111results about How to "Avoid overload situations" patented technology

The computer-implemented system to facilitate creation of educational information employs a networked computer system that stores at least one resource in association with a first electronic file, storing metadata information about usage of the resource. A resource assembly tool implemented by a computer is programmed to access the networked computer system to display information to an instructor about at least one resource, including the metadata information. This aids the instructor in selecting resources for inclusion in educational information being created. The resource assembly tool is configured to assemble the educational information to include resources selected for inclusion being created for dissemination to learners via said networked computer system. The networked computer system is further configured to capture information about usage of the resource and to update the stored metadata information to reflect said captured information.

A refrigerator includes a first passage including a cold storage zone capillary tube and a cold storage zone evaporator, the latter two being connected in series to each other, a second passage including a freezing zone capillary tube and a freezing zone evaporator, the latter two being connected in series to each other, a switching valve causing the refrigerant condensed by the condenser to flow selectively through any one of the first passage, the second passage and both the first and second passages, a variable speed, cold storage zone fan circulating air in the cold storage zone while the air is in contact with the cold storage zone evaporator, a variable speed, freezing zone fan circulating air in the freezing zone while the air is in contact with the freezing are evaporator, and a control device switching the switching valve upon power supply to the refrigerator so that the refrigerant flows simultaneously through both the first and second passages, starting the compressor, starting the cold storage zone fan so that the fan is driven at a high speed, starting the freezing zone fan so that the fan is driven at a lower speed than the cold storage zone fan, and starting the heat-dissipating fan so that an operation in which atmospheres in both the cold storage and freezing zones are simultaneously cooled is continued until a temperature or temperatures in the cold storage and / or freezing storage zone decreases to a value or values smaller than a predetermined value or values, respectively or until a predetermined period of time elapses after the power supply to the refrigerator, the control means thereafter executing a normal operation mode.

A refrigerator has a cold storage and freezer zones with individual fans and evaporators, a switching valve that allows refrigerant to flow simultaneously through each zone or through only one of the zones and a control which when power is supplied causes simultaneous flow, starting the compressor and a condenser fan while driving the cold storage fan at a high speed and the freezing zone fan at a low speed until such time that a set point time has been exceeded or the temperature set points of the zones has been reached by cooling.

The invention discloses a multi-core parallel simulation engine system supporting joint operations. The system solves the problem that the real-time performance of a traditional joint operation system is easily influenced when step length is used to forward logic time. The system includes a model scheduling management module, a thread management module, an external interface management module and a high-level architecture (HLA) management module. According to the system, target nodes are assigned for simulation entities to enable total computation amounts of models on each node to be equivalent; then through the model scheduling management module, a scheduling schedule of each node is generated based on a principle of load balancing, the simulation step length is assigned for the models, and during a simulation process, the scheduling schedule is adjusted and the simulation step length of the destroyed entities and generated new entities is adjusted. The system can autonomously divide the scheduling schedule according to operating cycles of the models and the system step length, allow the entities to use the different physical models or the behavior models according to needs for simulation, and support real-time scheduling of large-scale simulation and the high-fidelity operation models.

An external load mass rope for attachment to a cargo hook device of a rotorcraft that comprises at least one first cargo hook and at least one second cargo hook, the external load mass rope comprising at least one first rope leg and at least one second rope leg, wherein the at least one first rope leg is adapted for attachment to the at least one first cargo hook and the at least one second rope leg is adapted for attachment to the at least one second cargo hook, characterized in that at least one of the first and second rope legs comprises an associated length adjustment unit that is adapted to shorten or lengthen the at least one of the first and second rope legs in operation on the basis of associated operating parameters.

The present invention is a motorized shopping cart retriever that includes a controller that attenuates the power provided to the drive system of the retriever to prevent the retriever from being utilized to move an excessively heavy load of shopping carts. By preventing the retriever and carts from being subjected to overloaded conditions, the operational lives of the retriever and carts are maximized. The retriever is also provided with a burst mode that allows the power provided to the drive system to rapidly increase past the normal attenuated level for a brief period of time in order to reduce the time required to accelerate a retriever loaded with carts to a terminal velocity.

