64results about How to "Accurate value" patented technology

The invention discloses a preparation method of a ferronickel standard sample containing high-content harmful elements and the standard sample. The ferronickel standard sample contains the following chemical elements in percentage: 34.00-36.00% of Ni; fe: 64.00% to 66.00%; the content of As is 0.009%-0.011%; 0.009% to 0.011% of Sb; sn: 0.005% to 0.007%; pb: 0.005% to 0.007%; 0.002% to 0.004% of Bi; c: 0.10% to 0.20%; 0.50% to 0.60% of Si; 0.10% to 0.20% of Mn; 0.010% to 0.020% of P; s: 0.006% to 0.007%; 0.30% to 0.40% of Cr; cu: 0.04% to 0.05%; 0.60% to 0.70% of Co; 0 to 0.0020 percent of N; the balance is unavoidable impurities; the preparation method comprises the steps of standard sample smelting, standard sample preparation, segregation detection, standard sample turning and packaging, sampling detection, uniformity detection, constant value analysis and mathematical statistics. And meanwhile, the types and contents of the added harmful elements can meet the requirements of design and uniformity, and the use requirements of customers and markets are met.

The invention relates to an aging correction method for a nitrogen-oxygen sensor, which comprises the following steps of: measuring and calculating an aging correction coefficient, archiving the aging correction coefficient into an aging correction module, and extracting data in real time by using the aging correction module, so that the output value of the nitrogen-oxygen sensor is corrected, and after a probe is aged, the output value of the nitrogen-oxygen sensor is corrected. A relatively accurate numerical value can still be output, namely, aging of a probe is offset by using a correction part, an aging correction coefficient can be obtained by looking up a table in combination with accumulated working time, accumulated driving mileage and daily driving working conditions after the nitrogen-oxygen sensor is loaded and parameters such as NOx and O2 concentrations measured for a long time, and the value is multiplied by an output coefficient, so that the aging correction coefficient is obtained. And the output precision can be improved.

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle near obstacle control method based on a complex environment, and the method comprises the following steps: 1, obtaining a curve between obstacles through employing a binocular camera; 2, estimating the collision force of the obstacle according to the curve to obtain a {p, v} pair; 3, designing a gradient-based trajectory optimizer to extract information of an obstacle collided with the current trajectory; 4, numerical optimization is carried out; and 5, designing an MPC controller according to the obtained {p, v} pairs, and outputting an optimal control trajectory of the unmanned aerial vehicle near the obstacle based on the MPC controller. According to the invention, the obtained distance field information and height information are used to predict the performance of the unmanned aerial vehicle in a certain time period in the future so as to carry out optimization control, and the distance field, the height and the acceleration are constrained. And safe flight, very small overshoot, very small steady-state error and trajectory prediction of the unmanned aerial vehicle in near obstacle control are ensured.

The invention discloses an anti-cheating metering electronic scale, and relates to the technical field of weight metering, the anti-cheating metering electronic scale comprises a weighing platform assembly, the weighing platform assembly comprises a chassis, and the bottom of the chassis is provided with a mounting groove. According to the anti-cheating metering electronic scale, the receiving module can capture various wireless signals around, when a cheating remote controller attempts to change a weighing result around the metering electronic scale, the emitted signals are captured, the sampling module samples the signals, and the signals are transmitted to the receiving module. The matching module compares sampled signal information with pre-stored suspicion signal information, if the sampled signal information is matched with the pre-stored suspicion signal information, it is indicated that a remote control signal for cheating is possibly received, and the processing module shields the signal, so that the cheating signal can be prevented from interfering normal weighing data of the electronic scale, and the safety of the electronic scale is improved. The electronic scale ensures that the numerical value displayed by the electronic scale is real and accurate, and the alarm module sends out alarm information to remind a user of the interference of suspected cheating signals.

