458 results about "Maximum temperature" patented technology

The invention discloses a mass concrete intelligent temperature monitoring system and method, and the system comprises a high-precision temperature sensor, a data collection node which is connected with the high-precision temperature sensor and is responsible for carrying out the primary processing and integration of temperature data collected by the sensor, and a data collection terminal which serves as a data convergence center of the whole monitoring system and is used for collecting the temperature data. The intelligent temperature monitoring system comprises a plurality of data acquisition nodes which are connected in a wired or wireless communication mode, a data monitoring platform which operates at a server end and is a core control and management unit of the whole intelligent temperature monitoring system, and a circulating water cooling control system which is composed of a cooling water pump, a cooling tower, a cooling water pipe network, a temperature control main station and the like. The cooling water pipe network is embedded in the concrete in advance to form a closed water circulation loop; the temperature control master station receives a cooling control instruction sent by the data monitoring platform, and adjusts the rotating speed of a cooling water pump and the working state of a cooling tower according to the instruction, so that the flow and temperature of cooling water in a cooling water pipe network are accurately controlled; through flowing of circulating water in the concrete, redundant heat in the concrete is taken away, effective regulation and control over the temperature in the concrete are achieved, key indexes such as the highest temperature and the temperature gradient of the concrete are controlled within a reasonable range all the time, and concrete cracks caused by temperature stress are avoided.

The invention provides a frying and baking equipment heat preservation automatic control method and system, and relates to the technical field of food processing equipment control, and the method comprises the steps: collecting temperature signals of different positions through a plurality of groups of thermocouples and infrared thermal imaging sensors which are arranged in a frying and baking area, constructing a dynamic three-dimensional temperature field model, and obtaining a dynamic three-dimensional temperature field model; calculating a temperature standard deviation and a maximum temperature gradient in real time according to the dynamic three-dimensional temperature field model; and when the temperature standard deviation is larger than or equal to a preset threshold value, according to the heat distribution difference of the three-dimensional temperature field model, a multi-region differential compensation strategy is generated, the power distribution proportion of each heating unit is dynamically adjusted, and the duty ratio parameter of pulse width modulation is optimized in real time. Through multi-sensor accurate monitoring, dynamic regulation and control and intelligent stop judgment, uniform and stable temperature control, energy conservation and consumption reduction are achieved, the service life of equipment is prolonged, meanwhile, the use safety of a user is guaranteed, and the cooking experience is improved.

The invention relates to the technical field of semiconductor electrical equipment cooling, and discloses an electrical control cabinet cooling device and a control method thereof. The thermal load trend, the maximum temperature rise expected value and the temperature rise rate change interval in the electrical control cabinet can be predicted in real time based on historical operation data training and the current operation state. The method comprises the following steps: carrying out prospective evaluation on a cooling demand by combining a feature extraction mechanism and a time sequence modeling capability so as to output a more refined predictive control parameter, and finally generating a multi-dimensional cooling control instruction according to the predictive control parameter and a current operation state so as to realize dynamic scheduling of a cooling assembly. And the response timeliness and the energy efficiency matching degree are obviously improved.

The invention discloses a large-space temperature distribution optimization method for an electronic clean workshop, and the method comprises the steps: determining the initial design parameters of a clean room, including the design temperature difference delta Tset of the clean room, the initial arrangement rate and wind speed of a fan filter unit, and the comprehensive heat transfer coefficient K of an enclosure structure; calculating outdoor heat transfer heat flow density q; dividing the upper interlayer space into a plurality of areas, and calculating the average temperature of each area of the upper interlayer; calculating the space temperature distribution of the clean room; the maximum temperature difference delta Tmax of the clean room is calculated, and the deviation ratio delta between the maximum temperature difference delta Tmax and the designed temperature difference is calculated; when delta Tmaxgt; delta Tset or delta gt; when a threshold value is set, the heat transfer resistance of the enclosure structure, the average arrangement rate of fan filter units and the air speed are adjusted; and outputting the adjusted heat transfer resistance of the enclosure structure of the clean room, the average arrangement rate and wind speed of the fan filter units and the arrangement rate of the fan filter units in the partial area of the clean room. According to the method, the temperature distribution of the large-space clean room can be quickly calculated, and the temperature distribution of the large-space clean room can be accurately controlled.

