52 results about "Actual weight" patented technology

The invention discloses a grab bucket crane loading control system and method, and relates to the technical field of loading and unloading automation, a weighing sensing module is integrated in a grab bucket to collect the actual weight of a single-bucket material in real time, and a bucket number calculation module is combined to dynamically update the material density and correct the number of residual feeding buckets in a closed loop mode, so that the loading total amount precision is remarkably improved; the problem of overload and underload caused by material density fluctuation is effectively solved, meanwhile, space coordinates and swing angles are monitored in real time through the grab bucket positioning module, angle, speed and height compensation instructions are dynamically generated through the motion control module, and real-time correction of drop point deviation is achieved. In addition, the accumulated weight and the balance index of each subarea of the compartment are calculated in real time by means of the loading balance module, the falling point is automatically switched to the lowest loading area, uniform material distribution is ensured, the unbalance loading risk is avoided, and the compartment space utilization rate is increased.

The utility model provides a human body scale four-corner measurement value deviation automatic testing machine. The human body scale four-corner measurement value deviation automatic testing machine comprises a rack, a conveying belt, a centering device and a weight loading device. The conveying belt is used for automatically conveying a to-be-tested human body scale into a test area; the centering device accurately controls the movement of a first positioning plate, a second positioning plate, an X-axis positioning rod and a Y-axis positioning rod, so as to achieve the centering and positioning of the human body scale. The weight loading device accurately controls the weights to load the weights with different weights on the four corners of the human body scale through the cooperative work of the second X-axis driving assembly and the second Y-axis driving assembly, detects the weight output value of the human body scale in real time, and compares the weight output value with the actual weight of the weights, thereby accurately measuring the deviation of the measured values of the four corners of the human body scale. The device has the advantages of high test precision, fast test speed, simple operation and the like, can automatically, accurately and efficiently detect the deviation of the four-corner measured values of the human body scale, and meets the test requirements of different models of human body scales.

The application discloses an intelligent warehouse scheduling method and device, relates to the technical field of intelligent warehouse logistics, and is applied to a scheduling system and comprises the following steps: acquiring target goods, determining the actual weight of the target goods through the vehicle-mounted controller of an automatic guided vehicle, the current temperature of the goods and the lifting height; acquiring the actual weight and the target goods ID, screening the goods storage positions according to the size relationship between the actual weight and a target threshold value, and obtaining a candidate storage position set; determining the target score of the candidate storage positions based on the deviation change quantity and the balance change quantity of each storage position after the target goods are placed in the candidate storage positions, and determining the target storage position based on the target score; sending a carrying instruction to the automatic guided vehicle based on the target storage position and the target goods ID, so as to carry the target goods to the target storage position based on the carrying instruction; and determining the position and weight record information of the target goods, so that the automatic guided vehicle acquires the goods based on a taking instruction and completes the warehousing. The safety and stability of the storage system are ensured.

This invention relates to the field of bulk material loading weight control technology, specifically to a railway bulk material loading weight control method and system based on self-learning adjustment. The method includes: real-time acquisition of the actual weight and operating condition data of the preceding car; calculation of dynamic flow control thresholds and dynamic weight compliance thresholds based on the operating condition data, preset threshold calculation formulas, and initialized formula parameters; execution of three-stage coordinated control of different flow rates in the preceding and following chutes based on the comparison results of the actual weight and the two thresholds; and after loading a single car, iterative optimization of iterable coefficients using a gradient descent algorithm based on loading errors and preset convergence conditions, for use in threshold calculation for the next car. This allows for dynamic adaptive adjustment of the thresholds, enabling precise control and fundamentally avoiding overloading problems. It not only provides stable weight control accuracy but also possesses a fully closed-loop self-learning capability, requiring no manual intervention.