Systems and methods for communicating presence information are provided. A communication station establishes a persistent connection with a proxy server and a temporary connection with a presence server. The temporary connection is established independent of the proxy server. The communication station provides and obtains presence information directly from the presence server over the temporary connection. After providing or obtaining information, the communication station terminates the temporary connection, while still maintaining the persistent connection with the proxy server.

A method and a device for monitoring a rotational speed of a first charger for an internal combustion engine, especially an exhaust gas turbocharger, are provided. A first exhaust value representing an exhaust gas composition of the internal combustion engine in a first exhaust section is defined, and a first speed value representing the rotational speed of the first charger is determined according to the defined first exhaust value. The first exhaust value is regulated to a predefined first reference value using a first correcting variable which is ascertained as required for regulation. The first rotational speed value is determined depending on the first correcting variable.

The present invention is a motorized shopping cart retriever that includes a controller that attenuates the power provided to the drive system of the retriever to prevent the retriever from being utilized to move an excessively heavy load of shopping carts. By preventing the retriever and carts from being subjected to overloaded conditions, the operational lives of the retriever and carts are maximized. The retriever is also provided with a burst mode that allows the power provided to the drive system to rapidly increase past the normal attenuated level for a brief period of time in order to reduce the time required to accelerate a retriever loaded with carts to a terminal velocity.

A method is provided for connecting a main converter, e.g. for use in a power plant for regenerative energy having a generator, to a power grid. The method includes providing energy from the pre-charge unit to at least one of at least two converter paths. The at least one converter path is pre-charged using the energy provided from the pre-charge unit. At least one further converter path of the at least two converter paths is pre-charged using the energy provided from the pre-charge unit via the at least one converter path through the grid side converter of the at least one converter path and the grid side converter of the at least one further converter path. The main converter is connected to the power grid by closing the grid breaker.

Disclosed is a lifting column for lifting a load, such as a vehicle, which includes a frame with a movable carrier and a drive which acts on the carrier; control means for control of the drive; a carrying part attached to the carrier for carrying the load; weight measuring means attached to the carrying part for measuring the weight of the load; and communication means for communicating a measurement signal of the weight measuring means indicative of the weight of the load to the control means.

The present invention relates to assigning an S-CSCF to an un-registered user in an IMS network. A HSS maintains information about a registration state of users and about assignments of S-CSCF to the users. HSS determines if S-CSCFs are available to serve the users. When receiving a request associated with a user and requesting address of an S-CSCF assigned to the user, assignment of the S-CSCF for the user is removed from HSS if the S-CSCF has been determined not to be available and if the registration state of the user indicates that the user is not registered. The HSS may transmit Server Capabilities to an I-CSCF to enable the I-CSCF to re-select new S-CSCF to serve the user.

A method and a device for monitoring a rotational speed of a first charger for an internal combustion engine, especially an exhaust gas turbocharger, are provided. A first exhaust value representing an exhaust gas composition of the internal combustion engine in a first exhaust section is defined, and a first speed value representing the rotational speed of the first charger is determined according to the defined first exhaust value. The first exhaust value is regulated to a predefined first reference value using a first correcting variable which is ascertained as required for regulation. The first rotational speed value is determined depending on the first correcting variable.

A combination microwave and refrigerator system is constructed having a single plug input supply. The microwave oven is adapted to provide power to a refrigerator, and to auxiliary receptacles adapted for low power operation. The current to the low power receptacles and the refrigerator is controlled by the controller for the microwave oven according to the duty cycles of the connected appliances to avoid overload conditions.

Provided are a method by which a base station controls the access of a terminal, and a device for supporting the same. The method comprises the steps of: receiving, from a core network, information on an RRC connection procedure in which access in an RRC inactive state is restricted; receiving a request for executing the RRC connection procedure from a terminal which is in the RRC inactive state; and transmitting, to the terminal, a message notifying that the requested execution of the RRC connection procedure has been restricted, when the RRC connection procedure requested from the terminal corresponds to the RRC connection procedure in which the access is restricted.

