problem to drive 2 servos with servo object????

Question

kwstis xoustoulakis 2015-9-14

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/242955-problem-to-drive-2-servos-with-servo-object

评论： Walter Roberson 2015-9-16

function[] = ServoAngleNew(Theta1,Theta2)
pause(2);
a = arduino('COM4');
s = servo(a,9,'MinPulseDuration',7.50e-4,'MaxPulseDuration',2.4e-3);
s = servo(a,10,'MinPulseDuration',7.50e-4,'MaxPulseDuration',2.4e-3);
writePosition(s, Theta1);
writePosition(s, Theta2);
end

i want to move my robot arm with 2 servos and when i call ServoAngleNew with 0 or 1 my arm does not moves correctly, simply do a tremulous. i try to drive one servo and works two or three servos do not move, any help??? thanks

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Answer 1

Walter Roberson 2015-9-14

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链接

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https://ww2.mathworks.cn/matlabcentral/answers/242955-problem-to-drive-2-servos-with-servo-object#answer_192344

在 MATLAB Online 中打开

function[] = ServoAngleNew(Theta1,Theta2)
pause(2);
a = arduino('COM4');
s1 = servo(a,9,'MinPulseDuration',7.50e-4,'MaxPulseDuration',2.4e-3);
s2 = servo(a,10,'MinPulseDuration',7.50e-4,'MaxPulseDuration',2.4e-3);
writePosition(s1, Theta1);
writePosition(s2, Theta2);
end

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kwstis xoustoulakis 2015-9-15

编辑：kwstis xoustoulakis 2015-9-15

thakns walter , its woriking ! but my arm moves abruptly! i dont know why

Walter Roberson 2015-9-16

That two second pause sounds too long to me. Also, you should create the arduino object and servos outside the function and pass them in to the function, which should concentrate on updating the position. You are recreating the server objects every time with this code.

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