7results about How to "Reduce human influence" patented technology

The invention relates to a furosemide tablet and a preparation method thereof.The furosemide tablet is prepared from, by weight, 25.00% of furosemide, 40%-45% of filler, 27%-33% of adhesive, 0.5%-1.5% of lubricant, 1.0%-2.0% of anti-sticking agent and 0.5%-1.5% of flow agent.The furosemide tablet is prepared by adopting the technology that purified water is directly added without preparing the adhesive; a wet granulation process is adopted, the controllability of process parameters in the production process is high, the human influence of operation of multiple process steps is reduced, the quality stability of the medicine is effectively improved, the quality of the medicine is equivalent to that of a commercially available reference preparation, and multiple dissolution curves are similar to that of the reference preparation; the in-vitro dissolution behavior similar to that of a reference preparation is shown, the quality is stable, and the dissolution behaviors among batches are consistent.

The utility model discloses a belt button sewing machine convenient to install, which belongs to the technical field of belt button sewing machines and comprises a base, a groove is formed in one side of the base, a sliding rail is installed on the inner side of the groove, a belt button sewing machine body is slidably connected to the outer side of the sliding rail, and an opening groove is formed in the top of the base. A plurality of installation assemblies are arranged on the inner side of the open groove and located at the bottom of one side of the belt button sewing machine body. According to the belt clamping device, the fixing assembly and the automatic clamping device are arranged, so that the belt is automatically limited and clamped, the situation that a worker places the belt to be machined and needs to adjust the position is avoided, the machining time is saved, the working efficiency is improved, the belt is further limited and clamped, and the situation that the belt is damaged in the machining process is avoided. And deviation of the machining position caused by shaking and moving of the belt in the machining process is prevented, machining errors are reduced, the hole opening position is more accurate, and the quality of machined belt buckles is improved to a certain degree.

The utility model relates to the technical field of physical experiment teaching aids, in particular to a simple harmonic motion experiment instrument, which comprises a base, a liquid spraying device, a support arranged on the base and a paper feeding device arranged on the base, the support comprises a cross rod, a first vertical rod and a second vertical rod, the first vertical rod and the second vertical rod are arranged on two opposite sides of the cross rod, and the cross rod is provided with a cycloid and connected with a pendulum ball. A gap exists between the lowest point of the swing ball in the natural state and the base, a spring is fixed to the first vertical rod and is horizontally placed in the natural state, one end of the spring is detachably connected with the swing ball, the liquid spraying device comprises a spraying pipe, and the liquid outlet end of the spraying pipe is fixedly connected with the swing ball; a spring oscillator experiment and a simple pendulum experiment are integrated on one device, so that students can conveniently compare two simple harmonic motion phenomena on the same platform, the essence and generality of the simple harmonic motion can be deeply understood, and the teaching effect is optimized. Meanwhile, through the detachable connection design, quick switching between a spring oscillator experiment and a simple pendulum experiment is facilitated, and different experiment requirements are met.

The present invention provides a method, device and storage medium for fault diagnosis of a flight control system, the method comprising: step 1, determining the composition and connection structure of the flight control system; step 2, determining the distributed structure of the flight control computer; step 3, determining the unmanned aerial vehicle object model; step 4, designing the fault detection filter of the actuator and the airborne sensor; step 5, training a class of support vector machine models by an ant colony algorithm to obtain the optimal model parameters; step 6, according to the distributed flight control computer structure, a detection filter and a class of support vector machine models are built into each functional unit; step 7, according to the hardware redundancy and the class of support vector machine models, the fault diagnosis of the flight control system is performed; step 8, testing the fault diagnosis effect and optimizing the system structure. The method can improve the accuracy of fault judgment under the output coupling condition of a complex flight control system.

The utility model discloses a foundation pit earthwork backfill compactness and elevation measuring device, which belongs to the technical field of engineering measuring devices and comprises a support arranged at the bottom of a foundation pit, the support is provided with a first limit hole, a stress rod is slidably connected in the first limit hole, and the bottom of the stress rod is detachably connected with a compactness detector; a lifting rod assembly is arranged at the top of the stress rod, a stepping motor is detachably connected to the support, and the stepping motor is in transmission connection with the lifting rod assembly through a transmission assembly. The top of the lifting rod assembly is fixedly connected with an extension rod, the extension rod is sleeved with an impact sleeve rod in a sliding mode, the bottom of the impact sleeve rod and the extension rod are fixedly connected with impact rings respectively, the two impact rings make contact in the natural state, the top of the impact sleeve rod is fixedly connected with a photosensitive sensor, and a laser transmitter is arranged at an opening of the foundation pit. The device can be used for backfill elevation and backfill compactness measurement, is high in integration level, is slightly influenced by human factors in the measurement process, and improves the measurement accuracy.

The utility model belongs to the technical field of medical equipment, and particularly relates to a shock wave energy density measuring device which comprises a base, an integral support and a lower pressing block which are arranged on the base, a gun body which is arranged on the lower pressing block, a guide block which is arranged at the upper end of the gun body, a guide groove which is formed in the guide block, a pipe body which is installed in the guide groove and a limiting block which is arranged at the upper end of the pipe body. A weight is arranged in the pipe body; the integral support comprises a rectangular plate and a triangular plate, the triangular plate is fixedly connected with the rectangular plate and the base, a plurality of mounting bases and pistol clamping blocks are fixedly arranged on one side of the rectangular plate, and each mounting base is provided with a clamping block. The limiting block is arranged at the top of the pipe body to prevent the weight from flying out, the center of the pipe body is aligned with the center of the gun body through the guide block, special manual alignment work is not needed, the pipe body is clamped and fixed through the multiple clamping blocks, and it is guaranteed that the pipe body is vertical and observation is not affected.

This invention discloses a nozzle atomization detection device and its usage method, including a detection box, a control device, an atomization device, a vision device, a detection device, and a drying device. The control device includes a main control box, a display module, a control module, and a button module. The control module includes a water temperature preset module, a water temperature analysis module, an image detection thread module, an image processing module, an image region extraction module, a region circle fitting module, a data processing module, and a data analysis module. The vision device includes a camera. The atomization device, vision device, detection device, drying device, and display module execute corresponding programs according to the operation instructions of the control module. This invention automatically detects the nozzle atomization range and automatically judges the quality of the nozzle, thereby reducing worker visual fatigue, reducing human influence factors, saving manpower, improving production efficiency, and improving the accuracy of detection results.