10results about How to "Implement security controls" patented technology

The invention discloses a floating safety control method, device and equipment, a medium and an aerial work platform, the floating safety control method comprises the steps that a first inclination angle is obtained, and the first inclination angle is the inclination angle of a vehicle frame when a vehicle does not fall into a pit; a second inclination angle is obtained, wherein the second inclination angle is the inclination angle of the frame after the vehicle falls into the pit; obtaining a first change angle, wherein the first change angle is a difference value between the first inclination angle and the second inclination angle; executing a floating action or a safety control action according to the first change angle; the floating action is used for controlling and triggering the action of the single-side floating oil cylinder corresponding to the corresponding single-side floating switch after the vehicle falls into the pit, and the safety control action is used for limiting the action of the floating oil cylinder. The aerial work platform can safely control the action of the floating oil cylinder, and safe operation and stable operation of the aerial work platform are facilitated.

This invention relates to the field of FSRU thermal energy regulation technology, specifically disclosing a high-efficiency waste heat and cooling water integrated priority heating system and method for FSRUs. The method includes: responding to collected multi-dimensional operating data, associating and marking the multi-dimensional operating data, and identifying the current operating condition level of the FSRU based on the marking results; if the operating condition level indicates the need for heat source switching, then determining a heat allocation scheme including the target heat source and flow path configuration according to the cross-domain priority matrix corresponding to the operating condition level. This invention can eliminate unstable factors such as fluid backflow, pump cavitation, and control signal oscillation while ensuring rapid response, significantly improving the robustness and switching smoothness of the FSRU energy supply system under extreme sea conditions, and achieving inherently safe cross-domain collaborative control.

The invention discloses a safety control method, device and equipment for a vehicle and a storage medium, and belongs to the field of new energy vehicles. The method comprises the following steps: acquiring the current parking environment of a vehicle under the condition that the vehicle is not shifted into a parking gear; according to the current parking environment of the vehicle, a condition used for triggering automatic parking gear engaging is determined; wherein the conditions comprise at least one of the following conditions: the opening degree of a brake pedal is zero, the opening degree of an accelerator pedal is zero, the vehicle is static, the vehicle is in a ready state, the vehicle is not in a braking state, and operation related to vehicle driving is not detected; and under the condition that the vehicle meets the conditions at present, the vehicle is controlled to be in a parking gear. Due to the fact that the vehicle can be automatically controlled to be engaged in the parking gear, even if a driver forgets to engage in the parking gear and directly gets off the vehicle after braking the vehicle, the situation that the vehicle slides is avoided, and the safety of the vehicle, the driver, passengers and surrounding things is ensured.

The invention provides an intelligent vehicle body control method based on a camping mode, which comprises the following steps: after a command of entering the camping mode is received, starting a high-power-consumption key search mode, and detecting the real-time position of an intelligent remote control key; wherein the real-time positions are located in an effective area in the vehicle, in an effective area outside the vehicle and far away from the effective area outside the vehicle; according to the detected real-time position of the intelligent remote control key, a preset intelligent vehicle body control strategy is selected to conduct search mode switching, and whether locking fortification operation needs to be conducted on a vehicle body or not is determined. The invention further discloses a corresponding device and system and a storage medium. According to the invention, through optimizing the intelligent key searching and locking strategy, the intelligent active locking function in the outdoor camping scene is realized, the user experience is improved, and the vehicle safety is ensured.

The invention relates to the technical field of automatic control of special vehicles, in particular to a balance control circuit for parallel application of a battery pack of a special vehicle and a control method thereof, which can perform balance control on a plurality of parallel application power battery packs and improve the safety and reliability of the power battery packs. The circuit comprises a high-voltage bidirectional buck-boost power supply conversion device, a power battery pack and a high-voltage power distribution and safety protection device, and can realize pre-charge control and balance control of a plurality of power battery packs in a parallel working condition power-on or operation process and balance control of the power battery packs in a use process. According to the control method, based on the circuit, balance control over the multiple power battery packs is achieved, and grid-off and grid-connected control in the vehicle running process, power battery pack current-limiting output control in the dynamic process and power battery pack charging maintenance control in the dynamic process are carried out.