The invention discloses a temperature monitoring method for a rotating part of a grain conveyor and related equipment, and relates to the field of temperature monitoring. By adopting the technical scheme, the temperature monitoring system acquires the bearing temperature data under the no-load working condition and the full-load working condition, and draws the bearing temperature change thermal distribution diagram based on the bearing temperature rise data, so that the temperature distribution characteristics of the bearing can be comprehensively mastered. An angle sensor and a temperature sensor array are arranged at the position with the maximum temperature gradient, a temperature monitoring system can obtain the corresponding relation between the temperature and the angle in the bearing rotating process in real time, and bearing rotating temperature characteristic parameters such as the angle temperature difference value, the temperature fluctuation amplitude and the temperature change rate are calculated based on the corresponding relation. The temperature monitoring system compares the bearing rotation temperature characteristic parameter with a preset temperature early warning threshold value, and the abnormal operation type of the bearing can be accurately recognized.

The invention discloses a charging current MAP automatic test method based on an HIL rack, and the method comprises the following steps: simulating the condition states of a single battery corresponding to different temperature parameters and voltage parameters through the HIL rack according to the requirements of a test working condition; based on the temperature parameter and the voltage parameter, executing the following operations through an HIL rack: acquiring a maximum voltage effective value Vmax, a minimum voltage effective value Vmin, a maximum temperature effective value Tmax and a minimum temperature effective value Tmin of the single battery under a test working condition; a charging MAP table is inquired through the combination of four parameters of Vmax, Vmin, Tmax and Tmin, and a minimum current value CurrentRequest is output by adopting an extreme value selection logic; under the same working condition, the CurrentRequest is compared with a requested charging current value sent by the BMS, and if the difference value of the CurrentRequest and the requested charging current value is within a preset error range, it is judged that the test is passed; otherwise, determining that the test is not passed. The HIL rack automatically calculates a correct charging current value which is compared with a BMS calculation value, manual intervention is not needed, and the test efficiency is greatly improved.

The invention relates to the technical field of crystal furnaces, in particular to a temperature control system and method for a crystal furnace, and the method comprises the steps: setting the target temperature of the crystal furnace, heating the crystal furnace through a heater, and monitoring the internal temperature of the crystal furnace in real time through a temperature sensor; crystal growth is guided through seed crystals in the crystal furnace, and airflow distribution in the crystal furnace is guided through a guide plate; determining whether the temperature control stability of the crystal furnace meets the requirement or not based on the maximum temperature difference quantity in the crystal furnace; if the temperature control stability of the crystal furnace does not meet the requirement, whether the duty ratio of a heater needs to be increased or not is determined; determining whether thermal management in the crystal furnace meets requirements based on the growth rate of the crystal in the crystal furnace; determining whether the rotation speed of the seed crystal needs to be increased; and determining whether the angle of the guide plate in the crystal furnace needs to be increased based on the fluctuation amplitude of the pressure in the crystal furnace. The temperature control stability of the crystal furnace is improved.

The invention relates to the technical field of aero-engine turbine blades, and discloses a method and system for evaluating a machined blade, and the method comprises the steps: obtaining a maximum size deviation value of the machined blade and a designed blade profile through the extraction of machined blade surface data of the turbine blade; carrying out temperature field simulation analysis on the machined blades and the designed blade profile to obtain the ratio of the highest temperature in the temperature field of each machined blade to the average value of the surface temperature of the designed blade profile, so as to construct a function relational expression between the ratio and the maximum relative deviation value of the size of the corresponding machined blade; and calculating a ratio calculation value of the to-be-analyzed and processed blade profile by adopting the function relation so as to judge whether the to-be-analyzed and processed blade meets the use requirement, the evaluation method considers the temperature field influence caused by the size deviation of the processed blade during actual manufacturing, the judgment efficiency and accuracy of the effectiveness of the processed blade are improved, and the evaluation method has the advantages of being high in practicability and easy to popularize. And it is ensured that the machined turbine blade meets the design requirement.

