Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 332 for “"optimal performance"”.
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The Role of Situational and Dispositional Factors on Sub-Optimal Performance
Pressure is known to decrease performance for well-practiced tasks. Research has found that pressure decreases performance for those with high self-consciousness when distracted, but the effects of pressure and distraction are not known for those with low self-consciousness. Therefore, the purpose …
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An Analysis of the Northern Ireland Beef Supply Chain- Barriers, Opportunities and Recommendations for Optimal Performance
… heavy reliance on subsidy, which impacts on the performance of the supply chain. There is significant evidence to suggest that the beef supply chain as a whole entity is under investigated in relation to identifying weaknesses and areas of improvement along the length of the supply chain. Little …
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Supervisory control with online learning for stabilization and near-optimal performance of time-varying linear systems
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-05-01
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Aeroelastic Modeling of Blade Vibration and its Effect on the Trim and Optimal Performance of Helicopter Rotors using a Harmonic Balance Approach
… concerns the optimization of the aeroelastic performance of conventional</p><p>helicopter rotors, considering various design variables such cyclic and higher</p><p>harmonic controls. A nite element model is introduced to model the structural</p><p>eects of the blade, and a coupled induced …
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Modelling and Evaluation of Performance, Security and Database Management Trade-offs in Cloud Computing Platforms. An investigation into quantitative modelling and simulation analysis of ‘optimal’ performance, security and database management trade-offs in Cloud Computing Platforms (CCPs), based on Stochastic Activity Networks (SANs) and a three-tier combined metrics
A framework for the quantitative analysis of performance, security and database management within a network system (e.g. a cloud computing platform) is presented within this research. Our study provides a methodology for modelling and quantitatively generating significant metrics needed in the …
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L(1)-Optimal Control Using State Space, Controlled Invariance Based Methods
… approach to produce an estimate which is optimal in an $\ell\sp{\infty}$-induced norm sense. The controlled invariance based solution method is then generalized to linear periodically time varying (LPTV) systems. The resulting control law construction method can be used to produce a …
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Single-degree-of-freedom energy harvesters by stochastic excitation
In this thesis, the performance criteria for the objective comparison of different classes of single-degree-of-freedom oscillators under stochastic excitation are developed. For each family of oscillators, these objective criteria take into account the maximum possible energy harvested for a given …
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GPU Resource Optimization and Scheduling for Shared Execution Environments
… code refinements in order to continue to achieve optimal performance. At the same time, not all applications require full utilization of the system to achieve that optimal performance. In this case, the increased capability of new architectures introduces an ever-widening gap between the level of …
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Policy goals and economic incentives: the case of sheltered workshops
… the agency can be motivated to more socially optimal performance. The conceptual paradigm for the paper is in three parts: first, a process orientation taken from the Institutional School; secondly, identification of the functioning management rationale; and finally, the role of incentives in …
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The art and science of winning: professional cricket coaching as transdisciplinary practice
… work in the public domain. It focuses on how to optimally coach and manage teams to win across multiple formats in professional cricket. Examining and reflecting on the process of how this took place: the campaigns, the engagement with the team and performer, with the ultimate goal of optimizing …
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The Study of a Unique Athletic Population: Health Concerns, Interventions, and Prevention in Elite Ballet Dancers
… Triad, including low energy availability, suboptimal bone density and menstrual irregularities. In addition, we hypothesized that elite female dancers would have lower than expected resting metabolic rate (RMR) based upon their fat-free mass, and thus greater energetic efficiency as a result …
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Efficient Array Processing for Partial Signal Coherence
… to mechanical deformations in the array itself. Optimally dealing with partial signal coherence typically requires modeling the array response as random, leading to complicated combining schemes to achieve optimal performance. The optimal detector is uniquely different than conventional detectors …
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Learning-Based Pareto Optimal Control of Large-Scale Systems with Unknown Slow Dynamics
We develop a data-driven approach to Pareto optimal control of large-scale systems, where decision makers know only their local dynamics. Using reinforcement learning, we design a control strategy that optimally balances multiple objectives. The proposed method achieves near-optimal performance and …
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Optimal rejection of nonstationary narrowband disturbances for flexible systems
Optimal performance and optimal allocation of resources, such as pointing accuracy and onboard fuel utilization, are of primary concern in the design and operation of precision pointing spacecraft. Ironically, internal spacecraft instruments and reaction control actuators often act as sources of …
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Applying Supervised Machine Learning Techniques to Municipal Bond Trading
… them iv. How to fine‐tune parameters for optimal performance
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Exploring lift-off dynamics in a jumping robot
… and phase are systematically varied to find optimal performance. Optimal jumps occur above and below (but not at) the robot's resonant frequency f0. Two distinct jumping modes emerge: a simple jump which is optimal above f0 is achievable with a squat maneuver, and a peculiar stutter jump …
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Rate-Accuracy Trade-Off as a Function of Test-Taking Response Styles, Perception of Time, and Test Anxiety: A Training Study
… high test anxious high school students utilize optimal performance strategies when working on standardized tests. Thirty-three high and low anxious students completed a 3-week training program on "test-taking skills." Subjects were assigned to one of three training conditions: Rate-Accuracy …
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Some design consideration of switching regulator using current-injected control
… in order to optimize the switching regulator performances. In addition, an external ramp slope is proposed to obtain the optimal performance and eliminate the 50% duty cycle instability when operated in constant frequency mode. The effects of the second stage output filter are also examined.
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Self-tuning dynamic voltage scaling techniques for processor design
… has proven to be ideal in regard to balancing performance and energy consumption of a processor since it allows for almost cubic reduction in dynamic power consumption with only a nearly linear reduction in performance. Due to its virtue, the DVS technique has been used for the two main …
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Single video performance analysis for video-on-demand systems
… with fixed heavy-tailed video demand. The performance measure is the amount of server load; we wish to minimize the total download rate for all users from the server and maximize the rate from caches. Our approach reduces the analysis for multiple videos to consideration of decoupled …
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