The invention discloses a cardiac magnetic resonance report generation method and system based on a multi-dimensional tissue feature knowledge graph. The method comprises the following steps: performing motion correction and multi-view feature extraction on a cardiac magnetic resonance multi-sequence image to obtain an original numerical attribute of an instance node; constructing a dynamic knowledge graph containing tissue characteristics and medical priori, and generating a target reasoning chain with a clinical basis in combination with neural symbol reasoning; then, in a controlled generation stage, an inference chain is injected into a prefix tree, in a decoding step, mask physical shielding logic conflict description is utilized, and a pointer network is synchronously started to directly copy original numerical value attributes into a text sequence; and finally, executing consistency logic verification through a text restoration technology, and identifying and intercepting factual errors. Through the atlas constraint and numerical unvarnished transmission mechanism, the factual illusion problem of a generative model is effectively solved, and the accuracy and reliability of a heart diagnosis report are remarkably improved.

The invention is applicable to the field of rigid catenary part tests, and provides a damping test identification method for a rigid catenary suspension device, which comprises the following steps of: installing a non-contact laser signal sensor for measuring a vibration displacement time travel curve of the rigid catenary suspension device, and applying a vertically downward load to the rigid catenary suspension device, extracting and analyzing a vibration displacement time travel curve of the suspension device to identify the rigidity of the rigid contact network suspension device; an impact force hammer is adopted to input impact excitation to the rigid contact network suspension device, suspension device vibration displacement time history data recorded by a laser displacement sensor are extracted and analyzed, and a free vibration attenuation method is utilized to calculate damping and mass of the rigid contact network suspension device. According to the rigid contact network suspension device damping test identification method provided by the invention, the damping and the mass of the rigid contact network suspension device are determined through a method of combining test and free vibration attenuation, and effective support can be provided for research on structural characteristics of a rigid contact network.

The invention discloses a distance correction coefficient-based non-point source pollutant river-entering coefficient solving method and system, and the key points of the technical scheme are that the method comprises the steps: determining a non-point source pollutant river-entering distance correction coefficient based on the length of a branch flow and a main flow which are converged into a grid point where a pollution source is located, and calculating the river-entering coefficient of the non-point source pollutant in combination with a terrain correction coefficient; the method specifically comprises the following steps of S1, S2, S3 and S4. According to the distance correction coefficient-based non-point source pollutant river entry coefficient solving method provided by the invention, the river entry coefficient is calculated and valued according to the length from the position of the grid point to the downstream of the main stream, so that the method has certain superiority in space; the slope difference of the terrain, pollutant degradation of the spatial distance and other aspects are combined for quantitative consideration, and the value of the in-river coefficient is more accurate.

The invention discloses a detection circuit and a detection method thereof, electronic equipment and a storage medium. The detection circuit comprises a main control circuit, an electrolytic voltage generation circuit, an electrolytic current control circuit, an electrolytic current acquisition circuit and an electrode potential acquisition circuit, the electrolytic voltage generating circuit applies a set voltage to the electrolytic anode; the electrolytic current control circuit controls the electrolytic current; the electrolytic current acquisition circuit acquires electrolytic current; the electrode potential acquisition circuit acquires potential signals of the indication electrode and the reference electrode; the main control circuit senses whether the working state of the whole electrolysis system is normal or not by comparing the set voltage of the electrolysis current with the collected voltage of the current; and the master control circuit obtains the change caused by dripping of the solution to be detected and the completion progress of the electrolytic reaction through an electrode potential signal sent by the electrode potential acquisition circuit. According to the invention, software operation can be simplified, and the real-time performance of data acquisition is improved.

