810 results about "Functional safety" patented technology

A method and program prevents a user from bypassing a limit placed on a specified operating life of a sensor by disconnecting and reconnecting the sensor. The present invention checks a characteristic of the sensor to see if the sensor is used prior to the connection of the sensor, and rejects the sensor if the sensor is determined to have been used before. The process of checking the characteristic of the sensor involves performing an Electrochemical Impedance Spectroscopy (EIS) procedure and calculating an impedance value. The impedance value can be compared to various threshold values for a variety of purposes including the determination of age, condition, hydration, and stabilization of the sensor.

A process plant uses an asset utilization expert to collect data or information pertaining to the assets of the process plant from various sources or functional areas of the plant including, for example, the process control functional areas, the maintenance functional areas and the business systems functional areas. This data and information is stored in a database and is sent to and manipulated in a coordinated manner by tools, such as optimization and modeling tools. This data is also redistributed to other areas or tools where it is used to perform overall better or more optimal control, maintenance and business activities. Information or data may be collected by maintenance functions pertaining to the health, variability, performance or utilization of a device, loop, unit, etc. and this information may then be sent to and displayed to a process operator or maintenance person to inform that person of a current or future problem.

The main claim involves a system that ensures a self-guiding, electronic positioning of a secondary coil in a vehicle, without the aid of indicators or kinematic or mechanical aids, in relation to a primary coil that is fixed in a structure, in order to guarantee a transfer of energy with over 90% efficiency without the disadvantages of moving, frictional and elastic components in terms of energy consumption, functional safety and wear. To achieve this aim, the coil housing in the structure fulfills the role of an electronics housing, reflective element and cooling element thanks to the choice of material used, the surface and the inner supports and can thus be retrofitted, as a single installation on the structure in the form of an operation-ready complete package, to any flat base with an electric connection. The vehicle can be used both for transporting passengers and loads and can be steered by a vehicle driver or can be operated without a driver, for example for cleaning areas, for the protection of the countryside or for intralogistics

Method and System for Cyber-Security Vulnerability Detection and Compliance Measurement (CDCM) provides any entity, organization or individual with access to or possession of sensitive, confidential or secret information, defined as “protected information,” in digital format that is received, processed, stored or distributed by a computer, computer system or digital processing equipment with the capability to detect and respond to cyber security vulnerabilities and to measure compliance with cyber-security requirements as established by the Federal Security Information Management Act (FISMA) for the security of protected information and certain additional related desirable or mandatory cyber-security requirements. In one sample embodiment of the invention, the method utilizes a damage assessment function; a security assessment function; a security plan or planning function; a training management function; a response management function; a cyber-security management function; a scoring measurement function; and a review and analysis function; to establish a quantifiable and definitive numerical measurement of the relative compliance of a specific processing system, at a specific point in time, to a defined and established threshold value of performance, or compliance acceptance, and to provide, assemble and be capable of archiving the supporting parameters, status, states and analysis that is specifically associated with the numerical value which represents the specific processing system's state of compliance at the specified time and to utilize various intermediate values and parameters to manage and enhance the performance of the specific system thereby improving the systems compliance score and numerical performance measurement value.

A process plant uses an asset utilization expert to collect data or information pertaining to the assets of the process plant from various sources or functional areas of the plant including, for example, the process control functional areas, the maintenance functional areas and the business systems functional areas. Some of this data, such as data indicative of one or more process parameters associated with a process entity like a furnace, may be used to estimate a degradation level, such as a coking level, of the process entity at a first time. The estimated level of the degradation of the process entity at the first time may then be compared to a predetermined desired level of degradation of the process entity at the first time and the operation of the process entity may be altered based on the comparison to drive the estimated amount of degradation of the process entity at a second time to be approximately equal to a predetermined desired level of degradation at the second time.

