32results about How to "Reduce the number of accidents" patented technology

The present application discloses a method and system for reminding pedestrians to collide with a vehicle, a camera, and a mobile terminal. The method includes: adjusting the angle; separately collecting multi-frame moving images of the vehicle and pedestrians; constructing a vehicle motion model based on the multi-frame moving images of the vehicle; Construct a pedestrian motion model based on the multi-frame motion images of pedestrians; judge the vehicle collision risk according to the vehicle motion model and pedestrian motion model; if there is a collision risk between the vehicle and pedestrians, send a warning message to the pedestrian's mobile terminal. The reminder method provided by this application models the motion patterns of vehicles and pedestrians through cameras at intersections, and judges whether there is a collision risk between the two based on the constructed vehicle motion model and pedestrian motion model. When there is a collision risk, the mobile terminal of the pedestrian Sending warning information does not require a network environment, and reminds pedestrians of danger through mobile terminals, reminding pedestrians to pay attention to vehicles at the intersection, and improving the safety of pedestrians when crossing the intersection.

The invention discloses a pressure induced alarming foot fastener and relates to the technical field of electric power overhauling. The pressure induced alarming foot fastener comprises a pedal plate, a pressure sensor, a first alarming device, a voltage detecting device, a telescopic arm and a pair of operating gloves, wherein the pressure sensor, a first alarming device, a voltage detecting device, a telescopic arm and a pair of operating gloves are located on an anti-slip device, the anti-slip device is connected to the telescopic arm, the rear end part of the telescopic arm is fixedly connected to the side end of the pedal plate, the first alarming device is located on the side face of a metal cavity opening of the telescopic arm, and an output of the pressure sensor is connected to the first alarming device. Thhe voltage detecting device comprises an arc-shaped detecting lead, a voltage sensor and a second alarming device, the arc-shaped detecting lead is located in the telescopic arm and is connected to the voltage sensor located on the side face of the telescopic arm, the second alarming device is located on the operating gloves and can accurately detect whether the stressed surface of the foot fastener is in full contact with the surface of an electric pole, the safety guarantee of workers is increased, and the accident number is deceased.

The invention discloses an automatic early warning system for power equipment failure by infrared imaging temperature measurement, and relates to the technical field of power equipment detection and maintenance. It includes signal acquisition unit, platform server, automatic early warning processing software and human-computer interaction interface. The signal acquisition unit transmits the collected signal to the platform server. Feedback handling. For the first time, the present invention applies the trend analysis of the conversion temperature of infrared temperature measurement combined with environmental climate information to the judgment of infrared temperature measurement trend warning of electric power equipment; for the first time, the infrared temperature measurement combined with environmental climate information and current load to calculate the maximum duration of the equipment The temperature of the hot spot of the load is analyzed, and this index is analyzed to predict the temperature trend, and further realize accurate and advanced warning.

The invention relates to a traffic control method of weaving vehicles in a road merging area, and aims at solving the problem that vehicles arriving at the merging area are slowed down to watch and then pass, resulting in traffic delay and heavy traffic in zipper-like traffic laws implemented on the merging area in peak hours. The method comprises the following steps: 1, investing the merging speed of vehicles in main pads in the road merging area, the merging speed of the vehicles in side roads, the maximum speed limitation of the main road, the maximum speed limitation of the side roads, andgeometric conditions of the roads; 2, determining the locations of a detector, a forced speed change area, a speed recovery area, a rewarding and punishing speed limitation area and a variable speedlimiting device; 3, determining the traffic control rules of the weaving vehicles in the merging area based on the positions, determined in step 2, of the detector, the forced speed change area, the speed recovery area, the rewarding and punishing speed limitation area and the variable speed limiting device. The method is applicable to the technical field of traffic information engineering and control.

The invention discloses an overall tensile simulation experiment device and method for a deep-water surface conduit feeding tool. The device includes an experiment frame, a low-pressure well head, a deep-water surface conduit feeding tool, a motor, an adapter, a data collector and a controller. The motor is fixed on the test frame, and the output shaft of the motor is respectively equipped with tension sensors, and the deep-water surface conduit feeding tool is equipped with strain sensors, and multiple sensing elements of the tension sensors and strain sensors are respectively connected to the The data collector is connected, and the data collector and the controller are connected by wires. The device and method for the overall tensile simulation experiment of the deep-water surface conduit feeding tool disclosed by the present invention can simulate the overall tensile performance of the feeding tool in the process of deep-water continuous drilling, provide a basis for deep-water conduit jetting running, and reduce deep-water conduit jetting running The number of accidents in the process is reduced, and safe and efficient drilling is finally achieved.