The invention discloses a microwave anechoic chamber polymorphic integration test hand wheel regulation and control lifting platform, and relates to the technical field of microwave anechoic chamber test lifting trucks, the microwave anechoic chamber polymorphic integration test hand wheel regulation and control lifting platform comprises a movable base, a lifting moving mechanism and a hand cranking mechanism, the hand cranking mechanism comprises a linkage shaft, a self-locking transmission mechanism rocking handle, a stroke measuring mechanism and an adjustable fixed-point shutdown mechanism, the linkage shaft is connected with the lifting moving mechanism in a matched mode through a self-locking transmission mechanism, and the self-locking transmission mechanism locks the lifting moving mechanism when the rocking handle is static. When the height is adjusted through rotation of the rocking handle, the rocking handle drives the linkage shaft to rotate, the linkage shaft enables the worm to rotate through transmission cooperation of the first steering bevel gear and the second steering bevel gear, the worm drives the worm gear and the winding column to rotate, winding of the lifting rope is achieved, and when the rocking handle is loosened or accidentally slips out of the hand, due to the self-locking effect of the worm gear and the worm, the lifting rope is wound. At the moment, even if the lifting rope is subjected to the gravity effect of the main sliding base, the winding column cannot rotate reversely, and manual operation locking is not needed.

The utility model belongs to the technical field of measuring equipment, and particularly relates to a pin hole surface roughness measuring device which comprises a magnetic base, a connecting base is installed on the magnetic base, a first sliding rod is connected to the connecting base in a sliding mode, and a plurality of first round holes are formed in the first sliding rod. A locking knob used for penetrating through one of the first round holes is in threaded connection with the connecting base, a positioning mechanism coaxial with the pin hole is installed on the first sliding rod, a measuring frame is connected to the positioning mechanism in a sliding and rotating mode, and a surface roughness measuring instrument is clamped on the measuring frame. The positioning mechanism is provided with the driving mechanism used for driving the measuring frame to move forward spirally, so that a worker does not need to hold the surface roughness measuring instrument by hand after installation is completed, the measured value can be more accurate, the labor intensity of the worker can be reduced, and the working efficiency is improved. The spiral advancing surface roughness measuring instrument can also enlarge the detection range of the surface roughness, improves the working efficiency, and is suitable for long-time measurement.

The invention provides a lightweight laser power energy tester and a test method thereof. The tester comprises a power energy probe, a data acquisition host and a control processing system. The power energy probe comprises a laser energy measurement assembly. The laser energy measurement assembly comprises an energy absorption cavity, a back scattering measurement module, a water cooling module and a temperature difference measurement module. The data acquisition host comprises a water flow and water temperature difference measuring assembly; and the control processing system calculates the measurement result to obtain the measured laser energy. The test method comprises the following steps: recording water inlet and outlet temperature, backscattering monitoring temperature and photoelectric detector output voltage value; determining the minimum value, the maximum value and the temperature rise of the monitoring temperature, and the temperature rise and the laser energy of water; determining the sudden rising / falling time, the light emitting time and the average power of the output voltage of the photoelectric detector; and calculating a waveform area to obtain a power distribution curve. According to the method, the sub-second laser average power is given in the measurement process by adopting a power estimation algorithm.

The invention discloses tail gas incineration auxiliary purification equipment for raw coke oven gas treatment, and relates to the technical field of tail gas incineration, the tail gas incineration auxiliary purification equipment comprises a gas pipeline, the outer wall of the gas pipeline is fixedly connected with a pair of positioning plates, a pore plate body is connected between the pair of positioning plates in an abutting mode, and the bottoms of the positioning plates fixedly communicate with ventilation pipes. The self-maintenance effect can be achieved for the slightly-deformed pore plate body, the annular wing plates on the two sides are connected through the correcting plate arranged in the T shape, the stress area of the two sides of the correcting plate is increased, the gas impact force borne by the protruding position in the middle of the correcting plate is effectively reduced, the correcting plate can be kept in the good vertical state, the pore plate body is supported in an auxiliary mode, and the correcting effect is good. And the correction plate always slides on the outer wall of the pore plate body in a vertical state when rotating, and the slightly deformed sheet pore plate body can be subjected to auxiliary correction under the action of high-speed rotation, so that the service life of the sheet pore plate body is prolonged, and the influence on the measurement accuracy caused by appearance deformation of the pore plate body is avoided.

