344 results about "Reliability engineering" patented technology

A system for determining maintenance needs and validating the installation of an alarm system are provided. The system may include a central monitoring station configured to receive operational measurements and apply maintenance rules to the operational measurements and a maintenance history for the alarm system to determine maintenance needs of the alarm system. Additionally, the central monitoring station may be configured to receive points and status updates and apply installation rules to the points and status updates to determine whether the installation of the alarm system if valid.

The invention discloses a control method of a nuclear power station safety level DCS. The control method includes the steps that two or more driving signals sent by equipment are received; the driving signals are subjected to priority ranking according to preset priority management logic; a first driving instruction is generated according to the ranked first driving signal so that an equipment driving device can execute operation according to the first driving instruction. According to the control method of the nuclear power station safety level DCS, in the control process of a nuclear power station safety level digital instrument control system, a multifunctional and intelligent control technology can be achieved. Besides, the invention discloses a multifunctional interface of the nuclear power station safety level DCS.

The invention discloses an intelligent laundry rack system and a control method and equipment thereof and belongs to the technical field of intelligent laundry racks. The system comprises a laundry rack body, a monitoring device, external intelligent equipment and a master control MCU, wherein the monitoring device is used for monitoring the ambient environment of the laundry rack body and formingmonitoring data; the external intelligent equipment is used for processing the monitoring data according to a preset algorithm to generate corresponding action instructions; the master control MCU isused for receiving the monitoring data transmitted by the monitoring device, receiving the action instructions transmitted by the external intelligent equipment and controlling the work of functionaldevices according to the action instructions. The intelligent laundry rack system has the advantages that the parameter data of the use environment of the laundry rack body are collected through various sensors to form the monitoring data, the action instructions are generated through the preset algorithm, automatic control of the various functions of the laundry rack system is achieved, the intelligent level and practicality of the intelligent laundry rack system are increased, energy loss is reduced, and convenience is brought to people's life.

The invention discloses a combat performance-oriented equipment support operation process analysis method, including: constructing equipment support task-strength-mode-action matching relationship method; predicting equipment support joint points, realizing battlefield support command and control method; monitoring equipment system Combat performance, to realize the real-time control method of equipment support operation target. The invention greatly improves the efficiency and benefit of equipment support, has high feasibility and effectiveness, and can lay a research foundation for the construction of new theories and new models of armored mechanized troops' wartime equipment support that adapt to the operational requirements of the information system, and provide a basis for the implementation of armored mechanized troops. The practice of wartime equipment support provides ideas and countermeasures.

The embodiment of the application provides an aircraft guidance control simulation test method and device. The method comprises the steps: respectively building subsystem models of all controlled objects corresponding to a preset guidance control system model of an aircraft based on historical simulation engineering data of the aircraft; establishing a guidance control simulation system of the aircraft in a virtual simulation environment according to the guidance control system model of the aircraft and each subsystem model; performing simulation verification on the operation state of the guidance control simulation system so as to debug operation parameters of the guidance control simulation system according to a simulation verification result; and accessing preset hardware equipment intothe guidance control simulation system to carry out a semi-physical simulation test for the aircraft. According to the application, the integrated simulation test between the guidance control systemand the controlled subsystem of the aircraft can be effectively realized, and the accuracy and reliability of the aircraft guidance control simulation test can be improved by providing an open and extensible virtual integrated simulation and test environment.

The invention relates to a distribution equipment operation efficiency evaluation method involving reliability and economy, comprising the steps of: (1) determining upper and lower limits P2 and P1 of an economical operation interval; (2) rearranging distribution equipment time sequence load curves in order of size to obtain a load duration curve; (3) determining the supplied electric quantity S1 exceeding the upper limit P2 of the economical operation interval, the supplied electric quantity S2 in the economical operation interval, and the electric quantity S3 below the lower limit P1 of the economical operation interval; (4) determining the equipment lacked electric quantity S4 and equipment loss electric quantity S5; (5) determining the correction factor alpha of the GDP generated by each kilowatt-hour according to the GDP of the area where equipment is located, social electricity consumption per year and average retail price; and (6) determining equipment operation efficiency according to an equipment operation efficiency evaluation model. The method involves the factors of safety, reliability, economic operation, utilization rate and duration, and can more comprehensively evaluate the operation efficiency of distribution equipment in a full time domain.

The invention discloses an intelligent assignment scheduling AR multi-person remote assistance method based on an ant colony algorithm. The method comprises the following steps of: an operation and maintenance worker operates the intelligent operation and maintenance APP and wears AR glasses on site; operation and maintenance are carried out through a fault detection operation and maintenance module of the intelligent operation and maintenance APP. In case of difficult operation and maintenance which cannot be solved, remote assistance is applied through a remote assistance module of the intelligent operation and maintenance APP, an AR glasses camera is used for directly transmitting a field situation to an expert remote assistance center at a first-person perspective, and the expert remote assistance center intelligently judges experts in related technical fields through an ant colony algorithm to give field connection guidance. According to the power equipment fault detection operation and maintenance mode, the skill knowledge reserve requirement for basic operation and maintenance personnel can be reduced, the workload is reduced, experts in related technical fields are intelligently judged by adopting an ant colony algorithm model for matching guidance, the optimal solution of expert scheduling can be quickly found in a short time, and the resource utilization rate is improved.

