public double[] GenerateRandomAntennaPositions(AntennaArray antennaArray)
{
double[] antennaPositions = new double[antennaArray.N_antennae];
// Always add the contant antenna in the furtherest position to the right
antennaPositions[antennaPositions.Length - 1] = antennaArray.MaximumArrayPosition;
bool isValidGeneration = false;
Random random = new Random();
while (isValidGeneration == false)
{
for (int index = 0; index <= antennaPositions.Length - 2; index++)
{
double randomNum = random.NextDouble() * (antennaArray.MaximumArrayPosition - AntennaArray.MIN_SPACING) + AntennaArray.MIN_SPACING;
antennaPositions[index] = randomNum;
}
// Exit clause
if (antennaArray.Is_valid(antennaPositions))
{
isValidGeneration = true;
}
}
return(antennaPositions);
}
public SwarmController(RandomValidPositionGenerator randomValidPositionGenerator, AntennaArray antennaArray, double[] initialGlobalBest)
{
this.randomValidPositionGenerator = randomValidPositionGenerator;
this.antennaArray = antennaArray;
globalBestPosition = initialGlobalBest;
globalBestEvaluationValue = antennaArray.Evaluate(globalBestPosition);
swarm = new List <Particle>();
random = new Random();
}
public void InitialiseSwarm(int numberOfParticlesInSwarm, AntennaArray antennaArray)
{
for (int index = 0; index <= numberOfParticlesInSwarm - 1; index++)
{
double[] initialPosition = randomValidPositionGenerator.GenerateRandomAntennaPositions(antennaArray);
double[] initialGoalPosition = randomValidPositionGenerator.GenerateRandomAntennaPositions(antennaArray);
double[] initialVelocity = GenerateInitialVelocity(initialPosition, initialGoalPosition);
swarm.Add(new Particle(initialPosition, initialVelocity, initialPosition));
UpdateGlobalBestFromPersonalBest(initialPosition);
}
}
public void RunApplication()
{
AntennaArray antennaArray = new AntennaArray(3, 90);
RandomValidPositionGenerator antennaPlacementGenerator = new RandomValidPositionGenerator(antennaArray);
SwarmController swarmController = new SwarmController(antennaPlacementGenerator, antennaArray, antennaPlacementGenerator.GenerateRandomAntennaPositions(antennaArray));
swarmController.InitialiseSwarm(1000, antennaArray);
var now = DateTime.Now;
while (DateTime.Now < now.AddMilliseconds(timeToExecuteFor))
{
swarmController.UpdateSwarm();
}
}
public RandomValidPositionGenerator(AntennaArray antennaArray)
{
AntennaArray = antennaArray;
}