204 results about "Safety assurance" patented technology

An electronic intermediary electronically connects with a medical device manufacturer and regulatory agencies, collects and processes electronically product life cycle safely related events and information from a medical device manufacturer. The electronic intermediary processes the information collected electronically, integrates, generates, maintains, presents and distributes the risk management file and safely assurance case through the product life cycle using, linking, and connecting the collected and processed data.

A flexible system capable of utilizing data from different monitoring techniques and capable of providing assistance to patients with diabetes at several scalable levels, ranging from advice about long-term trends and prognosis to real-time automated closed-loop control (artificial pancreas). These scalable monitoring and treatment strategies are delivered by a unified system called the Diabetes Assistant (DiAs) platform. The system provides a foundation for implementation of various monitoring, advisory, and automated diabetes treatment algorithms or methods. The DiAs recommendations are tailored to the specifics of an individual patient, and to the patient risk assessment at any given moment. A central data exchange node or server collects patient data from individual DiAs devices and provides safety assurance, monitoring, telemedicine and database building for the DiAs system.

The invention relates to a multi-protocol industrial communication safety gateway and a communication method with the gateway applied. In the data communication process, a source gateway encrypts data through a secret key management mechanism module and a VPN encryption and decryption module and then sends the data to a target gateway. The target gateway decrypts the data through the VPN encryption and decryption module, and provides safe detection and control service for data communication through a safety domain safety protection module; if the data are safe, secret key decryption is carried out on application layer data, the types of the application layer data are judged, an application management safety module is used for management if the application layer data are application management data, and an application layer message detecting and filtering module is called for detecting and filtering messages if the application layer data are application layer messages. The mode of combination of the VPN encryption and decryption, the secret key encryption and decryption, and the application layer message detecting and filtering is adopted for communication safety assurance; the safety domain safety protection and the application safety management are adopted for gateway application safety assurance.

The invention discloses a cloud storage safety-ensuring method and a system of the cloud storage safety-ensuring method, and belongs to the technical field of computer storage and information security. The cloud storage safety-ensuring method and the system of the cloud storage safety-ensuring method solve the problem that an existing cloud storage system is short of safety assurance. The cloud storage safety-ensuring method comprises a client terminal process, a storage end process, an auditing end process and a safety management end process. The cloud storage safety-ensuring system comprises a client terminal module, a storage end module, an audit end module and a safety management end module. The cloud storage safety-ensuring method and the system of the cloud storage safety-ensuring method adopt an evidence mode and a visit controlling mechanism based on attribution encryption, achieve high-efficiency extensible visit control, solve the problem that access control of a large amount of user visiting of a large amount of data is complex, provide safety assurance for the cloud storage system, and greatly reduce access control cost of the storage end due to the fact that the storage end only needs an access control tree of stored files.

An apparatus, system and method to automate an interactive quality control inspection process. The apparatus may query a user for a response to an audit question integral to a quality control inspection process, such as, for example, a regulatory compliance question or a standard operating procedures question. The apparatus may determine, based on the response, compliance with predetermined quality control criteria. To maximize data security and privacy, the response and/or the predetermined quality control criteria may be stored in a storage device under the exclusive control of the user, and access to such information may be restricted to authorized users according to access rights. Further, the apparatus may facilitate quality and safety assurance by conditioning continuation of the quality control inspection process on completion of a corrective action where the response fails to comply with the predetermined quality control criteria.

The invention is applied to the communication safety field, providing an E-mail encrypting and decrypting method and system, and the method comprises the steps of: receiving input encryption cipher information and selected folder information in mainbox; adopting encryption algorithm to generate encryption cipher according to the encryption cipher information and encrypting the selected folder in mailbox. Thus, the method provides secondary cipher protection for E-mail in encrypted folder, and assures E-mail security, and especially provides full safety assurance for users' important and private data.

A process for evaluating space systems for safety assurance and residual risk to the flight crew. The process includes a success oriented System Safety phase which attempts to reduce the probability of failure with respect to the loss of a crew member as low as practical; a failure oriented SPACESAFE phase which assumes that at least one Safety Critical Subsystem has failed and attempts to engineer a risk mitigation design minimize adverse effects on the crew; and an Integration phase which complimentary integrates the System Safety phase with the SPACESAFE phase. Such process allows for increased flight crew safety by minimizing risk of a failures that contribute to loss of a crew member.

