320results about How to "Running does not affect" patented technology

The invention discloses a field failure on-line diagnostic method and system for a permanent magnet synchronous motor. The field failure on-line diagnostic method comprises the steps of (1) sampling a stator three-phase current signal of the motor to be detected, (2) determining a field failure characteristic frequency according to the number of poles of the permanent magnet synchronous motor to be detected, using the field failure characteristic frequency as a field failure characteristic quantity, (3) estimating the frequencies of frequency components in the stator three-phase current signal to be detected, judging whether a field failure happens or not according to whether the field failure characteristic quantity appears or not, and (4) after estimating the amplitudes of the frequency components in the stator three-phase current signal to be detected, calculating the ratios of the amplitudes of the frequency components to the amplitudes of same-frequency components within a same-current range of a motor in the normal state so as to judge the degree of severity of a field failure. The field failure on-line diagnostic system comprises the permanent magnet synchronous motor, a Hall current sensor, a signal conditioning circuit, a data acquisition circuit, a diagnosis control circuit and a display circuit. The field failure on-line diagnostic system is short in sampling time and high in anti-jamming capability, can judge field failures at different rotating speeds and under different load conditions, and is applicable to dynamic on-line monitoring.

The invention relates to a gas turbine generating coke oven gas comprehensive purification system and a purification method thereof. The gas turbine generating coke oven gas comprehensive purification system is characterized in that coke oven gas in a gas pipe enters into a gas turbine by virtue of a desulphurization system, a compressor filtering system and a coal oven gas filtering system sequentially, wherein the desulphurization system is formed by connecting four dry desulphurizing towers on the gas pipe in parallel, and the compressor filtering system is formed by connecting four compressor filters on a first gas pipe from the desulphurization system in series; and the purification method utilizing the coke oven gas comprehensive purification system comprises the following steps of: a, desulphurizing coal oven gas; b, filtering and compressing the coal oven gas obtained by the step a; c, carrying out isobaric warming on the coal oven gas obtained by the step b; d, carrying out primary filtering on the coal oven gas obtained by the step c; and e, carrying out fine filtering on the coal oven gas obtained by the step d, so that the coal oven gas meeting the requirement of a gas turbine is obtained. According to the gas turbine generating coke oven gas comprehensive purification system provided by the invention, on the basis of crude benzene purification treatment, four dry desulphurization towers are additionally arranged, a desulphurization effect is good, the compressor filtering system and the coal oven gas filtering system are optimized, and quality of the coal oven gas is improved.

The embodiment of the invention discloses a hotspot function determining method and relevant equipment. The method includes the steps that a terminal acquires a program database file PDB file in a target program; the terminal analyzes the PDB file in the target program, all functions in the target program and a function information set corresponding to all the functions are acquired, and the function information set comprises identifiers of all the functions; the terminal stores the identifiers of the functions in preset storage regions; when the terminal executes the target program, every time any first function is executed, the storage region corresponding to the identifier of any first function is skipped to, and 1 is added to the execution frequency of any first function; the terminal determines a hotspot function in the target program according to recording information of the execution frequency of the functions in the storage regions.

The invention discloses a multi-elevator parallel operation coordination control method and system based on machine vision. The multi-elevator parallel operation coordination control method includes the following steps of converting images acquired by cameras inside and outside elevators to grey-scale images and performing binarization processing; performing HOG feature extraction to obtain human body characteristic samples, constructing a type-2 fuzzy neural classifier, performing Binary judgment by means of the trained type-2 fuzzy neural classifier, counting and adding the human body characteristic samples judged by the classifier to obtain the number of people inside and outside the elevators; and scheduling the elevators by means of a coordination control algorithm through the statistics of the number of people inside and outside the elevators, and the comprehensive considering of the number of people waiting for the elevators of each floor, the residual capacity in each elevator, and distance from elevator waiting positions. The multi-elevator parallel operation coordination control method and system effectively reduce the unnecessary elevating of the elevators, reduce the wearing of the elevators, prolong the service life of the elevators, reduce the waiting time for elevator passengers, and make people's life convenient on the basis of energy saving.