The utility model discloses a ship draft depth measuring device which comprises a horizontally arranged support, a group of transparent measuring cylinders are fixedly connected to the support, graduated scales are arranged on the peripheral walls of the measuring cylinders located above the support, the measuring cylinders comprise the first measuring cylinder and the second measuring cylinder, and the graduated scale readings of the first measuring cylinder are gradually increased from bottom to top. The graduated scale readings of the second measuring cylinder are gradually increased from top to bottom, a first annular ratchet is arranged in the first measuring cylinder, a second annular ratchet is arranged in the second measuring cylinder, a first floating body and a second floating body are arranged in the first measuring cylinder and the second measuring cylinder respectively, and the first annular ratchet is matched with the conical surface of the first floating body. And the second annular ratchet is matched with the conical surface of the second floating body. When the measuring device is used for measuring the draft depth, the measured draft depth can be accurate to centimeter while wave crest and wave trough interference is eliminated, the measuring difficulty is reduced, and the measuring accuracy is improved.

The invention relates to the technical field of current transformer shells, and discloses a current transformer shell protection mechanism for load shedding, comprising: a mounting seat, two ends of the mounting seat being provided with mounting grooves, the end portion of the mounting seat being arranged in an upward bending shape; the shell mechanism is mounted at the upper end of the mounting base, and the shell mechanism is located between the two mounting grooves; wherein the shell mechanism comprises a coil winding assembly arranged at the upper end of the mounting seat; the coil winding assembly can guide and position a wound coil, so that the wound coil can be uniformly wound along the cooperation of a horizontal placement groove and an inclined groove, and a side connecting bolt drives a corner protection frame to be attached to the surface of an external shell; therefore, the corner protection frame has an auxiliary positioning effect on the winding coil located in the horizontal placement groove, the situation that the winding coil is reset and loosened is reduced, and it is guaranteed that numerical values obtained in the measurement process are more accurate.

The invention relates to a rectification purification process of diethyl chlorophosphate, in particular to a rectification purification method of a diethyl chlorophosphate crude product. Comprising the following steps: (1) balancing a chromatographic column, (2) loading a sample, (3) eluting, (4) collecting, (5) washing impurities, (6) post-treating, combining the separated and prepared components, adding a 10% methanol-water mixed solution, uniformly shaking and standing for 10 minutes; then adding dichloromethane and ethanol extract liquor for rectification, oscillating by using an oscillator, then standing, retaining lower liquid, and then carrying out reduced pressure distillation to obtain purified diethyl chlorophosphate; impurities in the crude product are removed through reduced pressure distillation, rectification extraction, column chromatography and other methods, and the purity of the purified sample reaches 99.6% or above. Therefore, the preparation of the purity standard substance is facilitated.

The present invention belongs to the technical field of measuring the water content of crude oil, and specifically relates to a radio frequency water content measuring instrument and method under a cyclonic state. A radio frequency water content measuring instrument under a cyclonic state comprises a casing, one end of which is horizontally connected to the cyclone, and the other end is vertically connected to the conduit; a radio frequency signal processing module and a communication wire protective cover are arranged on the outside of the casing, and the communication wire protective cover supplies power to the radio frequency signal processing module and transmits signals through internal wires; a radio frequency antenna connected to the radio frequency signal processing module is arranged inside the casing; the radio frequency signal processing module comprises an embedded single chip microcomputer, a signal source generator, a signal amplifier, a data detection module and a data acquisition card. The present invention uses a cyclonic state to measure the water content, which is less affected by unstable oil-water distribution and has more accurate measurement results. The detachable component design of the present invention can clean wax and scale on the antenna surface in time, and it is convenient to replace components, which can extend the service life.

