11 results about "Weight change" patented technology

The application discloses a material blocking pre-judgment and collaborative control method and system for a multi-scale collaborative batching system. The method comprises the following steps: in the unloading process, real-time weight signals of each weighing sensor are acquired and real-time gravity center coordinates of the material are calculated; the gravity center moving speed is calculated; the weight change amount of the feeding end and the unloading end is acquired; when the gravity center speed continuously falls below the threshold and the weight change meets the abnormal condition, a material blocking pre-judgment signal is generated and all batching scales are stopped; after the automatic execution of the material blocking recovery operation and the determination of the troubleshooting, the scales are started in turn from long to short according to the remaining distance of the material front end of each scale from the unloading end to restore the collaborative unloading. The application accurately pre-warns in the early stage of material blocking and globally collaboratively stops through the double criteria of gravity center kinematics and regional weight difference, effectively guarantees the batching accuracy, and is especially suitable for high-reliability and high-precision industrial batching scenes.

The present application relates to the technical field of children's health assessment, in particular to a children's body fat rate adaptive prediction method and system based on trajectory feature cooperation, comprising the following steps: obtaining children's physical examination data set, analyzing height and weight change to calculate difference ratio to screen samples, extracting waist circumference change slope to evaluate stability to screen samples, calculating body sign proportion difference to adjust training weight, identifying age stage residual difference gap to adjust model parameters, combining body fat trend and body weight trend direction to adjust prediction slope to generate results. In the present application, samples are screened through height and weight trajectory, combined with the fluctuation continuity of waist circumference change slope to eliminate abnormal data, the feature weighting coefficient is set according to the proportion deviation of height and weight and muscle mass, the response coefficient is adjusted according to the distance relationship of the grouping mean and the central interval of the age stage residual, the change path is judged by the consistency of the body fat and body weight prediction trend, the non-trend prediction deviation is avoided, and the stability and sample adaptability of the model are improved.

This invention discloses a shelf lifting device, a refrigerator, and a control method for the shelf lifting device. The shelf lifting device includes guide rails arranged on both sides and a shelf that can move up and down along the guide rails. It also includes a pressure sensor located at the lower end of each guide rail. The pressure sensor is electrically connected to a controller, which controls the shelf lifting speed to maintain a uniform and stable speed based on the real-time weight change of the shelf and the food on it, as measured by the pressure sensor. This invention effectively solves the vibration caused by changes in shelf lifting speed due to changes in food weight; it prevents the shelf from tilting and food from rolling off; and it overcomes the risk of shelf or motor damage caused by the shelf hitting the top, which may not be easily detected.

This invention discloses an intelligent control method for food dehydration based on multimodal Internet of Things (IoT), belonging to the field of food dehydration control technology. The method includes: independently generating dehydration optimization commands using a feedback control method based on status feedback signals and dehydration commands; dynamically adjusting rotor speed to match real-time dehydration rate; and automatically reducing speed and stopping the machine when the eccentricity risk value exceeds the safety boundary. It also uses IoT exchange methods to generate a global load distribution feedback signal based on the status data of the weight change of the food to be dehydrated, cavity humidity, motor vibration spectrum, and current load in the dehydration command. This invention, through a feedback control method based on status feedback signals and dehydration commands, automatically reduces speed and stops the machine when the eccentricity risk value exceeds the safety boundary, ensuring stable operation under complex loads, quantifying the dehydration progress and eccentricity risk value, ensuring mechanical structure safety, optimizing dehydration efficiency, avoiding vibration damage caused by uneven load, and improving the control accuracy and reliability of food dehydration.

This invention relates to a method for measuring the filling state of a spinning preparation machine (1) for processing fiber bundles (2) that can be erected or is already erected on a fixed base plate (3), wherein the spinning preparation machine (1) has: a plurality of side-by-side filling channels (5) for fiber bundles (2); a feeding channel (6) provided above the filling channels (5), which is connected to a central fiber bundle inlet (9) on the input side and has a base plate opening (7) for each filling channel (5) on the output side; a plurality of locking mechanisms (11) provided in the feeding channel (6), the locking mechanisms being adjustable by means of an adjuster (36); and a control unit (37) configured to adjust the adjuster (36) for filling the filling channels (5) with fiber bundles (2) such that only one base plate opening (5) is always aligned with the central fiber bundle inlet (9) based on the adjusted position of the locking mechanism (11) at the same time. The method comprises the following steps: a connection; a discharge device (34) disposed below the filling channel (5), the discharge device being connected to the filling channel (5) on the input side and to a central fiber bundle discharge section (18) on the output side; a weighing device (26) signal-connected to a control unit (37), the weighing device being disposed in the force line between the filling channel (5) and a fixed base plate (3), and wherein the method comprises the following steps: measuring the weight change of the weighing device (26) within a defined time interval during the filling process and / or the emptying process; calculating the change in the filling weight of the filling channel (5) by the control unit (37) based on the weight change within the defined time interval; calculating the filling state of the filling channel (5) by the control unit, wherein the change in filling weight is distributed to the at least one filling channel (5), the filling channel being connected to the fiber bundle inlet section (9) based on the adjustment position of the locking mechanism within the defined time interval. The invention also relates to a spinning preparation machine.

