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163篇 您的检索式:作者名="SUBASH"
    题名 作者 年代 出处 被引量
1Semi-active Sliding Mode Control of Vehicle Suspension with Magneto-rheological Damper显示文摘The vehicle semi-active suspension with magneto-rheological damper(MRD) has been a hot topic since this decade, in which the robust control synthesis considering load variation is a challenging task. In this paper, a new semi-active controller based upon the inverse model and sliding mode control(SMC) strategies is proposed for the quarter-vehicle suspension with the magneto-rheological(MR) damper, wherein an ideal skyhook suspension is employed as the control reference model and the vehicle sprung mass is considered as an uncertain parameter. According to the asymptotical stability of SMC, the dynamic errors between the plant and reference systems are used to derive the control damping force acquired by the MR quarter-vehicle suspension system. The proposed modified Bouc-wen hysteretic force-velocity(F-v) model and its inverse model of MR damper, as well as the proposed continuous modulation(CM) filtering algorithm without phase shift are employed to convert the control damping force into the direct drive current of the MR damper. Moreover, the proposed semi-active sliding mode controller(SSMC)-based MR quarter-vehicle suspension is systematically evaluated through comparing the time and frequency domain responses of the sprung and unsprung mass displacement accelerations, suspension travel and the tire dynamic force with those of the passive quarter-vehicle suspension, under three kinds of varied amplitude harmonic, rounded pulse and real-road measured random excitations. The evaluation results illustrate that the proposed SSMC can greatly suppress the vehicle suspension vibration due to uncertainty of the load, and thus improve the ride comfort and handling safety. The study establishes a solid theoretical foundation as the universal control scheme for the adaptive semi-active control of the MR full-vehicle suspension decoupled into four MR quarter-vehicle sub-suspension systems.ZHANG Hailong WANG Enrong ZHANG Ning MIN Fuhong SUBASH Rakheja SU Chunyi 2015Chinese Journal of Mechanical Engineering2015,28,1:12
2Skyhook-based Semi-active Control of Full-vehicle Suspension with Magneto-rheological Dampers显示文摘The control study of vehicle semi-active suspension with magneto-rheological (MR) dampers has been attracted much attention internationally. However, a simple, real time and easy implementing semi-active controller has not been proposed for the MR full-vehicle suspension system, and a systematic analysis method has not been established for evaluating the multi-objective suspension performances of MR full-vehicle vertical, pitch and roll motions. For this purpose, according to the 7-degree of freedom (DOF) fullvehicle dynamic system, a generalized 7-DOF MR and passive full-vehicle dynamic model is set up by employing the modified Boucwen hysteretic force-velocity (F-v) model of the MR damper. A semi-active controller is synthesized to realize independent control of the four MR quarter-vehicle sub-suspension systems in the full-vehicle, which is on the basis of the proposed modified skyhook damping scheme of MR quarter-vehicle sub-suspension system. The proposed controller can greatly simplify the controller design complexity of MR full-vehicle suspension and has merits of easy implementation in real application, wherein only absolute velocities of sprung and unsprung masses with reference to the road surface are required to measure in real time when the vehicle is moving. Furthermore, a systematic analysis method is established for evaluating the vertical, pitch and roll motion properties of both MR and passive full-vehicle suspensions in a more