Journal of The Franklin Institute-engineering and Applied Mathematics最新文献_第8页

Optical image authentication and encryption scheme with computational ghost imaging 利用计算鬼影成像的光学图像认证和加密方案

IF 3.7 3区计算机科学

Journal of The Franklin Institute-engineering and Applied Mathematics Pub Date : 2024-08-31 DOI: 10.1016/j.jfranklin.2024.107203

{"title":"Optical image authentication and encryption scheme with computational ghost imaging","authors":"","doi":"10.1016/j.jfranklin.2024.107203","DOIUrl":"10.1016/j.jfranklin.2024.107203","url":null,"abstract":"<div><p>Most of the previous image encryption schemes overlook certifying the source of the encrypted images, thus the receiver may be misled by messages coming from unauthorized users or wrong sources. To simultaneously accomplish image encryption and source authentication of the encrypted images, an optical image authentication and encryption scheme is proposed by integrating computational ghost imaging (CGI) with quick response (QR) code. Firstly, the plaintext image is converted into a QR code and encrypted by a scrambling-diffusion structure. Then, the authentication image is enciphered by a CGI system and a diffusion structure. The intermediate resulting images are marked and embedded into the random matrices to withstand the differential attack. Moreover, the source of the encrypted images can be identified by the reconstructed authentication image and the nonlinear correlation coefficient (NCC) result. The authentication is considered successful if a sharp peak appears in the center of the NCC result. Numerical simulations show that the proposed scheme can not only withstand different attacks, but also avoid being misled by misinformation during the decryption process.</p></div>","PeriodicalId":17283,"journal":{"name":"Journal of The Franklin Institute-engineering and Applied Mathematics","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2024-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142151109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Delay-compensatory synchronization on uncertain chaotic neural networks via average delayed impulsive gains 通过平均延迟脉冲增益实现不确定混沌神经网络的延迟补偿同步

IF 3.7 3区计算机科学

Journal of The Franklin Institute-engineering and Applied Mathematics Pub Date : 2024-08-31 DOI: 10.1016/j.jfranklin.2024.107235

{"title":"Delay-compensatory synchronization on uncertain chaotic neural networks via average delayed impulsive gains","authors":"","doi":"10.1016/j.jfranklin.2024.107235","DOIUrl":"10.1016/j.jfranklin.2024.107235","url":null,"abstract":"<div><p>This paper mainly studies the exponential synchronization issue of chaotic neural networks with parametric uncertainties and time-varying delays via hybrid impulsive control and delay compensatory strategy. Considering the hybrid impulses and flexible delays in the controller, the idea of average delayed impulsive gain (ADIG) is introduced to quantify the effects of hybrid impulses from a comprehensive viewpoint, i.e., not only the desynchronizing/synchronizing delay-free impulses but also the desynchronizing/synchronizing delayed impulses are discussed. Meanwhile, the impulsive delays are fetched and integrated to compensate the desynchronizing impulses dynamically, which removes certain strict restrictions on the impulsive gains and impulsive delays compared with existed works. Correspondingly, some relaxed sufficient criteria for exponential synchronization are derived by jointly utilizing the concept of average delayed impulsive gain, the delay compensatory scheme and the mathematical induction methodology. Ultimately, two examples with some comparisons are given to verify the applicability and superior performance of the obtained results.</p></div>","PeriodicalId":17283,"journal":{"name":"Journal of The Franklin Institute-engineering and Applied Mathematics","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2024-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142129091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Distributed Nash equilibrium seeking for quadratic games in discrete-time systems with bounded control inputs 有界控制输入的离散时间系统中四元博弈的分布式纳什均衡寻求

IF 3.7 3区计算机科学

Journal of The Franklin Institute-engineering and Applied Mathematics Pub Date : 2024-08-30 DOI: 10.1016/j.jfranklin.2024.107226

引用次数: 0

Probability hypothesis density filter for parameter estimation of multiple hazardous sources 用于多危险源参数估计的概率假设密度滤波器

IF 3.7 3区计算机科学

Journal of The Franklin Institute-engineering and Applied Mathematics Pub Date : 2024-08-30 DOI: 10.1016/j.jfranklin.2024.107198

引用次数: 0

Adaptive distributed tracking control for Markov jump multiagent systems with a non-strict leader 具有非严格领导者的马尔可夫跃迁多代理系统的自适应分布式跟踪控制

IF 3.7 3区计算机科学

Journal of The Franklin Institute-engineering and Applied Mathematics Pub Date : 2024-08-30 DOI: 10.1016/j.jfranklin.2024.107220

引用次数: 0

Observer-based output feedback control for switched T–S fuzzy systems with local nonlinear segments by using past output measurements 利用过去的输出测量结果，对具有局部非线性片段的开关 T-S 模糊系统进行基于观测器的输出反馈控制

IF 3.7 3区计算机科学

Journal of The Franklin Institute-engineering and Applied Mathematics Pub Date : 2024-08-30 DOI: 10.1016/j.jfranklin.2024.107224

