36results about How to "Achieve self-correction" patented technology

The invention discloses a vertical shearing surface annular shearing testing instrument capable of exerting confining pressure. The testing instrument comprises a frame, a frame support shearing box,a hydraulic servo loading system, a monitoring sensing system and a shearing power system, wherein the shearing box comprises an inner shearing box and an outer shearing box; the inner shearing box issteady without movement; the outer shearing box is capable of rotating annularly; the shearing power system is connected with the outer shearing box and is capable of driving the outer shearing box to rotate annularly; the hydraulic servo loading system comprises a normal pressurizing device and an annular force conduction plate; the normal pressurizing device is vertically inserted in the middleof the inner shearing box and is used for providing normal stress; the annular force conduction plate is mounted above the shearing box and is used for conducting vertical confining pressure; the monitoring sensing system is used for sensing shearing data of a soil sample in real time and used for transmitting the shearing data to a control device; the control device is used for qualitatively controlling the normal stress of the normal pressurizing device and the vertical confining pressure of the annular force conduction plate. The testing instrument has great significances in studying shearing resistance properties of long-runout landslide slip soil and revealing evolutionary process and mechanisms of landslide.

The invention relates to a blood glucose prediction model self-correction method based on near-infrared light, and belongs to the technical field of biomedical signal acquisition and processing. According to the method, the difference degree of two adjacent blood glucose predicted values detected based on a human body near infrared spectrum at a corresponding moment is used as a judgment basis; and according to the corresponding relation between the difference degree and an allowable value, on the basis of the human body blood glucose short-term fluctuation regularity, the living habits and the health states ofindividuals, a blood glucose detection abnormal point is automatically identified, a blood glucose noninvasive detection system automatically reminds a user to input the diet condition and the medication condition of the current day; the current physiological and pathological state of a testee is known by means of questioning, the system automatically evaluates and judges the generation reason of a blood glucose abnormal value, eliminates accidental factors; different blood glucose prediction model self-correction processes are enabled according to different reasons generated by the difference degree, so that it can be ensured that a blood glucose prediction model is always consistent with the current physiological and pathological state of the testee. According to the method of the invention, the precision stability of the noninvasive blood glucose detection system during long-time application can be maintained.

The invention discloses a monitoring system of an industrial robot. The monitoring system comprises a heating module, an inductor, a communication module, a central control computer, a terminal and analarm module. The heating module comprises heat conduction nets evenly arranged on the inner wall of power transmission and transformation equipment, air heating pipes and a power source used for providing power, and the power source is connected with the heat conduction nets and the air heating pipes. The monitoring system has the advantages that by means of the technical scheme, self heating can be achieved under the condition of low temperature, and therefore normal operation of the equipment is guaranteed, the heating module is controlled by the central control computer, and automation isachieved.

The invention provides a GIS distribution device monitoring method based on the Internet of things. The GIS distribution device monitoring method based on the Internet of things comprises steps that, work index parameters of GIS distribution devices are acquired; whether a disturbance signal is contained in the work index parameters is determined; when the disturbance signal is not contained in the work index parameters, the work index parameters are transmitted to a central control computer; whether the GIS distribution devices corresponding to the received work index parameters are in fault is detected, when the GIS distribution devices corresponding to the received work index parameters are in fault, the work states of the GIS distribution devices are adjusted according to a preset model; work index parameters before and after adjustment are displayed in a graph mode. Through the GIS distribution device monitoring method, a problem of error alarming during monitoring caused as the disturbance signal is contained in shake-up signals in a traditional monitoring mode is solved, the monitoring accuracy rate is improved, moreover, each GIS distribution device can be timely and accurately monitored, according to the work state of each GIS distribution device, faults can be timely discovered and processed.

The invention discloses a virtual-reality combined virtual experiment construction method based on VISA. The method comprises the following steps of S10, acquisition and processing of VISA data; S20,contrast of virtual data and actual data; S30, establishment of a data model; S40, virtual-reality combined troubleshooting way; S50, confidence interval judgment; S60, troubleshooting type and trouble displaying. The traditional experimental result-driven experimental teaching organization mode is changed through virtual experiment interaction operation information collection and the correlationwith the experimental operation and summary and like processed based on the data, the experiment is converted into a staged target set, and an information contrast model is established for the measurement data and the preview data, thereby realizing the self-correction of the experiment process.

