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机器人的轨迹运动模型有了,根据速度就可以推算出轨迹。
因此只需采样很多速度,推算轨迹,然后评价这些轨迹好不好就行了。
(一)移动机器人受自身最大速度最小速度的限制
(二) 移动机器人受电机性能的影响:由于电机力矩有限,存在最大的加減速限制,因此移动机器人軌迹前向模拟的周期sim_period内,存在一个动态窗口,在该窗口内的速度是机器人能够实际达到的速度:
(三) 基于移动机器人安全的考虑:为了能够在碰到障碍物前停下来, 因此在最大减速度条件下, 速度有一个范围。
function varargout = Simulate(varargin)
clc
SamplingPeriod = 0.1;
time = 0;
timer1 = [];
txt_timer = [];
FuzzyLoaded = 0;
Z1 = [];
Z2 = [];
W_Zone = 20;
H_Zone = 20;
data = importdata (‘fuzzytabledata.mat’);
OUT1 = data.OUT1;
OUT2 = data.OUT2;
Z1 = reshape(OUT1(102:end,1)‘,101,[]);
Z2 = reshape(OUT2(102:end,1)’,101,[]);
FuzzyLoaded = 1;
scrsz = get(0,‘ScreenSize’);
% Create a figure that will have a uitable, axes and checkboxes
figure(‘Position’,[15scrsz(3)/100 70 scrsz(3)-2(15*scrsz(3)/100) scrsz(4)-100],…
‘WindowStyle’, ‘normal’,…
‘CloseRequestFcn’,{@CloseFcn},…
‘Name’, ‘具有动态障碍物的DWA仿真’,… % Title figure
‘NumberTitle’, ‘off’) % Do not show figure number
% figure(‘Position’,[15scrsz(3)/100 70 scrsz(3)-2(15*scrsz(3)/100) scrsz(4)-100],…
% ‘WindowStyle’, ‘normal’,…
% ‘CloseRequestFcn’,{@CloseFcn},…
% ‘Name’, ‘具有动态障碍物的DWA仿真’,… % Title figure
% ‘NumberTitle’, ‘off’,… % Do not show figure number
% ‘MenuBar’, ‘none’); % Hide standard menu bar menus
% Create an axes set x and y limits to the value extremes, and format labels
W_Zone = ceil(W_Zone/10)*10;
H_Zone = ceil(H_Zone/10)*10;
haxes = axes(‘Units’, ‘normalized’,…
‘Position’, [.25 .05 0.75 0.9],…
‘XLim’, [-W_Zone/2 W_Zone/2],…
‘YLim’, [-H_Zone/2 H_Zone/2],…
‘XLimMode’, ‘manual’,…
‘YLimMode’, ‘manual’,…
‘XTick’,-W_Zone/2:1:W_Zone/2,…
‘YTick’,-H_Zone/2:1:H_Zone/2);%,…
% ‘XTickLabel’,…
% {‘-10 m’,‘-5 m’,‘0’,‘5 m’,‘10 m’},…
% ‘YTickLabel’,…
% {‘-10 m’,‘-5 m’,‘0’,‘5 m’,‘10 m’});
set(haxes,‘DataAspectRatio’,[1 1 1]);
title(haxes, ‘移动机器人动态避障仿真’) % Describe data set
% Prevent axes from clearing when new lines or markers are plotted
hold(haxes, ‘all’)
grid on;
uicontrol(‘Style’, ‘pushbutton’,…
‘Units’, ‘normalized’,…
‘Position’, [.02 .86 .2 .05],…
‘String’, ‘开始仿真’,…
‘Value’, 0,…
‘Callback’, {@StartSimulation});
uicontrol(‘Style’, ‘pushbutton’,…
‘Units’, ‘normalized’,…
‘Position’, [.02 .81 .2 .05],…
‘String’, ‘重新仿真’,…
‘Value’, 0,…
‘Callback’, {@ResetSimulation});
% % Create a text to show timer;
txt_timer = uicontrol(‘Style’, ‘text’,…
‘Units’, ‘normalized’,…
‘Position’, [.02 .915 .2 .035],…
‘FontWeight’, ‘bold’,…
‘ForegroundColor’, [0 .2 .8],…
‘fontname’, ‘Helvetica’,…
‘fontsize’, 14,…
‘BackgroundColor’, ‘w’, ‘String’,‘00:00 00’);
% % Create some texts to monitor variables;
txt_inp1 = uicontrol(‘Style’, ‘text’, ‘Units’, ‘normalized’, ‘Position’, [.05 .54 .08 .035],…
‘FontWeight’, ‘bold’, ‘ForegroundColor’, [0 0 0], ‘fontname’, ‘Helvetica’, ‘fontsize’, 12, ‘BackgroundColor’, [0.9 0.9 0.9]);
