An Autonomic Nervous System Model Applied to the Analysis of Orthostatic Tests

Table 4

ANS.

	Valeur parameters	Source
Baroreceptors
𝑇	2 s	[33]
Heart rate
Vagal activity
K	Identified
T	Identified
R	Identified
ax	0	[34]
bx	1	[34]
NxO	110	[34]
Tx	−0.04	[34]
Sympathic activity
K	Identified
T	Identified
R	Identified
ax	0.3	[34]
bx	0.7	[34]
NxO	100	[34]
Tx	0.09	[34]
Contractility
K	1	Estimé
T	10 s	[33, 34]
R	3 s	[33, 34]
ax	0.3	[34]
bx	0.7	[34]
NxO	110	[34]
Tx	0.04	[34]
Peripheral Resistance
Baroreflex
K	1	Estimé
T	6 s	[33, 34]
R	3 s	[33, 34]
ax	0.3	[34]
bx	0.7	[34]
NxO	110	[34]
Tx	0.04	[34]
Cardiopulmonary Reflex
K	0.06	[26]
T	6 s	[33]
R	3 s	[33]
Venous volume
Baroreflex
K	1	Estimé
T	6 s	[33, 34]
R	3 s	[33, 34]
ax	0.3	[34]
bx	0.7	[34]
NxO	110	[34]
Tx	0.04	[34]
Cardiopulmonary Reflex
K	22	[26]
T	6 s	[33]
R	3 s	[33]