The invention provides a control system and method for flue dynamic air distribution cooperating with SNCR denitration. The control system is composed of a sensing unit, an executing unit and a feedback adjusting unit, wherein the sensing unit comprises a temperature, NO concentration, CO concentration and NH3 concentration detection module, the execution unit comprises a secondary air execution layer, an over fire air execution layer and an SNCR execution layer, and the feedback adjustment unit comprises an instruction layer and a data layer. The control method comprises: detecting the parameters by the sensing unit; analyzing the data and generating a control instruction through the feedback adjustment unit, and storing detection parameters and the control instruction; and dynamically regulating and controlling the air distribution state and the reducing agent injection state through the execution unit. The control system and the control method have a feedback regulation function to realize dynamic regulation and control of combustion and denitration and self-correction of the system, and can be widely applied to the technical field of low-nitrogen combustion and SNCR denitration.

The method and device for measuring the phase delay of the birefringent optical device and the fast axis direction of the present invention can better solve the problem of poor measurement accuracy in the measurement process. The method is: a pair of orthogonal dual-frequency lasers emitted by the laser are split into Reflected light and transmitted light; one of the two paths of reflected light and transmitted light passes through the measurement point of the sample to be measured after changing the polarization angle, and then turns back and passes through the measurement point of the sample to be measured, so that the two frequencies in the beam The phase of the polarization component is delayed differently, causing a phase change; then the two paths of light are converted into a reference beat signal and a measurement beat signal with different phase differences after being synthesized by a polarizer; at least two phases are obtained difference, the phase delay of the measurement point and the direction of the fast axis can be calculated; the method and device of the invention make the measurement of the two parameters simple and eliminate the principle error and system error.

The invention relates to a secondary element (10) having a longitudinal axis (L) and two opposite ends (12, 14), said secondary element comprising a filter medium arranged around said longitudinal axis (L) (16) wherein one of said ends (14) is open and the opposite end (12) is hermetically closed by a closed end plate (20), and said end plate (20) There is a connecting piece (22) arranged to cooperate with a connecting piece (156) of the support pipe (150) of the filter system (100) when assembled as intended, so as to connect the secondary element (10) fixed on the support tube (150). Furthermore, the invention relates to a filter system ( 100 ) having such a replaceable secondary element ( 10 ).

The invention provides a ratio-type fluorescent molecularly imprinted paper chip and its preparation method and application, belonging to the field of material science and engineering and microfluidic chip technology, comprising the following steps: sequentially modifying CDs and APTES-NBD conjugate fluorescent materials On the surface of cellulose paper, difenoconazole imprinted holes were formed on the surface of cellulose paper by surface imprinting technology to prepare fluorescent molecularly imprinted paper, which was immobilized on the microfluidic substrate with three-dimensional structure to obtain Ratio-type fluorescent molecularly imprinted paper chip; the invention realizes the rapid detection of the pesticide difenoconazole, and develops a microfluidic rapid detection paper chip with the characteristics of low toxicity, portability, high efficiency, and economy.

The invention discloses a rotor pressing wheel adjusting mechanism applied to rotor spinning. The rotor pressing wheel adjusting mechanism comprises a pressing wheel mounting plate, an adjusting pieceand an adjusting bolt assembly, wherein a first adjusting hole is formed in the pressing wheel mounting plate; a second adjusting hole corresponding to the first adjusting hole is formed in the adjusting piece; the adjusting bolt assembly comprises an adjusting bolt, an upper gasket and a lower gasket; a spherical groove and a spherical bulge are correspondingly formed in the upper surface and the lower surface of the adjusting piece correspondingly; and the lower surface of the upper gasket and the upper surface of the lower gasket are spherical surfaces and are matched with the spherical groove and the spherical bulge correspondingly. When an adjusting part of the adjusting piece deviates from an original horizontal position due to deformation, the adjusting piece can be automatically corrected in the transverse direction, and torsion generated by the adjusting piece to a whole bracket and the adjusting bolt is eliminated or reduced, so that the service life of the mechanism is prolonged and normal operation of the mechanism is guaranteed.

The invention discloses a polyester fiber membrane-based ratio type fluorescent paper chip as well as a preparation method and an application thereof, and belongs to the technical field of material science engineering and micro-fluidic chips. CdTe QDs and RhB are sequentially grafted to the surface of a polyester fiber membrane, and then 2, 4-D print holes are formed in the surface of the polyester fiber membrane by adopting a surface molecular imprinting technique to prepare fluorescent molecularly imprinted paper; and the fluorescent molecularly imprinted paper is mounted on a carrier to prepare the ratio type fluorescent paper chip. The method uses two kinds of fluorescence, and compared with a single fluorescent paper chip, inherent self-correction can be achieved, so that the detection result is more clear and accurate; the method has the advantages of simple pretreatment, detection can be carried out by performing simple cleaning, crushing and filtering on fruits and vegetables,the fluorescent paper chip can be used for 2, 4-D rapid auxiliary detection of complex fruit and vegetable samples, and no more limitation is on the types of the tested samples; the detection time isshort, the operation is simple and convenient, and the carrying is convenient; and the polyester fiber paper is used as a substrate, so that the cost is reduced, and the method is environmentally friendly.