{"title":"Observer-based output feedback control for switched T–S fuzzy systems with local nonlinear segments by using past output measurements","authors":"","doi":"10.1016/j.jfranklin.2024.107224","DOIUrl":"10.1016/j.jfranklin.2024.107224","url":null,"abstract":"<div><p>This paper researches the observer-based exponential stabilization problem for switched Takagi–Sugeno (T–S) fuzzy systems with unmeasurable premise variables and local nonlinearities. The local nonlinear parts that satisfy the incremental quadratic constraint exist in the systems and observers, which have the merit of being able to contain many common nonlinearities in a unified framework. Because the premise variables are not measurable, the performance of the observers in estimation is critical. Different from existing observer-based control strategies, the strategy of this paper not only depends on the current outputs of the systems but also relates to the past outputs of the systems which can provide a way to improve performance. In order to tackle the difficulties caused by introducing the past outputs and design a set of non-fragile fuzzy controllers to stabilize the systems, a new augmented state vector is constructed. Then, the conditions for designing the observer-based controller are derived by using auxiliary scalars, projection Lemma and <span><math><mi>S</mi></math></span>-procedure. Finally, the effectiveness of the control strategy obtained in this paper is proved by two examples.</p></div>","PeriodicalId":17283,"journal":{"name":"Journal of The Franklin Institute-engineering and Applied Mathematics","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142121631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Robust H∞ stabilization for systems with uncertain input time-delay 具有不确定输入时延的系统的鲁棒 H∞ 稳定性

IF 3.7 3区计算机科学

Journal of The Franklin Institute-engineering and Applied Mathematics Pub Date : 2024-08-30 DOI: 10.1016/j.jfranklin.2024.107223

{"title":"Robust H∞ stabilization for systems with uncertain input time-delay","authors":"","doi":"10.1016/j.jfranklin.2024.107223","DOIUrl":"10.1016/j.jfranklin.2024.107223","url":null,"abstract":"<div><p>This paper presents a robust <span><math><msub><mrow><mi>H</mi></mrow><mrow><mi>∞</mi></mrow></msub></math></span> stabilization approach for actively controlled systems that include uncertain input time-delay. The approach comprises two essential steps: (1) converting a controlled system with uncertain time-delay to have only deterministic time-delay through a time-scale transformation; and (2) applying the Chebyshev spectral continuous time approximation (CHsCTA) method and defining appropriate extension matrices to transform the system so there are no time-delays. A robust <span><math><msub><mrow><mi>H</mi></mrow><mrow><mi>∞</mi></mrow></msub></math></span> control design is implemented on the transformed system, which facilitates the derivation of a robust <span><math><msub><mrow><mi>H</mi></mrow><mrow><mi>∞</mi></mrow></msub></math></span> controller. An iterative algorithm is proposed for computing the feedback gain matrix, which overcomes the challenges posed by the nonlinear coupling terms when solving the matrix inequalities. Case studies validate the effectiveness of the proposed control algorithm, which, through comparison with existing control algorithms, is shown to be less conservative.</p></div>","PeriodicalId":17283,"journal":{"name":"Journal of The Franklin Institute-engineering and Applied Mathematics","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0016003224006446/pdfft?md5=4f39ac153d46253bd0ebf74e361c9c0a&pid=1-s2.0-S0016003224006446-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142129078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Oxygen-sensor-based 2-DOF PI air-flow controller of fuel cell system 基于氧传感器的燃料电池系统 2-DOF PI 气流控制器

IF 3.7 3区计算机科学

Journal of The Franklin Institute-engineering and Applied Mathematics Pub Date : 2024-08-30 DOI: 10.1016/j.jfranklin.2024.107227

引用次数: 0

Finite-time trajectory tracking control for unmanned ground vehicle based on finite-time disturbance observer 基于有限时间扰动观测器的无人地面飞行器有限时间轨迹跟踪控制

IF 3.7 3区计算机科学

Journal of The Franklin Institute-engineering and Applied Mathematics Pub Date : 2024-08-30 DOI: 10.1016/j.jfranklin.2024.107222

引用次数: 0

Adaptive fixed-time stabilization for high-order uncertain nonlinear systems with unknown measurement sensitivities 具有未知测量敏感性的高阶不确定非线性系统的自适应固定时间稳定技术

IF 3.7 3区计算机科学

Journal of The Franklin Institute-engineering and Applied Mathematics Pub Date : 2024-08-28 DOI: 10.1016/j.jfranklin.2024.107206

{"title":"Adaptive fixed-time stabilization for high-order uncertain nonlinear systems with unknown measurement sensitivities","authors":"","doi":"10.1016/j.jfranklin.2024.107206","DOIUrl":"10.1016/j.jfranklin.2024.107206","url":null,"abstract":"<div><p>This paper investigates the adaptive fixed-time stabilization problem for a class of uncertain high-order nonlinear systems with unknown measurement sensitivities and unknown control magnitude. Compared to existing practical fixed-time control approaches, our control strategy is capable of driving all states of uncertain high-order systems to the origin within a fixed time, rather than just ensuring their boundedness. Additionally, this study relaxes the restrictions on the nonlinear functions of the system, while overcoming challenges such as unknown control magnitude and unknown measurement sensitivity without prior boundaries. To achieve the control objectives, our control strategy consists of two main steps. Firstly, we divide the initial value of the high-order system into two cases, and construct adaptive controllers separately for each case by adding a power integral technique and backstepping method. Subsequently, the reliance of the stability time of the closed-loop high-order system on the initial value is eliminated by designing an appropriate controller switching mechanism. Finally, we provide a simulation example to validate the effectiveness of our control strategy.</p></div>","PeriodicalId":17283,"journal":{"name":"Journal of The Franklin Institute-engineering and Applied Mathematics","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2024-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142088775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0