The present invention provides a human body position detection method, system, device and smart home device. The method includes: using a pyroelectric sensor to scan and collect temperature data of a detection area; selecting temperature data that is greater than or equal to a minimum temperature threshold and less than or equal to a maximum temperature threshold, and connecting the selected temperature data to outline a temperature distribution contour, forming n intervals; scanning and collecting temperature data of the detection area again at an interval time t, selecting temperature data that is greater than or equal to the minimum temperature threshold and less than or equal to the maximum temperature threshold, and connecting the selected temperature data to outline a temperature distribution contour, forming n intervals; calculating the width difference between the corresponding intervals of the two detected temperature data, and if the difference is greater than or equal to a width difference threshold, determining that the corresponding interval is an occupied interval. The present invention determines whether there is a person not only based on temperature, but also restricts it from whether the target object moves, reducing false judgments caused by non-human heat generation.

The invention provides a graphitization furnace comparison verification temperature measurement method and system and a medium, and the method comprises the steps: obtaining the parameter information of a graphitization furnace, and setting a plurality of infrared high-temperature thermodetectors and a plurality of memory graphite rods; collecting real-time temperature data of the furnace core area, and analyzing and processing the real-time temperature data to obtain infrared temperature measurement data; taking out the plurality of memory graphite rods from the graphitization furnace, and carrying out multi-dimensional measurement analysis on the memory graphite rods based on a plurality of measuring instruments to obtain burning loss degree quantitative data; performing maximum temperature inversion on the memory graphite rods placed at different positions of the furnace core area based on the burning loss degree quantitative data to obtain maximum temperature distribution conditions of different positions of the furnace core area; the infrared temperature measurement data and the highest temperature distribution condition of the memory graphite rod are compared and verified, and the real temperature of the furnace core area is obtained; through combination of the infrared high-temperature measuring instrument and the memory graphite rod, cross validation is realized, and the accuracy of a temperature measurement result is improved.

The invention discloses a method for evaluating rock mass fracture freeze-thaw fracture damage risk based on surface temperature, which comprises the following steps: S1, carrying out data acquisition on a target area based on a multi-source sensor carried by an unmanned aerial vehicle platform, and obtaining fracture geometric parameters, daily surface minimum temperature, daily surface maximum temperature, daily temperature difference and fracture moisture conditions; s2, on the basis of the geometric parameters of the crack, constructing a crack frost heaving force analytical model; obtaining a quantitative relation between the stress intensity factor and the environment temperature; s3, the I-type fracture toughness of the target rock mass is measured, and the critical crack initiation temperature of the rock mass is determined; determining the number of critical freezing and thawing cycles; s4, on the basis of the daily earth surface minimum temperature, the daily temperature difference, the fracture moisture condition and the critical crack initiation temperature, the annual accumulated effective freezing and thawing cycle number is obtained; and calculating a freeze-thaw damage ratio, and carrying out risk quantification and grading. According to the invention, the problem of inaccurate evaluation caused by limitation to local monitoring and lack of an environment factor and material parameter integrated evaluation framework in the prior art is solved.

The invention provides a battery management apparatus and a battery management method. The battery management apparatus includes: a temperature sensor that measures a temperature of each partition of each battery cell constituting a battery module; a thermal management module for heating or cooling each battery cell or each partition thereof; and a processor that calculates maximum inter-cell temperature differences (dCell1 to dCellN) for each of the battery cells, calculates maximum inter-cell deviation corresponding to a maximum temperature difference between the battery cells by subtracting a minimum temperature difference (min (dCell1 to dCellN)) among the calculated maximum inter-cell temperature differences from a maximum temperature difference (max (dCell1 to dCellN)) among the calculated maximum inter-cell temperature differences, and calculates a maximum inter-cell deviation corresponding to a maximum temperature difference between the battery cells by subtracting the maximum inter-cell deviation from the maximum temperature difference (max (dCell1 to dCellN). And when the maximum inter-cell deviation is greater than a predetermined lower limit threshold temperature (Threshold low), performing temperature control or charging current control on a weak cell corresponding to the battery cell having the maximum temperature difference in a predetermined manner.