The invention relates to the technical field of engineering vehicles, in particular to a load monitoring method of a telescopic arm structure and an engineering vehicle, the effective weight of a telescopic arm in the operation process can change, and in order to accurately obtain the load weight G object, then an insertion auxiliary tool is detached, and the effective weight g of the telescopic arm at any position of a working area is obtained. And then the insertion auxiliary tool is installed at the other end of the telescopic arm, after goods are inserted through the loading auxiliary tool, the total weight G < total > of the telescopic arm, the insertion auxiliary tool and the goods is obtained, the weight G < object > of the goods is equal to G < total >-g-w, and the accurate goods weight is obtained. By obtaining the effective weight g of the telescopic arms at different positions, the accuracy of cargo bearing can be improved, and the problems of structural buckling, failure of a hydraulic system, even overturning of a whole machine and other safety accidents caused by the fact that the actual weight of cargoes exceeds the maximum load are effectively avoided.

The invention provides a vehicle lightweight level evaluation method and device, equipment and a medium, and relates to the technical field of vehicles, and the method comprises the steps: obtaining attribute information corresponding to a to-be-evaluated vehicle, the attribute information comprising size information and type information; calling a target weight fitting function corresponding to the type information to determine a standard weight corresponding to the to-be-evaluated vehicle according to the size information by using the target weight fitting function; and determining a vehicle model lightweight coefficient based on the standard weight and the actual weight corresponding to the to-be-evaluated vehicle, so as to evaluate a target lightweight level corresponding to the to-be-evaluated vehicle. According to the invention, the lightweight level of the vehicle can be reliably and quantitatively evaluated.

The invention discloses a speed control method and device, a motor and a storage medium, and the method comprises the steps: obtaining a preset reference rotating speed and a real-time rotating speed, and calculating a speed error and an error change rate at a current moment based on the preset reference rotating speed and the real-time rotating speed; actual weights and expected weights of the preset reference rotating speed, the speed error and the error change rate are confirmed, and a first correction weight, a second correction weight and a third correction weight are calculated based on the actual weights and the expected weights; calculating a time constant based on the first correction weight, the second correction weight and the third correction weight; and the time constant is substituted into a preset internal model speed controller, and the real-time rotating speed is adjusted through the preset internal model speed controller. Parameters of the internal model speed controller can be adjusted in a self-adaptive mode, and stability is improved.

The present application relates to the technical field of steelmaking continuous casting, and particularly relates to a method for adjusting the length of square billets, which comprises the following steps: defining the hot billet density, the theoretical cross-sectional area of the billet and the theoretical standard weight of the billet; obtaining the actual weight of the billet by weighing; obtaining the actual length of the billet by measuring the hot billet; calculating the adjustment amount of the billet and the weight difference ratio according to the theoretical standard weight of the billet and the actual weight of the billet; and calculating the length of the next billet according to the correction coefficient, the adjustment amount of the billet and the actual length of the previous billet. The present application realizes the purpose of controlling the weight difference of the billet within 3‰.

This invention discloses a device for detecting the presence of coke in coke cans on a dry quenching coke transport vehicle, belonging to the field of coking technology. It includes a frame, a rotating turntable, and a support assembly. The support assembly consists of several sets of support seats and three sets of weighing platforms. The support seats and weighing platforms are evenly distributed in a ring on the upper surface of the frame, with the included angle between the three sets of weighing platforms being 120°. The rotating turntable is positioned above the support assembly and is guided by the support assembly to rotate. By placing the weighing platforms below the rotating turntable, the combined action of the support seats and weighing platforms achieves both support and guidance for the rotating turntable, without affecting its rotational function. This also enables real-time detection of the actual weight of the coke cans, revealing the current coke storage status within the cans. The use of three sets of weighing platforms at a 120° angle ensures the accuracy and stability of the weight acquisition signal. Furthermore, the cross-verification of the detection data from the three sets of weighing platforms ensures the accuracy of the detection results.

The application discloses a loader and a vehicle-mounted weighing method thereof. The vehicle-mounted weighing method of the loader comprises the following steps: establishing a linear model in the lifting process of the loader under different working conditions, acquiring the size cavity pressure difference of a boom cylinder, the boom angle and the boom angular velocity corresponding to different working conditions, and the maximum load weight of the loader in real time; calculating the full-load theoretical pressure difference and the empty-load theoretical pressure difference of the loader according to the size cavity pressure difference of the boom cylinder, the boom angle and the boom angular velocity corresponding to different working conditions; and calculating the actual weight of the load of the loader according to the size cavity pressure difference of the boom cylinder, the maximum load weight, the full-load theoretical pressure difference and the empty-load theoretical pressure difference in the actual lifting and weighing process of the loader. The technical scheme provided by the embodiment of the application has high flexibility for vehicle-mounted weighing.

