is convenient to step downwards, the throttle lever is driven to rotate together, when the pedal is treaded downwards violently, due to the fact that the stress is too large, the limiting block can be extrudedinto the rotating block under the action of the limiting groove, the rotating block can rotate conveniently, the effect that the rotating block and the mounting cylinder are relatively fixed conveniently is achieved, the situation that when the pedal is treaded, the throttle lever cannot be driven to rotate is avoided, and when the pedal is suddenly treaded violently, the rotating block rotates,and transmission is convenient.

A controller for a vehicle propulsion system that includes a prime mover, a transmission connected to the prime mover to receive input torque on an input shaft and to convert the input torque to an output torque on an output shaft, a transmission input shaft speed sensor, and a transmission output shaft speed sensor. The controller provides a gear ratio value that is based upon a signal indicatingan operating condition of the transmission other than a signal from the transmission input shaft speed sensor and the transmission output shaft sensor.

The invention discloses a one-to-two automobile model wheel rotation wind tunnel test platform. The one-to-two automobile model wheel rotation wind tunnel test platform comprises a rack, a wheel installation shaft, an installation flat plate, a driving motor, a conveying belt and two mobile belt systems, wherein the wheel installation shaft is rotatably supported on the rack, the installation flatplate is supported above the rack, a sliding groove is formed in a surface of the installation flat plate, the driving motor is detachably arranged on the installation flat plate, can move along thesliding groove and further gets close to or deviates from the wheel installation shaft, the two mobile belt systems are respectively arranged at two sides of the installation flat plate and can be used for supporting and driving model wheels to rotate, and the model wheels sleeve two ends of the wheel installation shaft and can rotate around the wheel installation shaft. The driving motor providedby the invention can move along the sliding groove and further gets close to or deviates from the wheel installation shaft, so that the driving motor is used for test of automobile models with different shaft distances. A one-to-two automobile model wheel rotation wind tunnel test method is also disclosed.

The invention is suitable for the field of computers, and provides a self-adaptive data identification and storage method and system for an Internet of Vehicles terminal, and the method comprises the steps: carrying out the pre-identification processing of obtained road condition information and traffic jam data, planning the driving information of a current vehicle in a subsequent road segment according to the pre-identification processing result, the driving information at least comprises a driving route and a driving speed; judging whether the current vehicle is about to enter a dangerous road section within a preset distance according to the driving information of the current vehicle, wherein the dangerous road section at least comprises a tunnel road section; if the current vehicle is about to enter the dangerous road section within the preset distance, the method has the beneficial effects that the information interaction between the adjacent vehicles is carried out when the vehicle networking terminal enters the dangerous road section through a pre-identification processing mode, so that the driving safety is improved, the automatic classified storage of the data is facilitated, and the subsequent research, judgment and viewing are facilitated.

The device (1) has position obtaining unit (10) which is formed for determining a position on a traffic road. The device further comprises a position sensor (11) for sensing position information (12) and a control unit (13) for transmitting the position information (14) obtained from position obtaining unit and the position information from the position sensor. A slope calculation unit (15) is provided for receiving the location information from the position sensor and for determining a gradient information (16) on the slope of the road at a particular position. Independent claims are included for the following: (1) a method for accumulation of road data; and (2) a computer program product for accumulation of road data.

The invention relates to a method and control device for operating an electric vehicle or a hybrid vehicle. The vehicle comprises a drive unit including an electrical machine, wherein when there is noaccelerator pedal operation, via a creeper and hill start function on the electric machine, an actual moment is provided at the output end, and the actual moment is depended on a rated moment requested by the creep and hill start function at the control side. In accordance with the invention, a change in the acceleration that is formed depending on the actual moment at the output end is determined. Depending on the acceleration change, a maximum permissible creep and hill start moment is determined. Then, if the rated moment requested by the creep and hill start function is smaller than the maximum permissible creep and hill start moment, the rated moment requested by the creep and hill start function is left unchanged. Then, when the rated moment requested by the creep and hill start function is greater than the maximum permissible creep and hill start moment, the rated moment requested by the creep and hill start function is reduced to zero or in reduced to about zero.

The invention relates to a method for carrying out a shifting operation in a sequential manual transmission, in particular a shifting claw transmission. During the shifting operation, a maximum clutch torque (24) that can be transmitted by a clutch arranged between an engine and a transmission input shaft is automatically reduced without completely disengaging the clutch.