The invention discloses an anti-mistaken stepping device of an automobile accelerator. When performing emergency braking, the anti-mistaken stepping device controls a servo motor to drive a brake pedal through a DSP so as to precisely control the brake pedal pull speed and angle to precisely control the brake process of the automobile. The whole system has higher reliability and response speed; the DSP controls an automobile microcomputer controller to close a a throttle valve, so that the response speed is very fast; because the anti-mistaken stepping system is usually used for the emergency situation, the response speed of the system is very important, and the higher response speed further improves the safety assurance for the driver; the DSP serves as a signal processing controller, and an acceleration sensor and a radar sensor are directly connected with the DSP; compared with a single chip, the integration level of the DSP is higher, the CPU is faster, and accordingly the response speed and the reliability of the system are higher.

The invention is an elevator up-going clamping rope device installed between the tract wheel and guide wheel or right under the guide wheel. The steel wire crosses the device from the center. It is for the amendment of failures and safety assurance, includes steel wire clamping mechanism and trigger mechanism. The clamping mechanism has a fixed wedge and an active wedge symmetrically arranged in front and back side of the steel wire. The trigger mechanism consists of transient trigger, clasp board and the trigger pole fixed between and with the two clasp boards; the clasp board links with the active wedge hanging by active key, the trigger wire is fixed to the trigger pole, links to the elevator speed governor, is manually resettable by lift upwards slightly the pole after inserted into the hole previously made in the active wedge. The invention is of light trigger force, short trigger trip, adjustable brake force, many features such as tight structure, small size, light weight, easy to reset and so on. The clamp will become tighter and tighter when the elevator travels on inertia.

The invention discloses a preparation method of biological preservative farci flour products, comprising wrappers raw material formed by wheat flour and fillings respectively combined with meat, seafood, vegetables, oil and seasoning. The flour product has the characteristics that composite preservative formed by the combination of microbial-derived preservative, anima-derived preservative and plant -derived preservative is added into the filling; in the preparation method, modified atmosphere technology is set to improve the quality assurance and safety assurance coefficients and product preservation more effectively under normal temperature, thus ensuring the quality guarantee period of 'Goubuli' Baozi can be equal to or more than 90 days at normal temperature; and the biological preservative food is stored, transported and sold at room temperature (below 25 DEG C), thus thoroughly bringing no quality and food safety hazards to food. Biological preservative foods are used for replacing frozen convenience foods, thus reducing the cost and energy consumption brought by the whole cold chain operation in the storing, transporting and selling processes of the products.

The invention discloses a flexible shield support excavation integrated supporting coal-pillar-free mining method of a steep medium-thickness coal seam. Flexible shield supports the same as those on a working face are used in a section drift for supporting; flexible shield supports of a section air return drift above the working face are naturally transited into the working face; flexible shield supports in the working face are naturally transited into a goaf below the working face to be maintained into a section transport drift which serves as an air return roadway of a lower section; the section air return drift is not tunneled any longer during recovery of the lower section; at the same time, a procedure of mounting and removing the flexible shield supports on the working face is canceled; mounting and removal of chambers and roadways related to subsidiary transport on the working face are canceled; the workload is reduced; the yield is increased; the advance speed of the mining working face is increased; normal replacement between the upper and lower sections is ensured; section coal pillars are canceled; a recovery ratio is increased; the natural fire danger in the goaf is reduced; and a reliable safety assurance is provided for the recovery work.

The invention discloses an intelligent vehicle control method and system based on fatigue monitoring. The method comprises the steps that after physiological signals of a driver are collected, in the vehicle driving process, the fatigue degree of the driver is judged according to the physiological signals of the driver, if it is mild fatigue, the driver is prompted, and if it is severe fatigue, the driver is prompted, at the same time, the driving assisting function is started and a hazard warning lamp is turned on, so that a safety assurance is effectively provided for persons in a vehicle during the period from the fatigue state to the wide-awake state of the driver; and when the vehicle stops, the quality signals of air in the vehicle are collected, the personal safety degree of the driver is judged according to the physiological signals of the driver and the quality signals of air in the vehicle, if hazard exists, the driver is prompted, and if it is dangerous, the driver is prompted, and at the same time, vehicle windows are opened, so that the persons in the vehicle are prevented from being harmed by harmful gas and the safety assurance is effectively provided for the persons having a rest in the vehicle.

