70results about How to "Reduce the chance of crashing" patented technology

The invention discloses an unmanned air vehicle with multiple rotary wings in a plane-symmetry layout, comprising a body, rotary wing assemblies and undercarriage, wherein, the number of the rotary wing assemblies is an even number more than or equal to 4; each rotary wing assembly comprises a rotary wing support arm, a rotary wing motor and a rotary wing, the rotary wing motor is fixed at the outer end of the rotary wing support arm; the rotary wing is arranged on a rotation shaft of the rotary wing motor and is driven by the rotary wing motor; the longitudinal symmetrical planes of the all rotary wing assemblies relative to the body are distributed in a bilateral symmetry mode, and are fixedly connected with the two sides of the body through the inner ends of the rotary wing support arms; an equipment compartment and a power source compartment separated front and back are arranged in the body, the equipment compartment comprises a navigation component, a flight control component and a communication component; the power source compartment comprises a battery for providing power to the electronic equipment of the whole air vehicle; the undercarriage is fixedly connected at the lower part of the body; and the flight control component is provided with a flight control computer with the functions of fault diagnosis of the multiple rotary wings and fault-tolerant flight control. The unmanned air vehicle has the advantages of novel appearance layout, concise internal structure, reliable system control and better engineering application value, and is easy for engineering implementation.

The embodiment of the invention provides a data fusion and flight mode switching method and device for flight equipment. The data fusion method for flight equipment includes: acquiring the measured data of each sensor, determining the work state of each sensor, and performing data fusion according to the measured data and work state of each sensor, thus obtaining flight state variables of the flight equipment and effectiveness parameters thereof. According to the invention, when a disturbed sensor or broken-down sensor exists among the sensors, by determining the work state of each sensor andperforming data fusion according to the work status, measured data of normally operating sensors can be obtained, and through data fusion of the obtained measured data, the flight state variables of the flight equipment and effectiveness parameters thereof can be obtained, thus avoiding error of the data fusion result, realizing safe and autonomous flight of the flight equipment, and reducing theprobability of air crash.

The invention relates to a database server high-availability performance detecting system and belongs to the field of server performance detecting. The problem that according to an existing server performance detecting technology, server load response time and hardware resource power dissipation cannot be estimated is solved. The detecting system comprises a hardware state detecting module, a performance analyzing module and a load generating module. The hardware state detecting module further comprises a detecting submodule, a query submodule, a resource detecting submodule and a power dissipation computing submodule. The performance analyzing module comprises a grade estimating submodule and a comprehensive analysis submodule. The detecting system is used for server high-availability performance.

The invention discloses a network medium information putting control system and method. The method comprises the following steps: presetting a weighted magnification parameter and a putting period for a user; receiving a pre-recharging electronic certificate submitted by the user; according to the weighted magnification parameter, carrying out a weighted magnification calculation to the pre-recharging electronic certificate to obtain an initial puttable value; according to the putting period according to the user, putting the network medium information of the user, wherein the current puttable value is initialized into the initial puttable value after a new putting period is started every time; calculating a real-time putting consumption value of the user in the current putting period; subtracting the real-time putting consumption value of the user from the current puttable value corresponding to the user; and when the current puttable value is less than an appointed value, forbidding to put the network medium information of the user within the remaining time of the current putting period.

The invention discloses a page generating and display method based on a JSON (java script object notation) format. The page generating and display method comprises the following steps: receiving a page loading request; obtaining a page configuration file based on the JSON format; calculating quantity of memory resources to be occupied by the page; obtaining the quantity of preset reserved memory resources; calculating total amount of memory needs; calculating the quantity of current available memory resources; if the total amount of memory needs is smaller than the quantity of current available memory resources, loading the page in a full loading mode, otherwise, converting the page configuration file based on the JSON format into the page configuration file based on an XML (extensive markup language) format and loading the page in a partial loading mode. The page generating and display method is suitable for needs of different memory conditions, so that the system breakdown probability is reduced, the memory resource judging granularity is relatively small, the judging accuracy for the practical memory available resources is relatively high, the practical page loading speed is increased, and the defect that the JSON format cannot be partially loaded is overcome.

The invention relates to a risk equipment positioning monitoring method, device and system and a storage medium, and the method comprises the following steps: obtaining all equipment of a platform, and the equipment comprises physical assets and virtual assets; selecting equipment needing risk scanning; setting the number of ports allowed to be opened by the equipment, scanning all ports of the equipment and outputting a port baseline; taking a port baseline as an increase and decrease basis, wherein the port baseline is an existing opened port parameter; and creating a new scanning task, repeatedly scanning all ports of the equipment, comparing the ports with the port baseline, and feeding back a comparison result. The application has the effect of conveniently positioning and monitoringthe risk of the equipment.

