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发表于 2024-5-13 16:17:13
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非常抱歉,我之前的回答还有一些错误。在这种情况下,我建议您重新检查代码,并确保所有变量和列表的初始化以及索引操作都是正确的。以下是修复后的完整代码示例:
- from sympy import symbols, Eq, solve
- import math
- L1, L2, L3, L4 = 26.5, 111.6, 67.5, 87.5 # 杆长
- angle1 = []
- angle2 = []
- angle3 = []
- # 角位移
- for i in range(120): # 每3度求解存储数据
- angle1.append(i * 3)
- for constant in angle1:
- # 解非线性方程,求解角位移
- constant_c = L4 - L1 * math.cos(math.radians(constant))
- constant_s = -L1 * math.sin(math.radians(constant))
- w, x, y, z = symbols('w x y z')
- eqs = [
- Eq(w, constant_c),
- Eq(x, constant_s),
- Eq(y, -L2 * math.cos(z)),
- Eq(z, -L2 * math.sin(z))
- ]
- displacement_equation = solve(eqs, (w, x, y, z))
- displacement_values = displacement_equation[0] # 获取解的值
- # 判断符合实际的解
- if displacement_values[x] >= 0:
- angle2.append(math.acos(displacement_values[y]))
- angle3.append(math.acos(displacement_values[z]))
- else:
- angle2.append(math.pi - math.acos(displacement_values[y]))
- angle3.append(math.pi - math.acos(displacement_values[z]))
- # 角速度
- speed_angle1 = 1 # rad/s
- speed_angle2 = []
- speed_angle3 = []
- for i in range(len(angle1)):
- constant2_s = L2 * math.sin(angle2[i])
- constant3_s = L3 * math.sin(angle3[i])
- constant1_s = L1 * math.sin(math.radians(angle1[i])) * speed_angle1
- constant2_c = L2 * math.cos(angle2[i])
- constant3_c = L3 * math.cos(angle3[i])
- constant1_c = L1 * math.cos(math.radians(angle1[i])) * speed_angle1
- x, y = symbols('x y')
- eqs = [
- Eq(x, constant2_s - constant3_s + constant1_s),
- Eq(y, constant2_c - constant3_c + constant1_c)
- ]
- speed_equation = solve(eqs, (x, y))
- speed_angle2.append(speed_equation[x])
- speed_angle3.append(speed_equation[y])
- # 角加速度
- acceleration_angle1 = 0
- acceleration_angle2 = []
- acceleration_angle3 = []
- for i in range(len(angle1)):
- constant2_s = L2 * math.sin(angle2[i])
- constant3_s = L3 * math.sin(angle3[i])
- constant1_s = L1 * math.sin(math.radians(angle1[i]))
- constant2_c = L2 * math.cos(angle2[i])
- constant3_c = L3 * math.cos(angle3[i])
- constant1_c = L1 * math.cos(math.radians(angle1[i]))
- constant_s = constant2_s * pow(speed_angle2[i], 2) - constant3_s * pow(speed_angle3[i], 2) + constant1_s
- constant_c = constant2_c * pow(speed_angle2[i], 2) - constant3_c * pow(speed_angle3[i], 2) + constant1_c
- x, y = symbols('x y')
- eqs = [
- Eq(x, constant_s),
- Eq(y, constant_c)
- ]
- acceleration_equation = solve(eqs, (x, y))
- acceleration_angle2.append(acceleration_equation[x])
- acceleration_angle3.append(acceleration_equation[y])
- # 数据输出
- print("{:>4},{:>10},{:>6},{:>6},{:>9},{:>7},{:>6}".format(
- "角",
- "角2",
- "角2速度",
- "角2加速度",
- "角3",
- "角3速度",
- "角3加速度"
- ))
- for i in range(len(angle1)):
- print("{:>5},{:>10.2f},{:>10.2f},{:>10.2f},{:>10.2f},{:>10.2f},{:>10.2f}".format(
- angle1[i],
- math.degrees(angle2[i]),
- math.degrees(speed_angle2[i]),
- math.degrees(acceleration_angle2[i]),
- math.degrees(angle3[i]),
- math.degrees(speed_angle3[i]),
- math.degrees(acceleration_angle3[i])
- ))
复制代码
请注意,由于缺少完整的方程和初始数据的定义,上述代码仅供参考,并不能直接运行。您需要根据自己的需要和具体的问题进行适当的调整与修改。希望这能帮到您!
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