A light effect control method, computer program product and device are presented which allow an application to render a light effect by a networked lighting system based on the method, computer program product or device receiving an event being from the application. To provide a better user experience, light effects related to certain events need to be rendered even if a delay in rendering is expected whereas light effects related to other events need to be rendered without delay or else not rendered at all. As such, a decision is made to execute a first or a second scenario based on the event type of the event received and / or the capacity of the networked lighting system, wherein in the first scenario the lighting control command is always sent to the networked lighting system and in the second scenario the lighting control command is only sent to the networked lighting system if no unacceptable delay in rendering the light effect is expected.

The present invention relates to a load transfer method and a device for improving reliability of a distribution network. The method comprises the following steps: a substation fault signal is obtained in real time; the load data of the faulty substation and a load transferable substation is collected; a tie switch is provided between the faulty substation and the load transferable substation; load transfer constraint conditions are constructed, which include the total load constraint of the load transferable substation, the maximum instantaneous load rate constraint of a tie line and the maximum load transfer constraint; and based on the load data, the optimal load transfer scheme meeting the load transfer constraint conditions is obtained by the trial and error method. Compared with theprior art, the invention has the advantages such as power supply reliability maximization.

The embodiment of the invention discloses a method and equipment for UE access control. The method comprises the following steps: after a radio resource control (RRC) connection is established successfully, network-side equipment judges whether an air interface data bearer can be established for UE according to contract information of the UE and current radio resource; if an air interface data bearer can be established for the UE, the network-side equipment determines that the UE is admitted successfully and establishes a corresponding air interface data bearer for the UE; and if an air interface data bearer cannot be established for the UE, the network-side equipment determines that the UE is not admitted successfully and triggers an RRC connection releasing process corresponding to the UE. According to the embodiment of the invention, simple access control can be realized, network overload can be avoided, the quality of service of the accessed UE is ensured, and the performance of a network system is guaranteed.

The invention provides status information acquiring method and system for a base station participating in relaying in a relay network. The method comprises the step that: a relay node feeds back self status information or the status information of user equipment (User Equipment) within the self coverage range to the base station participating in the relaying. The base station (DeNB, Donor eNB) participating in the relaying acquires the status information of the RN side and the UE side of a Uu interface through the status information of the relay node (RN), fed back on the Un interface, thereby flexibly scheduling the UE or the E-RAB (E-Radio Access Bearer) of the UE and ensuring that each UE or the E-RAB of the UE can reasonably receive data sent by the DeNB, or the status of the RN or the E-RAB of the RN is controlled, and the overload condition is avoided happening on the RN through flow control.

The invention relates to a data backup method and device, computer equipment and a storage medium. The method comprises the following steps: obtaining a backup request, wherein the backup request carries a database identifier and a data identifier to be backed up; obtaining the corresponding data to be backed up based on the data identifier to be backed up; searching a full amount slave server, anincremental slave server and a plurality of master servers corresponding to the database identifier; selecting at least one master server from a plurality of master servers according to the data storage amount of the full amount slave server, the data storage amount of the incremental slave server and the available capacity of each master server; and storing the data to be backed up to the selected at least one master server and backing up the data to be backed up to the full amount slave server at full amount and to the incremental slave server at incremental amount. The method can balance data storage on a plurality of servers.

Embodiments of the invention relate to the technical field of data processing and disclose a repeated data cleaning method and a server. The repeated data cleaning method comprises the steps of receiving request data of a front-end device; according to the request data, calculating out a verification value corresponding to the request data; judging whether stored verification values comprise the verification value corresponding to the request data or not, wherein the stored verification values are verification values of request data received and uncleaned in a preset duration before a currentmoment; and if the stored verification values comprise the verification value corresponding to the request data, giving up the request data. The embodiment of the invention furthermore provides the server. According to the repeated data cleaning method and the server provided by the embodiments of the invention, the problem of cleaning of same data (which cannot be distinguished by business attributes) repeatedly submitted in a short time in a same business module is solved, so that the server can be prevented from repeatedly executing a same task, and the working efficiency of the server is effectively improved.