The invention provides a rank indication determination method and device, a terminal and a medium, and relates to the technical field of communication. The method comprises the following steps: acquiring an original rank indication value and an influence factor value of a terminal; when the influence factor value meets a preset adjustment condition, adjusting an original rank indication value of the terminal to obtain a target rank indication value; and sending the target rank indication value to a base station in the area where the terminal is located, so that the base station feeds back the terminal configuration information to the terminal based on the target rank indication value. According to the mode, the rank indication precision is improved.

The invention discloses a system for rapidly adjusting the conductivity of raw water and a control method thereof. Conductivity sensors are arranged at the water tank, the electrolytic bath waterway outlet, the electrolytic bath waterway inlet and the circulating pump outlet in the electrolytic water waterway circulating system; the conductivity sensors are respectively positioned at the bottom of the water tank and in front of a circulating water inlet of the water tank; a drainage switch valve is arranged at an outlet of the circulating pump; the deionizer returns to the water tank in a manner of being connected with main circulating water in parallel, and is controlled to be switched on and off through a switching valve; the water tank is provided with a liquid level sensor for monitoring whether water in the water tank is sufficient or not. According to the method, the rising speed of the conductivity in the loop is judged, the rising position and the conductivity value are combined for judgment, and different processing methods are adopted, so that the purpose of reducing the conductivity in the loop is achieved. The system shutdown frequency can be effectively reduced, stable operation of the water electrolysis system is guaranteed, and meanwhile waste of raw material water is reduced.

This utility model discloses a fully automatic multifunctional carbon material permeability testing system, including a vacuum air path, a low-flow air path, a high-flow air path, a four-way pipe, a vent valve, and a sample fixture. The vent valve is sealed and connected to the first port of the four-way pipe, the sample fixture is sealed and connected to the second port of the four-way pipe, the vacuum air path is sealed and connected to the third port of the four-way pipe, and both the low-flow and high-flow air paths are sealed and connected to the fourth port of the four-way pipe. The vacuum air path, low-flow air path, and high-flow air path are all electrically connected to a control center. This system performs vacuum decay method and constant pressure high / low flow method tests on carbon materials, enabling automatic testing of carbon materials with significantly different permeability on the same instrument, thereby improving the testing efficiency and quality control level of carbon material research and development and production.

The present invention discloses a torque loading test method suitable for complex switching working conditions, comprising a main drag motor, a loading motor, a coupling, an external overrunning clutch, a main speed increasing box, a torque meter, a gear box built-in friction clutch, a bevel gear box, a test piece casing, a casing built-in overrunning clutch, a starter end speed increasing box, and a starting motor: the main drag motor is connected to the main speed increasing box through a coupling and an external overrunning clutch, the loading motor is connected to the main speed increasing box through a coupling and a torque meter, the main speed increasing box is connected to the bevel gear box through a coupling and a torque meter, the bevel gear box is connected to the test piece casing through a coupling, the starter input interface of the test piece casing is connected to the starter end speed increasing box through a torque meter and a coupling, and the starter end speed increasing box is connected to the starting motor through a coupling. The present invention has the characteristics of high reliability, real-time adjustment, accurate numerical value, and can be improved and expanded according to experimental requirements.

The invention discloses a distributed photovoltaic access distribution line protection method and device, and the method comprises the steps: collecting distribution line parameters, and building a multi-target distribution line protection fixed value setting model with the shortest protection fixed value time and the optimal sensitivity as targets; taking the multi-target distribution line protection setting value setting model as an improved hawk algorithm fitness function, and solving the model by using the improved hawk algorithm to obtain an optimal protection setting value; and the optimal protection constant value is embedded into the switch equipment, and distribution line relay protection is carried out. According to the method, the protection constant value adaptive to the current system can be automatically generated without knowing the fault voltage and current change characteristics of the system, and the method can be well suitable for the distributed photovoltaic access power distribution network. The reliability of the system is improved by improving the hawk algorithm, and the method has practical engineering significance. And a distribution line protection fixed value setting algorithm is embedded into the equipment, so that the integration level of the distribution equipment and the sensing capability of the distribution line are improved, and the operation reliability of the distribution network equipment is improved.

