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 804 for “"suboptimal"”.
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Human Suboptimal Choice: Identifying Alternative Procedures
Suboptimal choice refers to choices that result in leaner schedules of reinforcement over richer schedules (Spetch et al., 1990). This has been demonstrated with non-human animals using procedures wherein two alternatives correspond to different stimuli and different probabilities of receiving …
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Suboptimal Feedback Control of Systems With Random Parameters
Made available in DSpace on 2014-12-08T22:24:13Z (GMT). No. of bitstreams: 1 6711934.pdf: 1950029 bytes, checksum: 26944468b0af8694447c8095262a9bd1 (MD5) Previous issue date: 1967
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Adaptive, suboptimal and nonlinear control of an aeroelastic system
… Riccati equation method. This design yields a suboptimal control law. Finally a nonlinear controller based on backstepping design is presented. Unsteady aerodynamic model is used for the design of the suboptimal controller using state dependent Riccati equation approach and nonlinear controller …
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Suboptimal estimator for the spatial orientation of a pilot
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1990.
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Experimental and Numerical Investigation of Lauric Acid Melting at Suboptimal Inclines
<p>Validation experiments are the baseline for completing numerical studies for engineering design. Applications of the enthalpy-porosity model have expanded in research with the growth of new technologies such as metal additive manufacturing or the renewed interest in thermal energy storage for …
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Suboptimal design of linear regulator systems subject to computer storage limitations
Massachusetts Institute of Technology. Dept. of Electrical Engineering. Thesis. 1967. Ph.D.
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The design of suboptimal linear regulators using reduced order aggregated models
An approach to the design of suboptimal linear regulators is developed. Two techniques are proposed for obtaining a reduced order aggregated model for a constant coefficient dynamic system. This model is then used to determine a suboptimal control law to solve an output regulator problem. The …
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Suboptimal period design for a maneuvering missile to evade tracking filters
… which minimize the EHITS in this study are suboptimal for the general engagement problem. Two methods are used to obtain the suboptimal periods: one is the ”brute force" method of computing the EHITS for certain equally spaced periods, the other uses an optimization software to search for …
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A new method for suboptimal control of a class of nonlinear systems
… (theta-D approximation). This approach obtains suboptimal solutions to nonlinear optimal control problems by finding an approximate solution to the Hamilton-Jacobi-Bellman (HJB) equation."--Abstract, page iii.
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Optimal and Suboptimal Signal Detection-On the Relationship Between Estimation and Detection Theory
… does not exist. For such cases, we introduce new suboptimal SF-Estimator Tests (SFETs) which are easy to derive for many problems. In the second part, we study the relationship between Constant False Alarm Rate (CFAR) and invariant tests. We generally show that for a family of distributions, the …
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Optimizing performance outcomes for bilateral cochlear implant users to offset suboptimal electrode pairings
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2023-12-01
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Tailoring Microenvironment and Orientation of Immobilized Lactase for Improved Catalysis at Suboptimal pH
The U.S. Greek yogurt market has experienced significant growth, rising from 1-2% in 2004 to 40% in 2015, resulting in a large amount of lactose-rich acid whey as a byproduct. Using lactase to transform this waste into valuable products has emerged as a promising solution. Covalent immobilization …
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Effects of chronic suboptimal energy intake on constant-load exercise in young women
… ~ 35 kcal/kg body weight) and 10 subjects with suboptimal energy intake (average caloric intake - 25 kcal/kg body weight) were matched for age, exercise caloric expenditure and percentage of HB-predicted RMR. Subjects (n=20) completed a maximal incremental cycle ergometer test and a 30-minute …
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The impact of suboptimal maternal diet on fetal heart development: Identifying targets for intervention
… guinea pig) to understand how exposure to a suboptimal diet (under- and overnutrition) at different timings, severities, and durations impacts growth, hormonal, metabolic, and contractile profiles within the fetal heart. Across studies, it was highlighted that high-risk cardiac phenotypes are …
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Concentration-dependent Splicing through Suboptimal Motifs Enables Waves of Gene Regulation in Neuronal Development
… observation of spatiotemporal regulation through suboptimal motifs in RNA-binding proteins, a phenomenon that may be a widespread. Furthermore, the characterization of Rbfox secondary motifs reveals new regulatory targets of an essential splicing factor, which may contribute to mammalian brain …
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Does Regulatory Scrutiny Change Investment Behavior? Evidence of Suboptimal Portfolio Rebalancing After the Financial Crisis
<p>Insurers that show losses are expected to sell tax-free securities and replace them with taxable securities since they can no longer benefit from tax savings. However, rebalancing these portfolios after the financial crisis would entail recognizing additional losses during a time period when …
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The Tysons Tunnel decision : a case study of suboptimal decision-making in major transit investments
… faced at the time, or whether the decision was suboptimal and based on unfounded constraints. To this end, it explores in depth the history of the Tysons Tunnel debate, the perspectives of all major actors in the debate, and the elevated Silver Line's current impact on Tysons Corner. This …
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Investigating a leadership fix for a suboptimal mix: a transformational leadership intervention for teams with incompatible personalities
<p>This study uses experimental methodology to examine transformational leadership as a buffering mechanism for problematic personality combinations. 118 German university students comprising 59 dyadic teams participated in a lab-based investigation to examine matched high levels of extraversion …
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