This invention discloses a method and system for sensing and controlling the posture of a heavy-duty forklift, belonging to the field of forklift technology. It includes detecting the actual weight M0 and dimensions of the current cargo, calculating the maximum lifting height threshold and maximum tilting angle threshold of the gate; when H1≥Hmax, the lifting cylinder stops working; when A1≥Amax, the tilting cylinder stops working; when the lifting and tilting actions are combined, H1 and A1 are dynamically coupled and calculated, and when M0>M, both the lifting and tilting cylinders stop working simultaneously; the displacement of the steering cylinder and the steering angle of the forklift's rear wheels are collected to obtain the real-time posture state of the forklift's rear wheels; based on this final posture state, the steering cylinder is operated until the forklift's rear wheels return to center. This invention senses the forklift's posture in real time and controls each actuator, preventing overloading, reducing operational risks, and improving the accuracy and convenience of operation by increasing real-time rear wheel posture sensing.

Disclosed herein relates to a system, comprising: at least one load receiver mounted on a shopping cart or basket and configured to receive an item placed into the shopping cart or basket for a weighing operation; a plurality of sensors configured to detect a plurality of parameters relating to the weighing operation of the item including at least one of: a relative angle between a force sensing axis of the at least one load receiver and a direction of gravity, a motion of the shopping cart or basket, and an ambient temperature surrounding the shopping cart or basket and the at least one load receiver; and a processor configured to determine an actual weight of the item based on at least a portion of the plurality of parameters.

The application relates to the technical field of low-altitude aircrafts, and discloses a method for returning an unmanned aerial vehicle (UAV) to a position and a UAV garage, the method comprising the following steps: acquiring a landing position coordinate of the UAV; when a position deviation between the landing position coordinate and a target position coordinate is greater than a first preset deviation, acquiring the weight of the UAV; determining a basic thrust of a mechanical arm according to the weight of the UAV; dividing the position deviation into multiple intervals, determining an actual thrust of the mechanical arm based on the basic thrust according to the interval where the position deviation is located; and controlling the mechanical arm to apply the determined actual thrust to the UAV, so as to move the UAV to the target position. After the UAV lands, the mechanical arm outputs a matching force according to the actual weight and the real-time position deviation, effectively avoids the problems of position deviation and attitude deviation of the UAV caused by the mismatching of the size and direction of the force, and significantly improves the returning accuracy and stability of the UAV.

The invention relates to a liquid-phase transfer barrel with a weighing function and a method for weighing materials in the liquid-phase transfer barrel, a weighing sensor is arranged in a top cover 2, a spring is arranged at the bottom of an inner barrel, and the elastic force of the spring to the inner barrel acts on the weighing sensor; the actual weight of the liquid-phase material is calculated by combining a pressure value detected by the weighing sensor with an air pressure value detected by the air pressure sensor, the actual weight is directly fed back to a user through the display panel, and the weight of the material stored in the inner barrel can be accurately displayed no matter when the material is filled or used and no matter the air pressure in the inner barrel is high or low. And a user can conveniently master the material storage amount in the barrel at any time.

This invention relates to the field of engineering vehicle technology, specifically disclosing a load monitoring method for a telescopic boom structure. The effective weight of the telescopic boom changes during operation, and this method aims to accurately obtain the load weight G. 物 Then, the insert attachment is removed, and the effective weight of the telescopic arm at any position in the working area is obtained as g. Subsequently, the insert attachment is installed on the other end of the telescopic arm, and after loading the cargo using the attachment, the total weight G of the telescopic arm, insert attachment, and cargo is obtained. 总 The weight of the goods, G 物 =G 总 -g-w is used to obtain the accurate weight of the cargo. By obtaining the effective weight g of the telescopic boom at different positions, the accuracy of cargo load-bearing can be improved, effectively avoiding safety accidents such as structural buckling, hydraulic system failure, or even the entire machine tipping over due to the actual weight of the cargo exceeding the maximum load.