In a device for activating a lace-up traction device for a shoe (1), comprising a slider (22) and a hingeably held tension lever (9) which can be pushed down when the shoe (1) is put on, said tension lever (9) in the pushed-down state being lockable to the slider (22) and being unlockable by pushing the slider (22) forward; said slider (22) comprising a guide (37) for a rocker (39), which rocker (39) elsewhere is guided in a further longitudinal guide (26) and which rocker (39) is pre-tensioned in the direction of hingeing forward and upward by a spring arrangement (7), a simple and clear design as well as good functional safety are achieved in that the guide (37) comprises two branches (37a, 37b) arranged at an angle in relation to each other; in that the slider (22) comprises a stopping face (28), and the rocker (39) comprises an associated engagement element (41) by which the slider (22) can be moved to the rear, into the rear snap-in position; and in that the slider (22) comprises a guide (30), while the rocker (39) comprises an associated engagement element (41) by which the engagement element (41) of the rocker (39), which engagement element engages the guide (37), can be made to move to a position which is suitable for moving into the front branch (37a) of the guide (37).

A control and management system for defined areas such as loading docks, fire stations, and other designated defined areas, employs a card reader, vehicle sensing loop detectors and electric eyes, entrance door sensors and operators, truck securement devices, cameras, a control system with memory, and a wireless connection or internet / intranet connection, is provided to produce event log documentation. The event information is readily accessible by management or supervisory personnel, to see all of the recorded information concerning a specified event. Thus, an event can be readily reconstructed after the fact, using all available sensors and other information relevant to a manager or supervisor. This aids in locating lost packages, documents security procedures, preventing or detecting thefts and vandalism, and for other purposes. An alert can be issued whenever an abnormal or unauthorized event occurs during operations. A QR code reader can be provided for a cell phone with picture-taking capability, which communicates with the system to enable a person carrying the cell phone to scan QR codes at specified locations or on specified items or vehicles.

A T-BOX information security detection and protection method based on vehicle anomaly data monitoring comprises: classifying and summarizing vehicle faults, providing a universal vehicle fault tree model, collecting and comparing vehicle real-time data through T-BOX, monitoring vehicle anomaly data in real time, transmitting to a telematics service platform (TSP) constantly, determining change trends of operation parameters and states of each vehicle part and system through data fusion and through big data analysis based on vehicle driving historical information collected by a cloud terminal and vehicle main parts related information restored by a main engine plant, comparing vehicle real-time information transmitted by T-BOX, judging whether a vehicle has anomaly data or not at present, and determining whether the vehicle is under information security attack or not based on the established vehicle fault tree model; finally, notifications or warnings on fault problems due to vehicle functional security need to be made for users and vehicles by the TSP.

In a data communication system, data is transmitted from a control device to a communication interface and from there via a communication bus to additional communication interfaces of trigger devices. The communication interface on the control device side has inputs, to which signals from said control device and a disarming switch can be assigned. The disarming switch can be circumvented by a bypass switch which is controlled by the control device. The state of the signal at the inputs of the communication interface on the control device side is transmitted to coresponding outputs of the communication interfaces of the triggger devices. A trigger device has a safety unit which is used to test at least one trigger unit, when the state of the signal of the outputs authorizes such a test and the trigger voltage source is not yet charged wth the full trigger voltage. In said state, the safety unit also blocks triggering as soon as the trigger voltage has been reached. The inventive system ensures a high degree of functional safety and flexibility.

The present invention relates to a full functioning safety light bar and signal assembly. A light system that utilizes a wiring harness assembly is further equipped with one or more of the following lights: driving, brake / signal, flasher / emergency, reverse, marker, strobe, fog or illuminating lights. Electric sensors in the body of the light bar unit control strobe and illuminating lights. The device compliments a vehicle by matching the various sizes, width and depth of their bumpers. Extension bars with the light fixture assembly can be attached to the light bar units to add greater illumination upon backing up and collars or strips of friction reducing materials are attached on the hitch components, e.g., such as the exterior of the male tongue insert and the interior cavities of the male tongue insert helping to limit vibration or noise. Locked protective covers keep the lights or lens in the light bar units from becoming scratched or damaged. Further, the ability to store an extra set of keys in a lockable security compartment is another safety feature provided with the safety light bar.

The invention provides a design and realization method of a redundant and fault-tolerant safety instrument control system based on a fieldbus and ARM (advanced RISC machines), comprising the following steps: by virtue of redundant and fault-tolerant configuration of a system power supply, input modules, a CPU (central processing unit) and output modules, four core processors communicate with respective and corresponding I / O (input / output) modules by a CAN (controller area network) bus so as to carry out field signal acquisition and control command output, and hardware 2oo4 redundant and fault-tolerant voting is carried out on the output signals of four channels on an output voting module, so that mis-stop of the system caused by single-channel hardware failure is avoided, the function safety level of the redundant and fault-tolerant safety instrument control system is ensured to reach SIL3 (safety integrity level 3), in-time and fast response and protection are carried out on dangerous states of protected field equipment, further a production device enters a predefined working condition of safe stopping, and the safety of staffs, equipment, production and the device is guaranteed.

