def generate_network(mem_pars, net_pars):
if net_pars['type'] == graph_type[1]:
G = nx.watts_strogatz_graph(net_pars['N'], net_pars['k'],
net_pars['p'])
elif net_pars['type'] == graph_type[2]:
G = nx.random_regular_graph(net_pars['degree'], net_pars['N'])
cir = Circuit('Memristor network test')
# assign dictionary with terminals and memristors
memdict = {}
w = mem_pars['w']
D = mem_pars['D']
Roff = mem_pars['Roff']
Ron = mem_pars['Ron']
mu = mem_pars['mu']
Tao = mem_pars['Tao']
for e in G.edges_iter():
rval = round(Roff + 0.01 * Roff * (random.random() - 0.5), 2)
key = 'R' + str(e[0]) + str(e[1])
[v1, v2] = [e[0], e[1]]
memdict[key] = [
v1, v2, memristor.memristor(w, D, Roff, Ron, mu, Tao, 0.0)
] # we set v=0.0 value in the beginning
cir.add_resistor(key, 'n' + str(v1), 'n' + str(v2), rval)
G[e[0]][e[1]]['weight'] = rval
# edge_labels[e]=rval;
for n in G.nodes_iter():
G.node[n]['number'] = n
# Add random ground and voltage terminal nodes
[v1, gnd] = random.sample(xrange(0, len(G.nodes())), 2)
lastnode = len(G.nodes())
G.add_edge(v1, lastnode)
G.node[lastnode]['number'] = 'V1'
lastnode += 1
G.add_edge(gnd, lastnode)
G.node[lastnode]['number'] = 'gnd'
plot_graph(G)
export_graph(
G,
'/Users/nfrik/CloudStation/Research/LaBean/ESN/FalstadSPICE/test.txt')
cir.add_resistor("RG", 'n' + str(gnd), cir.gnd, 0.001)
cir.add_vsource("V1", 'n' + str(v1), cir.gnd, 1000)
opa = new_op()
# netdict contains setup graph and circuit
networkdict = {}
networkdict['Graph'] = G
networkdict['Circuit'] = cir
networkdict['Memristors'] = memdict
networkdict['Opa'] = opa
return networkdict
def generate_network(mem_pars, net_pars):
if net_pars['type']==graph_type[1]:
G = nx.watts_strogatz_graph(net_pars['N'],net_pars['k'],net_pars['p'])
elif net_pars['type']==graph_type[2]:
G = nx.random_regular_graph(net_pars['degree'], net_pars['N'])
cir = Circuit('Memristor network test')
# assign dictionary with terminals and memristors
memdict = {}
w = mem_pars['w']
D = mem_pars['D']
Roff = mem_pars['Roff']
Ron = mem_pars['Ron']
mu = mem_pars['mu']
Tao = mem_pars['Tao']
for e in G.edges_iter():
rval = round(Roff + 0.01 * Roff * (random.random() - 0.5), 2)
key = 'R' + str(e[0]) + str(e[1])
[v1, v2] = [e[0], e[1]]
memdict[key] = [v1, v2,
memristor.memristor(w, D, Roff, Ron, mu, Tao, 0.0)] # we set v=0.0 value in the beginning
cir.add_resistor(key, 'n' + str(v1), 'n' + str(v2), rval)
G[e[0]][e[1]]['weight'] = rval
# edge_labels[e]=rval;
for n in G.nodes_iter():
G.node[n]['number'] = n
# Add random ground and voltage terminal nodes
[v1, gnd] = random.sample(xrange(0, len(G.nodes())), 2)
lastnode = len(G.nodes())
G.add_edge(v1, lastnode)
G.node[lastnode]['number'] = 'V1'
lastnode += 1
G.add_edge(gnd, lastnode)
G.node[lastnode]['number'] = 'gnd'
plot_graph(G)
export_graph(G,'/Users/nfrik/CloudStation/Research/LaBean/ESN/FalstadSPICE/test.txt')
cir.add_resistor("RG", 'n' + str(gnd), cir.gnd, 0.001)
cir.add_vsource("V1", 'n' + str(v1), cir.gnd, 1000)
opa = new_op()
# netdict contains setup graph and circuit
networkdict = {}
networkdict['Graph'] = G
networkdict['Circuit'] = cir
networkdict['Memristors'] = memdict
networkdict['Opa']=opa
return networkdict
from ahkab import new_ac, run
from ahkab.circuit import Circuit
from ahkab.plotting import plot_results # calls matplotlib for you
import numpy as np
import matplotlib.pyplot as plt
# Define the circuit
cir = Circuit('Butterworth 1kHz band-pass filter')
cir.add_vsource('V1', 'n1', cir.gnd, dc_value=0., ac_value=1.)
cir.add_resistor('R1', 'n1', 'n2', 50.)
cir.add_inductor('L1', 'n2', 'n3', 0.245894)
cir.add_capacitor('C1', 'n3', 'n4', 1.03013e-07)
cir.add_inductor('L2', 'n4', cir.gnd, 9.83652e-05)
cir.add_capacitor('C2', 'n4', cir.gnd, 0.000257513)
cir.add_inductor('L3', 'n4', 'n5', 0.795775)
cir.add_capacitor('C3', 'n5', 'n6', 3.1831e-08)
cir.add_inductor('L4', 'n6', cir.gnd, 9.83652e-05)
cir.add_capacitor('C4', 'n6', cir.gnd, 0.000257513)
cir.add_capacitor('C5', 'n7', 'n8', 1.03013e-07)
cir.add_inductor('L5', 'n6', 'n7', 0.245894)
cir.add_resistor('R2', 'n8', cir.gnd, 50.)
