Browsing Scientific Publications in Engineering Sciences by Author "Karimi, Hamid Reza"
Now showing items 61-80 of 217
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Dynamic characterization for the dielectric electroactive polymer fundamental sheet
Iskandarani, Yousef; Karimi, Hamid Reza (Journal article; Peer reviewed, 2012)A study into the appropriateness of characterizing the dynamics of the dielectric electroactive polymer (DEAP) fundamental sheet has been performed. Whereby a model describing the dynamics of the DEAP fundamental sheet is ... -
Dynamic output feedback passive control of uncertain switched stochastic systems with time-varying delay
Jia, Huimei; Karimi, Hamid Reza; Xiang, Zhengrong (Journal article; Peer reviewed, 2013)This paper is concerned with the issues of passivity analysis and dynamic output feedback (DOF) passive control for uncertain switched stochastic systems with time-varying delay via multiple storage functions (MSFs) method. ... -
Dynamic output-feedback passivity control for fuzzy systems under variable sampling
Li, Hongyi; Sun, Xingjian; Karimi, Hamid Reza; Niu, Ben (Journal article; Peer reviewed, 2013)This paper concerns the problem of dynamic output-feedback control for a class of nonlinear systems with nonuniform uncertain sampling via Takagi-Sugeno (T-S) fuzzy control approach. The sampling is not required to be ... -
Edge detector design based on LS-SVR
YU, Zhongdang; Karimi, Hamid Reza (Journal article; Peer reviewed, 2014)For locating inaccurate problem of the discrete localization criterion proposed by Demigny, a new criterion expression of "good localization" is proposed. Firstly, a discrete expression of good detection and good localization ... -
Effects of surfactants on the performance of CeO2 humidity sensor
Wang, Chunjie; Zhang, Aihua; Karimi, Hamid Reza (Journal article; Peer reviewed, 2014)Nanosized CeO 2 powders were synthesized via hydrothermal method with different types of surfactants (polyethylene glycol (PEG), cetyltrimethylammonium bromide (CTAB), and sodium dodecylbenzenesulfonate (SDBS)). X-ray ... -
Energy-efficient routing control algorithm in large-scale WSN for water environment monitoring with application to Three Gorges Reservoir area
Zhong, Yuanchang; Cheng, Lin; Zhang, Liang; Song, Yongduan; Karimi, Hamid Reza (Journal article; Peer reviewed, 2014)The typical application backgrounds of large-scale WSN (wireless sensor networks) for the water environment monitoring in the Three Gorges Reservoir are large coverage area and wide distribution. To maximally prolong ... -
Energy-saving analysis of hydraulic hybrid excavator based on common pressure rail
Shen, Wei; Jiang, Jihai; Su, Xiaoyu; Karimi, Hamid Reza (Journal article; Peer reviewed, 2013)Energy-saving research of excavators is becoming one hot topic due to the increasing energy crisis and environmental deterioration recently. Hydraulic hybrid excavator based on common pressure rail (HHEC) provides an ... -
Entry-item-quantity-ABC analysis-based multitype cigarette fast sorting system
Zhao, Ying; Shi, Yan; Karimi, Hamid Reza (Journal article; Peer reviewed, 2012)Numerous items, small order, and frequent delivery are the characteristics of many distribution centers. Such characteristics generally increase the operating costs of the distribution center. To remedy this problem, this ... -
Exploring the best classification from average feature combination
Hou, Jian; Liu, Wei-Xue; Karimi, Hamid Reza (Peer reviewed; Journal article, 2014)Feature combination is a powerful approach to improve object classification performance. While various combination algorithms have been proposed, average combination is almost always selected as the baseline algorithm to ... -
Fault detection for network control systems with multiple communication delays and stochastic missing measurements
Zhang, Jie; Lyu, Ming; Karimi, Hamid Reza; Zuo, Jian; Bo, Yuming (Journal article; Peer reviewed, 2014)This paper is concerned with fault detection problem for a class of network control systems (NCSs) with multiple communication delays and stochastic missing measurements. The missing measurement phenomenon occurs in a ... -