The invention is a wedge block safety device for a high-altitude lift platform: a wedge block is constituted between a fixing component (1) and a lift platform (2); the wedge block (6) is positioned in a wedge slot (5); a single acting oil cylinder (9) is connected with the electromagnetic valve of a hydraulic system and controls the movement of the wedge block (6); the friction ratchet wheel (13) of a wedge controller (4) contacts the surface of the fixing component (1) to sense the descending movement of the lift platform (2). When the lift platform descends at an ultra speed, a input shaft (22) rotates rapidly so that the centrifugal force forces a mass block (27) to move outward and thus drive a wheel hub (31) and an output shaft (23) to rotate; the electromagnetic valve is powered off by a contact arm (26) and then the single acting oil cylinder (9) is turned on to return oil; the wedge block (6), driven by a cylinder spring, moves upwards to tightly press the wedge slot (5), thus braking the operation platform from ultra-speed descending. The invention is characterized in compact structure, low manufacture cost and high reliability, thus being suitable for use as the safety assurance device for major high-altitude elevators.

The invention relates to a method for manufacturing and identifying ultraviolet bar codes. The method comprises the following steps: forming a bar code pattern of bar codes containing information in a printing system by a digital ink-jet printing technology; uniformly spraying ultraviolet printing ink on a medium surface according to the bar code pattern by a digital printing system; emitting ultraviolet light to the medium surface by an ultraviolet light source and exciting the ultraviolet printing ink to emit visible light; receiving the visible light by a bar code recognizer, filtering the ultraviolet light by a polarized light intercepting technology to enable the visible light to enter a sensor of the bar code recognizer; and decoding the bar code pattern by a decoder in the bar code recognizer to restore and identify the information form the bar code. Compared with the prior art, the invention has the advantages that the novel anti-counterfeiting method improves the safety assurance capability of social data, is combined with two-dimensional bar codes to add the anti-counterfeiting data capability unrecognizable for naked eyes, adopts the anti-counterfeiting technology with low cost and is easy to widely use.

The invention relates to the field of information safety, and discloses a method for establishing an anti-attack public key cryptogram. The method includes a shared key generating method. The shared key generating method includes the following steps that (11) an infinite non-communicative group G is established; (12) both parties in an agreement select two elements of the G as private keys; (13) the party B in the agreement calculates y and sends the y to the party A in the agreement; (14) the party A in the agreement calculates x and z and sends (x, z) to the party B in the agreement; (15) the party B in the agreement calculates w and v and sends the (w, v) to the party A in the agreement; (16) the party A in the agreement calculates u and sends the u to the party B in the agreement; (17) the party A in the agreement calculates KA, and the party B in the agreement calculates KB; therefore, the shared key K=KA=KB is formed. Safety assurance of the established public key cryptographic algorithm depends on unsolvability of a problem, and therefore the method has the advantage of being resistant to quantum computing attack.

An apparatus and method for train control utilizing virtual lock stepping are disclosed. In accordance with the illustrative embodiment, an improved method of train control utilizes identical software applications executing on redundant processors. The redundant processors are maintained in virtual lock step to ensure the safety integrity of the overall system being controlled. In accordance with the illustrative embodiment, one software process is a master and one software process is a slave. The master and the slave both independently execute application logic based upon detected events (e.g., input data, etc.). In order to ensure that any anomalies that might result in a hazard are detected in the timeliest manner, and that false anomalies are minimized, the redundant software processes must process the same event within a specified time frame.

The invention discloses a passive heat removal system of a boiling-water reactor based on the characteristics of a nanometer fluid and belongs to the technical field of equipment and safety of nuclear power stations. The system consists of a valve controller, a water tank, a circulating pipeline, a valve and the like. In the case of unavailability of a station power supply, the quick removal of heat in the boiling-water reactor is realized by using the higher heat transfer characteristic and lower viscosity coefficients of the nanometer fluid and higher natural circulation capacity. The aims of preventing radioactive materials from being discharged and protecting the public and environments are fulfilled. When a severe accident occurs, a safety assurance function is executed and realized. The system is good in backup safety, simple in flow, stable in performance, high in reliability, convenient for implementation and simple to control.