The invention discloses a treatment method of low-temperature evaporation high-concentration sewage. The method comprises the following steps: feeding the preheated hot air to a hot air inlet end of a low-temperature plate evaporator; feeding the preheated sewage to a sewage inlet end of the low-temperature plate evaporator, wherein the low-temperature plate evaporator is mainly formed by a plurality of layers of evaporation plates in a stacking manner; the sewage entering inside a flow control component forms a continuous laminar liquid film from top to bottom through the flow control component; the hot air entering an air pre-heating component forms a continuous ascend airflow from bottom to top, so that the continuous ascend airflow and the continuous laminar liquid film are subjected to countercurrent contact; saturated steam is finally formed by the continuous ascend airflow through the multi-layer evaporation plate, so that the saturated steam is discharged through a hot air outlet at the top; the continuous laminar liquid film is separated out in a form of a crystal substance after being fully evaporated, the un-evaporated sewage is discharged from a sewage outlet at the bottom. Thus, the treatment method disclosed by the invention is small in investment, good in treatment effect, low in energy consumption, green and environmentally friendly.

The invention discloses an alarm clock control method and a mobile terminal, relates to the field of intelligent control, and aims at solving the problem of interference of alarm clock outbreak on a current application when a user operates the mobile terminal. The scheme comprises the steps that when prompting time set in the alarm clock module of the mobile terminal is up, an image of a faced image of the screen of the mobile terminal is acquired; whether the acquired image includes a front face image is recognized; and if the front face image is recognized from the acquired image, a floating window is displayed on partial area of the interface of the mobile terminal, and the floating window is used for reminding turn-off of prompting of the alarm clock module for prompting time or delaying prompting time.

The invention relates to a composite apparatus, in particular to a 110kV/220kV voltage level composite apparatus and an application thereof. The composite apparatus is an innovation on the basis of original HGIS, thus being called XHGIS for short. The invention is characterized by providing a novel composite apparatus without a bus isolating switch, and application thereof in power distribution units, and being capable of designing a novel power distribution unit which has convenient installation, extension and operation; the whole technical scheme has less occupation area, can fully utilize the space under the bus, and has the occupation area which is reduced by 30 to 40 percent compared with the typically designed outdoor AIS scheme; the invention has less investment compared with that of HGIS, and the comprehensive investment cost is not in the bad situation any more compared with the AIS scheme; and simultaneously, the invention is also characterized by no need of power off of thebus when a breaker is overhauled, no influence on bus operation and higher reliability, thus not only bringing the advantages of the SF6 composite apparatus into full play, but also overcoming the disadvantages thereof in overhauling and extension.

The invention discloses an asymmetric fault diagnosis method and system for a stator of a permanent magnet synchronous motor. The method includes the steps: performing FFT (fast Fourier transformation) on three-phase current and voltage signals of the stator to obtain fundamental waves of each phase of current and voltage; applying a symmetrical component analysis method for computation to obtain fundamental wave negative sequence current and voltage; then computing to obtain fundamental wave negative sequence impedance and fundamental wave negative sequence current phase angle difference, and acquiring maximum phase angle deviation of the fundamental wave negative sequence current; taking the maximum phase angle deviation of the fundamental wave negative sequence current, magnitude of the fundamental wave negative sequence current and the fundamental wave negative sequence impedance as three input variables of fuzzy logic, and utilizing a weighted fuzzy logic algorithm to judge whether an asymmetric fault exists or not and fault degree. The system comprises the permanent magnet synchronous motor, a Hall current and voltage sensor, a signal conditioning circuit, a data acquisition instrument, a fault diagnosis center and a vehicle-mounted display circuit. The method and system is high in reliability, wide in application range and capable of being used for asymmetric fault diagnosis of the stator for different reasons.

