74results about How to "Rationalize" patented technology

The invention discloses a multi-tenant performance isolation framework based on a virtualization technology. The isolation framework consists of a performance isolation subsystem, a dynamic resource manager, a virtual machine monitor, a virtual machine and a system resource pool. A method for erecting the isolation framework comprises the following steps: constructing a VM for each tenant by the virtualization technology, wherein the VM defines a boundary of logic resources of the corresponding tenant, and pre-distributing virtual resources for initializing the VM by adopting a virtual resource based on a tenant SLA; then monitoring and managing the service performance of each tenant under a logic isolation state, and controlling a response time boundary of each tenant by an access control mode; and finally, monitoring a service condition of each tenant, and implementing dynamic adjustment on the virtual resources of the tenants and maximization of total resource utilization. The performance isolation among all the tenants can be effectively guaranteed, and the service quality of the multiple tenants can be met; the reasonability of the resource use of all the tenants is realized, and the satisfaction degree of the tenants to the service is improved.

The invention discloses an electricity utilization arrangement optimization method for intelligent household electrical appliances. The method comprises the following steps: dividing electricity utilization time into time periods, representing the electricity utilization starting time, electricity utilization time length and electricity consumption of each intelligent household electrical appliance with time period numbers, providing an interruptible electricity utilization model and a non-interruptible electricity utilization model according to electricity utilization characteristics of the intelligent household electrical appliances, providing an intelligent household electrical appliance electricity utilization arrangement optimization model by which influence of electricity cost and electricity utilization interruption on the electricity utilization feeling of a user are simultaneously taken into account according to the electricity utilization aim of the user, and solving the optimization model by adopting a genetic algorithm, wherein new punishment electricity prices are adopted for an electricity pricing mechanism in the optimization model. According to the optimization method, the electricity utilization arrangement of the intelligent household electrical appliances can be reasonably optimized, the electricity cost can be effectively reduced, electricity peaks can be reduced or the influence of electricity utilization interruption on the electricity utilization feeling of the user can be reduced.

The invention discloses a converter transformer tap switch condition monitoring system and a non-stationary signal spectrum estimation method. The system comprises a vibration signal sensor which is disposed on a housing of a transformer and is used for monitoring the operation process of a converter transformer tap switch; a digital filter for filtering noise waves; and a vibration data collection function module which is used for eliminating various types of signal noises. The method employs a maximum entropy-spectrum method, carries out solving of data outside a known limited data autocorrelation array through employing an extrapolation method under the condition of the maximum information entropy, and estimates the power spectrum density of a to-be-detected signal. The method achieves the estimation of the tap switch under the non-intruding detection, achieves the system inspection of the converter transformer tap switch, can reduce the incidence rate of faults in two preset correction periods, and employs the modern spectrum estimation method of maximum entropy estimation for the spectrum estimation of a non-stationary signal of an isolation switch, so as to further improve the analysis precision and accuracy.

The invention relates to the technical filed of communication, and particularly relates to a trunk cable maintenance management method and system. The method comprises the steps that a trunk cable management area is divided to form a number of electronic fences; a patrol task list is developed for each electronic fence; the patrol track of a patrol person according to a patrol task list is collected, and hidden trouble information and hidden trouble processing information of a cable and a patrol document are received; the patrol track is displayed, and the hidden trouble information and the hidden trouble processing information of the cable are recorded; and archive management is carried out on the patrol document. According to the invention, the trunk cable management area is divided to form a number of electronic fences according to section, and a patrol task is developed for each electronic fence so as to facilitate real-time monitoring of the maintenance condition of the trunk cable of an operator; hidden troubles, which are discovered in the patrol process, of the cable are timely processed; the incidence of failure is effectively reduced; and the overall management level of trunk cable maintenance is enhanced.

The invention relates to a grinding processing method for optical spherical lens, in which the fine grinding procedure can be used as single procedure to perform rough grinding. The rough grinding for optical spherical lens is performed at the following condition: 1) grinding disc of nucellus swing type performing the rough grinding of the said lens sheet; 2) using diamond tool of #300-#600 (average size : 60 mu m-30 mu m) and more than 50 of concentration ratio as rough grinding tool disc; setting the rotating speed of the said rough grinding tool disc as 2500rpm-3000rpm. Thus, the allowance of the next fine grinding procedure is about below 20 mu m, which can improve the surface roughness and sphere precision of the said rough grinding procedure. The fine grinding is single grinding procedure, which can realize the shortening of the abrasive machining time of the spherical lens and rationalization of the process management.

The invention provides an electronic control network of an automobile, which relates to an improvement of the conventional electronic control network of an automobile, is more accurate and is capable of solving network conflict and time delay of a vehicle-mounted CAN (Controller Area Network) bus. The electronic control network is designed with three electronic control units (ECUs) of the automobile, namely, an anti-locking brake system (ABS), an electronic power-assisted steering (EPS) unit and an automobile body control unit, and the ECUs form high, medium and low speed nodes of the CAN bus so as to form a control network; and the core of the electronic control network is a software module which is mainly composed of a system initializing module, a start self-checking module, a main control module, a data acquisition module, a data processing module, a reference automobile speed calculating module, a road surface identifying module, an automobile movement state identifying module, a control decision and execution mechanism acting module, a failure diagnosing module and a communication module, and the modules are uniformly dispatched in real time and distributed with operation time by the main control module according to a task management mechanism and exchange data and signals with one another.