The invention discloses equipment and a method for maintaining reliability of distributed enterprises service bus intermediate flow, which provides maximal flexibility for an intermediary processing function of a system by adopting a distributed structure for intermediary processing nodes and uniformly dispatching the intermediary processing nodes through a server, thereby guaranteeing the reliability, the robustness and the stability of an enterprise service bus.

The invention relates to an ultrasonic cleaning device which comprises a power source, an ultrasonic magnetic field generator and an ultrasonic hairbrush vibrator, wherein the power source is used for generating a high frequency alternating current, the ultrasonic magnetic field generator is electrically connected with the power source and is used for generating ultrasonic vibration, the ultrasonic hairbrush vibrator is mounted on the ultrasonic magnetic field generator and is arranged on a cleaning tool, and the cleaning tool is filled with sol agent. The ultrasonic cleaning device can be used for cleaning a gelatinizing needle when a gelatinizing process is accomplished or a gelatinizing device is not used for a long time. Therefore, the probability that the gelatinizing device is blocked due to the fact that glue is left on the needle of the gelatinizing device is lowered, the utilization of the gelatinizing device is increased, and production effectiveness is improved.

The invention discloses a vibration attenuation type intelligent automated guided vehicle and a transportation method thereof. The vibration attenuation type intelligent automated guided vehicle comprises a vehicle body, a vibration attenuation walking component and an electric component, wherein a spring is arranged between each guide rod and a vibration attenuation component, a vibration attenuation connecting rod and the vibration attenuation component are vertically rotatably cooperated, vertical and horizontal vibration attenuation can be realized in a movement process, and meanwhile, bumping in a movement process due to a reason that a road surface is uneven can be buffered so as to improve the driving smoothness of the automated guided vehicle, reduce the generation of vibration andeffectively prevent objects on the automated guided vehicle from tipping. Meanwhile, a heat dissipation component is arranged in an electrical cabinet, fan heat dissipation intensity is regulated through temperatures, a probability that a system crashes due to a heat dissipation problem is lowered, the automated guided vehicle is under an optimal working state, and the working efficiency of the automated guided vehicle is improved.

The invention provides an aircraft. The aircraft comprises a main body with propellers, a first frame surrounding the main body, a second frame and a third frame, wherein the second frame and the third frame are symmetrically arranged outside the first frame. The first frame is in pivotal rotation connection with the main body through a first shaft so that the first frame can overturn relative to the main body. The second frame and the third frame are in pivotal rotation connection with the first frame through a second shaft perpendicular to the first shaft so that the second frame and the third frame can rotate in the plane perpendicular to the second shaft. The edges of the second frame and the third frame exceed the edge, in the same direction, of the first frame. The aircraft can complete actions of walking and climbing walls with the help of the frames, the crashing possibility of the aircraft can be decreased, and thus the aircraft is not limited by landforms and can rise and fall at random.

The invention discloses an ultralow-temperature high-performance lithium iron phosphate power battery, and belongs to the field of unmanned aerial vehicle batteries, the ultralow-temperature high-performance lithium iron phosphate power battery comprises a battery body, the battery body can be installed in an unmanned aerial vehicle battery compartment, and one end of the battery body is provided with a power connection end electrically connected with an unmanned aerial vehicle; the outer side of the battery body is fixedly connected with at least one auxiliary adjusting mechanism, the auxiliary adjusting mechanism is used for providing auxiliary force between the battery body and the inner wall of the battery bin to fix the battery body and heat the battery body, and the auxiliary adjusting mechanism comprises a protective shell fixed to the outer side of the battery body; according to the low-temperature battery box, the probability that the battery body falls off from the interior of the battery box when the unmanned aerial vehicle flies can be effectively reduced, the power supply stability of the unmanned aerial vehicle is improved, the probability that the unmanned aerial vehicle crashes is reduced, and the working performance of the battery body at the low temperature is guaranteed.

The invention discloses a control method of a multi-rotor unmanned aerial vehicle, the multi-rotor unmanned aerial vehicle (100), a control device (200) and a nonvolatile computer readable storage medium (300). The control method of the multi-rotor unmanned aerial vehicle comprises the following steps: (01) acquiring the power state of each rotor of the unmanned aerial vehicle; and (02) when the power failure of any rotor wing of the unmanned aerial vehicle is determined based on the power state, controlling the unmanned aerial vehicle to enter a balance mode, wherein in the balance mode, the unmanned aerial vehicle rotates at an angular speed larger than a first threshold value, and the displacement of the unmanned aerial vehicle in the horizontal direction is smaller than a preset displacement amount.