The invention belongs to the technical field of an engine, and particularly relates to a temperature sensor fault diagnosis method and a temperature sensor fault diagnosis system. The temperature sensor fault diagnosis method comprises the following steps of turning off an engine; judging whether the rotating speed of the engine is zero or not; if the rotating speed of the engine is zero, resetting a timer and starting timing; when the timing duration is smaller than a first preset value, and the engine is started, performing timing again after the engine is turned off; when the timing duration is greater than the first preset value, performing self fault diagnosis by temperature sensors; if the fault diagnosis is not passed, outputting reminding; and if the fault diagnosis is passed, ending the diagnosis. The temperature sensor fault diagnosis method according to the embodiment has the advantages that when the engine turning-off time reaches the first preset time, the temperature values measured by the temperature sensors arranged in each position of the engine are in an allowable error range; and the measuring values of each temperature sensor are compared for judging whether thetemperature sensors generate a zero offset fault or not.

The invention belongs to the fire alarm detection technology field and provides a redundant smog detector and a system. The redundant smog detector comprises controllers connected with a power source portion, a code receiving portion and a code returning portion, wherein the controllers comprise a first controller and a second controller, the first controller is connected with a first smog sensing portion, and the second controller is connected with a second smog sensing portion; for the system, the redundant smog detector is in hitched with a bus, the bus is connected with a first general controller and a second general controller, the first general controller comprises a first system control portion and a first code transceiving portion, the second general controller comprises a second system control portion and a second code transceiving portion, and the first code transceiving portion and the second code transceiving portion are respectively connected with the bus. According to the redundant smog detector and the system, problems that multiple complex conditions can not be satisfied by a smog detector in the prior art, a damage rate is high, service life is short, error reports constantly occur, detection precision seriously decreases as time goes by, and the system facing various situations can not work normally are solved.

The embodiment of the invention provides a Root detection processing method and device, and a terminal. The Root detection processing method comprises the following steps: obtaining target system partition information which is used for carrying out Root detection processing and is stored in a target terminal; judging whether the obtained target system partition information is the same with preset target verification system partition information or not; and if the obtained target system partition information is not the same with the preset target verification system partition information, detecting that the target terminal carries out Root. The Root detection processing method can be adopted to improve the practicality and the convenience of the Root detection processing.

The invention belongs to the technical field of aerospace engineering, and relates to an engine test system and method, in particular to an engine test collecting-distributing type control system and method. The engine test collecting-distributing type control system comprises an upper computer based on the windows system, a plurality of lower computers based on the Linux system, an network switch for achieving interaction between the upper computer and the lower computers, a corresponding driving unit and a corresponding acquisition unit. The engine test collecting-distributing type control system guarantees accurate and real-time transmission of data through the methods that the upper computer and the lower computers adopt a TCP/IP communication protocol, the inventor defines fields of a protocol packet, and the protocol packet adopts IP addresses and a packet head which are bound for testing. By means of the engine test collecting-distributing type control system and method, the problems of high cost and difficult later maintenance and function extension and integration due to the fact that an engine test control system in the technical field of aerospace engineering needs to be imported are solved.

The invention provides a fault processing method, a fault processing device and a storage medium. The method comprises the following steps: judging whether first terminal equipment has a fault or notin the process of executing a first part of services of a distributed service; under the condition that a fault occurs, storing the calling information of the first terminal device in a distributed file system, and storing the distributed service log set of the first terminal device in a distributed file system, wherein the distributed service log set of the first terminal device comprises a plurality of logs generated by the first terminal device in a predetermined time period associated with the time when the fault occurs. According to the method and the device, the call chain can be recorded by using the call chain identifier, a main line is provided for tracking and positioning of the service fault, and the positioning capacity of the equipment after the fault occurs is improved. The collection of related logs is triggered through distributed faults, a heartbeat mechanism does not need to be arranged to detect the abnormal state of equipment, and the influence on normal services isreduced.

The invention belongs to the technical field of computer network security, and particularly relates to a fuzzy test system and terminal equipment. The fuzzy test system provided by the embodiment of the invention can comprise a core fuzzy test engine, an exception detection engine and an exception report engine, wherein the core fuzzy test engine is used for generating a test vector input into a target test object; wherein the exception detection engine is used for detecting undefined and potential unsafe behaviors of the target test object; and the exception reporting engine is used for reporting all information related to the target test object when the target test object is exceptional. Compared with an existing fuzzy test which is only suitable for finding specific weaknesses in a specific tested system, the fuzzy test system provided by the invention has wider applicability.

The invention relates to an urban rail transit operation control operation and maintenance cooperation system and method. The system comprises an intelligent operation and maintenance subsystem and anintelligent operation and control subsystem, the intelligent operation and maintenance subsystem and the intelligent operation and control subsystem respectively comprise a cooperative linkage enginemodule, and the intelligent operation and maintenance subsystem synchronizes a fault handling plan to the intelligent operation and control subsystem through the cooperative linkage engine module. Compared with the prior art, the method has the advantages of scientific and reasonable scheduling decision, high efficiency, high intelligent degree and the like.