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Browsing School of Engineering by Title

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  • Molecular-based detection of potentially pathogenic bacteria in membrane bioreactor (MBR) systems treating municipal wastewater 
    Harb, Moustapha; Hong, Pei-Ying (2019-03-08)
    Although membrane bioreactor (MBR) systems provide better removal of pathogens compared to conventional activated sludge processes, they do not achieve total log removal. The present study examines two MBR systems treating ...
  • Moments based computation of intermodulation distortion of mixer circuits publisher 
    Tannir, Dani; Khazaka, Roni (IEEE, 2020-07-23)
    The main figure of merit used to evaluate nonlinear distortion is the third order intercept point (IP3). Traditional methods for obtaining IP3 are either simulation based and suffer from a high CPU cost due to the large ...
  • Moments-based computation of intermodulation distortion of RF circuits 
    Tannir, Dani; Khazaka, Roni (2020-07-17)
    Linearity is one of the main design requirements for RF circuits, and one of the main figures of merit used to measure linearity is the third-order intercept point (IP3). However, obtaining the IP3 using traditional harmonic ...
  • Moments-based parametric sensitivity analysis of X-parameters 
    Kassis, Marco T.; Tannir, Dani; Toukhtarian, Raffi; Khazaka, Roni (2020-07-17)
    The polyharmonic distortion parameters of a nonlinear structure or circuit block, often referred to as X-parameters (X-parameters is a registered trademark of Agilent Technologies) relate the different harmonics of the ...
  • Moments-based sensitivity analysis of X-parameters with respect to linear and nonlinear circuit components 
    Kassis, Marco T.; Tannir, Dani; Toukhtarian, Raffi; Khazaka, Roni (IEEE, 2020-07-23)
    The X-parameters of a nonlinear structure or circuit block relate the different harmonics of the incident power waves to the reflected ones in the frequency domain. Recently, a moments based approach for the computation ...
  • A Monte Carlo simulation model for the adequacy evaluation of generating systems 
    Ghajar, R.; Billinton, R. (2017-10-12)
    Monte Carlo simulation can be used to provide an attractive alternate approach to direct analytical evaluation in generating system adequacy studies. The simulation approach provides the ability to relax some of the ...
  • MoveSchedule 
    Zouein, Pierette (University of Michigan, 2018-09-17)
    Site layout planning is crucial for enhancing the overall efficiency of construction operations and for reducing materials (re)location costs. More importantly, it helps identify construction time periods with potential ...
  • Multi-harmonic nonlinear modeling of low-power PWM DC-DC converters operating in CCM and DCM 
    Wang, Ya; Gao, Di; Tannir, Dani A.; Li, Peng (IEEE, 2020-07-23)
    DC-DC converters form an essential component of modern low-power integrated circuits. This paper presents a novel nonlinear modeling technique for pulse-width modulated (PWM) DC-DC converters for low-power applications. ...
  • Multi-scale modeling of ion transport in high-strain ionomers with conducting powder electrodes 
    Akle, Barbar; Leo, Donald J.; He, Xingxi (2018-01-22)
    Ionomeric polymer transducers exhibit electromechanical coupling capabilities. The ion transport due to electric stimulus is the primary mechanism of actuation for a class of polymeric active materials known as ionomeric ...
  • Multidimensional Gains for Stochastic Approximation 
    Saab, Samer S.; Shen, Dong (2019-07-24)
    This paper deals with iterative Jacobian-based recursion technique for the root-finding problem of the vector-valued function, whose evaluations are contaminated by noise. Instead of a scalar step size, we use an ...
  • Multiharmonic small-signal modeling of low-power PWM DC-DC converters 
    Wang, Ya; Gao, Di; Tannir, Dani; Dong, Ning; Fang, Peter G.; Dong, Wei; Li, Peng (2020-07-17)
    Small-signal models of pulse-width modulation (PWM) converters are widely used for analyzing stability and play an important role in converter design and control. However, existing small-signal models either are based on ...
  • Multilayer ionic polymer transducer 
    Akle, Barbar J.; Leo, Donald J. (SPIE, 2017-06-01)
    A transducer consisting of multiple layers of ionic polymer material is developed for applications in sensing, actuation, and control. The transducer consists of two to four individual layers each approximately 200 microns ...
  • Multilayer ionic transducers 
    Akle, Barbar J. (V irginia Polytechnic Institute and State U niversity, 2018-01-22)
    A transducer consisting of multiple layers of ionic polymer material is developed for applications in sensing, actuation, and control. The transducer consists of two to four individual layers each approximately 200 microns ...
  • Multimodal method for coseismic landslide hazard assessment 
    Grant, Alex; Wartman, Joseph; Abou-Jaoude, Grace (2018-02-28)
    Regional-scale coseismic landslide hazard assessments have traditionally been based on infinite-slope analyses, considering only a single mode of failure. Inventories and landslide reconnaissance work have shown a diverse ...
  • Multimodal method for landslide risk analysis 
    Pollock, William; Grant, Alex; Wartman, Joseph; Abou-Jaoude, Grace (2022-06-09)
    Quantitative landslide risk analysis is a key step in creating appropriate land use policies. However, regional scale landslide hazard and risk studies are traditionally based on a single, infinite-slope style of failure, ...
  • A multiple period capacitated inventory model for airline fuel management 
    Zouein, Pierrette; Abillama, W.R.; Tohme, E. (2016-02-18)
    One of the major operating cost items of an airline company is fuel, which can amount to approximately 20% of its overall operating cost. This paper presents a decision support model that determines the amount of fuel to ...
  • Multiple Site-Specific Analyses of the Stability of Quarried Slopes in Lebanon Based on Unmanned Aerial Vehicle Photogrammetry 
    Solh, Saad Allah (Lebanese American University, 2022-05-10)
    Landslide hazards associated with the quarrying sector in Lebanon are a source of public concern due to the adverse environmental and social impacts imposed by illegal quarrying activities. Such activities have been leading ...
  • A Multiple-Access Time and Frequency Spectrum-Spreading Modulation 
    Saab, Samer S.; Khalife, Joe; Jaafar, Rayana H. (2019-08-08)
    In this paper a novel modulation scheme called Carrier Interleaved Multiple Access (CIMA) is proposed. CIMA provides an alternative for multiple-access modulation accommodating resistance to noise and channel interference. ...
  • Multivariable Non-adaptive Controller Design 
    Saab, Samer Jr.; Hauser, Michael; Ray, Asok; Saab, Samer (2020-07-10)
    Although proportional-integral-derivative (PID) control remains one of the most common control schemes used in industry, its tuning still remains inadequately understood in many applications. This task becomes much more ...
  • A multivariable stochastic tracking controller for robot manipulators without joint velocities 
    Saab, Samer S.; Ghanem, Paul (2019-07-23)
    The objective of this paper is to design a discrete-time multivariable controller for a class of robot manipulators without using joint velocities while possessing tracking ability and yielding smooth torque signals. The ...

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