The invention discloses a towing engine proportional control device with closed loop feedback. The device comprises an electronic control handle and a PLC control cabinet. The signal output end of the electronic control handle is connected with the signal input end of the PLC control cabinet. The towing engine proportional control device further comprises a switch valve, a proportional valve, a servo pump, a hydraulic motor and an angle sensor. The switching signal output end of the PLC control cabinet is electrically connected with the switching signal control end of the switch valve. The proportional signal output end of the PLC control cabinet is electrically connected with the proportional signal control end of the proportional valve. The servo pump is connected with an oil inlet pipeline of a handle of the hydraulic motor through the switch valve and the proportional valve in sequence. The angle sensor is arranged on the handle. The signal output end of the angle sensor is electrically connected with the feedback signal input end of the PLC control cabinet. The device is high in control precision, good in following capability and capable of rapidly shutting down a towing engine, and the handle of the hydraulic motor is prevented from shocking in the middle position.

The invention belongs to the technical field of information monitoring, and particularly relates to a monitoring method for physical sign signals. The method comprises the steps of obtaining physical sign signals of a wearer; judging whether the physical sign signals include distributing signals or not; when the physical sign signals do not include disturbing signals, transmitting the physical sign signals to a central control computer; detecting the received physical sign signals, and when the physical state of the wearer corresponding to the physical sign signals is abnormal, informing a monitored person in a warning mode. In this way, the phenomenon that misinformation of the monitoring state appears frequently due to the fact that the triggering signals include disturbing signals in a traditional monitoring mode is avoided, the monitoring accuracy is improved, and meanwhile the physical state of the wearer is easily known according to monitored physical sign parameters; when the physical state of the wearer is abnormal, corresponding alarm signals can be sent in time according to the physical state of the wearer, the monitoring cost of the wearer is lowered, and the precise monitoring purpose is achieved.

The invention discloses a ratio-type fluorescent paper chip based on a polyester fiber membrane, a preparation method and an application thereof, and belongs to the technical field of material science engineering and microfluidic chips, and grafts CdTe QDs and RhB onto the surface of a polyester fiber membrane in sequence , and then adopt surface molecular imprinting technology to form 2,4-D imprinted holes on the surface of the polyester fiber membrane to obtain fluorescent molecularly imprinted paper; the fluorescent molecularly imprinted paper is installed on the carrier to obtain a ratio-type fluorescent paper chip; the present invention uses Compared with a single fluorescent paper chip, the two kinds of fluorescence can realize internal self-correction, making the detection results clearer and more accurate; it has the advantage of simple pre-treatment, and the fruits and vegetables can be tested after simple cleaning, crushing and filtering, and can be used The rapid auxiliary detection of 2,4‑D in complex fruit and vegetable samples has no restrictions on the types of samples to be tested; the detection time is short, easy to operate, and easy to carry; polyester fiber paper as the base not only reduces costs, but also Friendly to the environment.

The invention discloses a target tracking method based on target and camera motion modeling. The target tracking method comprises the following steps: S1, predicting the real speed of a target at thecurrent moment through a filter algorithm; S2, predicting the speed of the camera at the current moment; S3, synthesizing the real speed of the target predicted in the step S1 and the speed of the camera predicted in the step S2 to obtain a predicted value of the resultant velocity of the target in the pixel plane at the current moment, and selecting a target search area according to the predictedvalue of the resultant velocity of the target in the pixel plane; and S4, carrying out a target tracking algorithm in the target search area selected in the step S3, and obtaining the position of thetarget in the pixel plane at the current moment. According to the target tracking method based on target and camera motion modeling provided by the invention, the accuracy and robustness of target tracking are effectively improved.

The invention discloses a method for obtaining a change condition of aggregate-mortar bonding strength in concrete. The method comprises the following steps of step (1), carrying out splitting tensilestrength test on a concrete test piece; step (2), acquiring an image of one splitting surface; step (3), counting a splitting aggregate and a desizing aggregate in the splitting surface image, and calculating the area of the splitting aggregate and the desizing aggregate; step (4), calculating the proportion of the area of the splitting aggregate and the areas of all aggregates; and step (5), fitting a relation between the proportion of the splitting aggregate and the splitting tensile strength, and therefore obtaining the change condition of the aggregate-mortar interface strength. The method for obtaining the change condition of the aggregate-mortar bonding strength in the concrete provided by the invention is reasonable in design and convenient to operate, provides a reference basis for obtaining the change condition of the concrete aggregate-mortar interface strength by using a low-cost technical means, and the reference basis is combined with the utilization of the statistics andcan be completely self-corrected, so as to finally form a guide standard in the industry. Therefore, the method provided by the invention well achieves the balance between technology and cost, and isvery suitable for large-scale popularization and application.