82results about How to "Reduce risky situations" patented technology

The invention discloses a vehicle navigation system with the high safety and a guiding method thereof. The vehicle navigation system comprises a real-time data collection unit, a data processing unit, a navigation map storage unit and an output reminding unit; the data processing unit receives real-time data collected by the real-time data collection unit, the real-time data is matched with map data provided by the navigation map storage unit after being processed, and then guiding information is output by the output reminding unit. Accordingly, the driving safety is promoted through sensor recognition results, sensors comprise a high-precision map, a binocular camera and a radar, the characteristics of all the sensors are combined, targeted screening and filtering are conducted, and after the results are integrated, the safety guiding information is output.

The invention discloses a vehicle transverse stability control method based on a heuristic algorithm. The method comprises the following steps: parameters of a vehicle are collected, wherein the parameters needing to be collected comprise intrinsic parameters and real-time parameters, and the intrinsic parameters comprise the total mass m of the vehicle, the rotational inertia Iz, the distances lfand lr from a front axle and a rear axle to the gravity center of the vehicle, and the cornering stiffnesses Cf and Cr of a front wheel and a rear wheel, and the parameters are inherent to the vehicle and can be collected and stored in advance. The heuristic algorithm is adopted to solve the output feedback controller, so that complex iteration in a traditional solving method is avoided; the longitudinal speed of the vehicle and the cornering stiffness of the tire are considered as uncertain parameters; the controller designed by the invention is better in robustness, can calculate an appropriate yawing moment, controls the side slip angle and the yawing angular velocity to be within an appropriate range, improves the maneuverability of an vehicle, improves the transverse stability of thevehicle, and reduces the possibility of dangerous situations in the operation process of the vehicle.

The invention relates to the technical field of automobile stability control and in particular to a lateral stability control method for a four-wheel drive based on time-varying speed, including the following steps of: T1, acquiring the inherent parameter and the real-time parameter of the four-wheel drive; T2, establishing an automobile control model system by using the parameters in the T1; T3,designing a LPV controller in consideration of the time-varying speed for the system in the T2; and T4, allocating the torque of the four-wheel drive based on a result of the T3. The method, in consideration of the time-varying speed of the automobile, calculates the required appropriate yawing torque by the designed controller to control the above two parameters within a suitable range; then allocates the calculated yawing torque to the four wheels by a lower controller to improve the handling performance of the automobile, improve the lateral stability of the automobile, reduce the possibility of dangerous situations during the operation of the automobile, improve riding comfort, and achieve good creativity.

The present application relates to an engine bench calibration test optimization method, a computer device, and an engine bench calibration test system. The method comprises the following steps: determining the next test condition point to be used when the automatic calibration device performs calibration test task during the engine calibration test process; predicting the corresponding simulationstate parameter value when the engine runs at the next test condition point; If the simulation state parameter value is within the corresponding preset boundary constraint range, sending effective information to the automatic calibration device, wherein the effective information is used for instructing the automatic calibration device to send the calibration test instruction corresponding to thenext test working condition point to the bench; if the simulation state parameter value exceeds the corresponding preset boundary constraint range, an invalid information being sent to the automatic calibration device, and the invalid information being used to instruct the automatic calibration device to re-read a test condition point after the next test condition point. The test safety can be improved by use the present application.

The embodiment of the invention provides a surfing device, which relates to the field of surfing boards. The surfing device comprises a body, a support bar, a surfing board and a driving assembly. Oneend of the support bar is connected with the body, and the surfing board is connected with one end of the support bar away from the body, and the driving assembly is connected with the support bar, and the driving assembly is located between the surfing board and the body. The surfing device can complete surfing on the calm sea surface or on the water surface, and the structure is reasonable in design and strong in practicability.

The invention discloses an early warning processing method and a server of a wearable device. The method comprises the steps of receiving position information sent by a wearable device; judging that whether the position corresponding to the position information is within an early warning area; and if determining that the position is within the early warning area, sending an instruction for executing special early warning operation to the wearable device. According to the method, the wearable device no longer only processes happened hazardous conditions, and also can make precaution in advance according to the acquired position information when a wearer is in a relatively hazardous place, thus the possibility of hazardous situations is reduced, and the security of the wearer is improved.

The invention relates to the field of driving safety, in particular to a method for stopping vehicle downhill neutral sliding. The method for stopping vehicle downhill neutral sliding, disclosed by the invention, detects a vehicle in real time to obtain a state of the vehicle; and the state includes a state A-a neutral state, a state B-altitude falling, and a state C-vehicle speed increased and higher than a set limit value v. Then, the method judges if the state of the vehicle is the state A or the state B and if the state lasting time exceeds a set limit value t; if so, the warning prompt and/or the brake device triggering are performed; if not, the method judges if the vehicle state is the state A or the state C and if the state lasting time exceeds a set limit value t; if so, the warning prompt and/or the brake device triggering are performed; and if not, the state of the vehicle is continuously detected. The method can prevent the vehicle downhill neutral sliding, so that the generation of dangers is prevented, the driving safety is improved, the method is simple and feasible, and the cost is low.