The invention relates to a floatable novel Internet real-time chat method based on a browser. A chat interface can float on a browser page, and in addition, during the real-time chat, an ejected two-person or multi-person chat window can float on the browser page. The floatable novel Internet real-time chat method has the beneficial effects that the personnel computer resources of users are not occupied, an internal memory and a hard disc are not occupied, the speed is high, and the use is convenient. Because of the adoption of a mode based on the browser, personal accounts, files and chat contents realize good safety assurance, the stolen phenomenon is difficult to occur, in addition, a chat interface and a chat window float on the page in a functional aspect and can be freely dragged, the style conforms to the human nature, and good user experience is realized.

The embodiment of the invention provides a double-hook safety belt and a safety management system. The double-hook safety belt comprises a portable controller, a safety belt fabric, two intelligent hooks and a D-shaped ring, the portable controller is arranged on the safety belt fabric, the D-shaped ring is arranged at the rear part of the safety belt fabric, and the two intelligent hooks are bothconnected with the D-shaped ring through safety ropes; the portable controller is used for detecting the current operation height and sending a locking instruction to the intelligent hooks when the current operation height is higher than preset operation height information; and when the intelligent hooks receive the locking instruction, a locking execution mechanism is started, the two intelligent hooks continuously perform unhooking detection, and if the two intelligent hooks are detected to be unhooked, a unhooking alarm is sent to the portable controller, so that the portable controller sends the unhooking alarm. The safety guarantee of operating personnel in the moving process is effectively guaranteed, the unhooking detection is continuously carried out, whether at least one hook ison a hanging point or not is automatically detected, and the personal safety of the operating personnel is better protected.

The invention relates to electronic equipment, a surgical robot system and a control method of the surgical robot system, and aims to acquire a system safety state according to the states of a masterend and a slave end and send out corresponding safety prompt information and/or safety processing measures according to a system safety result in combination with a preset system safety strategy. Therefore, an operator can acquire the abnormal state of the surgical robot system according to the safety prompt information conveniently and/or in an assisted mode, and can take corresponding safety processing measures, so that abnormal movement of the surgical robot system is prevented, the safety of a patient is ensured, and the safe and smooth operation process is ensured.

The invention discloses a concrete pole operation platform which is used for providing safety assurance for the operation of transmission line construction personnel. The concrete pole operation platform comprises a cross beam, platform pedals, a supporting frame and a concrete pole hoop. The platform pedals are arranged on both ends of the cross beam. The middle part of the cross beam and one end of the supporting frame are fixedly assembled. The other end of the supporting frame and the concrete pole hoop are assembled through a bolt component. According to the invention, the construction personnel can operate according to a construction process; the construction quality is ensured; the construction time is reduced by 1/3; the construction efficiency is improved; and hidden dangers of safety production are eliminated.

The invention discloses an FPGA aging test system and a circuit configuration method thereof. The FPGA aging test system comprises multiple aging boards, a power distribution board and a configurationand monitoring board, wherein the multiple aging boards are placed in an aging temperature box, each aging board comprises a plurality of FPGA chip sockets, a power supply interface and a crystal vibrator, and excitation is provided for the aging board; the power distribution board is placed outside the aging temperature box and provides multi-way independent power for each aging board; and the configuration and monitoring board is arranged outside the aging temperature box and comprises a PROM configuration chip. In the aging test, a plurality of different FPGA chips are placed in the FPGA chip sockets in the aging board and through the PROM configuration chip of the configuration and monitoring board, one PROM is controlled to simultaneously configure the plurality of different FPGA chips in a passive serial mode. The system is applicable to different FPGA chips with the same packaging, universality is realized, the number of required nonvolatile storage devices is saved, and through introducing a state monitoring system and safety assurance measures, the chip state during the aging process can be monitored in real time.

A novel and useful safety functionality assurance mechanism incorporating an RF built in self-test (RFBIST) system in a radar system having a plurality of transmitter devices and receiver devices. The RFBIST functions to verify, inter alia, that the transmitted signal is operating correctly and that all channels transmit a proper, valid or ‘legal’ signal and that the receiver devices are also operating correctly. A higher level of safety assurance is achieved by comparing safety data between the receiver devices. In one embodiment, the signal received from the various transmitter devices is compared. The RFBIST circuit block eliminates the physical transmit antenna position properties to compare the transmitted signal properties after signal path elimination. Thus, the present invention is capable of (1) validating multiple transmitter devices with a single receiver device and (2) validating multiple receiver devices with a single transmitter device. When receiver devices detect a fault and that particular device is the master device, then a mechanism is provided to shut down the master device and making a slave device the new master device.