1076results about How to "Improve safety performance" patented technology

The invention discloses a Bluetooth door lock system based on an intelligent terminal, and a control method of the Bluetooth door lock system. A door lock APP is connected with a Bluetooth door lock and is used for identifying the UUID of the Bluetooth door lock and feeding the UUID back to a network server so as to realize user registering, equipment registering, encryption control, decryption control and authorized unlocking; the network server is used for saving user registering information and equipment registering information, performing user identity identification, and processing information fed back by the door lock APP. By the adoption of a dual-verification mode of user identification and door lock key, a safety guarantee is provided for a Bluetooth door lock user to the maximum extent. Meanwhile, a common user can apply for an unlocking authentication to a manager through a network service provided by the network server, and the user passing through the unlocking authentication opens a door lock with a door lock key; therefore, an unlocking program of the door lock in a public place is greatly simplified.

The embodiment of the invention discloses an ATM (automatic teller machine) clearing and cash replenishing control system and method. In one embodiment of the invention, the ATM clearing and cash replenishing control system comprises a server side, a plurality of ATM sides, a plurality of handheld PDA terminals and a plurality of cash boxes to be replenished with cashes; the ATM sides are networked with the server side; the handheld PDA terminals are networked with the server side; the server side is used for generating the cash replenishing task and processing and managing the data of the cash replenishing task; the ATM sides are provided with ATM cash boxes, dynamic password locks and electronic keys; the handheld PDA terminals are used for realizing the typing-in of data in the whole clearing and cash replenishing process; electronic tags are adhered to the cash boxes to be replenished with cashes; and the unique cash box number, the name of the network to be replenished with cashes, the number of the network agency and the serial number of the ATM are stored in the electronic tag. A hardware information integration system is used for intensively and dynamically managing the data generated in the clearing and cash replenishing process of the ATM, and in addition, an efficient cash replenishing security authentication mechanism is provided so that the clearing and cash replenishing efficiency and security of the ATM are improved.

In a communication system having a first communication device and a second communication device for carrying out communications by setting up a communication link, the identification code generated at one of the first and second communication devices is presented to the other, and the authentication data are generated by using this identification code at the both of the communication devices, so that the illegal acquisition of the identification code can be prevented and the security performance can be improved.

The invention provides an electric monocycle which is provided with a frame, a main wheel, a pressure sensor, a gyroscope and a central processing unit. The electric monocycle is characterized in that a speedometer and two sets of balancing devices are further included, and the speedometer is connected with the main wheel and the central processing unit and used for detecting monocycle speed information and transmitting the monocycle speed information to the central processing unit; the balancing devices are symmetrically arranged on the two sides of the frame, and comprise telescopic components and auxiliary wheels, the telescopic components are connected with the central processing unit and can be lengthened or shortened, the auxiliary wheels are connected with one ends of the telescopic components, and when the central processing unit judges that the monocycle speed is larger than a high monocycle speed threshold value, the central processing unit sends a shortening instruction to the telescopic components, the telescopic components are shortened to the minimum according to the shortening instruction, and the auxiliary wheels are made to be away from the ground; when the central processing unit judges that the monocycle speed is smaller than a low monocycle speed threshold value, the central processing unit sends a lengthening instruction to the telescopic components, the telescopic components are lengthened, and the auxiliary wheels and the main wheel are on the ground. According to the technical scheme, the electric monocycle is high safety performance, high in adaptability to road conditions, not likely to fall off and suitable for being used by various people.

The invention discloses a near field communication (NFC) terminal with a security mechanism. The terminal comprises a smart card, a security control unit, an NFC antenna, an NFC controller, a control switch and a baseband processor, wherein the control switch is used for controlling the security control unit to open and close; the baseband processor is provided with an ADC (Analog-to-Digital Converter) unit for detecting the switching state of the control switch; the NFC controller is connected with the baseband processor; and the NFC controller is also connected with the smart card and the ADC unit through the control switch respectively. In the near field communication terminal with the security mechanism, the control switch is arranged on a power supply channel of the NFC controller and the security control unit, and the state of the control switch is detected through the ADC unit in the baseband processor to prompt a user to control the switching state of the control switch, so that the security performance of the near field communication terminal is improved, and false deduction of the NFC terminal is prevented.

