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Name: 刘凯
Type: User
Company: UISEE, BIT-IVRC
Bio: PhD @ Beijing Institute of Technology, Visiting scholar @ Ohio State University.
Location: Beijing, China
Name: 刘凯
Type: User
Company: UISEE, BIT-IVRC
Bio: PhD @ Beijing Institute of Technology, Visiting scholar @ Ohio State University.
Location: Beijing, China
Python implementation of PG-ELLA
Automatically exported from code.google.com/p/psopt
Python Plotter for Real-Time Data Visualization
Phase plane analysis of nonlinear systems
The Python Control Systems Library is a Python module that implements basic operations for analysis and design of feedback control systems.
pyVision machine learning library
QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS)
Fork of the qpOASES to experiment with some improvements on the build system.
Visualization tools for easier rviz plotting.
Main repository for the Sphinx documentation builder
% This function is made by Ahmed ElTahan %{ This function is intended to estimate the parameters of a dynamic system of unknown parameters using the Recursive Modified Extended Least Squares With Exponential Forgetting Factor Method (RMELSWEF) for time varying parameter system which has an noise addition. After an experiment, we get the inputs, the outputs of the system. The experiment is operated with sample time Ts seconds. The model is given by A(z) y(t) = B(z)sys u(t) + C(z) eps(t) which can be written in z^(-d) B(z) C(z) y(t) = ------------------- u + ------------ e = L*u + M*e A(z) A(z) where: -- y : output of the system. -- u : control action (input to the system). -- e : color guassian noise (noise with non zero mean). -- Asys = 1 + a_1 z^-1 + a_2 z^-2 + ... + a_na z^(-na). [denominator polynomail] -- Bsys = b_0 + b_1 z^-1 + b_2 z^-2 + ... + b_nb z^(-nb). [numerator polynomail] -- C = 1 + c_1 z^-1 + c_2 z^-2 + ... + c_nc z^(-nc). [noise characteristics] -- d : delay in the system. A and C are monic polynomials. (in output estimation of the stochastic system as C is monic, we add e(t) to the estimation i.e. not starting from c1*e(t-1)) Function inputs u : input to the system in column vector form y : input of the system in column vector form na : order of the denominator polynomail nb : order of the numerator polynomail nc : order of the characteristics of the noise (usually <=2 for max) d : number represents the delay between the input and the output lambda : forgetting factor -->>> 1>lambda>0 Function Output Theta_final : final estimated parameters. Gz_estm : pulse (discrete) transfer function of the estimated parameters 1 figure for the history of the parameters that are being estimated 2 figure to validate the estimated parameters on the given output using the instantaneous estimated parameters. 3 figure to plot the input versus time. Note: the noise added shall not to be with a magnitude close to the system output, it should be smaller, this is in simulation such as here or the algorithm will go crazy that can't distinguish between the main and the noisy signal (This can be measured in practical case finding noise to signal ratio). An example is added to illustrate how to use the funcrtion %}
时间延迟估计(TDOA)相关算法
This repository contains the source code for “Unscented Kalman filter stochastic nonlinear model predictive control” (UKF-SNMPC).
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