The invention discloses a production storage tank storage performance detection system based on data analysis, and belongs to the technical field of production storage tank storage performance detection analysis. According to the scheme, internal environment storage data of a storage tank is collected and analyzed in real time, a plurality of collection points are set in storage tank equipment, and the measuring point temperature and the measuring point pressure of each collection point are obtained; the accuracy and comprehensiveness of collection and analysis of the internal environment of the storage tank are improved, a temperature change curve and a pressure change curve are described respectively, analysis and calculation are conducted by combining the maximum temperature value of a set temperature interval and the maximum pressure value of a set pressure interval, and abnormal collection points and storage risk coefficients are obtained. Whether the operation storage state of the storage tank meets the requirement or not is judged according to the storage risk coefficient, the judgment accuracy is improved, the environment influence coefficient of the abnormal collection point is obtained, whether the surrounding real-time environment is qualified or not is judged, comprehensive analysis is conducted from inside to outside, and targeted adjustment is conducted according to the judgment result.

The invention discloses a control method and device of electrical equipment, the electrical equipment and a storage medium. The electrical equipment comprises a shell, a temperature measurement module and a controller. The shell is provided with a first surface and a second surface which deviate from each other. The temperature measurement module is arranged on the first surface and comprises a first temperature measurement unit and a second temperature measurement unit, and the two temperature measurement units define a heat transfer channel. The controller is used for acquiring a first temperature corresponding to the first temperature measuring unit and a second temperature corresponding to the second temperature measuring unit; and when the determined temperature of the heated object is greater than the reference temperature, correcting the temperature measurement model based on the first temperature, the second temperature and the reference temperature. The reference temperature represents the maximum temperature value which can be reached by the electrical equipment in the current working mode. And if the determined temperature of the heated object is greater than the reference temperature, the temperature measurement model has deviation. And the controller corrects the temperature measurement model so as to ensure that the corrected temperature measurement model can accurately determine the temperature of the heated object.

The invention relates to the technical field of optimization control of a battery thermal management system, in particular to a battery thermal management system optimization method. Comprising the following steps: S1, acquiring a running state parameter and a battery aging state parameter of a battery pack; constructing a thermal characteristic prediction model based on the operation state parameters to generate a predicted maximum temperature and a predicted maximum temperature difference; s2, setting an energy consumption optimization target and an initial security constraint; combining the predicted maximum temperature and the predicted maximum temperature difference to construct a Lagrangian optimization function considering the initial safety constraint; s3, calculating a battery aging factor based on the battery aging state parameters; dynamically correcting the initial safety constraint according to the battery aging factor to generate a corrected dynamic safety limit value; and updating a Lagrange optimization function by using the corrected dynamic safety limit value, and solving the updated Lagrange optimization function to output an optimal cooling system power instruction. According to the method, dynamic self-adaptive adjustment of the thermal management security boundary is realized.

The invention relates to the technical field of power device heat dissipation, and discloses a power device packaging heat dissipation optimization method based on three-dimensional thermal field regulation and control. A power device packaging structure is divided into a heat source area, a heat dissipation substrate area and an interface material area, corresponding models are established after parameters of all the areas are determined, and a nonlinear thermodynamic simulation model is constructed. Thermal field data are obtained through transient thermal field simulation, an optimization objective function with a thermal field uniformity index, maximum temperature rise and thermal resistance as indexes is defined, and heat dissipation substrate parameters and interface material heat conductivity coefficient distribution are optimized through an improved particle swarm optimization algorithm. And performing sensitivity analysis by using an adjoint variable method, and dynamically adjusting model parameters according to whether the uniformity index of the thermal field reaches the standard or not. The method can accurately simulate the thermal field, optimize the heat dissipation performance in a multi-index manner, improve the optimization efficiency, effectively solve the packaging heat dissipation problem of the power device, and improve the performance and reliability of the power device.