# Define the analysis
ac1 = new_ac(.97e3, 1.03e3, 1e2, x0=None)
# run it
res = run(cir, ac1)
# plot the results
plot_results('5th order 1kHz Butterworth filter', [('|Vn8|',"")], res['ac'],
outfilename='bpf_transfer_fn.png')
from ahkab import new_dc, run
from ahkab.circuit import Circuit
from ahkab.plotting import plot_results, show_plots # calls matplotlib for you
import scipy as np
from ahkab.components.TunnelJunction import *
# Define the circuit
tjm = TunnelJunctionModel("tjm")
cir = Circuit('Scanning Tunnel Microscope IV')
cir.add_model("diode", "ddd", {"IS": 0.000139 * 3 * 2.5, "N": 160})
cir.add_vsource('V1', 'n1', cir.gnd, dc_value=1., ac_value=0.)
cir.add_diode('D1', 'n1', 'n2', "ddd")
cir.add_resistor('R1', 'n1', 'n3', 1.)
tj = TunnelJunction('tj1',
cir.add_node('n2'),
cir.add_node(cir.gnd),
tjm,
d=10)
cir.append(tj)
dc1 = new_dc(-2.1, 3, 1e2, source="V1")
res = run(cir, dc1)
plot_results('Scanning Tunnel Microscope IV', [('I(V1)', '')], res['dc'])
show_plots()
__author__ = 'nfrik'
from ahkab import *
from ahkab.circuit import Circuit
cir = Circuit('asdf')
cir.add_vsource('V1','n1',cir.gnd,dc_value=1.,ac_value=0.)
cir.add_resistor('R1','n1','n2',50.)
cir.add_resistor('R2','n2','n3',1100)
cir.add_resistor('R4','n3',cir.gnd,10)
# ac1 = new_ac(2.*np.pi*.97e3, 2.*np.pi*1.03e3,1e2,x0=None)
opa = new_op()
r = run(cir,opa)['op']
print r['VN2'][0][0]
print r
cir[0].dc_value=10.
r = run(cir,opa)['op']
print r['VN2'][0][0]
print r
# res = run(cir, ac1)
#
# # plot_results('asdf',[('|Vn8|',"")],res['ac'],outfilename='dccircuit.png')
#
# plot_results('5th order 1kHz Butterworth filter', [('|Vn3|',"")], res['ac'],
# outfilename='bpf_transfer_fn.png')
from ahkab import new_ac, run
from ahkab.circuit import Circuit
from ahkab.plotting import plot_results # calls matplotlib for you
import numpy as np
cir = Circuit('Simple circuit')
cir.add_vsource('V1', 'n1', cir.gnd, dc_value=5)
cir.add_resistor('R1', 'n1', 'n2', 50)
res = run(cir)
print res
print type(res)
import ahkab
from ahkab.circuit import Circuit
from ahkab.symbolic import symbolic_analysis
import matplotlib.pyplot as plt
R = 1 #0.1e3
L = 1e-2 #0.2e-12
C = 0.5 #0.3e-9
c = Circuit('Sincronização de circuito LC')
# resistors must be placed so all tanks are connected through one
c.add_resistor('R1', 'n1', 'n2', R)
c.add_resistor('R2', 'n2', 'n3', R)
c.add_resistor('R3', 'n3', 'n4', R)
c.add_resistor('R3', 'n4', 'n2', R)
# tank1
c.add_inductor('L1', 'n1', c.gnd, L)
c.add_capacitor('C1', 'n1', c.gnd, C)
# tank2
c.add_inductor('L2', 'n2', c.gnd, L)
c.add_capacitor('C2', 'n2', c.gnd, C)
# tank3
c.add_inductor('L3', 'n3', c.gnd, L)
c.add_capacitor('C3', 'n3', c.gnd, C)
# tank4
c.add_inductor('L4', 'n4', c.gnd, L)
c.add_capacitor('C4', 'n4', c.gnd, C)
# Interferência destrutiva
x0 = ahkab.new_x0(c, {
'V(n1)': -0.2 / C,
'V(n2)': -0.1 / C,
from ahkab import new_dc, run
from ahkab.circuit import Circuit
from ahkab.plotting import plot_results, show_plots # calls matplotlib for you
import scipy as np
from ahkab.components.TunnelJunction import *
# Define the circuit
tjm=TunnelJunctionModel("tjm")
cir = Circuit('Scanning Tunnel Microscope IV')
cir.add_model("diode","ddd",{"IS":0.000139*3*2.5,"N":160})
cir.add_vsource('V1','n1', cir.gnd, dc_value=1., ac_value=0.)
cir.add_diode('D1','n1','n2',"ddd")
cir.add_resistor('R1', 'n1', 'n3', 1.)
tj=TunnelJunction('tj1',cir.add_node('n2'),cir.add_node(cir.gnd),tjm,d=10)
cir.append(tj)
dc1 = new_dc(-2.1,3, 1e2, source="V1")
res = run(cir, dc1)
plot_results('Scanning Tunnel Microscope IV', [('I(V1)','')], res['dc'])
show_plots()