python与simulink交互完整版代码

import matlab.engine
import numpy as np
import matplotlib.pyplot as plt

eng = matlab.engine.start_matlab()
sim_name = 'test'
eng.load_system(sim_name)

eng.set_param(sim_name, 'StopTime', str(5), nargout=0)

eng.set_param('test/pause_time', 'value', str(1), nargout=0)
eng.set_param('test/Constant', 'value', str(0), nargout=0)
eng.set_param(sim_name, 'SimulationCommand', 'start', nargout=0)

for i in range(2, 6, 1):
    eng.set_param('test/pause_time', 'value', str(i), nargout=0)
    eng.set_param('test/Constant', 'value', str(i), nargout=0)
    eng.set_param(sim_name, 'SimulationCommand', 'continue', nargout=0)

eng.set_param(sim_name, 'SimulationCommand', 'stop', nargout=0)

t = np.array(eng.eval('out.t.Data'))
y = np.array(eng.eval('out.y.Data'))
eng.quit()
fig = plt.figure()
plt.plot(t, y, 'or-')
plt.show()