This ID describes a technique for a Power over Ethernet PD (Powered Device) to discover the port injection voltage the PSE (Power Providing Equipment) is using. This is required to determine the maximum current the PD will be able to draw without being cut off by the PSE. This in turn is used to extract the maximum possible power from the PSE.

The invention relates to a method and to a device that describe a real-time network plan for industrial control and monitoring applications, wherein standard Ethernet switching elements are used for the communication network, in particular on the basis of the new mechanisms according to the IEEE 802.1 TSN Task Group. The sequence plan combines clocked data transfer with the stream reservation concept and thus provides determinism with guaranteed maximum latency and access controls at runtime.

The invention relates to a preparation method of shampoo containing seaweed extracts. The preparation method uses a preparation machine of the shampoo containing the seaweed extracts. The machine comprises a fixed base, mounting rods, a crushing device and a squeezing device, wherein the mounting rods are symmetrically fixed on the front side and the rear side of the middle part of the upper end of the fixed base; the crushing device is connected between the upper sides of the mounting rods; and the squeezing device is arranged below the crushing device. The preparation method can solve the problems that when seaweeds are squeezed to obtain the seaweed extracts, a traditional squeezing method is large in energy consumption and high in resistance in the treatment process; energy is wasted, and meanwhile the squeezing efficiency of the seaweed extracts is reduced; and a traditional crushing method is low in treatment efficiency, and the mixing degree of the seaweeds in crushing equipment cannot be further deepened, so that part of the seaweeds can move in the treatment direction of the crushing equipment, treatment is incomplete, and more seaweeds may be left on a crushing mechanism during crushing.

The invention relates to a load balancing method and device as well as computer equipment and a storage medium. The method comprises the following steps: acquiring a first user equipment number fed back by a neighbor cell of a source cell, a first access-allowed maximum user equipment number of the neighbor cell and a second user equipment number of the source cell; according to a cell load balancing threshold value, the second user equipment number of the source cell, a second access-allowed maximum user equipment number of the source cell, the first user equipment number and the first access-allowed maximum user equipment number, calculating a target migration user equipment number; and switching user equipment, with the number the same with the target migration user equipment number, ofthe source cell to the neighbor cell. By adopting the method provided by the invention, the situation that the neighbor cell in a low load is overloaded as a large number of user equipment in the source cell are switched into the neighbor cell is avoided, ping-pong switching on the user equipment is reduced, and load balancing modulation frequency is reduced.

The invention relates to a well drilling fluid mixing and drifting tool, and belongs to the field of well drilling and logging in petroleum and natural gas industries. According to the well drilling fluid mixing and drifting tool, a logging instrument is effectively trapped into the downhole, and drifting operation is effectively completed. According to the technical scheme of the well drilling fluid mixing and drifting tool, a cable core at one end of a cable is connected with an electromagnet and a motor in a conducting mode, and a cable core at the other end of the cable is connected with aground electronic control platform in a conducting mode; the middle of the outer circle of a locking connector is in screw thread connection with the lower portion of an inner cavity of a locking nut, and the lower portion of the outer circle of the locking connector is in screw thread connection with the upper portion of an inner hole of a connecting head; the electromagnet is mounted on the upper portion of an inner cavity of an electromagnet sealing seat; an anchor jaw and an anchoring spring are overall arranged in a radial through hole in a centering wing of an anchor body; the upper endof an input magnetic tile seat and an output shaft of the motor are fixed through a transmission pin, the lower end of an inner cavity of an output magnetic tile seat is in screw thread connection with the upper end of the outer circle of a centering cylinder, and the upper end of a mixing head is in screw thread connection with the lower end of a transmission shaft. According to the well drilling fluid mixing and drifting tool, viscous well drilling fluid is electrically mixed, and thus the drifting effect is effectively achieved; and a magnetic driving technology is adopted, the motor and the electromagnet are sealed in a static sealing mode, and thus sealing is safe and reliable.

The invention relates to an intrinsically safe lamp for underground mining. The lamp comprises a housing, and the housing is provided with at least one light source which can run under low-voltage conditions, a control device for the light source, and a power storage device for the light source.