The invention belongs to the related technical field of robot teleoperation, and discloses a robot teleoperation safety control method and system for operating intention recognition and adaptive control of a barrier function. The method comprises the following steps: establishing a virtual agent between a master robot and a slave robot for teleoperation; calculating nominal control input of the virtual agent, converting the nominal control input into safety control input by taking the self-adaptive control obstacle function as a constraint, and controlling the virtual agent to track the main robot according to a preset tracking expected trajectory by using the safety control input; a slack variable in the adaptive control barrier function is set according to an interaction intention of an operator to a target; and calculating expected control input of the slave robot, and controlling the slave robot to track the virtual agent by using the expected control input so as to realize teleoperation control of the master robot on the slave robot. According to the invention, the problem that the safety control of different interactive intention functions of an operator on a target cannot be realized under a unified control framework is solved.

This invention discloses a semi-Markov power system security control method under random DoS attacks, belonging to the field of power system control technology. This invention introduces a logic processor to capture the maximum duration of a DoS attack and calculates the probability of the attack and the resulting maximum allowable number of consecutive packet losses by employing periodic sampling technology. Furthermore, considering the asynchronous behavior between the power system and the controller, a non-homogeneous Hidden Markov Model is used to describe the asynchronous phenomenon, and the uncertain transfer rate matrix is ​​further discussed in two types, which helps to provide a clearer framework. By combining controller control with performance index control, security control of the system can be achieved through static output feedback under random DoS attacks.

The invention provides a security verification method and system based on Kinesis Video Streams, and the system comprises a device which is used for detecting an event, generating an event record, and requesting a unique alarmid and a kvs uploading URL from a cloud server, and the device can package a video stream into a plurality of fragment segments; the cloud server is used for receiving a request from the equipment, generating a unique alarmid and a corresponding kvs uploading URL (Uniform Resource Locator), and generating a playing link according to the request; and the application program is used for requesting an event list of the equipment and a playing link of a specific event from the cloud server, downloading a video clip in a corresponding time period, decrypting the user ID list through the alarmid so as to verify the access permission of the current user, and allowing rendering and playing of the video when the verification is passed. According to the method and the device, the unique alarmid is generated for each event, and the user ID list is dynamically encrypted by using the alarmid, so that an unauthorized user cannot decrypt and acquire the user ID list and cannot watch the video content.

The application relates to the technical field of automobile control, in particular to a safety control method, system and device for automatic steering of an unmanned vehicle, wherein, in the safety control method, in the case that an actuator attack occurs in the automatic steering control process of the unmanned vehicle, it is assumed that the actuator attack signal has no specific assumption rule, the accurate actual attack signal is obtained after nonlinear mapping and weighted summation processing in a neural network method, the actual control signal input under the actuator attack is constructed based on the actual attack signal, then the integral sliding mode strategy is used to design a sliding mode reaching law, the sliding mode controller signal is constructed in combination with the actual attack signal, and the sliding mode controller safety signal range is obtained in combination with the derivative of the designed Lyapunov function, so that the unmanned vehicle can be automatically and safely steered under the actuator attack, and the safety control of the automatic steering of the unmanned vehicle is realized.

The invention discloses a power supply control switch and a performance test method thereof, and belongs to the technical field of power supplies. The power supply control switch comprises an initial switch part, a moving column, a constraint spring, a locking part and a shell, corresponding arrangement of the initial switch part, the constraint spring, the moving column and the locking part is realized by utilizing corresponding arrangement of a plurality of embedding holes in the shell, and reliable contact of the moving column and the initial switch part is ensured by arranging the constraint spring and the locking part; when the moving column feels collision overload, the moving column overcomes resistance of the restraining spring and the locking component to move and is locked by the locking component, and reliable disconnection between the moving column and the initial switch component is ensured. The device is compact in structure and convenient to assemble, can control the power supply in the circuit when any one of the positive direction and the negative direction is collided and overloaded, cuts off the output of the power supply to the outside, and has better application prospect and practical value.