This invention discloses a health assessment method and system based on weight changes in moderately and severely disabled individuals. The method includes the following steps: S1, acquiring health metabolic monitoring data of the target subject within a preset period, including intake data, defecation data, urination data, and weight trend data; S2, based on the health metabolic monitoring data, calculating water balance risk value, defecation risk value, and nutrition and weight risk value respectively, and calculating a comprehensive health risk value based on preset weights to determine the corresponding first risk level; S3, comparing the health metabolic monitoring data with multiple preset judgment rules, and determining whether a second risk level is generated based on the comparison results; S4, if a second risk level is generated, using the second risk level as the health assessment result; if no second risk level is generated, using the first risk level as the health assessment result.

The application discloses a milk frothing device based on precise weighing for realizing quantitative water outlet, and relates to the technical field of maternal and infant equipment. The milk frothing device comprises a device main body, a water storage container, a water outlet assembly and a control unit. The device main body is provided with a bearing area for placing the water storage container. The bearing area is provided with a weighing module for detecting the weight of the water storage container. The water outlet assembly is arranged on the device main body and is in fluid communication with the water storage container. The device main body is provided with a feeding bottle placing area below the water outlet end of the water outlet assembly. The control unit is electrically connected with the weighing module and the water outlet assembly. The overall weight of the water storage container is directly detected through the weighing module arranged on the bearing area, and the quantitative water outlet control is realized through the weight change difference. Compared with the existing scheme relying on the weight gain of the feeding bottle for metering, the water quantity error caused by water outlet inertia can be effectively reduced, and the quantitative water outlet precision is significantly improved.

The application relates to the technical field of poultry breeding monitoring, in particular to a poultry weight estimation method and device, electronic equipment and a storage medium, wherein the method comprises the following steps: collecting the actual weight of a target poultry to calculate a weight change value of the target poultry, and then in response to the weight change value being greater than or equal to a first preset trigger threshold, collecting overhead image information of the target poultry to construct a plurality of time sequence feature windows, and then inputting the plurality of time sequence feature windows and the age information of the target poultry into a preset time sequence regression model to output a weight estimation value of the target poultry. Thus, the problem that the related art only relies on a single image and is prone to cause the extracted geometric features to fluctuate sharply and the estimation accuracy to be low is solved.

This invention relates to the field of garment processing technology, specifically providing a control method and garment care equipment for garment care devices, aiming to solve the problem of poor drying uniformity and localized over-drying of garments in existing garment care equipment. To this end, the garment care equipment includes a care chamber, a drying device, an atomizing device, an air outlet component, and a garment hanging component. The control method includes: operating the drying device; acquiring the real-time weight change rate of the garments on the hanging component; and entering the atomizing mode when the real-time weight change rate decreases to a preset weight change rate. The steps of executing the atomizing mode specifically include: acquiring the real-time weight of the garments on the hanging component; determining the operating power of the atomizing device based on the real-time weight; and controlling the atomizing device to deliver atomized water to the garments on the hanging component at the operating power. By controlling the atomizing device to deliver atomized water to the garments, the humidity of the garments can be balanced, effectively preventing localized over-drying and thus improving the uniformity of drying.

The present invention relates to a drying device with a base body comprising a drying chamber. A workpiece carrier is arranged in an upper region of the base body and has workpiece holders for holding workpieces. A cover is movable between a closed and an open position. The workpiece carrier is mounted on a weighing unit comprising load cells to detect weight changes of the workpieces. A control unit is connected to the load cells and controls fans and heating elements in the drying chamber to maintain a drying rate profile. The control unit adjusts the temperature and airflow based on the detected weight changes to achieve a desired degree of drying within a defined time window.