The invention discloses a state switching method and electronic equipment. The switching method is applied to first electronic equipment which is engaged in data connection with second electronic equipment. The first electronic equipment has a first state and a second state; when the first electronic equipment is in the first state, the electronic equipment can execute a first amount of instructions; and when the first electronic equipment is in the second state, the first electronic equipment can execute a second amount of instructions, wherein the second amount is less than the first amount. The state switching method includes the steps that: the data connection state of the first electronic equipment with the second electronic equipment is detected to obtain a first detection result when the first electronic equipment is in the first state; a first switching command is generated when the first detection result shows that the data connection between the first and second electronic equipment is cut out; and according to the first switching command, the first electronic equipment switches from the first state to the second state. With the state switching method, when the data connection of the electronic equipment with other electronic equipment is cut out, the electronic equipment can rapidly switch to the second state so as reduce power consumption of the system and/or to guarantee the security of the user information.

The invention discloses an oil removing and chromizing chemical agent compatibility and pollution reduction sprinkling system for slag reducing of the aluminum industry. An oil removing groove, a first non-flowing water washing groove set, a chromizing groove, a second non-flowing water washing groove set, a sprinkling groove and a drainage groove are included; an aluminum material sequentially passes through the oil removing groove, the first non-flowing water washing groove set, the chromizing groove, the second non-flowing water washing groove set, the sprinkling groove and the drainage groove; the oil removing groove and the second non-flowing water washing groove set are both communicated with the first non-flowing water washing groove set; oil removing liquid exists in the oil removing groove; chromizing liquid exists in the chromizing groove; the oil removing liquid and the chromizing liquid are mutually compatible; a first pump is further included; the sprinkling groove and thedrainage groove are both communicated with the second non-flowing water washing groove set through the first pump; and the first pump is used for pumping water in the sprinkling groove and the drainage groove into the second non-flowing water washing groove set. We pay attention to compatibility of selected components on the oil removing liquid for the first time. The oil removing and chromizingchemical agent compatibility and pollution reduction sprinkling system for slag reducing of the aluminum industry achieves waste water and waste slag zero emission during spraying and chromizing treatment and production water saving.

The invention discloses a test method for performing DC restarting on a server based on an ipmi service, and belongs to the technical field of server stability testing. The test method for performing the DC restarting on the server based on the ipmi service comprises the steps of copying a DC-reboot.bat test script to a server-side machine, modifying a BMC IP address and a lan port IP address of a to-be-tested client-side machine in DC-reboot.bat, and presetting a restarting frequency; and executing the DC-reboot.bat test script to check a power switch state of the client-side machine. According to the test method for the DC restarting, the test cost can be reduced, the test efficiency can be improved, the practicality is high, and the automation degree is high; and the method has very high popularization and application values.

The invention relates to a self-anchorage track laying type bridge inspection vehicle which comprises four groups of anchor hanging systems 1, a detecting running track 2, a detecting arm sliding system 3, a detecting arm lifting system 4, a detecting arm 5, a hydraulic power unit 6, an engine 7, a balance weight 8, a driving system, a detecting arm self-poise control system, a bridge bottom anchoring part 18, a movable detecting platform 19, a hydraulic pipeline, and a drive circuit, wherein the driving system comprises a turbine decelerator 10, a motor 11, a knotless steel cable 13, rope pressing devices 16, a steel cable guide wheel 12 and a steel cable tensioning device 14; and the detecting arm self-poise control system comprises the balance weight 8, balancing hydraulic cylinders 9 and a balance detecting switching circuit 17. The self-anchorage track laying type bridge inspection vehicle can be anchored on the bridge structure, such as drain holes or ventilation holes of the bridge body when in use, and take the bridge as the supporting body of the bridge inspection vehicle; and all the components of the whole vehicle can be matched with alternating anchors of the anchor hanging systems and move forward step-by-step in a track laying manner by relying on the same driving system. The bridge inspection vehicle, provided by the invention, has the advantages that the bridge inspection vehicle is safe and reliable, and is suitable for the running of the bridge detecting equipment in wide-ranging lines; the running of the lines is not influenced; the pre-buried or pre-mounted assistant part is not needed; and the hole-penetrating capability is strong.