The invention discloses an energy recovery torque distribution method, device and equipment, a medium and a program product, and relates to the field of torque distribution. Comprising the steps that the empty load weight, the full load weight and the actual weight of the semitrailer, the preset first axle load proportion between a main vehicle and the trailer in the empty load state, the preset second axle load proportion between the main vehicle and the trailer in the full load state, the total torque required by energy recovery, the SOC level of a main vehicle battery and the SOC level of a trailer battery are obtained; determining an initial axle load proportion according to the empty load weight, the full load weight, the actual weight, the first axle load proportion and the second axle load proportion; and according to the initial axle load proportion, the total torque required for energy recovery, the SOC level of the main vehicle battery and the SOC level of the trailer battery, the main vehicle energy recovery torque and the trailer energy recovery torque are determined, energy can be fully recovered, and the energy recovery rate of the semitrailer is increased.

The application discloses a method for quickly measuring the gravity center of an airplane, which comprises the following steps: setting a rectangular gravity measurement area, taking four vertexes of the gravity measurement area as gravity measurement points; making the airplane to be measured to be located in the gravity measurement area; and acquiring the actual weight and the actual gravity center position of the airplane to be measured according to the position information of the airplane in the gravity measurement area, the length and the width of the gravity measurement area and the gravity measurement information measured at the four vertexes of the gravity measurement area. Before taking off, the airplane enters the gravity measurement area to be quickly measured, the gravity center of the airplane to be measured is adjusted according to the position deviation between the actual gravity center position and the ideal gravity center position of the airplane to be measured and the weight and gravity center design envelope of the airplane to be measured, so that the gravity center of the airplane meets the limitation requirement, the quick and accurate measurement of the gravity center of the airplane before taking off is realized, and the flight safety is ensured.

The invention discloses an intelligent self-learning multi-interface grab bucket driving current weighing system and method. The system comprises a current acquisition module, a processing unit and a self-learning module. The current acquisition module supports analog current and digital current interfaces and is used for acquiring rising current and closing current of a grab bucket motor. The processing unit calculates a UC current value and calculates the weight of the materials according to a formula, G is the self weight of the grab bucket, the empty grab current, the current UC current value and the adjustable parameter, and g is the gravitational acceleration. And the self-learning module dynamically adjusts the parameters by comparing the actual weight with the predicted weight so as to reduce errors. The system has the advantages of being low in cost, easy and convenient to install, high in adaptability and the like, and is suitable for various grab crane weighing fields.

This invention relates to the field of road weighing platform technology, specifically to a weighing data-driven method, medium, and equipment for diagnosing measurement deviations on highway weighing platforms. The method includes acquiring multi-source data from a road weighing platform network monitoring system; constructing a vehicle cross-weighing platform passage chain and preprocessing the data; defining a weighing accuracy index and constructing a deviation diagnosis model; building a two-layer verification framework based on the HDBSCAN clustering algorithm; and outputting the weighing platform measurement deviation diagnosis results. This invention integrates the least squares method and an iterative reweighted optimization algorithm, which can accurately quantify the weighing accuracy index of the weighing platform affected by environmental and calibration factors, effectively solving the problem of vehicle actual weight estimation distortion caused by systematic deviations of the weighing platform, and ensuring the accuracy and convergence stability of the measurement deviation diagnosis.

This invention discloses an automatic protection control method and device for a cement bulk loading machine. The method includes: real-time acquisition of dynamic information such as vehicle position, license plate recognition, height of the telescopic unloading head, valve status, limit switch status, fan status, material height, weighbridge weight, planned weight, and motor load current; guiding vehicle parking and confirming compliance; automatically controlling the descent of the loading machine and the start / stop of the equipment; calculating the difference between the actual weight and the planned weight and the weight change rate; if the weight reaches a preset range, generating a control command to close the valve to achieve automatic weight control; and simultaneously monitoring for motor current fluctuations, abnormal position / height, or communication interruptions to achieve emergency braking and protection against mechanical jamming, rope breakage, and other faults in the cement bulk loading machine. This invention solves the technical problems of low level of automatic control intelligence and poor safety in existing cement bulk loading machines.