txt_inp2 = uicontrol(‘Style’, ‘text’, ‘Units’, ‘normalized’, ‘Position’, [.14 .54 .08 .035],…
‘FontWeight’, ‘bold’, ‘ForegroundColor’, [0 0 0], ‘fontname’, ‘Helvetica’, ‘fontsize’, 12, ‘BackgroundColor’, [0.9 0.9 0.9]);
txt_out1 = uicontrol(‘Style’, ‘text’, ‘Units’, ‘normalized’, ‘Position’, [.05 .47 .08 .035],…
‘FontWeight’, ‘bold’, ‘ForegroundColor’, [0 0 0], ‘fontname’, ‘Helvetica’, ‘fontsize’, 12, ‘BackgroundColor’, [0.9 0.9 0.9]);
txt_out2 = uicontrol(‘Style’, ‘text’, ‘Units’, ‘normalized’, ‘Position’, [.14 .47 .08 .035],…
‘FontWeight’, ‘bold’, ‘ForegroundColor’, [0 0 0], ‘fontname’, ‘Helvetica’, ‘fontsize’, 12, ‘BackgroundColor’, [0.9 0.9 0.9]);
uicontrol(‘Style’, ‘text’,‘Units’, ‘normalized’, ‘Position’, [.05 .61 .15 .025],…
‘FontWeight’, ‘bold’, ‘fontname’, ‘Helvetica’, ‘fontsize’, 10,…
‘BackgroundColor’, [0.8 0.8 0.8], ‘String’, ‘DWA权值调整’);
uicontrol(‘Style’, ‘text’,‘Units’, ‘normalized’, ‘Position’, [.00 .55 .05 .02],…
‘FontWeight’, ‘bold’, ‘fontname’, ‘Helvetica’, ‘fontsize’, 9,…
‘BackgroundColor’, [0.8 0.8 0.8], ‘String’, ‘INPs :’);
uicontrol(‘Style’, ‘text’,‘Units’, ‘normalized’, ‘Position’, [.00 .48 .05 .02],…
‘FontWeight’, ‘bold’, ‘fontname’, ‘Helvetica’, ‘fontsize’, 9,…
‘BackgroundColor’, [0.8 0.8 0.8], ‘String’, ‘误差值 :’);
uicontrol(‘Style’, ‘text’,‘Units’, ‘normalized’, ‘Position’, [.05 .58 .08 .02],…
‘FontWeight’, ‘bold’, ‘fontname’, ‘Helvetica’, ‘fontsize’, 9,…
‘BackgroundColor’, [0.8 0.8 0.8], ‘String’, ‘目标航向角’);
uicontrol(‘Style’, ‘text’,‘Units’, ‘normalized’, ‘Position’, [.14 .58 .08 .02],…
‘FontWeight’, ‘bold’, ‘fontname’, ‘Helvetica’, ‘fontsize’, 9,…
‘BackgroundColor’, [0.8 0.8 0.8], ‘String’, ‘障碍物’);
uicontrol(‘Style’, ‘text’,‘Units’, ‘normalized’, ‘Position’, [.05 .51 .08 .02],…
‘FontWeight’, ‘bold’, ‘fontname’, ‘Helvetica’, ‘fontsize’, 9,…
‘BackgroundColor’, [0.8 0.8 0.8], ‘String’, ‘左偏离’);
uicontrol(‘Style’, ‘text’,‘Units’, ‘normalized’, ‘Position’, [.14 .51 .08 .02],…
‘FontWeight’, ‘bold’, ‘fontname’, ‘Helvetica’, ‘fontsize’, 9,…
‘BackgroundColor’, [0.8 0.8 0.8], ‘String’, ‘右偏离’);
uicontrol(‘Style’, ‘text’,‘Units’, ‘normalized’, ‘Position’, [.09 .78 .12 .025],…
‘FontWeight’, ‘bold’, ‘fontname’, ‘Helvetica’, ‘fontsize’, 10,…
‘BackgroundColor’, [0.8 0.8 0.8], ‘String’, ‘X Y’);
uicontrol(‘Style’, ‘text’,‘Units’, ‘normalized’, ‘Position’, [.02 .74 .06 .03],…
‘FontWeight’, ‘bold’, ‘fontname’, ‘Helvetica’, ‘fontsize’, 10,…
‘BackgroundColor’, [0.8 0.8 0.8], ‘String’, ‘起始点坐标:’);
uicontrol(‘Style’, ‘text’,‘Units’, ‘normalized’, ‘Position’, [.02 .7 .06 .03],…
‘FontWeight’, ‘bold’, ‘fontname’, ‘Helvetica’, ‘fontsize’, 10,…
‘BackgroundColor’, [0.8 0.8 0.8], ‘String’, ’ 目标点坐标:');
% % Create a text get Robot X0 Pos;
edit_robot_x0 = uicontrol(‘Style’, ‘edit’,…