The invention discloses a dynamic adjusting method and device for controlling torque output threshold of full electric vehicle. The method comprises the following steps: obtaining a slope angle of the road on which the full electric vehicle is running; determining a vehicle dynamic adjusting level based on the slope angle, wherein the vehicle dynamic adjusting level is positively correlated with the slope angle; determining a first torque output threshold based on the vehicle dynamic adjusting level and the current rotating speed, wherein the first torque output threshold is positively correlated with the vehicle dynamic adjusting level and is negatively correlated with the current rotating speed; determining a second torque output threshold based on the vehicle dynamic adjusting level and the current large torque duration, wherein the second torque output threshold is positively correlated with the vehicle dynamic adjusting level and is negatively correlated with the current large torque duration; obtaining the current output threshold based on the first torque output threshold and the second output threshold, under the constraint conditions of the maximum torque output threshold and the minimum torque output threshold of the full electric vehicle. The dynamic adjusting method and device for controlling torque output threshold of full electric vehicle have the advantages of strong applicability, good safety, and the like.

The invention provides a vehicle control method and system and a vehicle. The vehicle control method comprises the steps of: detecting if pedestrians are in front of the vehicle; if so, judging if projection conditions are met according to the state of the vehicle; if so, projecting pedestrian indicating lines to the areas of the pedestrians to guide priority passing of the pedestrians; and performing the speed limiting control on the vehicle to prevent acceleration of the vehicle when the pedestrian indicating lines are projected to the areas of the pedestrians. The vehicle control method canproject the pedestrian indicating lines to guide the pedestrians for priority passing through highways when the pedestrians are in front of the vehicle and the projection conditions are met, and meanwhile, performs the speed limiting control on the vehicle to improve the safety of the pedestrians and the vehicle.

The invention discloses a driving assistance system based on artificial intelligence, which relates to the technical field of driving assistance systems and comprises a throttle lever. A piezoresistoris fixedly connected to the middle of the throttle lever, and a negative plate electrically connected with the piezoresistor is fixedly connected to the inner wall of the throttle lever. According tothe driving assistance system based on artificial intelligence, a limiting block and a limiting groove are matched for use, in an initial state, the rotating block can be fixed at a specific positionunder the action of the torsional spring, the limiting block is clamped with the limiting groove, the rotating block and the mounting cylinder are relatively fixed, at the moment, the pedal is convenient to step downwards, the throttle lever is driven to rotate together, when the pedal is treaded downwards violently, due to the fact that the stress is too large, the limiting block can be extrudedinto the rotating block under the action of the limiting groove, the rotating block can rotate conveniently, the effect that the rotating block and the mounting cylinder are relatively fixed conveniently is achieved, the situation that when the pedal is treaded, the throttle lever cannot be driven to rotate is avoided, and when the pedal is suddenly treaded violently, the rotating block rotates,and transmission is convenient.

The invention relates to a speed regulation and control device of a steam locomotive. The speed regulation and control device comprises a vehicle and a controller, a battery and an acceleration sensor; the acceleration sensor detects the driving acceleration of the vehicle once at a time interval of less than 0.5 second and generates a driving acceleration value; the main controller is electrically connected to the driving motor, the battery and the acceleration sensor; the main controller is provided with a constant-speed driving set value; the main controller receives a driving accelerationvalue, detected by the acceleration sensor, of the vehicle; the calculating unit converts the running acceleration value and generates a converted vehicle speed value, and the main controller comparesthe converted vehicle speed value with a constant-speed running set value and outputs an adjusting signal to the driving motor and the battery, so that the energy-saving and power-saving effects thatthe vehicle is prevented from being accelerated unevenly between large speed differences are achieved.

The invention discloses an accelerator pedal for effectively preventing a new energy automobile from suddenly accelerating, and relates to the technical field of new energy. The accelerator pedal foreffectively preventing the new energy automobile from suddenly accelerating comprises a pedal; a connecting rod is rotationally connected with the bottom of the pedal; a movable plate is rotationallyconnected with the bottom of the connecting rod; a dielectric plate is fixedly connected with the middle of the movable plate; a spring is fixedly connected with the left side of the movable plate; and a sliding block movably connected with the outer side of the movable plate is fixedly connected with the left side of the spring. According to the accelerator pedal for effectively preventing the new energy automobile from suddenly accelerating, an electromagnet I matches a magnetic block I for use; when a driver suddenly steps on the pedal in case of an emergency, the dielectric plate can reduce the circuit voltage to be smaller than the maximum access voltage of a resistor I, the electromagnet I generates magnetism and attracts the magnetic block I, the conductive block attracts upwards, an accelerator electric signal is disconnected, vehicle acceleration is effectively avoided, and therefore the effect of preventing the vehicle from suddenly accelerating is achieved, and the safety ofpersonnel in the vehicle is guaranteed.