The invention discloses a method and a system for injecting a hotfix into software of an embedded system, and relates to the technical field of software fixes for the embedded system. The method comprises the following steps: reserving a plurality of secondary jump table reserving zones in a software program, and reserving a plurality of tertiary jump table reserving zones in a fix file; distributing a nearest secondary jump instruction storage space for each original function, and distributing a nearest tertiary jump instruction storage space for each fix function; generating a secondary jump instruction sequence for each original function and storing each secondary jump instruction sequence into the corresponding secondary jump instruction storage space, and generating a tertiary jump instruction sequence for each fix function and storing each tertiary jump instruction sequence into the corresponding tertiary jump instruction storage space; finally, modifying the first instruction of each original function into a primary jump instruction. According to the method and the system, the operating of a system program is not influenced, and a compiler is not required to be modified; the memory space waste is low; the fix starting time is short.

The present invention relates to a method for judging the action of a control rod drive mechanism based on current change. According to the method, the current signals of a maintaining coil, a transfer coil and a lifting coil of a control rod drive mechanism are collected, the collected current signals are subjected to wavelet transformation data treatment, and according to the treatment result, the action times of the three coils of each control rod are determined so as to judge whether the action of the control rod drive mechanism is correct. According to the present invention, the vibration sensor in the prior art can be completely replaced, such that the work load caused by the assembly and the disassembly of the vibration sensor through the worker can be reduced, the test equipment can be saved, and the radiation dose on the worker can be reduced.

The invention discloses an intelligent adjustment type heat dissipation method and system for a high-voltage frequency converter. The intelligent adjustment type heat dissipation method for the high-voltage frequency converter comprises the steps that (1) a temperature signal of an IGBT is detected in real time, and the temperature signal of the IGBT is converted into a digital signal to be output after shaping and filtering are conducted on the temperature signal; (2) the temperature signal of the IGBT is received and is judged, and when the temperature value is smaller than a preset smallest temperature value, a radiator is controlled to operate at a preset lowest operation frequency; when the temperature value is larger than a preset largest temperature value, the radiator is controlled to operate at a preset highest operation frequency; when the temperature value is between the preset largest temperature value and the preset smallest temperature value, the target operation frequency of the radiator is calculated, and the radiator is controlled to operate at the target operation frequency. The intelligent adjustment type heat dissipation system for the high-voltage frequency converter comprises a first module used for detecting the temperature signal of the IGBT in real time and a second module used for controlling the radiator to operate. The intelligent adjustment type heat dissipation method and system for the high-voltage frequency converter have the advantages that the method is easy to realize, energy consumption is small, the utilization rate of heat dissipation power is high, the noise is low, and intelligent adjustment can be achieved.

The invention provides a memory management method and related equipment, which aims to actively perform memory defragmentation based on application scenarios and continuous memory demand prediction soas to meet the demands of different application scenarios for continuous memory, reduce the waiting time of memory allocation and improve the application running efficiency. The method comprises thefollowing steps: the terminal equipment acquires a switching probability of switching from a currently running first application scene to each second application scene in one or more second application scenes; determining a target continuous memory according to the continuous memory required by one or more second application scenes of which the switching probability meets a preset condition in theone or more second application scenes; and if the available continuous memory on the terminal equipment is smaller than the target continuous memory, before the terminal equipment is switched from the first application scene to any second application scene, the terminal equipment performs memory fragmentation, so that the available continuous memory on the terminal equipment is greater than the target continuous memory.

