Song, Zhankui Sun, Kaibiao
Published in
ISA transactions
This article develops a new anti-saturation tracking approach for effectively controlling a type of state-constrained systems under actuator failure. To construct a feedback control loop possessed the predetermined indexes, an auxiliary variable incorporated with a performance guider is first introduced into the design process. Then, a robust fault...
Zhang, Tianci Chen, Jinglong Li, Fudong Zhang, Kaiyu Lv, Haixin He, Shuilong Xu, Enyong
Published in
ISA transactions
The research on intelligent fault diagnosis has yielded remarkable achievements based on artificial intelligence-related technologies. In engineering scenarios, machines usually work in a normal condition, which means limited fault data can be collected. Intelligent fault diagnosis with small & imbalanced data (S&I-IFD), which refers to build intel...
Kumar, Pankaj Jain, Madhu Meena, Rakesh Kumar
Published in
ISA transactions
In this study, fuzzy modeling and service control based on optimal N-policy for fault tolerance system have been investigated. The impacts of failures and recovery along with the reboot process are taken into account for the assessment of performance indices of the system operating under redundancy and provision of maintainability. The non-Markovia...
Abolpour, Roozbeh Dehghani, Maryam Tavazoei, Mohammad Saleh
Published in
ISA transactions
This paper studies the robust stability of the fractional-order (FO) LTI systems with polytopic uncertainty. Generally, the characteristic polynomial of the system dynamic matrix is not an affine function of the uncertain parameters. Consequently, the robust stability of the uncertain system cannot be evaluated by well-known approaches including LM...
Saha, Sirshendu Bera, Saikat Kumar Pal, Saurabh Bera, Satish Chandra
Published in
ISA transactions
The paper describes a modified non-contact Hall sensor based centrifugal and momentum force type flow transducer with simple design, low cost and rugged construction. In this transducer two identical permanent magnets are fixed on the two ends of the common balance lever on which sensing U-tube and dummy U-tube are placed at equal distances from th...
Czaplewski, Bartosz Dzwonkowski, Mariusz
Published in
ISA transactions
The article concerns the automation of vessel movement anomaly detection for maritime and coastal traffic safety services. Deep Learning techniques, specifically Convolutional Neural Networks (CNNs), were used to solve this problem. Three variants of the datasets, containing samples of vessel traffic routes in relation to the prohibited area in the...
Li, Yifan Yang, Yaocheng Chen, Yuejian Chen, Zaigang
Published in
ISA transactions
Ridge extraction is an effective tacholess order tracking technique for the fault detection of bearings under time-varying speed conditions. Cost function ridge detection (CFRD) is the most widely used ridge detection method. However, improper bandwidth selection and unreasonable cost function construction significantly restrict the performance of ...
Sun, Tairen Zhang, Xuexin Yang, Hongjun Pan, Yongping
Published in
ISA transactions
This paper proposes a saturated smooth adaptive controller for regulating a certain type of underactuated Euler-Lagrange systems (UELSs) with modeling uncertainties and control saturations based on a singular perturbation approach. Compared with relevent literature, the advantages of the proposed controller include: (1) it renders the UELS semiglob...
Lin, Chuanjian Shi, Jingping Zhang, Weiguo Lyu, Yongxi
Published in
ISA transactions
Target tracking is a typical application of unmanned aerial vehicles(UAVs). However, it is difficult for the existing guidance laws to meet the requirements of convergence speed and tracking accuracy at the same time. A new guidance law based on a coordinated turning equation is proposed to achieve target tracking, and its asymptotic stability is p...
Ke, Jin Huang, Wenchao Wang, Jingyao Zeng, Jianping
Published in
ISA transactions
The consensus problem is considered for multi-agent systems with disturbances. Three fixed-time prescribed performance methods are proposed to satisfy the transient performance and steady-state performance of multi-agent systems consensus. If the multi-agent systems are affected by matched disturbances, the consensus tracking errors constraints are...