The invention discloses a system interaction method based on a trusted computing platform with a double-system structure. The trusted computing platform is characterized in that the trusted computingplatform comprises a computing subsystem and a protection subsystem which are parallel, the computing subsystem is used for completing a computing task, and the protection subsystem is used for carrying out active measurement and active control on the computing subsystem according to a trusted strategy through a trusted platform control module; the system interaction method comprises the steps that the protection subsystem obtains host resource information of the computing subsystem through the host resource access interface and directly controls the computing subsystem, and/or the protectionsubsystem and the computing subsystem conduct information transmission and cooperative control through the communication interaction interface. According to the system interaction method provided by the invention, the protection subsystem obtains the host resource information of the computing subsystem through the host resource access interface and directly controls the computing subsystem, and the protection subsystem and the computing subsystem can also perform information transmission and cooperative control through the communication interaction interface.

The invention relates to a height-adjustable operating stable for a digital controlled milling machine. The height-adjustable operating stable for the digital controlled milling machine comprises a cross rod, a cylinder and an input table; the cross rod is rotatably installed on the lathe; the cylinder is downwards reversely installed on the cross rod; the input table is fixedly installed on the protruding end of the cylinder. The input table of the digital controlled milling machine can be upwards and downwards moved for conveniently operating by the operators with different heights, avoiding using the benches or heel blocks to increase the height, reducing the potential risk, and improving the safety performance.

The invention discloses a frontal and off-set collision energy absorption device and an automobile with the same. The energy absorption device is arranged at front end of an automobile frame, and comprises two longitudinal beams of energy absorption, one crossbeam of energy absorption, two supporting crossbeams, and two longitudinal beams of auxiliary energy absorption, wherein, a plurality of energy absorption bars and pilot holes are respectively arranged on the two longitudinal beams of energy absorption. The frontal and off-set collision energy absorption device can effectively induce sequential metal plastic deformation of a bearing carrier, which efficiently absorbs more than 80% of collision energy in a high-efficiency frontal collision energy absorption device; and during offset collision, longitudinal beams of unilateral collision energy absorption and longitudinal beams of auxiliary energy absorption efficiently absorb more than 70% of the collision energy, and transfer 20% of the collision energy to a non-collision by crossbeams, thus effectively reducing acceleration of an car body and passengers within a certain living space for the passengers, and reducing personal injury of the passengers caused by the frontal and off-set collision of the automobile.

The invention discloses a cloud data security storage and management method. An exclusive client has been subjected to multiple protection. The method comprises the following quintuple security protection: MAC (Media Access Control) address verification, local verification of a user name, secondary verification of the user name and a password in a cloud network system, display of only file abstracts and shortcut icons of cloud data in a local file folder, and encryption and decryption using the ID (Identity) of the exclusive client per se. The problem that personal data on the cloud network system is extremely vulnerable to threat due to theft of the user name and the password existing in the conventional cloud data storage and application is effectively solved.

The invention discloses a document encryption and decryption method, device and system. The document encryption and decryption method comprises the steps of receiving an electronic document downloading request sent by a client side; generating an encryption secret key, encrypting file content corresponding to a document identifier by utilization of the encryption secret key, and generating an encrypted document; reading a stored user public key according to user information, and encrypting the encryption secret key to generate secret key information by utilization of the user public key; correspondingly storing the document identifier and the secret key information; and sending the encrypted document to the client side. An electronic document after being downloaded by a user is the encrypted document, the encryption secret key is obtained through the fact that a user private key in certificated equipment needs to be used for decrypting the secret key information stored in a server, and then the encryption secret key is used for decrypting the encrypted document to obtain the electronic document. Even the encrypted document after being downloaded is divulged, due to the fact that the certificated equipment is unavailable to be connected to the server to conduct decryption on the downloaded encrypted document, the content of the electronic document can not be read, and due to the fact that the electronic document is stored in an internal memory and can not be copied directly, safety performance is high.

The invention provides a method for estimating the residual capacity of a battery pack of an electric car. The technical problem that a battery pack of an existing electric car cannot be subjected tocapacity estimation can be solved. The method comprises the following steps that S100, remote monitoring data of the electric car in the whole car operation process are obtained; S200, the battery pack temperature, the SOC, the operation time, the operation mileage and the operation state in the remote monitoring data are extracted and compared; and S300, according to the comparison result in thestep S200, the attenuation life and the operation life of the battery pack of the electric car are estimated by combining cycle life data of selected battery cells of the whole car and battery cell calendar life data. According to the method for estimating the residual capacity of the battery pack of the electric car, the residual life of the battery pack is estimated according to the actual operation state of the car, thus the current health state of the battery pack can be visually reflected, and safe use of lithium ion batteries is further enhanced.

