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 377 for “"Control algorithm"”.
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The oscillogenic control algorithm
An electronic-hardware-based oscillogenic controller previously developed by P. K. Mercure was used as a model for translation into a software-based control algoritnm. The oscillogenic instrument, invented by P. R. Rony and P. K. Mercure, uses a feedback element (the oscillogenic controller) and a …
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Iterative learning control: algorithm development and experimental benchmarking
… experimental benchmarking of Iterative Learning Control (ILC) algorithms using two experimental facilities. ILC is an approach which is suitable for applications where the same task is executed repeatedly over the necessarily finite time duration, known as the trial length. The process is reset …
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An analysis of the multiple model adaptive control algorithm.
Thesis. 1978. Ph.D.--Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.
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The variational formulation of a pseudo feedback control algorithm
An on-line, suboptimal feedback control algorithm is proposed and demonstrated. The procedure is developed using a variational formulation of the optimal control problem. A convex index of performance is presumed. The Finite Element Method is used in conjunction with a variable mesh gridation …
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Statistical Quality Control Algorithm for In Situ Sea Surface Temperatures
… and outliers. NOAA’s operational quality control (QC) system, iQuam v2.10, provides a baseline method for flagging questionable data, but it suffers from excessive false positives, especially during daytime periods, due to rigid thresholds and outdated external reference comparisons.</p> …
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An extended analysis of the multiple model adaptive control algorithm
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1980.
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Adaptive multimedia streaming control algorithm in wireless LANs and 4G networks
… In this thesis a new user-oriented adaptive algorithm based on QOAS was designed and developed in order to address the user satisfaction problem. Simulations have been carried out with different adaptation schemes to compare the performances and benefits of the DQOAS mechanism. The simulation …
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Greediness control algorithm for multimedia streaming in wireless local area networks
… the aggressiveness of transport layer congestion control mechanisms, in order to create application layer QoE fairness between competing media streams, by taking their device characteristics into account. This thesis proposes the Greediness Control Algorithm (GCA), an upper transport layer …
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Enhanced snr-based admission control algorithm for vehicular ad-hoc network
… QoS-aware Signal to Noise Ratio (SNR) admission control mechanism (QASAC) is proposed to handle the performance anomaly problem while maintaining the QoS levels for high and low traffics. This can result in wasting throughput and cause data loss. The investigation results show that 802.11p has …
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Adaptive Rollover Control Algorithm Based on an Off-Road Tire Model
… model was then used as a basis for developing control algorithms to prevent vehicle rollover on off-road terrain. Specifically, a direct yaw control (DYC) algorithm based on Lyapunov direct method and an emergency roll control (ERC) algorithm based on a rollover coefficient were developed. …
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Development of a System Control Algorithm for Smart Residential Demand-Side Management
… based on a use-case analysis. A system control algorithm is proposed to realize the required functions. The achievable cost-savings and peak-shaving utility are calculated though MATLAB simulations. Based on the current policies and cost-per-watt of solar panel installations, it is found …
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Development of a nonlinear predictive control algorithm and its application to flotation
… of a method of solving nonlinear optimal control problems. This method is then used to solve the underlying optimal control problems. This method is then used to solve the underlying optimal control problem in a nonliear model predictive control (NMPC) strategy. By way of a case study, and …
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A nonlinear control algorithm for fuel optimal attitude control using reaction jets
… design of a weighted nonlinear time-fuel optimal control algorithm for spacecraft attitude dynamics using on-off gas jets. In the development of a controller, we explore four control algorithms within a single-step control framework where the step is the fundamental update time of the digital …
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A speed adaptive control algorithm for the self-contained A/K prostheses
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1986.
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An intelligent call admission control algorithm for load balancing in 5G-satellite networks
… and evaluation of an intelligent call admission control (CAC) algorithm based on Enhanced Particle Swarm Optimization (EPSO). The primary aim of this research is to design an EPSO-based CAC algorithm tailored specifically for 5G-satellite heterogeneous wireless networks. The algorithm's …
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Development of a floating piston expander control algorithm for a Collins-type cryocooler
… and a warm volume. The piston's motion is controlled by opening and closing valves connecting several reservoirs at various pressures to the warm volume. Ideally, these pressures should be distributed between the high and low system pressure to gain good control of the piston motion. In …
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Development of a powertrain control algorithm for a compound-split diesel hybrid-electric vehicle
… this research was to develop a unique powertrain control algorithm for a diesel-powered compound-split hybrid crossover utility vehicle (CUV) and evaluate the fuel consumption and greenhouse gas emissions benefits that can be realized compared to existing non-hybrid, gasoline-powered CUVs. This …
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Development of an integrated tracking control algorithm and a test platform for autonomous excavation
… operations. In this study, an effective control strategy for excavation is introduced considering the position, contour, and force which are mutually associated factors for successful autonomous excavation. For position tracking of the bucket tip, a non-linear PI controller was devised to …
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On-line identification and control algorithm for system model with jump parameters using wavelets
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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