syms x; 定义推杆的运动方程 a = 1; 推杆振幅 L = 2; 推杆长度 y = acos2pixL; 定义凸轮的基本形状 R = 1; 凸轮半径 theta = linspace0 2pi 100; 生成一组角度 xc = Rcostheta; 计算圆形凸轮的x坐标 yc = Rsintheta; 计算圆形凸轮的y坐标 计算凸轮的轮廓 for i = 1lengthx

代码：

syms x; a = 1; L = 2; y = acos(2pix/L); R = 1; theta = linspace(0, 2pi, 100); xc = Rcos(theta); yc = Rsin(theta);

for i = 1:length(xc) xci = xc(i) + x; yci = yc(i) + y; plot(xci, yci, 'r'); hold on; end

axis equal; xlabel('x'); ylabel('y'); title('Convex Cam Profile');