The invention discloses a network system for realizing integrated security services, which comprises the classification separation of data transmission, the security, confidentiality and the QoS (quality of service) guarantee of application services, the integrated security protection of the network system and network management. The network system has the advantage of integrated design of the data transmission, the security protection and application services, thereby constructing a high-efficient security network platform with the QoS guarantee capable of bearing various types of services. Integrated network security is to apply security protective measures in all aspects of network communication and make the security protective measures mutually cooperate and support to guarantee security performance and communication efficiency; and the integrated network services support integrated services such as voice, video, data and the like and guarantee security and QoS of various types of services.

The invention provides a balancing device, which comprises a movable counterweight device, a drive mechanism, an induction device and a controller, wherein the movable counterweight device is arranged on a vehicle body, and is provided with a movable counterweight block; the drive mechanism is in drive connection with the movable counterweight block; the induction device is used for measuring the tilting angle of the vehicle body; and the controller is in signal connection with the induction device, judges the tilting direction of the vehicle body according to the tilting angle and controls the drive mechanism to act to drive the movable counterweight block to move towards a direction opposite to the tilting direction of the crane. The invention also discloses the crane with the balancing device. The balancing device provided by the invention can effectively ensure the stability of the crane in a running process and reduce the occurrence of overturning accidents.

The invention provides an electrolyte additive. The additive is a pyridine compound with a special structure, and can improve comprehensive performance of the battery containing the electrolyte additive. The additive not only improves the safety performance of the battery, but also improves the high-rate discharge performance, cycle performance and high-temperature storage performance the batterycontaining the electrolyte additive.

The invention relates to a seaweed fiber blending flame-retardant garment plus material, which is characterized in that the seaweed fiber blending flame-retardant garment plus material is formed through blending and weaving the following ingredients in percentage by weight: 30 to 50 of seaweed fibers, 20 to 40 of aramid fibers, 25 to 30 of chinlon and 1 to 10 of conductive fibers. A production method comprises four major production process steps of spinning, weaving, dyeing and later-period sorting. The characteristics of the seaweed fiber, the chinlon and the aramid fiber are utilized, in addition, the conductive fibers are added for eliminating the static influence on the plus material, the flame-retardant performance of the seaweed fiber blending flame-retardant garment plus material is good, the safety performance is high, the elasticity is good, wear resistance, moisture absorption, breathability, softness and comfort are realized, the static is avoided, and the seaweed fiber blending flame-retardant garment plus material is particularly suitable for garment plus materials for better meeting the requirements of people.

The invention discloses a lithium-ion secondary battery, which comprises a positive plate, a negative plate, an isolation membrane arranged between the positive plate and the negative plate, and electrolyte; the positive plate comprises a positive pole current collector and a positive pole active material distributed on the positive pole current collector; the negative plate comprises a negative pole current collector and a negative pole active material which is distributed on the negative pole current collector; and an insulating oxide layer is distributed on the surface of the positive plate. In the invention, the insulating oxide layer in the lithium-ion secondary battery can prevent the positive pole current collector from contacting the isolation membrane directly, absorb the HF in the electrolyte and inhibit the HF from damaging the positive pole and the negative pole, thereby effectively improving the safety property of the lithium-ion secondary battery.

The invention relates to a minicar impact-proof beam energy absorption box capable of controlling impact energy absorption and residual deformation, which is used for solving the problem of the energy absorption of a front impact-proof beam and comprises a transverse beam and energy absorption boxes symmetrically arranged on both sides of the transverse beam, wherein the improved energy absorption boxes are provided with bulged and concave guide tendons regularly distributed; the bulged guide tendons and the concave guide tendons are alternately arranged on the side walls of the energy absorption boxes; the positions of the bulged and the concave guide tendons on the two relative side walls of the energy absorption boxes are corresponding; and the positions of the bulged and the concave guide tendons on the two adjacent side walls of the energy absorption boxes are corresponding. The invention has the advantages that the guide tendons regularly distributed are successively squashed and absorb energy when the front impact-proof beam of an automobile is impacted through the optimization design of the guide tendons arranged on the energy absorption boxes, and the front impact-proof beam presents an S-shaped squashing type when deforming; the energy absorption can be satisfied, and the height of the energy absorption boxes after deforming can be effectively overlaid and supported at the same time; the residual deformation of the energy absorption boxes after squashing can be guaranteed; and the deformation mode of the energy absorption box basically coincide to the expected design through CAE analysis and test confirmation.

