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A2. Configuration Parameters
Ezequiel Torres Feyuk edited this page Apr 19, 2017
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The following section has information about the parameters used by MLC to manipulate the creation and evolution of the populations throughout an entire experiment. The parameters shown in this section are exclusively used internally by MLC, so if the user find another parameters inside the configuration files of the examples, that means they were added on purpose to be used in that particular experiment
Parameter | Description | Range of Values |
---|---|---|
logmode | Log configuration used by MLC | root, testing, file, console, (...customs) |
Parameter | Description | Range of Values |
---|---|---|
size | Number of individuals of every population | integer |
sensors | Number of inputs for control laws | integer |
sensor_spec | If true, sensors' indexes are retrieved from the parameter sensor_list. If False, sensors' indexes will be completed in an autonumeric form | boolean (0,1) |
sensor_list | Set the sensor indexes for the sensors set in the LISP regressive tree function | integer (list) |
controls | Number of control laws | integer |
sensor_prob | Probability of create a sensor-based operation | integer (0 to 1) |
leaf_prob | Probability of create a leaf node | integer (0 to 1) |
range | Absolute value of minimum and maximum of generated constans | integer |
precision | Decimal precision of generated constantes | 1-20 |
opsetrange | Index of operations to use | 1(+), 2(-), 3(*), 4(/), 5(sin), 6(cos), 7(log), 8(exp), 9(tanh) |
formal | TODO | - |
end_character | TODO | - |
individual_type | TODO | - |
Parameter | Description | Range of Values |
---|---|---|
maxdepth | Maximum depth of all individuals | integer |
maxdepthfirst | Maximum depth of individuals in first generation | integer |
mindepth | Minimum depth of individuals before simplification | integer |
mutmindepth | Minimum depth at which a node is selected for mutation or crossover | integer |
mutmaxdepth | Maximum depth at which a mode is selected for mutation or crossover | integer |
mutsubtreemindepth | Minimum depth of a subtree for crossover | integer |
generation_method | Choose the way the individuals will be created | fixed_maxdepthfirst, mixed_ramped_gauss, random_maxdepthfirst, full_maxdepthfirst, mixed_maxdepthfirst, mixed_ramped_even |
gaussigma | Standard deviaton for the gaussian distribution (if mixed_ramped_gauss is used) | float |
ramp | Range of tree depth to be sued in ramped generation methods | array |
maxtries | TODO | - |
mutation_types | TODO | - |
Parameter | Description | Range of Values |
---|---|---|
elitism | Number of individuals selected by elitism | integer |
probrep | Replication probability | float |
probmut | Mutation probability | float |
probcro | Crossover probability | float |
selectionmethod | Method by which the individuals are selected | tournament, fitness_proportional, pareto |
tournamentsize | Number of individuals that enter each tournament | integer |
lookforduplicates | Boolean value that remove duplicates in the same generation | 0, 1 |
simplify | Boolean value that simplify LISP expressions using rules and actions coded in opset | 0, 1 |
cascade | TODO | - |
Parameter | Description | Range of Values |
---|---|---|
evaluation_method | Dictates the way the evaluation of the individuals will be made | test, mfile_multi, mfile_standalone |
evaluation_function | Dynamically choose the function of evaluation to be used | arduino, toy_problem (for the moment) |
indfile | Name of the file where an external evaluator reads the individual | string |
Jfile | Name of the file where an external evaluator returns the cost | string |
exchangedir | Path for indfile and Jfile | string |
evaluate_all | TODO | - |
ev_again_best | Boolean value which indicates if a population has to be reevaluated before evolve it. | true, false |
ev_again_nb | TODO (I don't really know what this param does :() | - |
ev_again_times | Number of times a population will be evaluated if ev_again_best is true. | Integer |
artificialnoise | Noise added to the function to the problem to be solved | 0,1 |
execute_before_evaluation | TODO | - |
badvalue | cost value attributed to evaluation failures.Legal individuals with cost higher than badvalues has its cost changed to badvalue. This value can be expressed in scientific notation (e.g. 1e36) | double |
badvalues_elim | Tell in which populations individuals with bad values must be eliminated | none, first, all |
preevaluation | TODO | - |
preev_function | TODO | - |
Parameter | Description | Range of Values |
---|---|---|
save | If set on 1, saves the MLC object in 'mlc_be' before evaluation and in 'mlc_ae' after evaluation. Boolean value | 0, 1 |
saveincomplete | TODO | - |
fgen | TODO | - |
savedir | If set on 1, will trigger a display of the best individual has defined in the problem function | - |
This parameters are used by the evaluation method 'arduino'
Parameter | Description | Range of Values |
---|---|---|
baudrate | Baudrate of the Serial port | 9600, 115200 |
port | Port where the Arduino was mounted. Use the command dmesg to get this value | /dev/ttyACM0, /dev/USB0, etc |
command_opcode | Opcode of the command sent by the arduino function. Opcode dos activate timeouts and retries | 1, 2 |
wait_period | Time the arduino will wait after a comand is received to send a response | integer (milisencods) |
read_timeout | Time the Python serial port will wait for a response | integer (miliseconds) |
read_retries | Amount of times the arduino function will try to resend a command | integer |