m_1 = 0.0169;		# m_1;
m_2 = 0.0169;		# m_2;
b_1 = 0.13;		# b_1;
b_2 = 0.013;		# b_2;
k_2 = 24;	        # k_2;
k_t = 150;		# k_t;
b_t = 0.16;		# b_t;
b_3 = 0.13;		# b_3;
m_3 = 0.005;		# m_3;
p_1 = 10;		# p_1;
d_1 = 0.9;		# d_1;