The invention discloses an intelligent home system, comprising a remote terminal, a home server, a home controller and intelligent home equipment, wherein the remote terminal is connected with the home server by an internet or 3G network; the home controller is connected with the home server by the internet or 3G network; the home controller comprises a sampling module, a control module and a communication module; the sampling module is used for acquiring a current signal of the intelligent home equipment and sending the current signal to the control module; the control module is used for receiving the current signal of the sampling module so as to compare with a preset value, sending a control instrument to the intelligent home equipment by the communication module according to a compared result and controlling the switching on and switching off of the intelligent home equipment; and the communication module is used for receiving the control instruction of the control module and issuing the control instruction to the intelligent home equipment. The intelligent home system disclosed by the invention has the advantages that the operating state of the intelligent home equipment can be automatically detected and the processing such as power-off protection is realized.

A mechanism of the water-jet ship for the running backward and steering during the running backward is composed of a cylindrical body for reversely guiding water flow, two guide tubes of propulsion and with a front end communicated to ship and a back segment passing through said cylindrical body, and two opposite flow guiding bossings outside the cylindrical body and controlled by hydraulic drive rods for changing the direction of jet nozzle.

The invention discloses an intelligent safety lock for a gun. The intelligent safety lock comprises a left lock seat and a right lock seat which are locked with each other. The left lock seat and the right lock seat can be fixedly clamped at a trigger position of the gun after being locked with each other, the right lock seat comprises a lock frame and a lock seat shell, a fingerprint acquisition plate is arranged on the lock seat shell, the lock frame and the lock seat shell are fixedly integrally connected with each other, an accommodating cavity is formed inside the lock frame and the lock seat shell, and a locking mechanism, an intelligent fingerprint processing module and a motor are arranged in the accommodating cavity; the left lock seat is provided with a spring bolt which can extends into the accommodating cavity of the right lock seat and can be fittingly locked with the locking mechanism; the fingerprint acquisition plate, the intelligent fingerprint processing module and the motor are connected with one another by electric signals. The intelligent safety lock has the advantages that the safety lock can be unlocked in a fingerprint recognition mode and accordingly is high in safety performance; the intelligent safety lock can be quickly locked and unlocked, can be operated easily and conveniently and is reliable in use.

The invention provides an internet of things cloud platform traffic safety analysis method and system. The method comprises the following steps: S1, respectively extracting internet of things trafficfrom cellular network traffic and fixed network traffic, wherein the internet of things comprises a server and equipment; S2, extracting server side information and equipment side information from theinternet of things traffic; and S3, performing safety analysis on the server according to the server side information; and performing safety analysis on the equipment according to the equipment sideinformation. Through the internet of things cloud platform traffic safety analysis method and system provided by the invention, the unified internet of things cloud platform traffic safety analysis isaccomplished by quantitatively analyzing the communication data between the internet of things equipment and the server, the potential safety risk of each platform of the internet of things is positioned, and the safety performance of the internet of things is improved.

A protocol framework for a Secure IP Access (SIA) method, and supporting components deployed on IP hosts and IP networks. Using this method, an IP host can establish a secure data channel within an IP network over an insecure shared link while requesting IP address and networking configuration parameters from the IP network. A system administrator can implement strong access control against various attacks that an edge IP network may have to face, such as a denial-of-service attack that exhausts assignable IP addresses. This is a lightweight, scalable, and backward-compatible solution that can improve security performance for public and corporate LANs having open access such as wireless access points and Ethernet jacks.

The invention relates to a medium-sized pure electric bus chassis which comprises a chassis body, a first front wheel, a second front wheel, a first rear wheel, a second rear wheel, a front axle and a rear axle, wherein the first front wheel, the second front wheel, the first rear wheel, the second rear wheel, the front axle and the rear axle are arranged on the chassis body, the front axle is arranged between the first front wheel and the second front wheel, and the rear axle is arranged between the first rear wheel and the second rear wheel. An electric steering system, a power source system, a driving system, a control system and a brake system are arranged on the chassis body. The electric steering system is positioned in the front section of the chassis body, the power source system is positioned in the middle section of the chassis body, the driving system and the control system are positioned in the rear section of the chassis body, and the brake system is distributed on the whole chassis body in a penetrating manner. Electric energy serves as a power source, the power performance and safety of a power system can be ensured when a bus runs, and zero emission, energy conservation and environmental protection can be realized.

The invention discloses a method for storing and reading list data, comprising the following steps of list data storing and list data reading, wherein the list data storing step comprises the following steps of: receiving list data submitted by a user, converting the list data into a JAVA object, serializing the JAVA object into an XML (Extensible Markup Language) character string by using an open source item XStream, compressing the XML character string into byte arrays, and storing the byte arrays into a databank; the list data reading step comprises the following steps of: reading the byte arrays from the databank; decompressing the byte arrays into the XML character string; deserializing the XML character string into the JAVA object by using the open source item XStream, and converting the JAVA object into the list data. In the invention, a list is used as a whole, after JAVA is objectified, the JAVA object is serialized into the XML character string by using the open source item, and the XML character string supports the storage of various databanks and is simple to store.