The invention discloses a dynamic adjusting method and device for controlling torque output threshold of full electric vehicle. The method comprises the following steps: obtaining a slope angle of the road on which the full electric vehicle is running; determining a vehicle dynamic adjusting level based on the slope angle, wherein the vehicle dynamic adjusting level is positively correlated with the slope angle; determining a first torque output threshold based on the vehicle dynamic adjusting level and the current rotating speed, wherein the first torque output threshold is positively correlated with the vehicle dynamic adjusting level and is negatively correlated with the current rotating speed; determining a second torque output threshold based on the vehicle dynamic adjusting level and the current large torque duration, wherein the second torque output threshold is positively correlated with the vehicle dynamic adjusting level and is negatively correlated with the current large torque duration; obtaining the current output threshold based on the first torque output threshold and the second output threshold, under the constraint conditions of the maximum torque output threshold and the minimum torque output threshold of the full electric vehicle. The dynamic adjusting method and device for controlling torque output threshold of full electric vehicle have the advantages of strong applicability, good safety, and the like.

The invention discloses a turbomachine extending longitudinally along the X-axis and comprising a main duct (V) in which a gas flow (F) flows from upstream to downstream, the turbomachine comprising at least one upstream compressor disk (V) 1A), at least one downstream compressor disc (1B) and for the concentrated gas flow (F) from the main duct (V) p ) in the airflow collection circuit that collects the airflow, and the airflow collection circuit includes a radial portion (CP 1 ) and longitudinal section (CP 2 ), radial part (CP 1 ) is installed with at least one airflow collecting pipe (4), the longitudinal section (CP 2 ) extending between the cylinder (5) and the central bore (13) of the downstream compressor disc (1B), the turbine comprising a plurality of vanes (6) in the longitudinal section (CP) of the airflow collection circuit 2 ) and is configured to rotate about the X-axis to drive the concentrated airflow (F p ).

The invention discloses a flying rescue vehicle. The flying rescue vehicle comprises a vehicle body and a folding lifting device; the folding lifting device is movably connected to the top of the vehicle body; the folding lifting device provides lifting power to the vehicle body; the folding lifting device is mounted perpendicular to the vehicle body during working; and the folding lifting deviceis placed horizontally to the vehicle body when the folding lifting device is not in working. Through adoption of the folding lifting device, the flying rescue vehicle has the advantages of convenientparking, small space usage and broad development application prospect.

The invention discloses an automatic adjusting conveying chute. The automatic adjusting conveying chute comprises a bearing section, a pre-acceleration section, an acceleration section, a buffering section and a constant speed section which are sequentially arranged, wherein a height adjusting device is arranged at the bottom of the end, close to the pre-acceleration section, of the acceleration section. According to the automatic adjusting conveying chute, the height of the acceleration section can be automatically adjusted, the transmission process is flexibly progressive, and the receiving process is accurately controllable, so that the speed and the position of the object can be adjusted, the collision between the objects can be reduced as much as possible, and the separation efficiency of the objects can be improved.

The invention relates to an electromagnetic pressure control valve. The electromagnetic pressure control valve comprises an electromagnetic actuator (12) configured to position a piston (20) that is received axially movable in a receiving opening (16) of a controller housing (14), wherein the piston facilitates opening or closing flow connections of multiple ports (P,A,T) of the electromagnetic pressure control valve (10), the piston includes a pin (44) at a face (42) that is oriented away from the electromagnetic actuator, a relative movement is enabled between the pin and the piston, a surface (90) of the pin that is arranged in the controller housing and oriented away from the piston is arranged opposite to a stop (48), wherein the pin is spring loaded to contact the stop so that a movement of the pin in a direction towards the stop is prevented, and a preload element (64) that is configured to provide the spring loading engages the pin.