34results about How to "Avoid emergency braking" patented technology

The invention discloses a UAV based unmanned vehicle control method. The method comprises that during driving of the unmanned vehicle, and the UAV is controlled to collect road condition information in front of the unmanned vehicle, and send the road condition information to an image analysis system; special road condition information obtained by analyzing the road condition information by the image analysis system is received from the image analysis system; and vehicle road information is obtained, and the unmanned vehicle is controlled according to the vehicle road condition information andthe special road condition information. The invention also discloses a UAV based unmanned vehicle control device and a storage medium. During emergency, the unmanned vehicle can be controlled in advance, and a driver and passengers are kept comfortable and safe.

The invention discloses a train control method for dealing with severe weather. The method includes the steps that step1, the forward speed of a wheel set is obtained, the difference between the forward speed and reference speed is calculated to obtain a ratio alpha of the difference to the reference speed, and the trackslip conditions of a train are determined by comparing the ratio alpha with a trackslip threshold value w; step 2, corresponding trackslip control is implemented according to the trackslip conditions of the train.

The invention discloses a method for computing a signaler trans-voltage command. The method specifically comprises the following steps of: enabling a zone control system to acquire the position of the signaler and the external section of the signaler; judging whether the external section of the signaler is in an occupied state or not, if so, determining the position of a train which is closest to the signaler; and judging whether the head and the tail of the train cross the signaler or not according to a position relation between the train and the signaler, computing to generate a corresponding signaler trans-voltage command, sending the signaler trans-voltage command to an interlock which corresponds to the zone control system, and controlling a moment when the signaler is switched from an enabling signal to an inhibiting signal by using the interlock. Due to the adoption of the method, undesired emergency brake of the train is avoided, the running efficiency of the train in a CBTC (Communication Based Train Control) mode is increased, and running of multiple rows of CBTC trains in the same route or the same zone is realized.

The invention discloses a right-turning intelligent vehicle two-stage braking active collision avoidance system based on a collision time, and the collision avoidance system comprises the following parts: an information sensing system which is used for detecting the information of a target vehicle and the state information of a pedestrian, and outputting the information of the target vehicle and the state information of the pedestrian; a collision time calculation system that is used for receiving the target vehicle information and the pedestrian state information, classifying collision conditions, calculating collision time and outputting the collision time; and a two-stage braking active collision avoidance system that is used for receiving the collision time and executing collision avoidance after performing grade judgment. The invention discloses a right-turning intelligent vehicle two-stage braking active collision avoidance method based on the collision time.

The invention relates to an anti-falling device, in particular to a device combining advertisements and an elevator anti-falling prompt. The device comprises a lift car, guide rails, stopping slidingblocks, stop blocks, centrifugal clutches, safety pull ropes, a safety box and a display system, wherein sliding grooves which are fixedly connected with the lift car are symmetrically arranged on thetop face of the lift car, the stopping sliding blocks are arranged in the sliding grooves and are in sliding connection with the sliding grooves, the driving ends of the centrifugal clutches are fixedly connected with rolling guide shoe shafts of the lift car, the driven ends of the centrifugal clutches are connected with a transmission shaft, a pull ring is arranged in the safety box, the display system is arranged on the inner wall of the lift car, an emergency prompt video is planted in the display system, and when a selector switch is triggered, the display system is switched to play theemergency prompt video, the stop blocks are arranged on the well wall, and buffer springs are arranged on the stop blocks. According to the device, emergency braking of passengers due to misoperationcan be prevented, an emergency prompt video can be played when the lift car falls at the overspeed, the passengers are reminded to carry out emergency braking at the first time, and the safety coefficient of the lift car is improved.

The invention discloses a traffic light control system based on a GPS navigation system. The traffic light control system comprises a traffic light management system, a GPS navigation system, a prejudging system and a reminding system, wherein the traffic light management system controls the state of signal lights; the position of the traffic lights is marked on a display terminal of the GPS navigation system; a timing module is arranged in the GPS navigation system and displays the state of the traffic lights on the display terminal; the prejudging system comprises a distance module and a computation module; the distance module sends computation signals to the computation module when the distance from a vehicle to a road junction is equal to a preset threshold value; the computation module evaluates the state of the signal lights when the vehicle arrives at the road junction according to the vehicle speed and the state of the signal lights; the reminding system comprises a judging module and a reminding module; and the judging module judges whether the vehicle speed needs to be adjusted according to the state of the signal lights and sends the result to the reminding module. The traffic light control system can display the state of traffic lights on the navigation system, thereby avoiding blind follow-up, emergency braking and disobeying of traffic lights, and ensuring trafficsafety.

