7results about How to "Achieving Process Stability" patented technology

The invention discloses a method for identifying modal parameters of a stator assembly of a vehicle driving motor. The method comprises the following steps: 1) performing a modal test on the stator assembly; 2) performing modal shape identification of the stator assembly based on a modal test result; 3) establishing a finite element simulation model of the stator assembly; 4) establishing a test model of the response surface of the stator assembly; 5) simulation of a stator assembly finite element model; and 6) calculating a response surface function of the stator assembly and identifying modal parameters. According to the method, rapid identification of the modal parameters of the stator assembly is realized through a series of methods of modal test of the stator assembly, modal shape identification of the stator assembly, finite element simulation model establishment of the stator assembly, test model establishment of the response surface, simulation of the finite element model, response surface function calculation and modal parameter identification, so that the product development period is shortened; and the one-time off-line qualification rate of products is improved, and cost reduction and efficiency improvement are effectively achieved.

This invention discloses a prognostic model and construction method for cervical squamous cell carcinoma, belonging to the fields of bioinformatics and oncology. The construction method is based on a set of genes related to programmed cell death, integrating multi-omics data of cervical squamous cell carcinoma patients from The Cancer Genome Atlas (TCGA), Gene Expression Omnibus (GEO), and the Cancer Genome Characterization Project (CGCI). After standardized preprocessing, differential expression analysis, bootstrap resampling combined with univariate Cox regression for initial screening, consensus screening using multiple machine learning algorithms, and finally, multivariate Cox proportional hazards regression analysis to identify three core independent prognostic genes and construct a risk scoring model. This model has undergone multi-dimensional validation and optimization, demonstrating robust predictive performance. The method of this invention is standardized and highly reproducible, and the constructed model has high accuracy and strong generalization ability, providing a reliable tool for individualized prognostic assessment and clinical decision-making for cervical squamous cell carcinoma patients.

The utility model discloses an improved automatic extraction device for perfume subpackaging, which comprises a piston cylinder, a piston rod and a first piston, the front end of the piston cylinder is provided with a one-way sealing device capable of communicating an internal cavity with the outside, and the first piston extends into the cavity of the piston cylinder along with the piston rod; the piston rod is sleeved with a first compressed spring, and the front end and the rear end of the first compressed spring directly or indirectly act between the piston cylinder and the piston rod respectively. The first pressure spring is suitable for generating thrust to the piston rod to drive the first piston to tend to be away from the one-way sealing device; the one-way sealing device comprises a shaft sleeve fixedly connected with the piston cylinder, a second piston arranged in the shaft sleeve, a second pressure spring and a sealing sleeve which is installed in the second piston and can be opened and closed. According to the utility model, the one-way sealing device is additionally arranged at the front end of the piston cylinder, so that the structure is further optimized, the use requirements of consumers are met, and the one-way sealing device is a better technical scheme and has better market competitiveness.

This invention discloses a tracked flipping machine and a flipping method. The tracked flipping machine includes a plate thickness detection unit, a conveying unit, a flipping mechanism, and a control system. The plate thickness detection unit is located at the front end of the conveying unit and is used to detect the plate thickness of the circuit board product. The conveying unit is used to convey the product. The flipping mechanism is located at the rear end of the conveying unit and includes a base, a drive motor, at least two sprockets, a chain, and multiple sets of adapter slots. The chain is composed of chain links, and one end of the adapter slot is detachably connected to a chain link, while the other end has a card slot groove. The width of the card slot grooves in each set increases sequentially. The control system is electrically connected to the plate thickness detection unit and the drive motor. Based on the detected plate thickness, the control system controls the motor to drive the sprockets to rotate by a predetermined angle, so that the predetermined adapter slot of the corresponding width moves to the rear of the conveying unit to adapt to and accommodate the product. The tracked flipping machine of this invention has a simple structure, low modification cost, reliable control, and can accurately adapt to the product.

The invention discloses an intelligent control method for realizing operation of a magnetic confinement nuclear fusion plasma high confinement mode, and the method comprises the steps: obtaining a historical test data set of a magnetic confinement nuclear fusion device, and constructing a secondary heating power threshold calculation model; acquiring input data in real time from a diagnosis system of the magnetic confinement nuclear fusion device, performing calculation based on a secondary heating power threshold calculation model, acquiring a secondary heating power threshold, and feeding back the secondary heating power threshold to the auxiliary heating system; and analyzing the dependency relationship between the secondary heating power threshold value and each plasma state parameter, obtaining a control scheme for reducing the secondary heating power threshold value, providing the control scheme for a plasma control system for adjustment, and entering a next control period. According to the invention, the required secondary heating power can be dynamically estimated according to the real-time states of the plasma and the device, so that the estimation of the secondary heating power threshold is more accurate; and the plasma is adjusted in real time, the required secondary heating power is reduced, and conversion to a high confinement mode is realized with lower engineering cost.

The utility model relates to the improvement of black liquid metal forging and pressing technology, concretely is a kind of truss type lifting appliance for black liquid metal forging and pressing, and the efficiency and safety of lower mould carrying process are effectively improved by the design of truss cooperation track car and corresponding lifting appliance to realize the carrying and overturning of lower mould, including truss, track one, the track one is located on truss, including upper fixed frame and lower fixed frame, the upper fixed frame is slidably connected with track one by roller group, and lower fixed frame is slidably connected with upper fixed frame in vertical direction by guide module, further including lifting arm module, lower fixed frame both sides are equipped with track two, and lifting arm module is slidably connected with track two by roller group, and lifting arm module is driven between both sides by bidirectional screw rod module group, and bidirectional screw rod module group is installed on lower fixed frame, and the bottom of lifting arm module is equipped with the clamp with rotating function.

The utility model belongs to the technical field of mistake proofing devices, and particularly relates to a cleaning agent detection mistake proofing device which comprises a base, an audible and visual alarm system switch, a mounting seat and a human body induction switch, the mounting seat is mounted on the base and provided with a bottle seat used for containing a cleaning agent, the bottle seat is provided with a cylindrical cavity matched with the cleaning agent, and the human body induction switch is arranged in the cylindrical cavity. The base is provided with a human body induction switch, the human body induction switch is located on a cleaning agent manual grabbing path of an operator, a switch is arranged on the side face of the base, a switch circuit is electrically connected with the human body induction switch and a production line metronome, and an audible and visual alarm is arranged on the side face of the base. The audible and visual alarm is electrically connected with the human body induction switch, the human body induction switch can actively confirm whether an operator does not use the cleaning agent or not, the process stability is achieved, the quality is improved, confirmation is fed back through audible and visual signals, and meanwhile data are recorded so that visual data checking can be conducted after the current shift.