Search Results - "Farrell, Todd R."

Comparison between Two Time Synchronization and Data Alignment Methods for Multi-Channel Wearable Biosensor Systems Using BLE Protocol by Wang, He, Li, Jianan, McDonald, Benjamin E, Farrell, Todd R, Huang, Xinming, Clancy, Edward A

“…Wireless wearable sensor systems for biomedical signal acquisition have developed rapidly in recent years. Multiple sensors are often deployed for monitoring…”
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Application-Layer Time Synchronization and Data Alignment Method for Multichannel Biosignal Sensors Using BLE Protocol by Li, Jianan, Quintin, Eric, Wang, He, McDonald, Benjamin E, Farrell, Todd R, Huang, Xinming, Clancy, Edward A

“…Wearable wireless biomedical sensors have emerged as a rapidly growing research field. For many biomedical signals, multiple sensors distributed about the body…”
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Myoelectric Control Performance of Two Degree of Freedom Hand-Wrist Prosthesis by Able-Bodied and Limb-Absent Subjects by Zhu, Ziling, Li, Jianan, Boyd, William J., Martinez-Luna, Carlos, Dai, Chenyun, Wang, Haopeng, Wang, He, Huang, Xinming, Farrell, Todd R., Clancy, Edward A.

“…Recent research has advanced two degree-of-freedom (DoF), simultaneous, independent and proportional control of hand-wrist prostheses using surface…”
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EMG-Force and EMG-Target Models During Force-Varying Bilateral Hand-Wrist Contraction in Able-Bodied and Limb-Absent Subjects by Zhu, Ziling, Martinez-Luna, Carlos, Li, Jianan, McDonald, Benjamin E., Dai, Chenyun, Huang, Xinming, Farrell, Todd R., Clancy, Edward A.

“…System identification models relating forearm electromyogram (EMG) signals to phantom wrist radial-ulnar deviation force, pronation-supination moment and/or…”
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Two degrees of freedom quasi-static EMG-force at the wrist using a minimum number of electrodes by Clancy, Edward A, Martinez-Luna, Carlos, Wartenberg, Marek, Dai, Chenyun, Farrell, Todd R

“…Abstract Surface electromyogram-controlled powered hand/wrist prostheses return partial upper-limb function to limb-absent persons. Typically, one degree of…”
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A Comparison of the Effects of Electrode Implantation and Targeting on Pattern Classification Accuracy for Prosthesis Control by Farrell $^\ast$, Todd R., Weir, Richard F. ff

“…The use of surface versus intramuscular electrodes as well as the effect of electrode targeting on pattern-recognition- based multifunctional prosthesis…”
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The Optimal Controller Delay for Myoelectric Prostheses by Farrell, Todd R., Weir, Richard F.

“…A tradeoff exists when considering the delay created by multifunctional prosthesis controllers. Large controller delays maximize the amount of time available…”
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Force/moment tracking performance during constant-pose, force-varying, bilaterally symmetric, hand-wrist tasks by Zhu, Ziling, Martinez-Luna, Carlos, Li, Jianan, McDonald, Benjamin E., Huang, Xinming, Farrell, Todd R., Clancy, Edward A.

“…Bilateral movement is widely used for calibration of myoelectric prosthesis controllers, and is also relevant as rehabilitation therapy for patients with motor…”
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Two degrees of freedom, dynamic, hand-wrist EMG-force using a minimum number of electrodes by Dai, Chenyun, Zhu, Ziling, Martinez-Luna, Carlos, Hunt, Thane R., Farrell, Todd R., Clancy, Edward A.

“…Few studies have related the surface electromyogram (EMG) of forearm muscles to two degree of freedom (DoF) hand-wrist forces; ones that have, used large…”
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Determining delay created by multifunctional prosthesis controllers by Farrell, Todd R

“…This editorial focuses on analysis window issues from the perspective of EMG-based multifunctional prosthesis control. However, the work described can be…”
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Virtual regression-based myoelectric hand-wrist prosthesis control and electrode site selection using no force feedback by Li, Jianan, Zhu, Ziling, Boyd, William J., Martinez-Luna, Carlos, Dai, Chenyun, Wang, Haopeng, Wang, He, Huang, Xinming, Farrell, Todd R., Clancy, Edward A.

“…•1. Regression-based simultaneous, independent and proportional 2-DoF hand-wrist virtual myoelectric prosthesis control.•2. Automatic selectiion of best…”
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Power Consumption and Maximum Number of Supported Nodes for BLE Biosensor Applications by Rajotte, Kiriaki, Wooding, Anson, Li, Jianan, McDonald, Benjamin E., Huang, Xinming, Farrell, Todd R., Clancy, Edward A.

“…There has been significant growth in wearable wireless patient physiological monitoring over the last decade. Many applications require a real-time,…”
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The effects of static friction and backlash on extended physiological proprioception control of a powered prosthesis by Farrell, Todd R, Weir, Richard F, Heckathorne, Craig W, Childress, Dudley S

“…In general, externally powered prostheses do not provide proprioceptive feedback and thus require the user to rely on cognitively expensive visual feedback to…”
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Efficiently Training Two-DoF Hand-Wrist EMG-Force Models by Bardizbanian, Berj, Zhu, Ziling, Li, Jianan, Huang, Xinming, Dai, Chenyun, Martinez-Luna, Carlos, McDonald, Benjamin E., Farrell, Todd R., Clancy, Edward A.

“…Single-use EMG-force models (i.e., a new model is trained each time the electrodes are donned) are used in various areas, including ergonomics assessment,…”
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Evaluation of BLE Star Network for Wireless Wearable Prosthesis/Orthosis Controller by Rajotte, Kiriaki J., Wooding, Anson, McDonald, Benjamin E., Farrell, Todd R., Li, Jianan, Huang, Xinming, Clancy, Edward A.

“…Concomitant improvements in wireless communication and sensor technologies have increased capabilities of wearable biosensors. These improvements have not…”
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A pilot study assessing ipsilateral vs. contralateral feedback in EMG-force models of the wrist for upper-limb prosthesis control by Clancy, Edward A., Chenyun Dai, Wartenberg, Marek, Martinez-Luna, Carlos, Hunt, Thane R., Farrell, Todd R.

“…Many advanced EMG-based upper-limb prosthesis control methods require model training in which subjects produce supervised forces/movements. Since unilateral…”
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Pilot comparison of surface vs. implanted EMG for multifunctional prosthesis control by Farrell, T.R., Weir, R.F.

“…The classification accuracies of controllers utilizing EMG input from six surface and ten intramuscular recordings are compared. In addition, the effect of…”
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