The invention discloses a PCB splitting machine. The technical problems of coarse cuts and welding spot crazing or part breakage caused by cutting stress of a circuit board in the prior art is solved. The PCB splitting machine comprises a cutting table, a tool rest and a horizontal guide rod, wherein a left protecting plate and a right protective plate are arranged on the cutting table, and an upper cover plate is arranged between the left protecting plate and the right protective plate. Threads are distributed on the horizontal guide rod, a nut sleeve is arranged on the tool rest, the tool rest is in threaded connection with the horizontal guide rod through the nut sleeve, a driving motor I is arranged at one end of the horizontal guide rod and supported on the cutting table. Two ends of the horizontal guide rod are supported on a liftable support through bearing seats, and the liftable support is fixed on the cutting table. A blade for cutting the circuit board is arranged on the tool rest. The PCB splitting machine performs cutting in a feeding type advance mode, the board splitting stress of the circuit board can be decreased, smooth cuts can be ensured, and welding spot crazing and part breakage can be prevented. The PCB splitting machine is provided with the liftable support, free lifting of the tool rest is achieved, and cutting of circuit boards different in thickness is achieved.

The invention discloses a municipal road overspeed warning system. The guardrail comprises a plurality of guardrail supporting columns, a warning lamp is fixedly mounted at the upper end of one guardrail supporting column; reflecting bases are fixedly installed at the upper ends of the other multiple guardrail supporting columns. Two connecting handrails are symmetrically installed between every two guardrail supporting columns, a plurality of reinforcing pipes are installed between every two connecting handrails at equal intervals, the outer wall of each reinforcing pipe is fixedly sleeved with a plurality of bearings, and the outer wall of each bearing is fixedly sleeved with an electromagnetic fan blade mechanism. Through the electromagnetic fan blade mechanism and the stator winding, air flow formed by high-speed passing of an automobile is converted into current for flashing of the warning lamp; an external power supply is not needed for power supply, electric energy is saved, long-time work is avoided, system losses are reduced, the warning lamp flickers in advance for a long distance, the safety of system prompting is improved, and the columnar lamps are sequentially turnedon during overspeed, so that the prompting strength is improved, and the attention of a driver is attracted.

The invention provides a shopping cart with brakes. Braking devices operated through braking handles on a handlebar are installed on rear wheels of the shopping cart, each braking device is connected with the corresponding braking handle through an inhaul cable, and an anti-collision baffle is installed on each front wheel. In the use process, the shopping cart can be braked and locked emergently through the braking devices when an collision happens. Besides, the front wheels are provided with the anti-collision baffles, so that the shopping cart is effectively prevented from colliding into other people in the shopping process.

The invention provides an automatic driving control method and system for a vehicle, and relates to the technical field of vehicles. The automatic driving control method comprises the steps that a master controller obtains first environment information and map information around the vehicle in real time and sends the first environment information and the map information to a slave controller; the slave controller obtains second environment information around the vehicle in real time; the slave controller judges whether the master controller breaks down or not; and if so, the slave controller plans a parking path according to the first environment information, the map information and the second environment information sent by the master controller for the last time, and controls the vehicle to be automatically parked according to the parking path. The automatic driving control method provided by the invention is high in parking safety and good in comfort.

The invention provides a subway shielding gate control method. The subway shielding gate control method is characterized by comprising the steps that running modes of a subway shielding gate control system are set into a normal running mode, an abnormal running mode and an emergency running mode, and when the control system is in the normal running mode, opening and closing of a subway shielding gate are controlled through an automatic system control mode; when the control system is in the abnormal running mode, opening and closing of the subway shielding gate are controlled through a platform level control mode; when the control system is in the emergency running mode, opening and closing of the subway shielding gate are controlled through a manual operation mode; under the situation that a control power source is powered off, normal gate opening and closing can be achieved; when the emergency situation happens and a safety loop cannot be transmitted to a signal system, only a manual bypass key switch on a PSC panel needs to be rotated, emergency braking of a train can be avoided, and therefore railway paralysis is avoided.

The invention provides an automobile energy recovery system and an automobile. The energy recovery system is arranged on the automobile. The energy recovery system comprises a GPS system, a VCU module and an MCU module. The GPS system is electrically connected with the VCU module, and the VCU module is electrically connected with the MCU module; the GPS system is used for identifying the position of the vehicle, the distance of the speed limit board and the vehicle speed and transmitting the information to the VCU module; the VCU module is used for calculating an energy recovery mode according to the position of the vehicle, the distance of the speed limit board and the vehicle speed and feeding back a result to the MCU module; the MCU module feeds back the result fed back by the VCU module to the execution mechanism to automatically finish the speed reduction action; according to the automobile energy recovery system and the automobile, automatic road condition recognition, automatic calculation and recommendation of the optimal energy recovery capacity and automatic speed reduction can be carried out according to the road condition of a fast channel, frequent braking and emergency braking of a driver are avoided, overspeed driving of the driver is completely eradicated, driving safety is guaranteed, and energy recovery and utilization maximization can be achieved.