The invention discloses a manual-automatic integrated adjustable chair blocking device of a descending flying cart by a mine ropeway, comprising a lifting frame; a fixed shaft is arranged on a movable plate which is arranged on the lifting frame by a U-shaped bolt; the fixed shaft is provided with a shaft sleeve which is fixed by a nut; the lower side of the shaft sleeve is provided with a baffle; the upper side of the shaft sleeve is provided with a shifting block; a traction electromagnet is arranged on the lifting frame; a pull rod of the traction electromagnet is connected with the shifting block; the electromagnet can be controlled by an over-speed safety protection circuit; a manual switch of the over-speed safety protection circuit is controlled by a pull rope; and a speed sensor is arranged at a supporting wheel side. The manual-automatic integrated adjustable chair blocking device has the beneficial effects that since the baffle is controlled by the electromagnet, when the mine ropeway operates normally, the electromagnet pulls up the baffle, so that the passing of a movable rope clip; when the mine ropeway generates power failures in operating process, and in cart flying, a lifting chair in the descending direction slides downwards and fast under the gravity function; and when the speed is detected to overpass the safety value by the speed sensor, the electromagnet pulls the baffle, the baffle moves downwards and is clamped on a steel wire rope, so that the movable rope clip can be prevented from sliding downwards, and the occurrence of casualty accidents of personnel sitting on the lifting chair can be avoided.

The invention relates to a potential energy recovery system of lifting equipment and a use method under a non-stable load condition. A first oil outlet of a first electromagnetic directional valve is connected with a connecting oil port of a first accumulator unit and an oil inlet of a fourth electromagnetic directional valve, a second oil outlet of the first electromagnetic directional valve is connected with a connecting oil port of a second accumulator unit and an oil inlet of a fifth electromagnetic directional valve, the fifth electromagnetic directional valve is communicated with an oil outlet of a first hydraulic control one-way valve through a function valve assembly, and is connected with a rodless cavity oil port of a second potential energy recovery cylinder, and an oil return port of the fifth electromagnetic directional valve and an oil inlet of the first hydraulic control one-way valve are communicated with rod cavity oil ports of the first potential energy recovery cylinder and the second potential energy recovery cylinder, and are connected with a first oil return port of an oil tank. The method adopts the steps of determining the carrying load of the potential energy recovery system, and the specifications of the potential energy recovery cylinder and the accumulators; enabling the potential energy recovery cylinder to assist and push the load to move upwards; enabling a press sensor to detect the pressure of the accumulator and the carrying load of a lifting cylinder during the lifting of equipment. The system has the advantage that one part of wasted gravity potential energy can be recovered during falling.

The invention discloses an electric vehicle permanent-magnet synchronous motor stator asymmetry fault diagnosis method. Fault diagnosis on a permanent-magnet synchronous motor is carried out and the severity of a fault occurring in the motor is determined by fusing wavelet transform and a support vector machine system. A faulty resistor is connected in series to any phase to form a faulty phase; a motor stator three-phase winding current signal is collected; the collected current signal is processed by means of wavelet de-noising, and the characteristic quantity of the processed signal is extracted; the extracted characteristic quantity is input to a support vector machine system, and the output of the support vector machine system is set; and finally, the stator asymmetry fault of the permanent-magnet synchronous motor is diagnosed, and the severity of the stator asymmetry fault is determined. The electric vehicle permanent-magnet synchronous motor stator asymmetry fault diagnosis method of the invention has the advantages of accurate and effective diagnosis result, high diagnosis accuracy, and high operability.