‘Units’, ‘normalized’,…
‘Position’, [.09 .74 .06 .035],… %‘String’,… %‘Use Plot check boxes to graph columns’,…
‘FontWeight’, ‘bold’,…
‘fontname’, ‘Helvetica’,…
‘fontsize’, 12);
% % Create a text get Robot Y0 Pos;
edit_robot_y0 = uicontrol(‘Style’, ‘edit’,…
‘Units’, ‘normalized’,…
‘Position’, [.16 .74 .06 .035],… %‘String’,… %‘Use Plot check boxes to graph columns’,…
‘FontWeight’, ‘bold’,…
‘fontname’, ‘Helvetica’,…
‘fontsize’, 12);
% % Create a text get Goal X Pos;
edit_goal_x = uicontrol(‘Style’, ‘edit’,…
‘Units’, ‘normalized’,…
‘Position’, [.09 .7 .06 .035],… %‘String’,… %‘Use Plot check boxes to graph columns’,…
‘FontWeight’, ‘bold’,…
‘fontname’, ‘Helvetica’,…
‘fontsize’, 12);
% % Create a text get Goal Y Pos;
edit_goal_y = uicontrol(‘Style’, ‘edit’,…
‘Units’, ‘normalized’,…
‘Position’, [.16 .7 .06 .035],… %‘String’,… %‘Use Plot check boxes to graph columns’,…
‘FontWeight’, ‘bold’,…
‘fontname’, ‘Helvetica’,…
‘fontsize’, 12);
uicontrol(‘Style’, ‘pushbutton’,…
‘Units’, ‘normalized’,…
‘Position’, [.09 .655 .13 .04],… %‘TooltipString’, ‘Update Values Independently’,…
‘String’, ‘更新’,…
‘Value’, 0,…
‘Callback’, {@UpdateParams});
slider_x = uicontrol(‘Style’, ‘slider’,‘Units’, ‘normalized’, ‘Position’, [.02 .41 .2 .025],…
‘FontWeight’, ‘bold’, ‘fontname’, ‘Helvetica’, ‘fontsize’, 10,…
‘BackgroundColor’, [0.8 0.8 0.8],‘Min’,0,‘Value’,1,‘Max’,2,‘SliderStep’,[0.01 0.1]);
slider_y = uicontrol(‘Style’, ‘slider’,‘Units’, ‘normalized’, ‘Position’, [.02 .37 .2 .025],…
‘FontWeight’, ‘bold’, ‘fontname’, ‘Helvetica’, ‘fontsize’, 10,…
‘BackgroundColor’, [0.8 0.8 0.8],‘Min’,0,‘Value’,1,‘Max’,2,‘SliderStep’,[0.01 0.1]);
% uicontrol(‘Style’, ‘pushbutton’,…
% ‘Units’, ‘normalized’,…
% ‘Position’, [0.35 .95 .25 .05],… %‘TooltipString’, ‘Update Values Independently’,…
% ‘String’, ‘Save Data’,…
% ‘Value’, 0,…
% ‘Callback’, {@SaveData});
% % Create an invisible marker plot of the data and save handles
% % to the lineseries objects; use this to simulate data brushing.
% % hmkrs = plot([1:10],[1:10].^2, ‘LineStyle’, ‘none’,…
% % ‘Marker’, ‘o’,…
% % ‘MarkerFaceColor’, ‘y’,…
% % ‘HandleVisibility’, ‘off’,…
% % ‘Visible’, ‘on’);
% Create three check boxes to toggle plots for columns
% uicontrol(‘Style’, ‘checkbox’,…
% ‘Units’, ‘normalized’,…
% ‘Position’, [.10 .96 .09 .035],…
% ‘TooltipString’, ‘Check to plot column 1’,…
% ‘String’, ‘Col 1’,…
% ‘Value’, 0,…
% ‘Callback’, {@plot_callback,1});
%
% % Create a text label to say what the checkboxes do
% uicontrol(‘Style’, ‘text’,…
% ‘Units’, ‘normalized’,…
% ‘Position’, [.025 .955 .06 .035],…
% ‘String’, ‘Plot’,…
% ‘FontWeight’, ‘bold’);
1 matlab版本
2014a
2 参考文献
[1]卞永明,季鹏成,周怡和,杨濛.基于改进型DWA的移动机器人避障路径规划[J].中国工程机械学报. 2021,19(01)
3 备注
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