1549results about How to "Easy to troubleshoot" patented technology

A method for providing integrated voice, video, and data content in an integrated service offering to one or more customer premises includes receiving television programming from a programming source, receiving data from a data network, and receiving telephone communications from a telephone network. The method further includes placing the television programming, data, and telephone communications in a common format for integrated communication over a single network infrastructure using a common communication protocol. In addition, the method includes communicating the integrated television programming, data, and telephone communications in the common format over the single network infrastructure using the common communication protocol to one or more customer premises to provide the integrated service offering.

A process is provided for identifying and managing support service applications associated with consumer electronic devices. The process is executed by a gateway device communicatively coupled with each of the electronic devices via a home network, the gateway device being operative to access the Internet and being communicatively coupled with a display unit. The process includes the steps of: determining device ID information associated with a selected one of the electronic devices for which a support service application is required; providing the device ID information to a selected server computing system via the Internet; downloading a support service application associated with the selected device from the selected server computing system; and executing the downloaded support service application at the gateway device to provide a remote interactive support service process for the selected device. The support service may include a remote interactive manual service providing educational instructions to a user of the home network system regarding operation of a selected device, a remote interactive maintenance/diagnostic service for instructing a home network system user in solving maintenance problems associated with a selected device, or a combination remote interactive manual/maintenance/diagnostic service.

The invention relates to a multifunctional comprehensive type electric control automobile fault diagnosis system. The multifunctional comprehensive type electric control automobile fault diagnosis system comprises a vehicle-mounted network, a vehicle communication interface (VCI) system and personal computer (PC) diagnosis software. The system comprises two working modes: an off-line mode and an on-line mode. Under the off-line mode, the VCI system is connected with the vehicle-mounted network; fault diagnosis of a plurality of protocols and different module types is realized by the VCI system; functions of reading a fault code, removing the fault code, reading a frozen frame, reading a data stream and reading module information are realized; a diagnosis result is displayed by a liquid crystal display screen; and a function of storing diagnosis data is achieved. Under the on-line mode, the VCI system is connected with the vehicle-mounted network; the PC diagnosis software is connectedwith the VCI system; and the fault diagnosis of the plurality of protocols is realized. Besides the functions provided by a diagnosis protocol, a diagnosis application module also provides functions of monitoring data of the vehicle-mounted network and generating a diagnosis result report.

Method and apparatus for continuous collection and correlation of application transactions across multiple tiers of an N-tier application employs an application monitoring appliance that observes application data and stores transactions and statistics. A reporting server aggregates and correlates monitored data from the application monitoring appliance and provides access via a web browser for viewing by a network engineer.

An automatic documentation generation and management system and method, for documenting configurable systems such as complex software applications and hardware systems is disclosed. The method retrieves configuration parameters from the configurable system and utilizes them to automatically generate an explanatory document specific to the configured system. The invention also discloses a documentation appliance system, which is a dedicated documentation server coupled to the configurable system via a communication network, preferably via an Intranet. In yet another alternative, the invention may be practiced by integrating code for automatic documentation generation within the configurable system program.

An optical and/or optoelectrical transceiver and system are disclosed that enable parallel transmission of data and management signals via an optical fiber without affecting data signal transmissions transmitted on the optical fiber. Furthermore, the present transceiver and system provide a fault diagnosis function for an optical fiber link. The transceiver and system generally comprise an interface, an intersecting transmission management unit, a driver, a management signal driving unit, an optical transmitter, an optical receiver, an amplifier, a management signal recovery unit, a management unit, and optionally, a power supply unit.

The invention discloses a performance prediction and fault alarm method for a photovoltaic power station. The method comprises the following steps of: a, setting the station of the power station; b, setting the operation mode of the power station; c, judging whether required real-time data or historical data exists or not; d, predicting the performance of the power station through an experience model if the state in the step a is that a new photovoltaic power station is required to be designed and the required real-time data or historical data in the step c does not exist, and predicting the performance of the power station through a data drive performance model if the required real-time data or historical data in the step c exists; e, predicting the performance of the power station through the data drive performance model or a polynomial regression model if the photovoltaic power station in the step a is operated and the required real-time data or historical data in the step c exists, and predicting the performance of the power station through the experience model if the required real-time data or historical data in the step c does not exist; f, comparing actual performance with the predicted performance, and performing fault alarm; and g, correcting the models on line by a Kalman filtering method and returning to the step c, and otherwise, directly returning to the step e. By the method, solar energy resources can be utilized to the maximum extent, and power utilization cost can be reduced; and the accuracy of performance prediction and fault diagnosis is improved.

