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 182 for “"Control technique"”.
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Evaluation of construction contract termination as a control technique
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2002.
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A hybrid multilayer error control technique for multihop ATM networks
… necessary. In this work, a new multilayer error control technique is presented and analyzed for ATM networks. While standard Go-Back-N ARQ technique is applied end to end, a new lost-cell concealment technique cooperates below as a forward error correction mechanism that also operates end to end. …
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A Resource-constrained CPM (RCPM) Scheduling and Control Technique with Multiple Calendars
… Resource-constrained Critical Path Method (RCPM) technique that capitalizes on and improves the existing Critical Path Method (CPM) and Resource-Constrained Scheduling (RCS) techniques. A traditional CPM schedule is not realistic since it assumes unlimited resources, some of which are highly …
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PID-hysteresis voltage control technique for three phase induction motor (matlab simulink and arduino)
… in harsh environment. However, their controllability remains a difficult task using conventional control method. The control difficulty is associated with high nonlinearity of the motor’s behavior, complexity of its analytical model and presence of interactive multivariable structures. …
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A Study of the Effectiveness of Unmanned Radar as a Speed Control Technique in Freeway Work Zones
… to work zone accidents. One method of speed control in work zones is the deployment of unmanned, or drone, radar transmitters, to simulate and supplement police presence in work zones. A review of the literature and past research on speed control techniques was conducted, and data was …
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Digital geometric-sequence control technique for bidirectional dual active bridge DC-DC converters used in future electric vehicles
… for future EVs. Generally, there are two control loops used for bidirectional DC-DC converters: The inner current loop and The outer loop. The control of DAB converters used in EVs are proved to be challenging due to the wide range of operating conditions and non-linear behavior of the …
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Improving Leader-Follower Formation Control Performance for Quadrotors
… (UAVs) by applying nonlinear robust and optimal techniques, in particular the nonlinear H_infinity and the iterative Linear Quadratic Regulator (iLQR), to stabilisation, path tracking and leader-follower team formation control problems. Existing solutions for stabilisation, path tracking and …
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Optimization based control design techniques for distributed parameter systems
"The study presents optimization based control design techniques for the systems that are governed by partial differential equations. A control technique is developed for systems that are actuated at the boundary. The principles of dynamic inversion and constrained optimization theory are used to …
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Dsp Implementation Of Dc Voltage Regulation Using Adaptive Control For 200 Kw 62000 Rpm Induction Generator
… the development of closed loop system to control the DC voltage for 200 kW induction generator rated at a speed of 62000 RPM under different load conditions. The voltage regulation has been implemented using PI controller. A gain scheduling control algorithm has been developed to select …
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Design of active trailer steering systems for long combination vehicles using robust control techniques
… utilised the Linear Quadratic Regulator (LQR) control technique. Although the LQR technique provides satisfactory results, it fails to control the system in presence of external disturbances such as sensor noise, parametric uncertainties, and un-modelled dynamics. This encourages the need of a …
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A design of variable transmission power control for wireless ad-hoc network
… by each node in the network. Therefore, a power control technique must be adopted in order to manage and select the optimal transmission power with respect to distance. This transmission power must be sufficient to transfer information from one node to another. Literature have proposed different …
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Development of PID current control for DC motor using arduino
… is to design and to develop of PID Current Control that could be applied for the DC motor. The control technique was called as current control technique by comparing the output current with the reference current. Thus, the PID controller will force the output current to follow the reference …
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Vibration control of flexible robot manipulators
… the versatility and effectiveness of a vibration control technique for flexible robot manipulators. A two link flexible robotic arm is considered and the dynamic model of the system is derived using the finite element method.
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Modeling and Simulation of a Cascaded Three-Level Converter-Based SSSC
… Among flexible AC transmission system (FACTS) controllers, the SSSC has shown feasibility in terms of cost-effectiveness in a wide range of problem-solving abilities from transmission to distribution levels. Referring to the literature reviews, the CMC with separated DC capacitors is clearly …
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Nonlinear spline operator interpolation and sliding control of deformable maneuvering bodies
… modeling procedure combined with a robust control technique is investigated and then implemented to the moving structure.
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Speed sensorless field oriented control of ac induction motor using model reference adaptive system
In order implement the vector control technique, the motor speed information is required. Incremental encoder, resolvers and tachogenerator, are used to reveal the speed. These sensors require careful mounting and alignment and special attention is required with electrical noises. Sensorless speed …
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Predictive control of electrical drives
In this work, the application of the Predictive Control Technique to the electrical drives has been considered and discussed, especially in comparison with the employment of the traditional control techniques. First of all, a predictive control algorithm for the Brushless DC drive is developed with …
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Observation and control of PDE with disturbances
In this Thesis, the problem of controlling and Observing some classes of distributed parameter systems is addressed. The particularity of this work is to consider partial differential equations (PDE) under the effect of external unknown disturbances. We consider generalized forms of two popular …
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Development of three phase back to back converter with current flow control using raspberry Pi microcontroller
… with Proportional-Integrative-derivative (PID) control current that could be applied for the resistive load. The basic structure of the PID controller makes it easy to regulate the process output. The control technique is called a current control technique by comparing the output current with …
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Integrated entry guidance and control for autonomous reusable launch vehicles
The guidance and control approach employed on current reusable launch vehicles is based on classical control techniques developed for the Space Shuttle more than 20 years ago. This approach partitions the guidance and control tasks into separate loops resulting in a complex control architecture …
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