The invention discloses a sudden accident type recognizing method of a two-display-signal controlled cross-shaped intersection, and belongs to the field of intersection accident risk evaluation. The problems are solved that currently, there is a lack of a recognizing method of different accident types of the two-display-signal controlled intersection in a city, and then the accident types and risks at the intersection are not clear, and the corresponding safety improvement measures are not effective enough. Actual survey is utilized to obtain the accident frequencies of single-vehicle self accidents, rear-end collision accidents, clashing accidents, oblique collision accidents, same-direction scraping accidents, and direct-angle collision accidents which occur each year at some road-signal-controlled cross-shaped intersection in the city, and the accident risks of the single-vehicle self accidents, the rear-end collision accidents, the clashing accidents, the oblique collision accidents, the same-direction scraping accidents, and the direct-angle collision accidents are calculated respectively according to the accident opportunity numbers of the single-vehicle self accidents, the rear-end collision accidents, the clashing accidents, the oblique collision accidents, the same-direction scraping accidents, and the direct-angle collision accidents to recognize the sudden accident types of the intersection. The sudden accident type recognizing method of the two-display-signal controlled cross-shaped intersection is applicable to recognizing sudden accident types of the two-display-signal controlled cross-shaped intersection on a city road.

The invention discloses an overall bending resistance simulation experiment device and method for a deep-water surface conduit feeding tool. The device includes an experiment frame, a base, a deep-water surface conduit feeding tool, a tension sensor, an adapter, a pressure sensor, a first motor, Two motors, multiple stress sensors, data collectors and controllers. The overall tensile simulation experiment device and method of the deep-water surface conduit feeding tool provided by the present invention can simulate the overall bending and pulling performance of the feeding tool in the deep-water continuous drilling process through the motor, data collector and controller, and determine the feeding tool. The weak point of the overall bending resistance and the impact of this weak point on the operation of the deep water conduit provide a basis for the jet running of the deep water conduit, reduce the number of accidents during the jet running of the deep water conduit, and improve the safety, efficiency and accuracy of drilling.

The invention relates to an image processing-based automatic vehicle tracking driving method, comprising the following steps: setting a target vehicle image area as an interest area; converting the RGB color space of the interest area in the current frame image into an HSV color space; Perform histogram statistics on the HSV color space to obtain the histogram vector; collect the next frame image and perform particle filtering according to the histogram vector matching to obtain the position of the target vehicle; control the position of the target vehicle according to the displacement difference between the next frame and the current frame image The vehicle follows the target vehicle. The present invention is based on the image processing technology, based on the long-distance long-distance driving of multiple vehicles at the same time, which can relieve the long-distance fatigue of the drivers behind the vehicle and reduce the situation of vehicle accidents. At the same time, the equipment is simple to carry, and only the front-facing camera and the vehicle-mounted intelligent terminal are needed, that is, Automatic driving of the following vehicle can be easily realized.

The invention discloses an automatic early warning method for power equipment faults based on infrared imaging temperature measurement, and relates to the technical field of power equipment detection and maintenance. The main method step is to take the four data sets of T, T20, Tmax, and Tmax20, with the time as the X axis and the value as the Y axis, and perform incremental recursive regression modeling respectively, and the real-time temperature measurement data sets formed by each are used as the trend The basic data of the analysis; according to the trend model of T, T20, Tmax, Tmax20, predict the temperature value that T, T20, Tmax, Tmax20 will reach in the next 1 hour, 1 day, 1 week, according to the predicted temperature value, and alarm Threshold comparison to realize trend warning. For the first time, the present invention applies the trend analysis of the conversion temperature of infrared temperature measurement combined with environmental climate information to the judgment of infrared temperature measurement trend warning of electric power equipment; for the first time, the infrared temperature measurement combined with environmental climate information and current load to calculate the maximum duration of the equipment The temperature of the hot spot of the load is analyzed, and this index is analyzed to predict the temperature trend, and further realize accurate and advanced warning.

The invention discloses a transformer substation standard operation firming method which includes steps of operation order selection, identification verification, identification management, electric signing and the like. The transformer substation standard operation firming method is reasonable and capable of effectively improving misoperation prevention effect and achieving twice the result with half the effort in misoperation prevention. In addition, by the transformer substation standard operation firming method, 'technical prevention' measures are utilized fully to overcome defects of 'personal protection', field switching operation standardization, which is a big problem hard to solve for years, is controlled effectively and safely, accident prevention capacity is improved, and field violation and accident generation frequency are suppressed greatly. Accordingly, the transformer substation standard operation firming method has great direct economical benefit for enterprises and indirect social benefit.