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 29 for “"analog computer"”.
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Analog computer simulation of sampled-data systems
The electronic analog computer is widely used to simulate most types of automatic control systems, Only a limited amount of work has been reported, however, involving analog computer simulation of sampled-data systems, This is to be expected since such systems are essentially digital in nature. The …
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An analog computer study of hydraulic servomechanism nonlinearlities
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautical Engineering, 1954.
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Applications of the analog computer to mathematical problems
… be an introductory mathematical presentation of analog computation. An attempt was made to explain in concise mathematical language, how an electronic analog computer works, why it works, and the simplicity of its use. The components of the computer are considered as operational blocks, each …
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Physical manifestation of NP-completeness in analog computer devices
… Technology, Dept. of Electrical Engineering and Computer Science, 1999.
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Developing a Neural Signal Processor Using the Extended Analog Computer
… technique was explored, the Extended Analog Computer (EAC). The EAC is a digitally confgurable analog computer that takes advantage of the intrinsic ability of manifolds to solve partial diferential equations (PDEs). They are extremely fast, require little power, and have great …
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A highly integrated adiabatic energy recovery digital to analog computer
… Technology, Dept. of Electrical Engineering and Computer Science, 1999.
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Design and construction of a SIMKIT analog computer with remote control
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1978.
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Automatic digital scaling of analog computers
… develop an algorithm for use on a small digital computer in the conversational mode. This algorithm to scale and determine the patching configuration for the simulation of any system on an analog computer. Further, this should be in a form suitable for the implementation of automatic patching in …
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Deterministic and stochastic responses of nonlinear systems
… the governing equation using both digital and analog computers. For small excitation amplitudes, the analytical results are in good agreement with the numerical solutions. The large-amplitude responses are investigated by using simulations on a digital computer and are compared with results …
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Nonlinear analysis of eddy-current couplings in feedback control systems
… nonlinearity are discussed and backed with an analog computer study. Conclusions arrived at show the absquare nonlinearity to be advantageous under conditions of zero steady state loading or offset. Under conditions of steady state loading, shifting of the load operating point causes a wide …
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Implementation of a hybrid system interface
Both analog and digital computation have certain comparative advantages and disadvantages. A hybrid computer system provides an interface between analog and digital computing elements. With the use of a hybrid computer, the programmer can utilize the best features of both analog and digital …
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Experimental evaluation of some feedforward control models for binary distillation
… using as hardware elements of electron analog computer. Each particular feedforward controller was embodied in a primary control loop which was supplementary to the whole existing arrangement of secondary loops. The efficiency of proposed feedforward models was checked by step transfer …
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Active vibration isolation for flexible payloads
… of the system was built and tested. Digital and analog computer studies were conducted to obtain the transmissibility and transient response characteristics of the isolation system. The analytical and experimental results indicate that the active vibration isolation system is very effective in …
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Disturbance reduction in nonlinear systems via adaptive quenching
… algorithm was verified by implementing it on an analog computer.
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Aplicabilidade de uma máquina teste eletrodinâmica a molas não lineares
… with restoring force F =(α+βx²)x is made on an analog computer EAI – TR48 DES – 30. The favorable values of the spring deflection ratio y1 /(y2 - y1) the frequency of the exciting force, and y2 the amplitude of motion of the mass m2, as function of the mass ratio m2/m1, are determined to the …
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The directional stability and control of an airplane during the landing roll
… approximate equations of motion are solved on an analog computer to describe the motion of an aircraft as it moves along the runway after it has landed. It is shown that during the landing roll the tricycle landing gear arrangement with a locked nosewheel is basically an unstable configuration. …
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GE-PAC 4020/EAI 580 Hybrid Computing System
… benefits from the strengths of both digital and analog computation. This system welds the capabilities of a GE/PAC<sup>®M/sup> 4020 Process Computer and an EAI® 580 Analog/Hybrid Computing System by means of a special Hybrid Interface. The Hybrid Interface consists of five modules. First, there …
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Design and simulation of a torque sensing governor for an internal combustion engine
… aforementioned elements could be simulated on an analog computer. The simulated system was governed by a simulated torque sensing governor and optimized, then the same procedure was followed with a simulated proportional-integral-derivative governor. The real system was then governed by each type …
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