A system for monitoring a switchgear includes an infrared camera; a processing unit; and an output unit. The camera acquires a first infrared image. The processing unit determines a pixel in the first image with a maximum temperature and uses a second number of pixels to determine a temperature interval. The processing unit sorts the pixels in descending order of temperature to determine a threshold temperature and determines that a hot spot exists in the switchgear using the temperature interval for the first infrared image. The output unit is configured to output an indication of a fault in the switchgear when the determination has been made that a hot spot exists in the switchgear.

The invention discloses an electromagnetic heating system, and a method and a device for detecting the thermistor of the electromagnetic heating system. The method comprises the following steps of: recording the temperature value obtained by the thermistor as a first temperature value when the electromagnetic heating system is powered on; recording the temperature value obtained by the thermistoras a second temperature value when the electromagnetic heating system is in a standby state; obtaining the maximum temperature value and the minimum temperature value of the temperature value obtainedby the thermistor in a continuously preset second preset time every other first preset time during the heating process of the electromagnetic heating system; and judging whether the thermistor is ina failure state or not according to the first temperature value and / or the second temperature value, the maximum temperature value, and the minimum temperature value. The method for detecting the thermistor of the electromagnetic heating system judges whether the thermistor fails or not according to the static temperature values at the time of power-on and standby and the dynamic temperature valuein the heating process, so that the accuracy and the reliability of the judgment are greatly improved, and the safety of the system is improved.

The invention relates to the technical field of energy storage, and provides a temperature control method and device of an energy storage system, the energy storage system and electric equipment. The method comprises the steps that whether pre-refrigeration is conducted or not is judged according to the highest temperature value in the local daytime temperature of the place where the energy storage system is located, the lowest temperature value in the local daytime temperature of the place where the energy storage system is located, the preset highest environment temperature value and the preset lowest environment temperature value; if it is determined that pre-refrigeration is carried out, whether the liquid cooling unit is started to cool the energy storage system or not is determined according to the current temperature, the average temperature of the multiple battery cells and the pre-refrigeration reference temperature, and extra refrigeration can be carried out on the energy storage system at least under the condition that the temperature is low, the electric power is reduced, the electricity consumption is reduced, and the refrigeration energy efficiency is improved.

Provided is a non-oriented electrical steel sheet that is excellent in iron loss and magnetic anisotropy under high magnetic flux and high frequency conditions, and a method for manufacturing the same. [Solution] A method for producing a grain-oriented electrical steel sheet includes the steps of heating a slab containing, by weight, 1.5 to 6.5% Si, 0.0005 to 3.5% Al, 0.01 to 3.0% Mn, 0.005 to 5.0% Cr, 0.0005 to 0.03% S, the balance being Fe and other unavoidable impurities, at 1050 to 1220°C, finish hot rolling the slab to obtain a hot-rolled sheet, hot-rolling the hot-rolled sheet at 850 to 1150°C for 30 to 300 seconds, cold-rolling the hot-rolled sheet that has been annealed to obtain a cold-rolled sheet, heating the cold-rolled sheet, and rolling the heated cold-rolled sheet. and final annealing at 600 to 1150°C for 10 to 300 seconds, wherein the cold rolling satisfies the following [Relationship 2], wherein the heating rate in the temperature range of 300 to 500°C during heating is 5 to 150°C / s, and the gas atmosphere in the temperature range of 500 to 750°C during the final annealing is composed of, by volume, 15 to 99.99% hydrogen, 0.0001 to 0.0030% oxygen, and the balance being an inert gas, and the oxygen content in the gas atmosphere in the temperature range of 800 to 1100°C during the final annealing is 1 to 1.5 times that in the temperature range of 500 to 750°C. [Relationship 2] Maximum temperature of cold-rolled sheet surface during cold rolling < 200 × cold rolling reduction / 100 + 40