The invention discloses a fuel cell vehicle multi-source controller and a control method thereof. The fuel cell vehicle multi-source controller functionally comprises communication among a fuel cell engine controller, a vehicle controller and a vehicle intelligent control system; the fuel cell vehicle multi-source controller achieves interaction and control of input information between a fuel cellstack, a cell stack operation monitoring device, a cell stack operation environment control device, a controller body, an upper computer, a fuel cell system and the whole vehicle and the outside. Thefuel cell vehicle multi-source controller and the control method thereof solve the problems that the fuel cell engine controller and the vehicle controller of an existing fuel cell vehicle are independently designed and operated in software and hardware to impede resource integration, to result in resource waste as well as difficulty in cost reduction, to go against comprehensive demand design offunctional safety, electromagnetic compatibility, safety redundancy and intelligent control on chips and systems and to increase the system risk.

An approach is provided for managing network device configuration data by functional area. Functional areas supported by a network device are determined. A determination is also made whether a client and the network device support compatible configuration application program interfaces (APIs) for each functional area supported by the network device. User interface objects are generated and displayed on a graphical user interface (GUI). Each user interface object corresponds to one of the functional areas that is supported by the network device and for which the client and network device have compatible configuration APIs. A set of bulk editing functions allows changes to be readily made to multiple configuration data objects and to facilitate creating new configuration data objects.

The present invention discloses a residential house chart building structure recognition and functional area planning and designing method and system. The method comprises a first step of acquiring a residential unit vector diagram, wherein the residential vector diagram comprises walls and doors and windows, and walls and doors and windows form closed rooms; a second step of acquiring specific information about usage, walls and windows and doors of each closed room; and a third step of selecting a reference wall, traversing all walls, and recognizing building structures and planning and designing the functional areas in the closed rooms sequentially according to feature models of the residential building structure and the functional area structure, so as to form a residential vector diagram with all functional area names. According to the method, the functional areas beneficial to living are divided optimally by combining the feature models of the residential building structure and the functional area structure only according to the residential unit diagram or the residential unit vector diagram. The divided optimal functional areas are a reference for users or are used in household design later, and deliver a good effect.

An electronic hand hygiene compliance system and award indicator that provides realtime reporting of the percent number of hand hygiene events against a programmed target number of hand hygiene events for a given functional area over a given period of time, yielding hand hygiene compliance. The system keeps up to date compliance for an established group interval until the data is written over by compliance data for the same group interval the following day. In addition, a random hand hygiene event can be identified for a given functional area during a given period of time to trigger an alarm for encouraging hand hygiene activity for a given dispenser or group of dispensers.

A method of performing a functional test of at least one embedded sub-element of a wind turbine, the wind turbine being controlled by a control algorithm of a wind turbine controller, includes the steps of: executing a predefined event pattern activating at least one sub-element of the wind turbine, obtaining measure data on the basis of measurements of at least one sub-element according to the predefined event pattern, and relating the measure data to predefined reference data and establishing a test result indicating the condition of the embedded sub-element on the basis thereof. The predefined event pattern is executed by a test algorithm overriding the control algorithm of the wind turbine controller at least partly. It is a very advantageous feature according to the present invention that the sub-elements may be tested while being embedded in the wind turbine.

An electronic hand hygiene compliance system and award indicator that provides realtime reporting of the percent number of hand hygiene events against a programmed target number of hand hygiene events for a given functional area over a given period of time, yeilding hand hygiene compliance. The system keeps up to date compliance for an established group interval until the data is written over by compliance data for the same group interval the following day. In addition, a random hand hygiene event can be identified for a given functional area during a given period of time to trigger an alarm for encouraging hand hygiene activity for a given dispenser or group of dispensers.