A system is presented to prevent harm to occupants of unattended vehicles in warm weather due to the greenhouse effect by circulating ambient air through the vehicle using the blower from the vehicle's air conditioning system powered by a solar cell array and rechargeable batteries, with a thermometer controller to engage and shut off the system at preset high and low temperatures, situated in a recessed area on the roof to minimize drag when the vehicle is moving and avoid detracting from the appearance of the vehicle.

The invention relates to an intelligent water pipeline leakage detection alarm and protection device and a work method of the same. The alarm and protection device comprises an emitter and a receiver receiving an emitter signal, wherein the emitter is formed by a signal processing module connected with a water leakage sensor and an emitting end wireless module connected with the signal processing module; the receiver is formed by a receiving end wireless module, a main processing module connected with the receiving end wireless module; and the main processing module controls a water pipe electric valve via a driving circuit. With the application of wireless technology, a tap water valve can be closed via timely and accurate wireless transmission when a pipeline water leakage condition is detected; and a short message is sent to a user and informs the user of the water leakage, so intelligent alarm can be achieved and water leakage can be timely controlled.

The invention discloses a stripping device for a hot extruding die. The stripping device comprises a machine body, wherein a straight rod is arranged at the bottom of the machine body; an upper conversion body is arranged at the bottom of the straight rod; a lower conversion body is arranged at the bottom of the upper conversion body; an air inlet pipe and a water inlet pipe are arranged at one end of the upper conversion body, and a controller is arranged at the other end of the upper conversion body; the air inlet pipe is arranged on one side of the water inlet pipe; a gas solenoid valve isarranged on the air inlet pipe; a liquid solenoid valve is arranged on the water inlet pipe; a threaded connector is arranged at the end part of each of the air inlet pipe and the water inlet pipe; amotor is arranged on the side surface of the upper conversion body; a gear is arranged at the end part of the motor; a gear ring is arranged on the outer side of the lower conversion body; a punchinghead is arranged at the bottom of the lower conversion body; the punching head comprises a punching head body; and a gas nozzle is arranged at the top of the inner cavity of the punching head body. According to the stripping device for the hot extruding die, through the arrangement of the upper conversion body and the lower conversion body, the demolding is facilitated, the manpower is saved, theworking efficiency is improved, and economic benefits are greatly improved.

The invention relates to a big data-based infusion bottle liquid change sequence recommendation method and system. The method comprises the steps of carrying out the semantic segmentation of infusion bottle images collected in real time through employing a DNN network in a neural network, accurately segmenting the original images of infusion bottles, carrying out the detection of a liquid level surface boundary which can represent the infusion progress in the original images of the infusion bottles, calculating remaining time required for infusion of the infusion bottles by using the descending height of the liquid level surface interface within the set time interval, and performing sequencing according to the length of the remaining time required for infusion of the infusion bottles, which is equivalent to sequencing of emergency degrees of liquid change according to the real infusion progress of patients on each bed. Nurses can timely master the infusion progress of each sickbed, so that the liquid changing efficiency is effectively improved. In addition, the patients do not need to continuously pay attention to the infusion progress, manpower resource consumption is reduced, and dangerous situations caused by untimely calling are reduced.

The invention relates to the air complementing field of SF6 electrical equipment, in particular to a GIS constant-pressure air complementing device which comprises an air-filling steel cylinder connector and a GIS equipment air-filling connector, and further comprises a second pressure detecting module used for detecting pressure of the steel cylinder and a first pressure detecting module used for detecting pressure of a GIS body. The GIS constant-pressure air complementing device is characterized in that the air-filling steel cylinder connector is connected with a steel cylinder through a steel cylinder connecting pipeline; and the GIS equipment air-filling connector is connected with a GIS body air complementing connector through a GIS connecting pipeline. The GIS constant-pressure air complementing device has the beneficial effects that: the first pressure detecting module and the second pressure detecting module are used for feeding a detected dual-end pressure value to a CPU control system, so that state judgment is automatically realized, man-powered intervention is not needed, and time and labor power are saved; an automatic control system can be used for realizing automatic constant-pressure air complementation by controlling an electric ball valve, equipment-terminal principle is guaranteed to be constant all the time, and occurrence of hazardous conditions is avoided; and an automatic alarm unit can send out alarm information or a remote transmitting alarm signal when equipment is abnormal.

Temporary guardrail equipment for road rescue according to the invention comprises a shell, a power deceleration strip cavity is formed in the shell, a guardrail rotating shell extending into the power deceleration strip cavity is rotatably arranged at the upper end of the shell, and a guardrail unfolding cavity is formed in the guardrail rotating shell. According to the equipment, guardrail deceleration strip equipment is integrated, thereby facilitating carrying. Meanwhile, when the equipment is unfolded, redundant operation is not needed, guardrail unfolding is quite convenient, guardrail unfolding is rapid and convenient, the angle of the guardrail can be adjusted, and therefore vehicles on a road can be guided, temporary deceleration strips can be rapidly arranged, and secondary accidents caused by the fact that the passing speed of the vehicles is too high are prevented; in addition, the deceleration strip can be automatically connected, stretched out and pulled back as long as the deceleration strip stands on the spot, so that the dangerous situation is reduced, the working efficiency is high, and the integration degree is high.