realistic road excitation manner, in which the harmonic, rounded pulse and real road measured random signals with delay time are employed as different road excitations inserted on the front and rear two wheels, by considering the distance between front and rear wheels in full-vehicle. The above excitations with different amplitudes are further employed as the road excitations inserted on left and right two wheels for evaluating the roll motion property. The multi-objective suspension performances of ride comfort and handling safety of the proposed MR full-vehicle suspension are thus thoroughly evaluated by comparing with those of the passive full-vehicle suspension. The results show that the proposed controller can ideally improve multiobjective suspension performances of the ride comfort and handling safety. The proposed harmonic, rounded pulse and real road measured random signals with delay time and asymmetric amplitudes are suitable for accurately analyzing the vertical, pitch and roll motion properties of MR full-vehicle suspension system in a more realistic road excitation manner. This research has important theoretical significance for improving application study on the intelligent MR semi-active suspension.ZHANG Hailong WANG Enrong MIN Fuhong SUBASH Rakheja SU Chunyi 2013Chinese Journal of Mechanical Engineering2013,26,3:11
3Graphene-induced Pd nanodendrites: A high performance hybrid nanoelectrocatalyst显示文摘一条灵巧、绿的途径被开发了为在里面基于塑造树突的 Pd, nanostructures 在 graphene (RG ) 上支持了的混合 nanomaterials 的 situ 合成。同样综合的混合 nanomaterials (RG-PdnDs ) 被高分辨率传播电子显微镜学, X 光检查光电子光谱学,原子力量显微镜学,拉曼光谱学和电气化学的技术彻底地描绘了。graphene 支持上的如此的塑造树突的 Pd nanostructures 的形成的机制用 TEM 大小被阐明了。RG 导致形成,并且在塑造起一个明确的作用,它的表面上的 Pd nanostructures 的树突形态学。周期的 voltammetry 和 chronoamperometry 技术被采用了向甲醇的氧化评估 RG-PdnDs 的电气化学的表演。电气化学(EC ) RG-PdnDs 的活动与支持 graphene 的球形形状的 Pd nanostructures,独自一个的 Pd nanodendrites 和商业可得到的 Pd/C 相比对应物。graphene 支持的联合效果和 RG-PdnDs 的树突形态学触发高 electrocatalytic 活动并且导致柔韧的忍耐到毒害的公司。Subash Chandra Sahu Aneeya K. Samantarat Ajit Dash R. R. Juluri Ranjan K. Sahu B. K. Mishra Bikash Kumar Jena (1~3) 2013Nano Research2013,6,9:4
4Neuroprotective effects of berry fruits on neurodegenerative diseases显示文摘Recent clinical research has demonstrated that berry fruits can prevent age-related neurodegenerative diseases and improve motor and cognitive functions. The berry fruits are also capable of modulating signaling pathways involved in inflammation, cell survival, neurotransmission and enhancing neuroplasticity. The neuroprotective effects of berry fruits on neurodegenerative diseases are related to phytochemicals such as anthocyanin, caffeic acid, catechin, quercetin, kaempferol and tannin. In this review, we made an attempt to clearly describe the beneficial effects of various types of berries as promising neuroprotective agents.Selvaraju Subash Musthafa Mohamed Essa Samir Al-Adawi Mushtaq A.Memon Thamilarasan Manivasagam Mohammed Akbar 2014Neural Regeneration Research2014,9,16:3
5Salivary gland disorders:A comprehensive review显示文摘Salivary glands are complex in nature. They could be either tubulo acinar, merocrine or exocrine glands secreting mainly saliva. Salivary gland is one of the main soft tissue structures in the maxillofacial area. Saliva is a clear, slightly acidic muco serous fluid that coats the teeth, mucosa and thereby helps to create and maintain a healthy environment in the oral cavity. Salivary glands may be affected by a number of diseases: local and systemic and the prevalence of salivary gland diseases depend on various etiological factors. The glands may be infected byviral, bacterial, rarely fungal or its ductal obstruction which may cause painful swelling or obstruction, affecting their functions. The salivary gland may also be affected by a various benign and malignant tumours. This review article briefly describes about the various salivary gland disorders, diagnostic techniques and their management including the recent advances and the future perspective.Shashikala Krishnamurthy Subash Beloor Vasudeva Sandhya Vijayasarathy 2015World Journal of Stomatology2015,4,2:3