A power supply control device for supplying power to a number of electrical devices from a single mains supply electrical outlet switch means adapted to connect an electrical supply from the supply electrical outlet to each of the controlled electrical outlets in response to the state of a master electrical device, a state sensor adapted to detect a functional state of the master electrical device, said sensor being adapted to distinguish at least three functional states of the master device. The master device may be personal computer with peripheral devices connected to the controlled outlets.

A visual positioning and multi-functional safety monitoring network system used in a mine well adopts a method of radio frequency information identification positioning. Workers and mobile equipment in the well are equipped with a radio frequency identification card. A single-stage or multi-stage information acquisition base stations are arranged in the well according to the distribution of operating districts, and various sensors are connected to sensor ports at the base stations based on the requirement of mine monitoring items. As a person carries the identification card when entering the well and the information acquisition base stations are arranged from a well inlet to every operating points, the card carried by the person will be read when the person passes each information acquisition base station, and the station will transmit the positioning information read from the card and the information of all monitoring parameters acquired by the sensors to a monitoring mainframe on the ground. Moreover, a set of multi-functional comprehensive monitoring system application software is used to realize the dynamic management and all-round safety monitoring of the person in the well.

An ESP variable speed drive controller functions in conjunction with a safety logic solver, dedicated pressure sensors and a surface emergency isolation valve, or safety shut-off valve (SSV), to perform a full functional test of the complete wellhead flowline system. The method includes the step of using a plurality of pressure transmitters to monitor the flowline pressure during normal operations and during a full stroke test of the safety shutoff valve and adjusting the speed of the downhole ESP during the test to maintain the pipeline pressure within predetermined safe pressure limits. This wellhead flowline protection system and method utilizes the downhole ESP speed controller and an SSV to ensure that dangerous pressure levels are not reached and provides for full functional safety testing of the wellhead system. The ESP motor speed controller is used to permit functional testing and remove the pressure source from protected downstream flowline piping.

The present invention relates to a system that ensures a self-guiding, electronic positioning of a secondary coil at a vehicle side, without the aid of indicators or kinematic or mechanical aids, in relation to a primary coil that is fixed at a a ground side, in order to guarantee a transfer of energy with over 90% efficiency without the disadvantages of moving, frictional and elastic components in terms of energy consumption, functional safety and wear. To achieve this aim, the coil housing at the ground side fulfils the role of an electronics housing, reflective element and cooling element thanks to the choice of material used, the surface and the inner supports and can thus be retrofitted, as a single installation at the ground side in the form of an operation-ready complete package, to any flat base with an electric connection. The vehicle can be used both for transporting passengers and loads and can be steered by a vehicle driver or can be operated without a driver, for example for cleaning areas, for natural protection or for intralogistics.

A system and a method of providing a visual interface for creating, maintaining, and reviewing the results of, automated functional tests of software applications that includes screen views for each window automated within the application under test. The system and method provide a visual interface for creating and modifying functional tests of software applications geared for novice users. The visual interface includes a screen preview, test steps, properties and a storyboard. A test logic builder interface enables novice users to add logic, including verification and synchronization, to their visual test transactions without having to understand programming concepts.

The invention provides a microfluidic chip for capturing and identifying circulating tumor cells. The microfluidic chip comprises a three-layer structure sequentially stacked and sealed to each other, wherein the three-layer structure comprises a microvalve control layer, a microvalve film layer and a substrate with multiple functional areas from top to bottom, respectively; the micro-valve control layer is provided with a hole penetrating through the control layer for the sample inflow and outflow, and a gas passage for the gas introduction; the micro-valve film layer can bend to deform under the control of pressure in a thin film layer area corresponding to the gas passage; and the substrate contains three functional areas, respectively an impurity filtration area, a cell separation area and a single cell localization and fluorescence identification area. The three functional areas are connected by three fluid passages, and the opening and closing of each fluid passage are controlled by a separate gas microvalve. According to the invention, the capture, identification and automatic counting of circulating tumor cells in the blood of cancer patients are realized, and an effective means is provided for analysis of the circulating tumor cells.

Provided is a process, including: obtaining a model of an application program interface (“API”); receiving a request to generate a functional-test specification for the API; detecting sets of functionality identified by the model of the API and respective sets of parameters corresponding to the detected sets of functionality by parsing the model of the API; in response to receiving the request, generating the functional-test specification for the API by, for at least some respective detected sets of functionality, specifying respective sets of functional tests based on corresponding sets of parameters.