The invention discloses a user authentication method based on keystroke mode identification, which comprises the steps that: firstly, the normal user keystroke training is carried out, the keystroke characteristic feature of users is extracted, and a single classifier is used for training the keystroke mode of the users; the users log in and input passwords, a system obtains the keystroke information of the users, and the information comprises user names, the passwords and the keystroke characteristic feature of the users; the current input passwords and passwords in a user mode base are subjected to password mode matching by an authentication module of an operation system; and finally, the user keystroke information verification is carried out, an interface enters an application system or the operation system if the verification is passed, and the interface returns for logging again if the verification is not passed. The user authentication method has the advantages that the safety performance of the system can be effectively improved, the keystroke behavior of the users is adopted for user authentication, and a certain protection effect can still be ensured after the passwords of the users are stolen.

The invention relates to an encryption and authentication technology and provides a one-off authentication method based on an RSA encryption. The method introduces a uniform random number, has the advantages of a one-off password authentication mechanism, is based on the method of encrypting an asymmetric key of an RSA, has the intractability of a discrete logarithm, can effectively resist replay attack, overcomes the weaknesses of the one-off password authentication mechanism password based on an HASH chain algorithm, and eliminates the need of reinitializing a system at intervals. The technology has the beneficial effects that compared with the one-off password authentication method in the prior art, the safety of the technology is improved, and the complexity of an operation is reduced.

The embodiment of the invention provides a single sign-on method, device and system among heterogeneous systems. The heterogeneous application single sign-on system comprises a single sign-one control sub-system, an SSO server side, an application client side and a server side. The method includes the steps that the single sign-on control sub-system opens, logs on and pulls up the course/linear course of the application client side in a browser; the application client side sends a re-positioning request to the browser and is used for sending an ST request to the SSO server side through the browser so as to obtain the applied ST information; the SSO server side sends the applied ST information to the browser according to the ST information so as to enable the browser to send the applied ST information to the application client side; the application client side receives the applied ST information and sends a dialogue establishing request to the application server side according to the applied ST information; the application server side asks the SSO server side for authentication according to the applied ST information and establishes the dialogue information with the application client side after successful authentication.

The invention provides a polymer lithium-sulfur battery and a preparation method thereof. The polymer lithium-sulfur battery comprises a positive electrode, a negative electrode and an electrolyte, wherein the positive electrode comprises a sulfur-based active substance, a conductive agent and a binder; the negative electrode comprises an active substance, the conductive agent and the binder; the electrolyte is a polymer electrolyte and comprises a combination of a solid solvent and a liquid solvent, lithium salt, a crosslinking monomer and an initiator. According to the invention, the prepared polymer lithium-sulfur battery is high in energy density and safety performance, stable in chemical performance, low in production cost, less in polarization in the charge and discharge processes, and stable in capacity, and has good application prospects.

The invention discloses a security door control system which comprises an image collection module, a fingerprint device, an identification scanning device, a door bell button, an alarming module, a first micro-processor module, a first wireless signal transceiving module, a loudspeaker, an LED (Light-Emitting Diode) display, a rely switch module, an electric control door lock and a mobile client, wherein the output ends of the image collection module, the fingerprint device, the identification scanning device and the door bell button are separately connected with the input end of the first micro-processor module; the output end of the first micro-processor is connected with the input ends of the alarming module, the first wireless signal transceiving module, the loudspeaker, the LED display and the rely switch module; the output end of the relay switch module is connected with the input end of the electric control door lock; the first wireless signal transceiving module is in wireless connection with the mobile client end. According to the security door control system, the safety performance of the security door is improved and the security door can be remotely opened and closed.

The invention discloses an industrial control system malicious sample generation method based on adversarial learning. According to the method, a confrontation sample of an industrial control intrusion detection system based on a machine learning method is calculated by utilizing an optimization solution through a confrontation learning technology. Attack samples which can be originally found by the intrusion detection system can generate corresponding new countermeasure samples after being processed by the method. The confrontation sample can bypass an original intrusion detector (identifiedas normal), and the attack effect is still kept. By actively generating the malicious samples of the industrial control system, the safety of the industrial control system is effectively guaranteed, and preventive measures are taken.