The invention relates to the technical field of parameter cooperative control, and discloses a multi-parameter cooperative control method and an incubator, and the method comprises the steps: carrying out the disturbance measurement of the heating power and carbon dioxide injection in an incubator body, and calculating a temperature-to-concentration influence coefficient and a concentration-to-temperature influence coefficient; identifying door opening disturbance according to the door state signal jump and the maximum temperature drop rate and the concentration drop rate of the N temperature sensors, and collecting maximum temperature deviation and concentration deviation; on the basis of the maximum temperature deviation and the concentration deviation, the opening degree of an electromagnetic proportional valve is set to be in a large-flow state to rapidly recover the carbon dioxide concentration, and after concentration recovery is completed, control parameter compensation is conducted according to the temperature-to-concentration influence coefficient and the concentration-to-temperature influence coefficient. According to the method, the problem that temperature adjustment and concentration adjustment interfere with each other is solved, and cooperative control over parameters is achieved.

The invention discloses an over-temperature protection method, device and equipment for a power module of a motor controller, and belongs to the technical field of vehicle safety, and the over-temperature protection method for the power module of the motor controller comprises the steps: determining the running state of a vehicle according to the rotating speed of a motor if the three-phase temperature of the power module of the motor is detected to be abnormal; if the running state represents that the vehicle runs, a first temperature difference value between the maximum temperature and the minimum temperature in the three-phase temperature is determined; and if the first temperature difference value is within a preset temperature range, reducing the output power of the motor according to the average temperature of the three-phase temperature. According to the scheme, the problem that due to the fact that the temperature sensor detects the partial temperature of the power module inaccurately, the vehicle takes protection measures according to the inaccurate temperature, and then the vehicle cannot run normally can be solved.

The invention provides an arsenic hydride reaction kettle temperature control method and device, equipment and a storage medium, and belongs to the technical field of temperature control, and the method comprises the steps: calculating a first temperature value of a target reaction kettle based on temperature data of different monitoring positions in the target reaction kettle; judging whether the first temperature value belongs to a preset range corresponding to a reaction stage or not based on the current reaction stage of the target reaction kettle; the preset range is a temperature range composed of a target maximum temperature value and a target minimum temperature value; if the first temperature value does not belong to the preset range, calculating a first difference value between the first temperature value and a target minimum temperature value, or calculating a second difference value between the first temperature value and a maximum temperature value; and on the basis of any one of the first difference value and the second difference value and the pressure data, a control parameter and / or a reaction liquid parameter of the heat exchange medium in the target reaction kettle are / is adjusted, so that the temperature of the target reaction kettle is controlled. The temperature of the reaction kettle can be effectively controlled.

To disclose a technique capable of reducing occurrence of season cracking of a continuously cast slab.SOLUTION: In a cooling process of a continuously cast steel slab having a predetermined chemical composition, a process for imparting a temperature distribution to the slab is started at any point of time when a representative temperature on a surface along a width direction and a longitudinal direction of the continuously cast slab reaches 600°C from 1200°C. The temperature distribution is applied to the surfaces so as to satisfy, after the start, two conditions that (A) a difference ΔT between a maximum temperature and a minimum temperature in a length of 2000 mm along a longitudinal direction of the surfaces is 150°C or more, and (B) an interval I1 between a portion having the maximum temperature and a portion having the minimum temperature in the length of 2000 mm along the longitudinal direction of the surfaces is 180 mm or more and 1000 mm or less.SELECTED DRAWING: Figure 1

