6results about How to "Increase unpredictability" patented technology

The invention relates to the technical field of dynamic simulation, and discloses an electric fireplace three-dimensional dynamic flame simulation generation method and system, and the method comprises the steps: obtaining a flame base region, carrying out temperature gradient solution and heat source intensity mapping, obtaining temperature gradient distribution and heat source intensity distribution, and carrying out heat flow direction vector screening, and obtaining an initial thermal driving vector; according to the initial thermal driving vector, acceleration weighting calculation is carried out to obtain a final acceleration, and spatial displacement calculation is carried out to obtain an actual track sequence; according to the actual track sequence, displacement correction is carried out, a coherent path sequence is generated, abnormity recognition is carried out, and an abnormal path is obtained; calculating the variance of the initial speed sequence according to the coherent path sequence to obtain an inter-frame continuity result, and performing trajectory smoothing according to the abnormal path to obtain an optimized trajectory sequence; and performing three-dimensional texture generation according to the optimized track sequence to obtain flame texture output. The method can realize dynamic high-precision simulation of flame.

This invention discloses a patrol path decision-making method for unmanned systems in adversarial environments, belonging to the field of autonomous unmanned systems and intelligent decision-making technology. The method includes: acquiring an undirected patrol topology graph of the physical environment to be patrolled; calculating the steady-state distribution of the target based on the value parameters, attack time parameters, and degree of each node; and defining a patrol strategy unpredictability index weighted by intra-strategy entropy and inter-strategy entropy. PSUI To address the uncertainty of strategies in terms of microscopic randomness and macroscopic diversity, a simulated annealing dual-entropy balance optimization algorithm is employed to maximize... PSUI To achieve the goal, a set of state transition matrix strategies is generated under the constraints of topological adjacency, row normalization, and target steady-state distribution. The unmanned system is then controlled to perform spatiotemporally decoupled patrols through random matrix switching and probabilistic transitions within the matrix. This invention unifies patrol strategy evaluation and optimization, significantly improves the unpredictability of patrol paths, and enhances the protection capabilities for critical infrastructure.

The invention relates to the technical field of key generation, in particular to a data encryption and key generation method for online payment, which comprises the following steps: extracting a touch rhythm generation sequence, executing rotation coding to construct a bit structure, and generating a key in combination with amount information. According to the method, the user touch behavior characteristics are converted into the rhythm sequence, a dynamic encryption basis is constructed through a sequence rotation and bit mapping mode, user behavior level parameters are introduced in the secret key generation process, and payment behaviors and transaction data are deeply bound through fusion of the amount section labels; key generation does not depend on a fixed rule or an external key negotiation process any more, independent key output of the end side is achieved through sequence structure recombination and template parameter matching, the individuation and unpredictability of the key are improved, the recognition capacity for counterfeit behaviors and the protection effect for man-in-the-middle attacks are enhanced, and the key generation efficiency is improved. And the problems of static characteristics and response lag of a traditional key mechanism in actual deployment are effectively relieved.

The invention discloses a low-frequency time code system and method based on a two-dimensional composite chaotic sequence, and relates to the technical field of wireless communication, and the low-frequency time code system based on the two-dimensional composite chaotic sequence mainly comprises a transmitting end and a receiving end. The transmitting end comprises a time coding module, a direct sequence spread spectrum module, an amplitude shift keying modulation module and a frequency hopping spread spectrum module; and the receiving end comprises a de-hopping module, an amplitude shift keying module, a de-spreading module, a filtering module, a judgment module and a decoding module. According to the low-frequency time code system and method based on the two-dimensional composite chaos sequence, the complexity, randomness and statistical property of the chaos spread spectrum sequence can be improved, and the anti-jamming capability, safety and environmental adaptability of the low-frequency time code system are improved.

This invention relates to the field of data encryption transmission technology, and particularly to a method and system for encrypted data transmission in open industrial control networks for oilfields. The method includes: constructing an edge-side data management platform; connecting PLC devices within a preset range to the data management platform; acquiring attribute data of the PLC devices, wherein the attribute data includes at least: device number, operating status, timestamp, area number, network load, and process parameters; converting the attribute data into a key factor in a fixed format; selecting a hash function; hashing the key factor to obtain a first hash value; and establishing a communication link between the data management platform and the PLC devices. This invention, by verifying the data to be transmitted, enables rapid response and closed-loop control to abnormal communication behavior, further improving the reliability of industrial control network data and significantly enhancing the anti-intrusion capability of open industrial control networks in oilfields under complex network environments.

This invention discloses a method and system for simulating flames using dynamic adjustment of multi-color LEDs, belonging to the field of intelligent electronic lighting adjustment technology. The method includes: generating chaotic initial values ​​by collecting physical noise from the floating pins of a microcontroller; generating an infinite, non-repeating chaotic numerical sequence using the logistic mapping equation based on the chaotic initial values; allocating the PWM duty cycles of the red and yellow channels using a nonlinear coupling algorithm based on the current chaotic values, and generating the PWM duty cycle of the orange channel based on these duty cycles; smoothing and filtering the three PWM duty cycles to generate smoothed drive signals; and driving the multi-color LED array to emit light according to the smoothed drive signals to simulate a dynamic flame effect. This invention can generate highly realistic and dynamic flame effects using a low-cost, low-power embedded solution.