In a circuit for safe forwarding of a physical or technical variable between at least two systems in communication with one another, which variable is represented by the value of a loop current (Is), which is adjusted by a control unit (11) by means of a current output circuit (13) in a current loop (20, 60), the current output circuit (13) has at least two parallel-connected final control elements (131, 132), controllable by the control circuit (11), as current sources for mutually independent adjustment of a value of the loop current (Is). The final control elements (131, 132) are in series with at least two likewise series-connected measurement resistors (133a, 133b). The voltage, proportional to the loop current (Is), dropping via at least one but not all of the at least two measurement resistors is fed back to the control unit (11), which compares the value of this voltage with the corresponding value of the loop current, which value is specified to at least one of the final control elements, and in the event of deviations, via a predeterminable threshold, allocates an fault value corresponding to the NAMUR recommendation NE043 to the loop current via the first final control element (131), and in the case of failure of the first final control element (131) via the second final control element (132). A monitoring circuit (17) is provided, which in the event of failure of the control unit (11) allocates an fault value that likewise corresponds to the NAMUR recommendation NE043 to the loop current via the second final control element (132). The invention, compared to embodiments based on the principle of redundance, thus makes it possible to disclose a more-favorable embodiment for monitoring and signalling faults, which makes do with only one current path. The circuit may be designed in that way. By additional wiring, the demands in terms of explosion protection by intrinsic safety, functional safety (up to at least SIL 2), HART communication, and a standardized interface in accordance with NAMUR recommendation NE43 with an upper fault current (greater than 21 mA) and a lower fault current (less than 3.6 mA) and an active mode (current source) and passive mode (current sink) can be met at the same time.

A method of managing an electronic microcontroller system, the microcontroller system including: two processors with a first processor configured for execution of a nonsecure application exhibiting a nonguaranteed level of functional security and integrity, and a second processor dedicated to execution of a secure application implementing code and data, and involving a guaranteed level of functional security and integrity, the secure application to implement a security function; and a mechanism to access to a shared memory space. The first processor includes a unit for managing the memory configured to implement a write access control, to manage write access to the shared memory space, that is not modifiable when the secure application implements its security function.

The invention relates to the field of power system devices, in particular to a test method for a novel converter valve module. Before each converter valve leaves a factory, a routine test needs to be performed, wherein the most important item in the routine test is a functional test which is used for checking whether the thyristor level electric wiring of the converter valve module and thyristor electric equipment (TE) are normal. The invention discloses a novel design method for the functional test. A test circuit comprises an alternating current power supply, an alternating current filter, an isolating switch, a voltage regulator, an isolating transformer, a current limiting resistor, an insulated grid bipolar-type power tubes (IGBTs) which are connected in series positively and negatively, an impulse voltage generator and a test platform. The work of the test circuit is that: unified control is performed through the test platform; a test voltage is provided for a thyristor level by the alternating current system circuit; the on-off state of a loop is controlled by the IGBTs so that the voltage and the current applied to the thyristor level change; and the impulse voltage generator is used for providing an impulse voltage for the thyristor level.

A multi-functional safety valve comprises a valve body, an air-oxygen mixing cavity, a control gas chamber and an exhaust chamber, an air-oxygen input, an air suction port, an exhaust port and a gas control port are arranged on the valve body, the air-oxygen input and the air suction port are communicated with the air-oxygen mixing cavity, the exhaust port is communicated with the exhaust chamber, the gas control port is communicated with the control gas chamber; an air suction valve and a pressure reducing valve are arranged in the body, the air suction valve is sealed or the air-oxygen mixing cavity and the exhaust chamber are conducted by the action of the pressure reducing valve, the multi-functional safety valve further comprises: a two-position three-way electromagnetic valve, a first end thereof is connected with a gas source, a second end is connected with the gas control port and a third end is communicated with atmosphere; a pressure sensor, which is arranged in the air-oxygen mixing cavity and transmits a signal to a microprocessor according to the gas pressure in the air-oxygen mixing cavity; and a microprocessor, which controls the on-off of the two-position three-way electromagnetic valve according to the signal which is transmitted by the pressure sensor. Therefore, when the air suction pressure is super high or super low, a power supply is switched off and other accidents occur, the multi-functional safety valve can form the automatic protection, thus protecting the safety of a user of a respirator.