全部文献期刊会议图书|学者科研项目
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作者:Xiangrong Shen , Haoran Wei ...
来源:[J].International Journal of Speech Technology, 2017, Vol.20 (4), pp.753-759
摘要:During our pronunciation process, the position and movement properties of articulators such as tongue, jaw, lips, etc are mainly captured by the articulatory movement features (AMFs). This paper investigates to use the AMFs for short-duration text-dependent speaker verification. ...
作者:Xiangrong Shen , Weijun Li
来源:[J].PLoS ONE(IF 3.73), 2017, Vol.9 (7)
摘要:The presence of an intonational phrase boundary is often marked by three major acoustic cues: pause, final lengthening, and pitch reset. The present study investigates how these three acoustic cues are weighted in the perception of intonational phrase boundaries in two experiment...
作者:Xiangrong Shen
来源:[J].Control Engineering Practice(IF 1.669), 2009, Vol.18 (3), pp.311-317
摘要:Abstract(#br)This paper proposes a control methodology of the pneumatic artificial muscle (PAM) actuated servo systems. The four major processes in such systems, including the flow dynamics, pressure dynamics, force dynamics, and load dynamics, are studied to develop a full nonli...
作者:Sai-Kit Wu , Garrett Waycaster , Xiangrong Shen
来源:[J].Control Engineering Practice(IF 1.669), 2011, Vol.19 (8), pp.875-882
摘要:Abstract(#br)This paper presents a new electromyography (EMG)-based control approach for above-knee (AK) prostheses, which enables the user to control the prosthesis motion directly with his or her muscle activating neural signals. Furthermore, the unique ‘active–reacti...
作者:... Md Rejwanul Haque , Xiangrong Shen , Antonio Fernández-Caballero
来源:[J].Journal of Healthcare Engineering(IF 0.662), 2017, Vol.2017
摘要:Standing up from a seated position is a common activity in people’s daily life. However, for transfemoral (i.e., above-knee) amputees fitted with traditional passive prostheses, the sit-to-stand (STS) transition is highly challenging, due to the inability of the prosthetic j...
作者:Abul Doulah , Xiangrong Shen , Edward Sazonov
来源:[J].Physiological Measurement(IF 1.496), 2016, Vol.37 (4)
摘要:A powered lower extremity orthotic brace can potentially be used to assist frail elderly during daily activities. This paper presents a method for an early detection of the initiation of sit-to-stand (SiSt) posture transition that can be used in the control of the powered or...
作者:Hao Zheng , Xiangrong Shen
来源:[J].Journal of Bionic Engineering(IF 1.144), 2015, Vol.12 (2), pp.217-226
摘要:Abstract(#br)This paper presents the design and control of a pneumatically actuated transtibial prosthesis, which utilizes a pneumatic cylinder-type actuator to power the prosthetic ankle joint to support the user's locomotion. The pneumatic actuator has multiple advantages over ...
作者:Tad Driver , Xiangrong Shen
来源:[J].Journal of Bionic Engineering(IF 1.144), 2013, Vol.10 (2), pp.222-230
摘要:Abstract(#br)This paper presents the concept and prototype demonstration results of a new sleeve muscle actuator, which provides a significantly improved performance through a fundamental structural change to the traditional pneumatic muscle. Specifically, the sleeve muscle ...
作者:Hao Zheng , Xiangrong Shen
来源:[J].Actuators, 2013, Vol.2 (4), pp.129-144
摘要:This paper presents a new type of muscle-like actuator, namely double-acting (DA) sleeve muscle actuator, which is suitable for the actuation of biologically-inspired and biomedical robotic systems, especially those serving human-assistance purposes (prostheses, orthoses, etc.). ...
作者:Tad Driver , Xiangrong Shen
来源:[J].International Journal of Fluid Power, 2013, Vol.14 (1), pp.37-45
摘要:Abstract(#br)Pneumatic actuators enjoy a number of unique advantages, such as high power density and low cost, in comparison with the widely used electromagnetic actuators. In this paper, a new force control approach is presented for pneumatic actuation systems, with the objectiv...

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