The invention discloses a system and method for compressed air energy storage based on an idle hydraulic tunnel, and relates to the technical field of air energy storage, the system comprises an air storage subsystem, the air storage subsystem comprises a tunnel body and a standby bin connected with the tunnel body through a safety valve; the air compression subsystem is connected with the air storage subsystem; the power generation subsystem is connected with the other side of the gas storage subsystem and comprises a second heat exchanger, a second storage bin connected with the output end of the second heat exchanger, an air expansion machine connected with the second heat exchanger and a power generator connected with the air expansion machine; and a power grid subsystem. Due to the use of the standby bin, redundant pressure in the hole body can be released in time, the pressure in the hole body can be monitored in real time, waste caused by excessive pressure release is prevented, more accurate numerical values can be guaranteed through systematic calculation, and judgment through manual experience in the past is not needed.

The invention relates to the technical field of laser measuring instruments, in particular to a stable laser displacement measuring instrument. The defect that the numerical value of a laser displacement measuring instrument is affected during wind and rain weather monitoring is overcome. Comprising a mounting plate, the mounting plate is fixedly connected with a mounting frame through a mounting column, the mounting frame is provided with a laser transmitter, the mounting frame is fixedly connected with a first fixing frame, the first fixing frame is fixedly connected with a first baffle, the laser transmitter is fixedly connected with a second fixing frame, and the second fixing frame is fixedly connected with a second baffle. The first fixing frame and the second fixing frame slide together and are rotationally connected with a second baffle. In windy and rainy days, the weight of rainwater is utilized to drive the second baffle to stretch out, the second baffle is matched with the first baffle to strengthen shielding of the rainwater, meanwhile, wind power is utilized to drive the second shielding plate to rotate, the second shielding plate faces the windward side to shield wind, and therefore it is guaranteed that the numerical value monitored by the laser transmitter is in an accurate state.

A force standard machine with a sensor centering device is characterized in that the sensor centering device is arranged above a working table of the force standard machine, and the sensor centering device comprises an execution mechanism and a control mechanism; the actuating mechanism is used for pushing a tested sensor on the working table to move, and comprises four electric push rods which are all mounted on the working table through screws, are respectively positioned on the outer circumference of the tested sensor and are arranged at equal intervals, and the movement direction of each electric push rod points to the center of the working table; the control mechanism is used for measuring the offset of the sensors and comprises four laser distance measuring sensors and a controller connected with all parts of the control mechanism. The controller is further electrically connected with all parts of the executing mechanism. The automatic centering device is simple in structure and rapid in installation, can realize automatic centering of the sensor on the force standard machine, reduces manual centering errors, and improves centering accuracy, thereby ensuring accurate measurement value of the measured sensor.

The invention discloses a method for evaluating the installation position of an explosion suppression device by using flame velocity and acceleration, and relates to the technical field of prediction. The method comprises the following steps: listing a change formula of a combustion gas volume along with time by utilizing a volume equilibrium calculation method; calculating laminar flow combustion speeds of gases with different concentrations, different components and different proportions by using a numerical analysis method; and then calculating the gas concentration in front of the flame at different moments according to the relationship between the flame position and the concentration, and calculating the laminar combustion speed at different moments through the above steps. Solving the flame acceleration; and finally, finding out the moment of the maximum relative distance between the flame velocity and the acceleration by utilizing the relationship between the flame velocity and the acceleration, substituting the moment into the velocity equation to obtain the position information of the flame at the moment, and taking the position as the optimal position for placing the explosion suppression device. According to the invention, the explosion sudden change time and the transition position from deflagration to detonation can be reflected, and theoretical guidance is provided for the placement positions of the explosion suppression sensor and the explosion suppression device in the prediction of the flame acceleration and the shock wave velocity direction.