Fault detection for wireless network control systems with stochastic uncertainties and time delays
Zhang, Jie; Guo, Pengfei; Myu, Ming; Karimi, Hamid Reza; Bo, Yuming (Journal article; Peer reviewed, 2014)The fault detection problem is investigated for a class of wireless network control systems which has stochastic uncertainties in the state-space matrices, combined with time delays and nonlinear disturbance. First, the ... -
Fault detection of networked control systems based on sliding mode observer
Zhang, Jie; Lyu, Ming; Karimi, Hamid Reza; Bo, Yuming (Journal article; Peer reviewed, 2013)This paper is concerned with the network-based fault detection problem for a class of nonlinear discrete-time networked control systems with multiple communication delays and bounded disturbances. First, a sliding mode ... -
Fault-reconstruction-based cascaded sliding mode observers for descriptor linear systems
Yu, Jinyong; Sun, Guanghui; Karimi, Hamid Reza (Journal article; Peer reviewed, 2012)This paper develops a cascaded sliding mode observer method to reconstruct actuator faults for a class of descriptor linear systems. Based on a new canonical form, a novel design method is presented to discuss the existence ... -
Feedback vibration control of a base-isolated building with delayed measurements using h∞ techniques
Karimi, Hamid Reza; Zapateiro, Mauricio; Luo, Ningsu; Rossell, Josep M. (Journal article; Peer reviewed, 2010)n this paper we address the problem of vibration reduction of buildings with delayed measurements, where the delays are time-varying and bounded. We focus on a convex optimization approach to the problem of state-feedback ... -
Filtering for discrete fuzzy stochastic time-delay systems with sensor saturation
You, Jia; Yin, Shen; Karimi, Hamid Reza (Journal article; Peer reviewed, 2013)This paper addresses the H-infinity filtering problem for discrete fuzzy stochastic systems with time-varying delay and sensor saturation. Random noise depending on state and external disturbance is also taken into account. ... -
Finite frequency vibration control for polytopic active suspensions via dynamic output feedback
Zhang, Yifu; Liu, Gongdai; Wang, Pinchao; Karimi, Hamid Reza (Journal article; Peer reviewed, 2013)This paper presents a disturbance attenuation strategy for active suspension systems with frequency band constraints, where dynamic output feedback control is employed in consideration that not all the state variables can ... -
Finite-Time control and estimation for complex and practical dynamical systems
Wang, Junmin; Karimi, Hamid Reza; Shi, Peng; Zhang, Zexu; Zhang, Hui (Journal article; Peer reviewed, 2014) -
Finite-time control for attitude tracking maneuver of rigid satellite
Huo, Mingyi; Huo, Xing; Karimi, Hamid Reza; Ni, Jianfei (Journal article; Peer reviewed, 2014)The problem of finite-time control for attitude tracking maneuver of a rigid spacecraft is investigated. External disturbance, unknown inertia parameters are addressed. As stepping stone, a sliding mode controller is ... -
Finite-time distributed energy-to-peak control for uncertain multiagent systems
Chenggang, Qu; Xibin, Cao; Karimi, Hamid Reza; Zhuo, Zhang; Zexu, Zhang (Journal article; Peer reviewed, 2014)This paper investigates the finite-time distributed L2-L∞ consensus control problem of multiagent systems with parameter uncertainties. The relative states of neighboring agents are used to construct the control law and ... -
Finite-time l1-gain control for positive switched systems with time-varying delay via delta operator approach
Li, Shuo; Xiang, Zhengrong; Karimi, Hamid Reza (Journal article; Peer reviewed, 2014)This paper is concerned with the problem of finite-time l 1 -gain control for positive switched systems with time-varying delay via delta operator approach. Firstly, sufficient conditions which can guarantee the l 1 -gain ...