edit PIDs to output normalized data and changed how UpdatGlobalThrust works
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59
main.lua
59
main.lua
@@ -860,12 +860,34 @@ function CreatePID(kp, ki, kd)
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ki = ki,
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kd = kd,
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integral = 0, lastError = 0,
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minOutput = 0,
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maxOutput = 256,
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update = function(self, setpoint, pv, dt)
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local error = setpoint - pv
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self.integral = self.integral + (error * dt)
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local derivative = (error - self.lastError) / dt
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local P = self.kp * error
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if dt > 0 then local D = self.kd * ((error - self.lastError) / dt) else D = 0 end
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local potential_i = self.integral + (self.ki * error * dt)
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local raw_output = P + potential_i + D
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local clampedOutput = 0
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if self.minOutput <= potential_i <= self.maxOutput then
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self.integral = potential_i
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clampedOutput = raw_output
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else
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clampedOutput = math.max(self.minOutput, math.min(raw_output, self.maxOutput))
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end
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self.lastError = error
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return (self.kp * error) + (self.ki * self.integral) + (self.kd * derivative)
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local normalizedOutput = (clampedOutput - self.minOutput) / (self.maxOutput - self.minOutput)
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return normalizedOutput
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end
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}
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end
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@@ -956,30 +978,37 @@ function UpdateGlobalThrust()
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-- Calculate desired thrust based on affectVectors and PID outputs
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if thruster.affectVectors.angular.pitch ~= nil and thruster.primary_pitch_thruster then
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desiredThrust = desiredThrust + pitchRateOutput
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if thruster.affectVectors.angular.pitch == "up" then
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desiredThrust = desiredThrust + pitchRateOutput
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else
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desiredThrust = desiredThrust - pitchRateOutput
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end
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end
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if thruster.affectVectors.angular.roll ~= nil and thruster.primary_roll_thruster then
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desiredThrust = desiredThrust + rollRateOutput
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if thruster.affectVectors.angular.roll == "port" then
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desiredThrust = desiredThrust + rollRateOutput
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else
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desiredThrust = desiredThrust - rollRateOutput
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end
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end
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if thruster.affectVectors.angular.yaw ~= nil and thruster.primary_yaw_thruster then
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desiredThrust = desiredThrust + yawRateOutput
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if thruster.affectVectors.angular.yaw == "port" then
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desiredThrust = desiredThrust + yawRateOutput
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else
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desiredThrust = desiredThrust - yawRateOutput
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end
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end
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if thruster.affectVectors.lateral.y == "up" then
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desiredThrust = desiredThrust + throttleOutput
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end
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if desiredThrust > maxThrust then maxThrust = desiredThrust end
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if desiredThrust < minThrust then minThrust = desiredThrust end
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-- Normalize the desired thrust to be between 0 and 1
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local normalizedThrust = normalize(desiredThrust, 0, 50)
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if normalizedThrust < 0 then normalizedThrust = 0 end
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if Config.Debug then print("DEBUG: "..thruster.name..": desiredThrust "..desiredThrust..", normalizedThrust "..normalizedThrust) end
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SetThrusterPower(thruster, normalizedThrust)
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SetThrusterPower(thruster, desiredThrust)
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end
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end
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