The invention discloses a mechanically-clamped hob tooth thickness rapid measuring device and method, the mechanically-clamped hob tooth thickness rapid measuring device comprises a first supporting member, a connecting member, a first measuring member, a second measuring member and a second supporting member, the first connecting member comprises a fixed part and a rotating part, the fixed part is used for supporting, and the rotating part can rotate around the fixed part; one end of the connecting piece is detachably connected with the rotating part, and the connecting piece can be driven to rotate synchronously when the rotating part rotates; the first measuring piece is detachably connected to the other end of the connecting piece, the first measuring piece comprises a measuring unit and a display unit, and the second measuring piece is used for independently measuring the hob teeth and used for being matched with the first measuring piece to determine the thickness of the hob teeth; the second supporting piece is used for supporting and fixing the hobbing cutter to measure the thickness of the cutter teeth when being used; the device can realize rapid tooth thickness measurement on a hob processing site and a hob using site, is simple in structure, high in measurement precision and low in cost, can be used in single-piece and batch production, and improves the detection and processing efficiency.

The invention relates to the technical field of food analysis, and provides a food nutrition assessment method based on adaptive fusion and feature enhancement, comprising: performing multi-scale feature extraction on a target image of a to-be-assessed target object to obtain multi-scale features of the target image, the target image including an RGB image and a depth image; according to a target scale feature in the multi-scale features and a scale feature whose scale is greater than that of the target scale feature, determining a detail enhancement feature corresponding to the target scale feature, the target scale feature being a feature of any scale in the multi-scale features; carrying out feature fusion on the detail enhancement features of different target images to obtain multi-scale fusion features; according to the fusion feature of the target scale and the fusion feature of the small scale, determining a semantic enhancement feature corresponding to the fusion feature of the target scale; and determining numerical values of the mapped nutrients according to the semantic enhancement features. The problem that the accuracy of a food nutrition evaluation method based on an image in the prior art is low is solved.

The invention belongs to the related technical field of numerical control machining and artificial intelligence, and discloses a strategy-free milling tool path generation method and system, and the method comprises the steps: obtaining a grid model of a to-be-machined part, determining a to-be-machined region, converting a tool path generation problem into a grid center point access sequence problem, and obtaining a grid center point access sequence; converting the task into a reinforcement learning task; an MDP model of the reinforcement learning task is established, an intelligent agent in the MDP model is a state of a cutter and an environment is a grid center point, a state space and a corresponding action space of the cutter are defined, and an instant reward function of cutter action is set; the MDP model is solved, and the tool path of the part to be machined is generated. According to the method, the reinforcement learning method and the tool path generation are effectively combined, the tool path generation problem is converted into the solution reinforcement learning task, a tool path generation strategy does not need to be given, and the tool path can be automatically generated, so that the manual dependence is reduced, and the machining efficiency is improved.

The utility model relates to the technical field of looms, in particular to a loom with an early warning device, which comprises a base and a connecting plate, the surface of the base is fixedly connected with the connecting plate, the surface of the connecting plate is provided with a rotary positioning device, the surface of the connecting plate is fixedly connected with a cross rod, and the surface of the cross rod is fixedly connected with a collecting box. According to the loom with the early warning device, through cooperation of the cleaning device and the rotary positioning device, the brush can move in the multiple sets of pointed rods while rotating, thread ends and the like on the surface of the brush can be carded off by the multiple sets of pointed rods, and the early warning device is arranged on the surface of the brush. The air pump collects wire ends and the like to the surfaces of the filter screens, the scraping plate can push out the multiple sets of filter screens, meanwhile, the inner surface of the filter box can be cleaned, cleaning can be conducted while three sets of brushes can be replaced, and the cleaning effect of the device on the wire ends and the like is better.