The invention relates to transformation of a No. 2 unit condensate fine treatment system in a power plant, in particular to a condensate fine treatment high-temperature running system having heat supply and pure condensation modes. Three butyl rubber (resistant to the temperature of 100-120 DEG C)-lined high-speed mixing beds are arranged at the positions of three original high-speed mixing beds in a No. 2 unit on the basis of current equipment; the original three natural rubber-lined high-speed mixing beds are changed into resin storage tanks which are arranged on the zero expansion ends of a No. 2 unit room and moved to the southern sides of the original high-speed mixing beds, and a resin conveying pipeline, a flushing water pipeline and a compressed air pipeline are connected between the resin storage tank and the three newly-added high-speed mixing bed equipment, so that switching and conveying of home-made resin and imported resin under heat supply and pure condensation working conditions are facilitated. Thus, normal work of condensate fine treatment equipment of over high temperature during back-pressure running of the No. 2 unit during a heat supply period is ensured; meanwhile, normal running and regeneration of a condensate fine treatment system of a No. 1 unit is not influenced.

The invention discloses an ANFIS-based electric vehicle permanent magnet synchronous motor fault classification method. The method comprises the following steps: faults are classified, and a training sample set is built through acquiring various fault data; and an adaptive neural fuzzy inference system is built, winding current in the fault data for various fault types in the electric vehicle permanent magnet synchronous motor serves as an input, one output is given for each fault type, a membership function for the input and the output is selected, system training target errors are set, a hybrid learning algorithm is used for training parameters of the membership function, and thus, input membership function parameters and output membership function parameters in the adaptive neural fuzzy inference system are thus determined. Through diagnosing the faults of the permanent magnet synchronous motor, experimental data are obtained, the experimental data are inputted to the adaptive neural fuzzy inference system, a diagnosis result is obtained, and a fault type is determined according to the diagnosis result, and thus, fault classification is completed. Strong-operability, high-efficiency, economic and high-accuracy diagnosis is realized.

The invention relates to the technical fields of domestic wastewater treatment and sludge treatment and specifically discloses an OCO activated sludge improvement process for municipal wastewater. Twoparts including an OCO wastewater treatment system and a backflow bypass sludge carbon release system are provided in the process. The OCO wastewater treatment system is composed of a grating, a primary sedimentation tank, an OCO biochemical tank and a secondary sedimentation tank; and the backflow bypass sludge carbon release system is composed of a sludge concentration tank, an ultrasonic treatment device and a swirl breaker. A backflow bypass ultrasonic-swirl carbon release system is embedded on the basis of a traditional OCO wastewater treatment process/method to achieve the aims of strengthening the biochemical efficiency of the OCO biochemical tank by virtue of a strong swirl shear field, a centrifugal field and an ultrasonic cavitation effect, improving the biological nitrogen andphosphorus removal effect and reducing the sludge, so that the aim of recycling a carbon source in sludge is achieved, and furthermore, the biochemical efficiency and sludge reduction effect are improved, and the wastewater and sludge treatment cost is reduced.

The invention provides an oxidation ditch membrane bioreactor, a wastewater treatment process and an application thereof. An oxidation ditch is arranged in the oxidation ditch membrane bioreactor; the oxidation ditch membrane bioreactor comprises an anoxic zone and an aerobic zone which are continuously arranged or an anaerobic zone, the anoxic zone and the aerobic zone which are continuously arranged; one or more membrane bio-reaction zones are arranged in the aerobic zone; a sewage inlet is arranged in the anoxic zone or the anaerobic zone; the membrane bioreactor is organically combined with the oxidation ditch; the advantages of S-MBR and R-MBR are fully utilized; sludge backflow is reduced or cancelled; the technical process and the power equipment are simplified; as S-MBR running, the oxidation ditch membrane bioreactor can realize in-situ online cleaning and soaking cleaning; as R-MBR running, the oxidation ditch membrane bioreactor can increase the land use rate and simplify operation and maintenance; an aerating system is optimized; the pulse aeration is combined for guaranteeing the valid oxygen demand in each zone, so that energy consumption waste is avoided. According to the invention, through the optimal combination of the reactor, the processing effect of nitrogen and phosphorus removal can be enhanced, the energy consumption can be saved and the land occupation can be saved.