The invention relates to the technical field of road weighing platforms, in particular to a road weighing platform metering deviation diagnosis method driven by weighing data, a medium and equipment, and the method comprises the steps: obtaining multi-source data of a road weighing platform networking monitoring system; constructing a vehicle cross-weighing-platform passing chain and preprocessing data; defining a weighing accuracy index and constructing a deviation diagnosis model; constructing a two-layer inspection framework based on an HDBSCAN clustering algorithm; and outputting a weighing platform metering deviation diagnosis result. According to the method, the least square method and the iterative reweighting optimization algorithm are fused, the weighing accuracy index of the weighing platform influenced by environment and calibration factors can be accurately quantified, the problem of vehicle actual weight estimation distortion caused by systematic deviation of the weighing platform is effectively solved, and the precision and convergence stability of metering deviation diagnosis are guaranteed.

The invention relates to the field of aviation encasement matching optimization, in particular to an aviation encasement matching optimization method based on dynamic cargo quantity analysis. The method comprises the following steps: acquiring dynamic demand data of an aviation shipping space in real time, acquiring physical attributes of a package, and calculating the residual actual weight of a shipping space interval and the residual standard weight upper limit of the shipping space interval; based on the physical attributes of the packages, combining with the upper limit of the residual standard weight of the shipping space interval, introducing a dynamic priority matching and self-adaptive new box opening distribution algorithm, determining an optimal box filling strategy for the currently processed single package in real time, obtaining a recommended delivery box, carrying out box filling verification, and after the verification is passed, sending the recommended delivery box to the server. And establishing an association relationship between the current package and the recommended delivery box. The technical problems that a traditional aviation boxing matching technology depends on artificial experience, the utilization rate of aviation shipping space resources is low, a full-process controllable and traceable mechanism is lacked in the boxing process, and the real-time change requirement of the aviation shipping space cannot be dynamically responded are solved.

This invention discloses an automatic feeding cart and its feeding system for a smelting furnace, relating to the technical field of smelting production equipment. The feeding cart includes: a cart body, a weight detection device, and a hopper device. The weight detection device is disposed on the cart body; the hopper device is disposed on the cart body; at least one of the weight detection device and the hopper device is movable relative to the cart body; the hopper device and the weight detection device are configured to have a feeding state and a weighing state; the hopper device in the feeding state is detached from the weight detection device, and the hopper device in the weighing state is placed on the weight detection device so that the weight detection device detects the weight of the hopper device. The feeding cart of this invention can directly obtain the weight of the material in the hopper device, ensuring that the actual weight of the material in the hopper device is consistent with the detected weight data, thus improving the accuracy of the detected material weight.

The present disclosure relates to an apparatus for reducing a perceived weight of a VR headset, which reduces the perceived weight of the VR headset compared to an actual weight of the VR headset when a user wears the VR headset on his or her head.

Disclosed herein relates to a system, comprising: at least one load receiver mounted on a shopping cart or basket and configured to receive an item placed into the shopping cart or basket for a weighing operation; a plurality of sensors configured to detect a plurality of parameters relating to the weighing operation of the item including at least one of: a relative angle between a force sensing axis of the at least one load receiver and a direction of gravity, a motion of the shopping cart or basket, and an ambient temperature surrounding the shopping cart or basket and the at least one load receiver; and a processor configured to determine an actual weight of the item based on at least a portion of the plurality of parameters.