A network diagnostic device is provided, which comprises a passive real-time measurement tool that is useful for, among other things, expediting fault identification, isolation, and repair of a communication network or bus. The device also facilitates prediction of failures by identifying marginal operating conditions. The device analyzes data flowing through the communication network, including through an analysis of variations in bit waveform shape carried by the network physical interconnect media. In one embodiment, an implementation of the network diagnostic device is particularly useful in a DeviceNet-compatible network or, more generally, a Controller Area Network (CAN). The device identifies faults by comparing measurements made on the actual DeviceNet bus with worst-case acceptable criteria. The device interfaces with a remote monitoring computer via an Ethernet compatible medium to display parsed bit-level waveforms, network warnings and errors, as well as an overall network health index.

A test tool enables the testing of multiple variable air volume (VAV) boxes from a single location in a building environmental system. The test tool includes a building level network interface and a test program for sending a test parameter to a plurality of VAV boxes so that measurements of air flow characteristics may be obtained at the plurality of VAV boxes.

The method comprises: newly adding a communication scheduling layer into original data link layer of Ethernet; in relation to the standard channel using TCP/IP, newly adding a real time channel; according to the greatest common divisor of control cycle in the actual control area, using a three segmentation dividing principal to divide macro cycle into three time segmentations on time axis; the bus arbitration uses a approach of combining the distribution with the concentration, and uses a time slot distribution based scheduling approach to send the cyclic data relating to the realization of control function in the time segmentation, uses the centralized scheduling approach with priority controlling function to send the system data and non cyclic data in the time segmentation; all slave devices in the system keep the time consistence with the master device by using a clock synchronous algorithm; the logic addressing is made based on the device ID; realizing the real time Ethernet determinacy communication.

An apparatus, system, and method are disclosed for distributed logging. Operating entities and associations between operating entities are registered in a registry by a logging entity registrar. An event notification monitor recognizes operating errors in operating entities. An aggregation module aggregates operating logs from sets of associated entities, which are then stored by a log set recorder.

In response to a user's selection of a troubleshooting instruction element on a troubleshooting page displayed on a client 200 by a browser, the client 200 transmits a transfer request of a troubleshooting program to servers 110 and 120. The servers 110 and 120 transfer the troubleshooting program according to the transfer request. The troubleshooting program is automatically activated on the client 200 on completion of its download to the client 200, in order to execute a troubleshooting procedure.

The invention discloses a satellite attitude control system failure diagnosis device based on a state observer and an equivalent space and a satellite attitude control system failure diagnosis method based on the state observer and the equivalent space, which belong to the field of aerospace and aim to solve the problems of high hardware complexity, low control accuracy and low failure diagnosis algorithm effectiveness of the conventional failure diagnosis method. The method provided by the invention comprises the following steps that: 1, a failure diagnosis observer outputs a satellite triaxial angular rate residual according to output signals of an actuator and a gyro sensor; 2, an equivalent vector space description module constructs equivalent space descriptions of the gyro sensor according to the output signal of the gyro sensor, wherein an output equivalent vector p is used for judging whether the gyro sensor fails or not; and 3, a failure diagnosis and isolation module outputs a failure separation result indicating that the actuator or the gyro sensor fails according to the satellite triaxial angular rate residual obtained by the step 1 and the equivalent vector p obtained by the step 2, and further judges which axis of the failing part fails.

