finite-precision controller implementation
A new approach for finite precision controller realizations
... the finite word length (FWL) effect, a fixed-point controller implementation may degrade the designed closed- loop performance or even destabilize the designed stable closed-loop system, if the ...
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Optimizing stability bounds of finite precision PID controller structures
... We consider the implementation of a finite-precision PID controller for a steel rolling mill system. The continuous-time plant model P (s) was developed in [11]. The entire digital PID control ...
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Optimal floating point realizations of finite precision digital controllers
... digital controller design methodology often assumes that the controller is implemented ...the controller “uncertainty” resulting from finite-precision computation is so small, compared ...
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Optimal finite precision state estimate feedback controller realizations of discrete time systems
... accurate implementation of con- trollers with orders higher than that of the traditional PID ...of controller implementations using floating-point processors is increasing due to their reduced price, for ...
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A search algorithm for a class of optimal finite precision controller realization problems with saddle points
... troller implementation can have a serious influence on the actual performance of a digital closed-loop control system [1], [2], ...casual controller implementation may degrade the designed closed-loop ...
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A unified closed loop stability measure for finite precision digital controller realizations implemented in different representation schemes
... digital controller implementation which reduces the finite word length (FWL) effects on closed-loop stability (see [1], [2], and the references ...a controller realization are repre- sented by ...
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Optimal controller and filter realizations using finite precision, floating point arithmetic
... The finite-precision effects on closed-loop control systems have been extensively studied for fixed-point implementations; see Istepanian and Whidborne (2001) for a review. There has been far less work looking ...
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Stability issues of finite precision controller structures for sampled data systems
... FWL controller struc- tures, the controllers were described and realized with the usual shift ...numerical implementation properties (Gevers and Li ...
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Comparative Study on Finite Precision Controller Realizations in Different Representation Schemes
... ital controller implementation which reduces the FWL effects on closed-loop ...a controller realization are represented by a digital processor of finite bit length in a particular format, ...
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Optimal finite precision controller realization of sampled data systems
... implemented controller coe cients and requires the minimum bit length in ® xed-point ...PID controller structures, to the general form of sampled-data controller ...FWL controller realization ...
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Global optimal realizations of finite precision digital controllers
... the controller uncertain- ties caused by finite-precision implementation also have sig- nificant influence on the performance of the control ...troller implementation may result in a ...
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The Construction and Implementation of a Cancer Precision Nursing Model
... the precision medical model of cancer, nursing managers also need to change their management thinking and develop advanced practical nurses for cancer precision cancer ...clinical implementation of ...
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Evaluation of modern control system design techniques for a multivariable electro hydraulic system
... multivariable controller design problem from the aerospace industry was posed by Povejsil and ...of controller synthesis which involved applying control action to one of the control loops, assessing the ...
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Implementation of Double Precision Floating Point Arithmetic
... Double precision floating point arithmetic significantly increases the levels of precision when compared to single precision floating point or integer ...double precision calculation results ...
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VHDL Implementation of Interrupt Controller
... After generating the 8 bit address, the bit corresponding to the interrupt that was serviced is set to 1 in the clear register and sent as a feedback to the interrupt generator so that the interrupt process is terminated ...
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Hardware Implementation of Bit-Parallel Finite Field Multipliers Based on Overlap-free Algorithm on FPGA
... In addition, in such a fast developing digital society, the speed of computing and network transmission continues to increase, and public key cryptography has played an increasingly important role. As more and more ...
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Modeling and controller design of a 6 DOF precision positioning system
... In order to overcome the positioning error caused by the hysteresis and nonlinear behaviour of PEAs [44] this section presents the design of DMPC (Discrete-time Model Predictive Controller) control scheme ...
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The Finite Precision Numerical Effects Analysis of Infinite Impulse Response
... Three different structures can be used to implement an IIR filter: direct, cascade, and parallel type. The filter coefficients are quantized, and the deviation of the amplitude and frequency characteristics of the ...
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An Efficient Implementation of Fir Filter on FPGA Using Micro Programmed Controller
... In Signal processing applications such as cancellation of echo, noise equalization and biomedical applications, etc., digital filters are the most frequently used element [8-9]. Finite Impulse Response filter is ...
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Implementation of Fuzzy Pid Controller And Performance Comparision With Pid For Position Control Of Dc Motor
... Fuzzy controller is the hardcore of the system. It includes the fuzzification, knowledge base, inference engine and de- fuzzification. Fuzzy controller makes the input accurate quantity to fuzzy quantity. ...
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