The invention provides a method for optimizing a technology for painting, glazing and firing porcelain on a crystal surface, the optimized crystal belongs to a high-temperature-resistant material which is hard in texture, high in density and poor in adhesive force and has very high requirements on coloring and glazing of underglaze color, and pigments and glaze materials with strong adhesive force need to be manufactured, firstly, the surface of an optimized crystal object is polished to be in a moderate frosted state; then, pigment with moderate water content and extremely fine granularity is used for drawing, first-time fixation firing is carried out after coloring, and the highest firing temperature is 600 DEG C; after cooling, glaze is sprayed for 1-2 times for secondary firing, the temperature is selected according to the glaze, repeated coloring and glazing and repeated firing can also be performed according to creation requirements, and the highest firing temperature does not exceed 1650 DEG C. And the peak high-temperature time is controlled to be 10-20 minutes, so that the effect of fusing the glazing color and the crystal surface can be realized. According to the method, the defects that in the prior art, crystal and glaze are difficult to combine, and the firing effect is not ideal are overcome, and the exquisite and lasting crystal surface decoration effect is achieved.

Method for operating a Pirani pressure sensor (1) with a measuring resistor (2) and a measuring volume (3) surrounding the measuring resistor, wherein the measuring resistor is subjected to an electrical power (P) and an equilibrium temperature of the measuring resistor (2) is established in the medium of the measuring volume, where a control unit (4) switches between a first measuring mode (M1) and a second measuring mode (M2) during the pressure measurement, wherein in the first measuring mode (M1) the measuring resistor is subjected to a defined maximum power (Pmax), wherein the temperature (T) of the measuring resistor is determined as a measured variable of the pressure to be determined, and in the second measuring mode (M2) the temperature (T) of the measuring resistor is fixed at a maximum temperature (Tmax), wherein the power (P) required to maintain the maximum temperature (Tmax) is determined as a measured variable of the pressure to be determined.

The invention provides a testing device and a testing method for postprocessor temperature field calibration, and belongs to the technical field of internal combustion engine postprocessing, and the method comprises the following steps: installing the testing device, fixing a plurality of thermocouple probes on a base, and enabling the end surfaces of the thermocouple probes to extend to a specified measurement area of a diesel particle filter; triggering and starting a regeneration process of the diesel particulate filter under a target working condition, and synchronously collecting temperature data from the thermocouple probe in real time; calculating the maximum temperature gradient in the diesel particulate filter based on the temperature data; and comparing the maximum temperature gradient with a preset safety threshold, and adjusting a regeneration control strategy according to a comparison result. According to the invention, the test efficiency, the data accuracy and the economical efficiency are obviously improved.

Before a rolling pass (i), characterized by a parameter set (Λi), of a strip (100) in a roll stand (10), a minimum and maximum temperature (Tmin, Tmax) and a minimum and maximum coefficient of friction (µmin, µmax) are predefined and, from a setup model (200), limit values (Emin, Emax) for an emulsion actuator (21,..., 23') and setup values for the emulsion actuator (21,..., 23'), for a cooling actuator (41,..., 42') and for a lubricating actuator (31,..., 32') are predefined. During the rolling pass (i), the actuators are set to the setup values. An actual strip temperature (T') is identified by a temperature measuring device (51, 52), and an actual coefficient of friction (µ') is identified from measured manipulated-variable actual values (M'). These are taken as a basis to identify improved setup values either only for the cooling actuator (41,..., 42') and / or the lubricating actuator (31,..., 32'), or, if a change in the applied coolant rate or lubricant rate behaves synergistically with respect to the emulsion rate, additionally also for the emulsion actuator (21,..., 23'). The improved setup values are transferred from the setup model (200) to the parameter set (Λi).

Method for protecting a branch of an electrical circuit in a motor vehicle. Method for protecting a circuit branch located between an electric battery and equipment, comprising a step (E2) of comparing the measured temperature at a given point on the branch to a maximum temperature threshold, and then, when the measured temperature is above the threshold, a command to open the branch and / or a command to deactivate the equipment; and a step (E3) of measuring the intensity of an electric current flowing through the branch of the electrical circuit, then calculating an estimated temperature at the given point, and comparing the estimated temperature to the maximum temperature threshold, and then, when the estimated temperature is above the maximum temperature threshold, a command to open the branch and / or a command to deactivate the equipment. Figure for the abstract: 2