The invention relates to a use registration supervision system for hazardous chemical substances. The use registration supervision system comprises hazardous chemical substance use registration equipment and a hazardous chemical substance monitoring device, wherein the hazardous chemical substance monitoring device is fixed on a container containing the hazardous chemical substances, and a wireless radio-frequency signal is emitted to the hazardous chemical substance use registration equipment when a use state detection module of the hazardous chemical substance monitoring device detects thatthe hazardous chemical substance monitoring device is in a use state; and the hazardous chemical substance use registration equipment is used for the names and use time of the hazardous chemical substances bound to the hazardous chemical substance monitoring device and controlling a voice module to broadcast corresponding prompt voice when identity information of a user is not recorded or the recorded user does not have user permission of the hazardous chemical substances. The use registration supervision system has the beneficial effects that the names and use time of the hazardous chemical substances bound to the hazardous chemical substance monitoring device can be recorded in use, the use state of the container containing the hazardous chemical substances can be effectively monitored,and the prompt voice is broadcasted for reminding the user of standard operation while detecting that the user is not registered, does not pass identity authentication or uses the hazardous chemical substance out of the use permission of the user, so that the hazardous conditions are reduced.

The invention discloses a high-temperature-resistant foam pouring cup and a processing technology thereof, and belongs to the field of lost foam casting. The pouring cup is made of foam and comprisesa pouring cup body and a pouring channel connected to the lower portion of the pouring cup body, and the cross section area of the pouring cup body is larger than that of the pouring channel. A clothfilm seal is attached to an inlet of the pouring cup, and the outer wall of the pouring cup is coated with a high-temperature-resistant layer. The outer wall of the foam pouring cup is coated with thehigh-temperature-resistant layer, the pouring cup is made of foam, and the high-temperature-resistant layer can be better bonded to the outer wall of the pouring cup so that the problem of cracking due to molten iron pouring can be solved, the price of materials for preparing the high-temperature-resistant layer is low, and the production cost is reduced; and the shape of the pouring cup is improved so that molten iron can be prevented from swirling and splashing in the pouring cup during molten iron pouring, and potential safety hazards are reduced.

The invention discloses an energy leakage detection system and method, equipment and a medium. The system comprises a temperature sensor, a humidity sensor, an energy detector, a processor and a pipeline shutoff valve; the temperature sensor is used for detecting the temperature of the environment outside a pipeline; the humidity sensor is used for detecting the humidity of the environment outside the pipeline; the energy detector is used for detecting the energy concentration of the environment outside the pipeline; the processor is used for acquiring temperature correction data corresponding to the temperature and acquiring humidity correction data corresponding to the humidity, correcting the energy concentration by using the temperature correction data and the humidity correction data to obtain an actual concentration, and determining a detection result of the energy leakage based on the actual concentration; and the pipeline shutoff valve is used for shutting off a pipeline when the detection result indicates that the energy leakage exists. The actual concentration is obtained after correction of the correction data, the accuracy of the detection result determined based on the actual concentration is higher, the pipeline is shut off under the condition that energy leakage exists, and the probability of dangerous situations is further reduced.

The invention provides a kitchen waste processor capable of adsorbing and separating metal. The kitchen waste processor capable of adsorbing and separating metal comprises a shell, a motor, a grindingassembly, a grinding cavity upper cover, a connecting rubber sleeve, and a connecting assembly, wherein the motor is fixedly mounted within the shell, and an output shaft of the motor extends above the shell; the grinding assembly is mounted on the top of the shell, and the output shaft of the motor is connected to the grinding assembly; the grinding cavity upper cover is fixedly mounted at the top of the grinding assembly; the connecting rubber sleeve is placed at the top of the grinding cavity upper cover; and the connecting assembly sleeves the outer side of the grinding cavity upper cover, and the connecting rubber sleeve is located in the connecting assembly. The kitchen waste processor capable of adsorbing and separating metal has the advantages of being convenient to use, simple tooperate and capable of adsorbing metal objects in kitchen waste.

The invention provides an excavator hydraulic system, an excavator and an excavator control method, and relates to the technical field of engineering machinery. The excavator hydraulic system comprises an oil supply assembly, a rotary motor, a boom cylinder, a detection assembly and a controller, wherein the oil supply assembly communicates with the rotary motor and the boom cylinder respectively;the detection assembly is used for detecting whether a piston rod of the boom cylinder moves to the highest position or not and transmitting a detection signal to the controller; and the controller is used for controlling the oil supply amount of the oil supply assembly to the rotary motor according to the detection signal. According to the excavator hydraulic system, the technical problem that the compound actions of an excavator are not coordinated in the related art is solved.