예제 #1
0
def make_greedy_time_optimal_supervisor_row_vectors(comp_names, req_names,
                                                    evt_pairs, sup_name,
                                                    row_vectors, operator):
    """
    Compute a greedy time optimal supervisor.

    @param comp_names: Available components (weighted automata).
    @type  comp_names: C{list} of L{str}

    @param req_names: Available requirements (unweighted automata).
    @type  req_names: C{list} of L{str}

    @param evt_pairs: Additional event pairs (eg "{(a, b), (c, e)}", "type1",
                      or "type2")
    @type  evt_pairs: C{str}

    @param sup_name: Name of the resulting supervisor.
    @type  sup_name: C{str}
    """
    common.print_line("Started greedy time optimal supervisor "
                      "computation (version %s)" % automata.version)
    coll = collection.Collection()
    comp_list = load_weighted_automata(coll, comp_names, False, True)
    req_list = frontend.load_automata(coll, req_names, False, True)

    evt_pairs = taskresource.process_event_pairs(coll, req_list, evt_pairs)

    result = taskresource.compute_custom_eventdata(comp_list, evt_pairs)
    if result is None:
        common.print_line('Could not compute the event data from the '
                          'components and event pairs\n'
                          'Perhaps they are inconsistent?')
        return

    eventdata, heap_len = result
    result = compute_weight.compute_greedy_time_optimal_supervisor(
        comp_list, req_list, eventdata, heap_len, row_vectors, operator)
    if result is None:
        common.print_line('Could not compute the weighted supervisor')
        return

    wsup, wmap = result
    one = maxplus.make_rowmat(0, heap_len)
    one = maxplus.otimes_mat_mat(one, wmap[wsup.initial])
    biggest = one.get_scalar()
    common.print_line("Sub-optimal makespan is %s" % biggest)

    wsup = weighted_supervisor.reduce_automaton_row_vecors(
        wsup, wmap, eventdata, heap_len, row_vectors)

    frontend.dump_stats("Computed weighted supervisor", wsup)
    save_weighted_automaton(wsup, "Supervisor is saved in %s\n", sup_name)
예제 #2
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def row_vector_compute(plant, req_names, evt_pairs, row_vector_names,
                       operator_class):
    coll = collection.Collection()
    comp_list = weighted_frontend.load_weighted_automata(
        coll, plant, False, True)
    req_list = frontend.load_automata(coll, req_names, False, True)
    evt_pairs = taskresource.process_event_pairs(coll, req_list, evt_pairs)
    result = taskresource.compute_custom_eventdata(comp_list, evt_pairs)
    if result is None:
        common.print_line('Could not compute the event data from the '
                          'components and event pairs\n'
                          'Perhaps they are inconsistent?')
        return

    eventdata, heap_len = result

    plant = weighted_product.n_ary_weighted_product(
        comp_list, algorithm.EQUAL_WEIGHT_EDGES)
    requirement = product.n_ary_unweighted_product(req_list)

    for comp in comp_list:
        comp.clear()
    del comp_list

    wsup = compute_weight.compute_weighted_supremal(plant, requirement)
    if wsup is None:
        return None
    requirement.clear()
    del requirement

    row_zero_mat = maxplus.make_rowmat(0, heap_len)
    row_epsilon_mat = maxplus.make_rowmat(maxplus.INFINITE, heap_len)

    marker_valfn = lambda state: row_zero_mat
    nonmarker_valfn = lambda state: row_epsilon_mat

    row_vecs = compute_state_row_vector(wsup, marker_valfn, nonmarker_valfn,
                                        eventdata, operator_class)

    return row_vecs
예제 #3
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def FK_row_vector(comp_names, req_names, evt_pairs):
    """
    Compute a LBE greedy time optimal supervisor.

    @param comp_names: Available components (weighted automata).
    @type  comp_names: C{list} of L{str}

    @param req_names: Available requirements (unweighted automata).
    @type  req_names: C{list} of L{str}

    @param evt_pairs: Additional event pairs (eg "{(a, b), (c, e)}", "type1",
                      or "type2")
    @type  evt_pairs: C{str}

    @param sup_name: Name of the resulting supervisor.
    @type  sup_name: C{str}
    """
    common.print_line("Started greedy time optimal supervisor "
                      "computation (version %s)" % automata.version)
    coll = collection.Collection()
    comp_list = load_weighted_automata(coll, comp_names, False, True)
    req_list = frontend.load_automata(coll, req_names, False, True)

    evt_pairs = taskresource.process_event_pairs(coll, req_list, evt_pairs)

    result = taskresource.compute_custom_eventdata(comp_list, evt_pairs)
    if result is None:
        common.print_line('Could not compute the event data from the '
                          'components and event pairs\n'
                          'Perhaps they are inconsistent?')
        return

    eventdata, heap_len = result
    result = compute_weight.FK_row_vector(comp_list, req_list, eventdata,
                                          heap_len)
    if result is None:
        common.print_line('Could not compute the row vector')
        return
예제 #4
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def enhanced_row_vector_compute(plant, req_names, evt_pairs, row_vector_names,
                                operator_class):
    coll = collection.Collection()
    comp_list = weighted_frontend.load_weighted_automata(
        coll, plant, False, True)
    req_list = frontend.load_automata(coll, req_names, False, True)
    evt_pairs = taskresource.process_event_pairs(coll, req_list, evt_pairs)
    result = taskresource.compute_custom_eventdata(comp_list, evt_pairs)
    if result is None:
        common.print_line('Could not compute the event data from the '
                          'components and event pairs\n'
                          'Perhaps they are inconsistent?')
        return

    eventdata, heap_len = result

    plant = do_n_ary_product_map(comp_list)
    for comp in comp_list:
        comp.clear()
    del comp_list

    wsup = plant.get_automaton()
    if wsup is None:
        return None

    row_zero_mat = maxplus.make_rowmat(0, 1)
    row_epsilon_mat = maxplus.make_rowmat(maxplus.INFINITE, 1)

    marker_valfn = lambda state: row_zero_mat
    nonmarker_valfn = lambda state: row_epsilon_mat

    row_vecs = enhance_compute_state_row_vector(wsup, marker_valfn,
                                                nonmarker_valfn, eventdata,
                                                operator_class)

    return row_vecs
예제 #5
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with open("EPUCK-mut_ex_" + str(num_comp) + "_plants.txt", "r") as mut_ex_list_file:
    mut_ex_list = mut_ex_list_file.read()
# comp_string = "plant1 plant2"
# mut_ex_list = "{}"

####### Program #######

# Generate component data
coll = collection.Collection()
common.print_line("Loading automata...")
comp_names = tools.convert(comp_string)
comp_list = weighted_frontend.load_weighted_automata(coll, comp_names, False, True)

common.print_line("Computing event data...")
evt_pairs = taskresource.process_event_pairs(coll, None, mut_ex_list)
eventdata, heap_len = taskresource.compute_custom_eventdata(comp_list, evt_pairs)

def find_distances_to_marker(comp_list):
    distances_structure = {}
    for comp in comp_list:
        distances_to_marker = {}
        
        # Find marker state
        # Maybe edit this part to work for automata with multiple marker states?
        end_state = None
        while end_state == None:
            for state in comp.get_states():
                if state.marked:
                    end_state = state
        distances_to_marker[end_state] = 0