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Upper arm rehabilitation for stroke patients using computer controlled functional electrical stimulation and motion sensors 计算机控制的功能性电刺激和运动传感器在脑卒中患者上臂康复中的应用
... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference Pub Date : 2014-01-01 DOI: 10.1109/i2mtc.2014.6860906
Aruneema Das, D. Howard, L. Kenney, R. Dutta
{"title":"Upper arm rehabilitation for stroke patients using computer controlled functional electrical stimulation and motion sensors","authors":"Aruneema Das, D. Howard, L. Kenney, R. Dutta","doi":"10.1109/i2mtc.2014.6860906","DOIUrl":"https://doi.org/10.1109/i2mtc.2014.6860906","url":null,"abstract":"","PeriodicalId":93508,"journal":{"name":"... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72847761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pulse-width programmable gain integrating amplifier 脉宽可编程增益积分放大器
... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference Pub Date : 2013-05-06 DOI: 10.1109/I2MTC.2013.6555727
Anderson Paiva de Figueiredo, Michel Santana de Deus, S. Catunda, F. Sousa
{"title":"Pulse-width programmable gain integrating amplifier","authors":"Anderson Paiva de Figueiredo, Michel Santana de Deus, S. Catunda, F. Sousa","doi":"10.1109/I2MTC.2013.6555727","DOIUrl":"https://doi.org/10.1109/I2MTC.2013.6555727","url":null,"abstract":"An architecture of a programmable gain integrating amplifier is presented. The circuit operates using two clock phases for sampling and amplification and the gain is defined by the ratio between the pulse-width of a control signal and the integrator time constant, which is defined by a resistor and capacitor. The proposed architecture also has configuration switches that enable its use in the modes differential, direct single-ended or with DC adjustment and calibration. Simulation and experimental results from a developed circuit prototype are presented.","PeriodicalId":93508,"journal":{"name":"... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2013-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79977975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Experimental platform for faults detection in fuzzy controllers based on artificial immune systems 基于人工免疫系统的模糊控制器故障检测实验平台
... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference Pub Date : 2013-05-06 DOI: 10.1109/I2MTC.2013.6555485
R. Lima, B. Arruda, C. P. Souza
{"title":"Experimental platform for faults detection in fuzzy controllers based on artificial immune systems","authors":"R. Lima, B. Arruda, C. P. Souza","doi":"10.1109/I2MTC.2013.6555485","DOIUrl":"https://doi.org/10.1109/I2MTC.2013.6555485","url":null,"abstract":"An Artificial-Immune-System (AIS) based anomaly detection system applied to Water Supply System (WSS) is presented. At normal working, the pressure level into the WSS is controlled by a Fuzzy Control System. As the WSS is composed of pressure sensors, valves, pumps, and other devices, faults in these devices causing abnormal disturbances can occur. An algorithm of AIS, namely, the Negative Selection Algorithm (NSA), is the base of the proposed anomaly detection system. The NSA verifies abnormal system conditions based on the normal system conditions. Experimental results show that the proposed system is effective in order to detect anomaly.","PeriodicalId":93508,"journal":{"name":"... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2013-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86208064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Uncertainty analysis of a superregenerative pulse-width programmable gain amplifier 超再生脉宽可编程增益放大器的不确定度分析
... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference Pub Date : 2013-05-06 DOI: 10.1109/I2MTC.2013.6555429
Anderson Paiva de Figueiredo, S. Catunda, F. Sousa
{"title":"Uncertainty analysis of a superregenerative pulse-width programmable gain amplifier","authors":"Anderson Paiva de Figueiredo, S. Catunda, F. Sousa","doi":"10.1109/I2MTC.2013.6555429","DOIUrl":"https://doi.org/10.1109/I2MTC.2013.6555429","url":null,"abstract":"In this paper, we analyze the propagation of uncertainties in a programmable gain amplifier. The circuit is based on a superregenerative configuration and its gain is set by the duty-cycle of a digital signal. The uncertainty analysis allows for better component specifications in the circuit design, identifying the sources of uncertainties that play major role on the final gain uncertainty.","PeriodicalId":93508,"journal":{"name":"... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2013-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74376256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Adding errors to reduce the PAPR and BER of OFDM-based transmissions 增加误差以降低基于ofdm的传输的PAPR和BER
... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference Pub Date : 2013-05-06 DOI: 10.1109/I2MTC.2013.6555514
N. Björsell, W. Moer
{"title":"Adding errors to reduce the PAPR and BER of OFDM-based transmissions","authors":"N. Björsell, W. Moer","doi":"10.1109/I2MTC.2013.6555514","DOIUrl":"https://doi.org/10.1109/I2MTC.2013.6555514","url":null,"abstract":"When transmitting signals, one of the most important issues is to keep the transmission errors as low as possible. Or in other words, to obtain a reliable transmission link, the bit-error-rate (BER) should be kept within certain limits. However, the probability of transmission errors strongly depends on the signal-to-noise ratio (SNR) of the transmitted signals. Hence, the power amplifier plays a key role in the sender part: the more power, the higher the SNR, the lower the probability of transmission errors. Unfortunately, this is a too simple vision. One should take care to keep the peak-to-average power ratio (PAPR) of the transmitted signal low in order not to push the power amplifier into its nonlinear operation region. Classical techniques use clipping or backing-off the input signal to reduce the PAPR of the transmitted signal. However, these techniques have a negative influence on the SNR and hence on the BER. In this paper, we present a technique to reduce the PAPR of the transmitted signals and hence to reduce the BER, by introducing errors into Orthogonal Frequency Division Multiplexing (OFDM) signals in a controlled way. Channel coding will be used to compensate for the introduced errors.","PeriodicalId":93508,"journal":{"name":"... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2013-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74400407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Post-Correction of Under-Sampled Analog to Digital Converters 欠采样模数转换器的后校正
... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference Pub Date : 2007-05-01 DOI: 10.1109/IMTC.2007.379429
N. Björsell, P. Händel
{"title":"Post-Correction of Under-Sampled Analog to Digital Converters","authors":"N. Björsell, P. Händel","doi":"10.1109/IMTC.2007.379429","DOIUrl":"https://doi.org/10.1109/IMTC.2007.379429","url":null,"abstract":"Applications with wide bandwidth and high center frequencies force the analog to digital converter (ADC) to be active in a working range with less dynamic performance in relation to lower frequency bands. However using under-sampling techniques in combination with post-correction methods enable a combination of high sampling rate, wide bandwidth and low distortion. In this paper the employed dynamic post-correction is a combination of look-up tables and model based correction. The results are mainly based on measurements on a 12-bit 210 MSPS ADC. The improvement in total harmonic distortion and spurious free dynamic range are acceptable over a wide frequency range and it is robust to variations in amplitude.","PeriodicalId":93508,"journal":{"name":"... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2007-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83111455","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Fast Change of Windows Properties 快速更改Windows属性
... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference Pub Date : 2006-04-24 DOI: 10.1109/IMTC.2006.328341
M. Jaskula
{"title":"Fast Change of Windows Properties","authors":"M. Jaskula","doi":"10.1109/IMTC.2006.328341","DOIUrl":"https://doi.org/10.1109/IMTC.2006.328341","url":null,"abstract":"One of the tasks in signal analyzing is to use proper time window. There are a lot of windows with completely different properties in time and frequency domain. If we need analyze spectrum of the signal we would like to have high selectivity (narrow main lobe of the window) but because of leakage effect we achieve also high level of sidelobes. On the other hand, if we design FIR filter using time windows we need low level of stop band - the window should have sidelobes as low as possible: then we use a Blackman or a Kaiser window. We would like to propose the polynomial window and the simple method to achieve wide main lobe: squaring the computed time window with proper value of coefficients. Using this method the low order polynomial window has similar properties as Blackman or Dolph-Chebyshev window. The polynomial window can realize different criteria of optimization and has lower cost of computation than its competitors","PeriodicalId":93508,"journal":{"name":"... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84750644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Electronic Gate Detection for the Counting and Sizing of Cells or Colloidal Particles in Liquids: Front-End Characteristics, Specific Problems and their Remediation. Part 2: Experimental 液体中细胞或胶体颗粒的计数和大小的电子门检测:前端特征，具体问题及其补救。第二部分:实验
... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference Pub Date : 2005-05-16 DOI: 10.1109/IMTC.2005.1604384
F. Bisschop
{"title":"Electronic Gate Detection for the Counting and Sizing of Cells or Colloidal Particles in Liquids: Front-End Characteristics, Specific Problems and their Remediation. Part 2: Experimental","authors":"F. Bisschop","doi":"10.1109/IMTC.2005.1604384","DOIUrl":"https://doi.org/10.1109/IMTC.2005.1604384","url":null,"abstract":"Occurring jet flow and turbulence in the output compartment of gate detectors constitute presumed causes of fluctuating gate impedance and of dominant noise. Experiments with a dedicated detector, to some extent, confirm that presumption but also show a noticeable impact of configurational and hydrodynamic parameters","PeriodicalId":93508,"journal":{"name":"... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85964676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electronic Gate Detection for the Counting and Sizing of Cells or Colloidal Particles in Liquids: Front-end Characteristics, Specific Problems and their Remediation. Part 1: Physical Model and Equivalent Circuits. 液体中细胞或胶体颗粒的计数和大小的电子门检测:前端特性，具体问题及其补救。第1部分:物理模型和等效电路。
... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference Pub Date : 2005-05-16 DOI: 10.1109/IMTC.2005.1604383
F. Bisschop
{"title":"Electronic Gate Detection for the Counting and Sizing of Cells or Colloidal Particles in Liquids: Front-end Characteristics, Specific Problems and their Remediation. Part 1: Physical Model and Equivalent Circuits.","authors":"F. Bisschop","doi":"10.1109/IMTC.2005.1604383","DOIUrl":"https://doi.org/10.1109/IMTC.2005.1604383","url":null,"abstract":"DC, RF and LF operated gating for cell/particle counting and sizing in liquids are hindered by unstable gate impedance. Most problematic appear transients and fluctuations due to varying flow patterns of the carrier liquid. Their effects, largely hidden in DC-operated gating, cause broadening and shift of cell/particle size distributions. RF/LF-operated gating, more specifically the demodulation of the AM-encoded gate signal, is much more disturbed. For a systematic study of these effects, an equivalent circuit is presented along with a procedure to determine the system parameters","PeriodicalId":93508,"journal":{"name":"... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81255881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Introduction of a 2 transducer ultrasonic mass flow meter 介绍一种双换能器超声质量流量计
... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference Pub Date : 2005-05-16 DOI: 10.1109/IMTC.2005.1604372
J. V. Deventer
{"title":"Introduction of a 2 transducer ultrasonic mass flow meter","authors":"J. V. Deventer","doi":"10.1109/IMTC.2005.1604372","DOIUrl":"https://doi.org/10.1109/IMTC.2005.1604372","url":null,"abstract":"This article presents a new ultrasonic mass flow meter that has only two transducers. The mass flow is inferred from volumetric flow and density. Each of the transducers is an ultrasonic densitometer based on a design by Lynnworth. The flow is estimated by the transit time difference of the sound pulse between the up and downstream acoustic propagation. Beyond presenting the meter, this article does looks at its signal at zero flow to address the issue of reciprocity in transit time flow meters which is in contradiction with the theory of transit time flow meters","PeriodicalId":93508,"journal":{"name":"... IEEE International Instrumentation and Measurement Technology Conference. IEEE International Instrumentation and Measurement Technology Conference","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77168640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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