6Hypersusceptibility to Vesicular Stomatitis Virus Infection in Dicer1-Deficient Mice Is Due to Impaired miR24 and miR93 Expression显示文摘Motoyuki Otsuka Qing Jing Philippe Georgel Liguo New Jianming Chen Johann Mols Young Jun Kang Zhengfan Jiang Xin Du Ryan Cook Subash C. Das Asit K. Pattnaik Bruce Beutler Jiahuai Han 2007Immunity2007,,1:2
7Discovery of Curcumin, a Component of the Golden Spice,and Its Miraculous Biological Activities显示文摘Subash C Gupta Sridevi Patchva Wonil Koh 2012Clin Exp Pharmacol Physiol2012,39,3:1
8Foreign Direct Investment and R&D:Substitutes or Complements--A Case of Indian Manufacturing after 1991 Re- forms 显示文摘Subash S 2011World Development2011,39,7:1
9Hazardous effect of organophosphate compound, dichlorvos in transgenic Drosophila melanogaster (hsp70-lacZ ): Induction of hsp70 , anti-oxidant enzymes and inhibition of acetylcholinesterase显示文摘Subash Chandra Gupta Hifzur Rahman Siddique Daya Krishna Saxena Debapratim Kar Chowdhuri 2005BBA - General Subjects2005,,1:1
10Post‐transplant biliary complications: An analysis from a predominantly living donor liver transplant center显示文摘Manav Wadhawan Ajay Kumar Subash Gupta Neerav Goyal Rajeev Shandil Sunil Taneja Anupam Sibal 2013J Gastroenterol Hepatol2013,,6:1
11In vitro antioxidant and in vivo anti-inflammatory potential of crude polysaccharide from Turbinaria ornata (Marine Brown Alga)显示文摘Subash Ananthi Hanumantha Rao Balaji Raghavendran Adoor Gopalan Sunil Veeraraghavan Gayathri Ganapathy Ramakrishnan Hannah R. Vasanthi 2009Food and Chemical Toxicology2009,,1:1
12Influence of water stress on leaf photosynthetic characteristics in wheat cultivars differing in their susceptibility to drought显示文摘Subrahmanyam D Subash N Haris A 2006Photosynthetiea2006,44,1:1
13Comparative outcomes of manual small incision cataract surgeryand phacoemulsification performed by ophthalmology traineesin a tertiary eye care hospital in India;a retrospective cohort de-sign显示文摘Khanna RC Kaza S Palamaner Subash Shantha G Sangwan VS 2012BMJ Open2012,2,5:1
14Adherent Escherichia coli in colorectal mucosal biopsies: A histological and ultrastructural evaluation显示文摘Susama Patra Subash Samal Gagandeep Kang Anna Pulimood Minnie Mathan Balakrishnan Ramakrishna 2012Indian Journal of Pathology and Microbiology2012,,4:1
15The expanding universe of Tcell subsets:Th1,Th2 and more显示文摘Mosmann TR and Subash Sad 1996Immunology Today1996,17,3:1
16Highly efficient, solar active, and reusable photocatalyst: Zr-loaded Ag-ZnO for reactive red 120 dye degradation with synergistic effect and dye-sensitized mechanism 显示文摘Subash B Krishnakumar B Swaminathan M 2013Langmuir2013,29,3:1
17Influence of wa ter stress on leaf photosynthetic characteristics in wheat culti vars differing in their susceptibility to drought显示文摘Subrahmanyam D Subash N Haris A 2006Photosyn thetica2006,44,1:1
18Curcumin suppresses proliferation and induces apoptosis in human biliary cancer cells through modulation of multiple cell signaling pathways 显示文摘Suksanti P Subash CG Ji H 2011Carcinogenesis2011,32,9:1
19Influence of waterstress on leaf photosynthetic characteristics in wheat cultivars dif-fering in their susceptibility to drought显示文摘Subrahmanyam D Subash N Haris A 2006Photo-synthetica2006,44,1:1
20Influence of water stress on leaf photosynthetic characteristics in wheat cultivars differing in their susceptibility to drought 显示文摘Subrahmanyam D Subash N Hafts A 2006Photosynthetica2006,44,:1
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