The invention discloses a method for obtaining prediction scheduling data of a public bicycle intelligent scheduling system. In the bicycle scheduling, the demand is generally obtained based on experience. Considering that the scheduling demand obtained based on experience cannot be used as data support for predicted scheduling, and the correct rate of demand cannot be ensured, a method for obtaining prediction scheduling data of a bicycle intelligent scheduling system is proposed to solve the problem. Firstly, a tool is used to analyze the historical data of rent and return to obtain the peakrunning time of the system and the trend of lease flow at each site; then, the stations in the system are classified according to the number of rent and return vehicles; finally, the data of rentingand returning vehicles is traced back, the full vehicle rate at each time of the site is obtained, and the scheduling demand of each site is obtained in combination with the site type and the lease flow direction. The method integrates big data analysis and data backtracking display technology to realize accurate acquisition of scheduling data, so that the bicycle rental system can acquire more accurate and more real-time scheduling data.

The invention relates to a method for treating oxygen-containing tail gas in an ethylene glycol production device. The problems that in the prior art, the oxygen-containing tail gas treating is high in cost, large in energy consumption and low in safety, and pollutes the environment are mainly solved. According to the method for treating the oxygen-containing tail gas in the ethylene glycol production device, by adopting the technical scheme that the oxygen-containing tail gas from the ethylene oxide-ethylene glycol device enters a shell and tube reactor through a gas-gas heat exchanger and generates a catalytic oxidation reaction on the tube side under the effect of a noble metal catalyst, thus oxygen in the tail gas sufficiently reacts with ethylene, and the oxygen in the tail gas is removed; and then the treated tail gas is cooled through a cooler and then enters an ethylene recovering unit, and after the ethylene is removed, the tail gas enters a liquid separating tank to be subjected to subsequent treatment, the problems are solved well, and the method can be used for treating the oxygen-containing tail gas in the ethylene glycol production device.

A scroll compressor configures suction and compression rooms between fixed and orbiting scrolls, includes a back pressure room at the orbiting scroll base plate back face, and is configured in an asymmetric tooth shape. A fluid outflow path for an orbiting scroll lap external line side compression room and a fluid outflow path for an internal line side compression room are configured on an orbiting scroll base plate, and outlet side openings of the respective fluid outflow paths are opened to an orbiting lap tooth bottom. Inlet side openings of the respective fluid outflow paths are opened to the orbiting scroll base plate face sliding with the fixed scroll, and a fixed scroll base plate face is configured with a communicating section control groove for intermittently communicating the inlet side openings of the respective fluid outflow paths and the back pressure room in accordance with an orbiting movement. The communicating section control groove is configured such that pressures of the respective compression rooms in starting to communicate and finishing communicating the both compression rooms on the external line side and on the internal line side and the back pressure become the same.

The invention discloses a mobile climbing type image acquisition detection robot. The mobile climbing type image acquisition detection robot comprises a bearing chassis, mechanical arms and a total controller, wherein a supporting base is arranged on the upper surface of the bearing chassis; a video camera is arranged at the top of the supporting base; mechanical arm supporting frames are arranged at the periphery of the bearing chassis; the mechanical arms are fixedly arranged on the end parts of the mechanical arm supporting frames; mechanical claws are arranged at the tail ends of the mechanical arms; and each mechanical claw comprises mechanical branched claws, collecting columns, gears and supporting columns. The mobile climbing type image acquisition detection robot adopts six-feet design and a mechanical claw structure, has the functions of the functions of the existing robot and realizes a true climbing robot by virtue of the grabbing capabilities of the six mechanical claws, can climb vertical steps, can stop on a vertical structure object by virtue of a grabbing force and facilitates effective work of image acquisition equipment and a detector on the robot; and the robot chassis is provided with caterpillar tracks capable of moving on muddy ground conveniently.

The invention discloses a horizontal type normal-pressure hot water boiler. The horizontal type normal-pressure hot water boiler comprises a boiler body and a flue, wherein the flue comprises a firstflue and a second flue which communicates with the first flue; one end of the first flue penetrates through the boiler body to form a smoke inlet; one end of the second flue penetrates through the boiler body to form a smoke outlet; a first heat exchange tube which penetrates through the two ends of the side wall of the second flue and is close to the first flue, and a second heat exchange tube, which penetrates through the two ends of the side wall of the second flue and is far away from the first flue are arranged in the second flue; and the outer wall of the second heat exchange tube is equipped with a first fin. The flue of the boiler is divided into the first flue and the second flue, the second flue internally comprises the first heat exchange tube and the second heat exchange tube,and the first fin is further arranged on the second heat exchange tube away from the first flue, so that tertiary heat exchange between the flue and water in the boiler body is realized so as to sufficiently absorb waste heat of smoke.