The invention provides a vehicle auxiliary braking system, belongs to the technical field of vehicle braking, and particularly relates to a vehicle auxiliary braking system. The problem that emergencybraking cannot be achieved when the temperature of a brake pad of an existing brake system is too high is solved. The system comprises an ECU controller, a pedal reset module, temperature measurementsensors, a main pump, a vacuum booster, an electromagnetic mechanism and a brake mechanism, wherein the brake mechanism comprises brake pads, the temperature measurement sensors are installed aroundvehicle hubs to measure the temperatures of the vehicle hubs and the brake pads, the temperature measurement sensors are in communication connection with the ECU controller, the pedal reset module isarranged at a vehicle accelerator pedal, the pedal reset module is in communication connection with the ECU controller, the main pump is arranged at the vehicle brake pedal, the main pump is in communication connection with the ECU controller, the ECU controller is in communication connection with the vacuum booster, the vacuum booster is connected with the electromagnetic mechanism, and the electromagnetic mechanism is connected with the braking mechanism. The vehicle auxiliary braking system is mainly used for braking control of vehicles.

The invention relates to the technical field of Internet of Vehicles. The invention provides a vehicle, vehicle machine equipment and a traffic light information prompting method thereof. The vehicle-mounted equipment judges whether a next target traffic light exists in the driving path or not; if the target traffic light exists, acquiring the real-time position of the vehicle by adopting a V2X Internet of Vehicles network; calculating a real-time distance from a vehicle to the target traffic light according to the real-time position, monitoring road condition information between the real-timeposition and the target traffic light and a real-time state of the target traffic light, and calculating control information of the vehicle according to the real-time distance, the road condition information and the real-time state; and the control information is prompted to a user through a handheld terminal. According to the invention, the real-time position of the vehicle, the traffic light state and the road condition information are accurately/quickly obtained through the Internet of Vehicles technology, a user can be timely and effectively prompted and reminded to control the vehicle, and the traffic efficiency is effectively improved.

A method for selecting and executing at least one reactive action of a vehicle via a controller includes a control unit receiving sensor data from a vehicle sensor system; detecting an emergency situation based on the sensor data; performing an evaluation; and selecting and implementing a reactive action for minimizing an accident risk of the vehicle based on the evaluation, where, in the evaluation, sensors that are uninvolved in the detection of the emergency situation are not taken into account or are taken into account at a lower weighting, are operated at a reduced performance, and/or areoperated with a reduced scanning range. In addition, a control unit, computer program, and machine-readable memory medium can be provided for implementing the method.

The invention provides a shopping cart with brakes. Braking pedal plates are mounted on rear wheels of the shopping cart. The shopping cart can be prevented from emergency brake and stop when collision occurs during usage by means of the braking pedal plates. Besides, anti-collision baffles are mounted on front wheels so that the shopping cart can be effectively prevented from colliding with people accidentally during shopping.

The invention discloses a vehicle-mounted battery state monitoring system, method and device, and the method comprises the steps: monitoring the charging state of a vehicle-mounted battery through monitoring equipment which is electrically connected with the vehicle-mounted battery on unmanned equipment and a processor, and enabling the processor to carry out the monitoring of the state of the vehicle-mounted battery according to the monitored charging state of the vehicle-mounted battery; and judging whether the vehicle-mounted battery of the current unmanned equipment has a short-circuit risk or not, if the current vehicle-mounted battery has the short-circuit risk, giving out an early warning, and controlling the unmanned equipment according to a preset degradation control strategy. According to the method, equipment for monitoring the state of the vehicle-mounted battery is added between the vehicle-mounted battery and the processor on the unmanned equipment, and the unmanned equipment is controlled by adopting a degradation control strategy when the short circuit risk of the vehicle-mounted battery is determined, so that emergency braking of the unmanned equipment caused by the short circuit of the vehicle-mounted battery is avoided.

The invention discloses a block chain-based train simulation test system, which comprises an information collection module, an inbound brake module and a brake analysis module, and is characterized in that the information collection module is used for collecting driving information in a bus driving process; the inbound braking module is used for prompting a driver to start braking and decelerating when the bus enters a platform, the braking analysis module is used for analyzing and calculating the early braking distance when the bus enters the platform, the information collection module is electrically connected with the braking analysis module, and the braking analysis module is electrically connected with the inbound braking module. The information collection module comprises a camera shooting unit, a pressure sensing unit, a multi-channel counting module and a data input module, the camera shooting unit is used for shooting and imaging an upper opening and a lower opening of a bus, and the pressure sensing unit is used for sensing the treading force of a brake pedal in the running process of the bus. The method has the characteristics of good pull-in braking opportunity control and high riding comfort.