The invention discloses a vehicle failure intelligent setting, practical training and check-out system and a realization method thereof. The system comprises a test bench, a relay, a PLC (Programmable Logic Controller) and a touch screen, wherein the test bench is connected with the PLC through the relay; the system has a standalone edition mode and a network edition mode according to that whether the system is connected to the network or not; in the standalone edition, the PLC is directly connected with the touch screen; in the network edition, the system also comprises a computer which is connected with the touch screen and the PLC respectively, and the PLC is connected with the touch screen. The method is that a teacher can retrieve the test questions in an item pool through the touch screen or the computer and conduct failure setting on a vehicle on the test bench through the PLC and the relay; and a student can read the technical information in a data bank through the touch screen for conducting fault diagnosis and reporting the result to the PLC or the computer. The system and realization method can conduct intelligent failure setting, technical information storage and automatic scoring statistics, and improve practical training and check-out quality and efficiency.

The invention provides an electric vehicle charging station system based on an AC/DC double bus. The electric vehicle charging station system based on the AC/DC double bus adopts a system framework of the AC/DC double bus, connection of the bus with multiple subsystems, modularization in each subsystem and dual data interaction channels, and has the complete function of the electric vehicle charging station system. The electric vehicle charging station system based on the AC/DC double bus takes a bidirectional converter as the core, the AC side of the bidirectional converter is connected with the AC bus, the DC side of the bidirectional converter is connected with the DC bus, and energy flows bi-directionally between the DC and AC buses through the bidirectional converter. The DC bus is connected with an energy storing subsystem, a photovoltaic subsystem, a wind power subsystem and a plurality of DC charger subsystems. The AC bus is connected with an electric supply access subsystem, an active power filter APF access subsystem, a diesel engine generator access subsystem and a plurality of AC charger subsystems. The quantities and the capacities of the AC charger subsystems and the DC charger subsystems can be flexibly selected according to actual needs. The electric vehicle charging station system based on the AC/DC double bus is flexible in configuration and high in power supply reliability, enables the electric vehicle charging station load to combine with new energy power generation, and realizes the sustainable and stable operation of the system.

The invention provides an air conditioner and a refrigerant circulation abnormality protection control method for the same. Under the condition of refrigerant circulation abnormalities caused by closing of a shut-off valve of the air conditioner, a controller protects a compressor timely to avoid undesirable operation and frequent on-off operation, various components of the air conditioner are protected against damage, and the reliability performance is improved. A refrigerant circulation abnormality protection control device of the air conditioner comprises a sampling module, a data processing module, an execution module and an output display module; once the data processing module determines that refrigerant circulation has abnormal faults, the execution module controls the air conditioner to conduct protective shutdown after receiving instructions of the data processing module; whether protective shutdown of the air conditioner occurs continuously for n times is judged, if protective shutdown of the air conditioner occurs continuously for n times, the execution module controls the air conditioner to be unable to resume operation automatically, and the operation can only be resumed through reenergizing or remote-control shutdown and starting-up; the output display module receives instructions of the data processing module or the execution module and controls a display device of an indoor unit of the air conditioner to display refrigerant circulation abnormality fault codes.

The invention relates to a metal-cutting machine tool for automatically machining a steel reinforcement connection sleeve, which comprises a machine frame, wherein a rotating table, a main spindle box and a hydraulic table are sequentially assembled at the upper part of the machine frame; and a hydraulic station and a cooling station are installed at the lower part of the machine frame. In the invention, independent processes of performing drilling, tapping and turning performed respectively by a corresponding independent machine in the traditional method are integrated into an automatic and continuous process, and the process from sleeve blank input to finished sleeve output is realized completely through automatic machining; therefore, work by multiple operators and multiple independent machines can be replaced, equipment, site and workers can be saved, work efficiency can be improved, and productive cost can be reduced; in the invention, the tubingless plate type integration oil cylinder technology is adopted, so that a large number of traditional externally-exposed oil tubes are saved, the structure is compact, the maintenance is convenient, an oil-way channel is short, and the oil current resistance and leakage are reduced; the metal-cutting machine provided by the invention is provided with a hydraulic control screw clutch and a rotary oil-cylinder friction plate clutch to realize rigid tapping, so that the axial force that a screw tap bears can be reduced, and the thread accuracy can be improved; in addition, a high-pressure gas and liquid atomizing cooling and chip-blowing technology is adopted.