In Vivo Identification of Skeletal Muscle Dynamics with Nonlinear Kalman Filter: Comparison between EKF and SPKF

Table 2

Parameter estimation.

Parameters	Rabbit 1			Rabbit 2
	16 Hz	20 Hz		16 Hz	20 Hz
𝐿𝑐0 (cm)	7.1	7.4		7.4	6.8
𝑚 (g)	16.5	19.8		36.5	39.8
𝜆 (Ns/m)	19.7	19.4		19.7	19.2
NRMS(%)	0.60	0.46		1.02	0.82
Measured length of contractile element	7 cm			7 cm
Body weight	4.5 kg			4.2 kg