The continuous weighing method is applied to the continuous weighing system, the continuous weighing system comprises a rubber belt machine and a weighing platform, the weighing platform is arranged on the side close to the input end of the rubber belt machine and below the belt in contact with the article, the height of the weighing platform is higher than the height of the part of the belt not in contact with the weighing platform, and the method comprises the following steps: S100, acquiring the initial weight of the i-th article on the belt above the weighing platform in the case that the rubber belt machine is running; S200, in the case that the i-1-th article does not leave the rubber belt machine and the i+1-th article does not enter the rubber belt machine, searching for the i-1-th balance coefficient corresponding to the actual weight of the i-1-th article from the database according to the actual weight of the i-1-th article; S300, determining the actual weight of the i-th article according to the i-1-th balance coefficient and the initial weight; and S400, storing the image and the actual weight of the i-th article in association.

The invention provides a control method and system for automatically adjusting parameters of a fine cotton blending unit, and the method is characterized in that the method comprises the following steps: (1) presetting the total weight W of weighing units and the preset weights of four weighing units on main control equipment, and calculating the average loading time of each hopper; and (2) obtaining an error value and an error rate between the preset weight and the actual weight, and an error value between the average loading time and the actual loading time, and obtaining a proportionality coefficient and an integral coefficient of an outer ring and a proportionality coefficient of an inner ring in the cascade system by adopting a control rule of a fuzzy self-adaptive cascade PID (Proportion Integration Differentiation) algorithm. (3) repeatedly calculating the second weighing weight and the bucket loading time according to the data in the step (2); and (4) repeating the step (2) and the step (3) according to the data of the step (3), calculating the next weighing weight and the hopper loading time, and repeating the steps in sequence. Parameters are automatically adjusted in the production process, the quality and yield of produced products are guaranteed, and manual adjustment is not needed in the whole process.

The invention relates to the field of driving safety, in particular to a vehicle overload control method, which comprises the following steps of: establishing a weighing sensing system, establishing a load estimation model, setting a load threshold value, acquiring and processing data and controlling a whole vehicle, arranging a weighing sensor in a maximum stress area of a frame, and improving the accuracy of obtaining the weight of the frame. Establishing a weighing estimation model in the early stage, predicting the weight of the vehicle by using the vehicle data, and deploying to a vehicle controller after the error between the predicted weight data and the actual weight data is less than or equal to 5%; according to the method, the overload condition is divided by setting the load threshold value, the vehicle load is estimated according to the weighing estimation model in the driving state, a driver is reminded and the vehicle is controlled according to the load condition, and the danger signal obtaining difficulty of the driver in the driving process is reduced.

The utility model discloses a millimicro scale device which comprises an installation rack, a supporting frame is fixedly installed on the installation rack, an overturning shaft is rotatably installed in the supporting frame, the two ends of the overturning shaft extend to the outer side of the supporting frame, one side of the supporting frame is provided with a driving assembly used for driving the overturning shaft to rotate, and the other side of the supporting frame is provided with a driving assembly used for driving the overturning shaft to rotate. A mounting assembly is arranged at the end, away from the driving assembly, of the overturning shaft, a weighing sensor is mounted on the inner side of the mounting assembly, a scale hopper is mounted at the measuring end of the weighing sensor, and a supporting plate is further mounted on the overturning shaft. The weighing sensor only bears the weight of the scale hopper and the weight of the small material to be prepared, the weight of the scale hopper can be compressed to the limit by optimizing the appearance and the processing technology of the scale hopper, so that the tare weight is greatly reduced, the actual weight of the small material to be prepared can be more accurately measured by the weighing sensor in an adaptive measuring range, and the weighing sensor is convenient to use. And the ingredient weighing precision is obviously improved.

The present application relates to the field of driving safety, in particular to a vehicle overload control method, which establishes a weighing perception system, establishes a load estimation model, sets a load threshold and data acquisition, processing and vehicle control, sets a weighing sensor in the maximum stress area of the vehicle frame, improves the accuracy of obtaining the weight of the vehicle frame, and establishes a weighing estimation model in the early stage, uses vehicle data to predict the weight of the vehicle, and deploys it to the vehicle controller after the error between the predicted weight data and the actual weight data is less than or equal to 5%; sets a load threshold to divide the overload condition, estimates the vehicle load according to the weighing estimation model in the driving state, and reminds the driver and controls the vehicle according to the load condition, reducing the difficulty of obtaining dangerous signals for the driver during driving.