Ejemplo n.º 1
0
 private void addRampPlan(double initialSpeed, double endSpeed, double exactDuration, double distance, List <StepInstrution> pathPlans)
 {
     checked
     {
         var profile  = AccelerationBuilder.FromTo(initialSpeed, endSpeed, (int)Math.Round(distance), exactDuration);
         var timeDiff = Math.Abs(profile.TotalTickCount - exactDuration * Configuration.TimerFrequency);
         System.Diagnostics.Debug.WriteLine("Acceleration time diff: " + timeDiff);
         System.Diagnostics.Debug.WriteLine("\t" + profile);
         pathPlans.Add(profile.ToInstruction());
     }
 }
Ejemplo n.º 2
0
        private StepInstrution getAccelerationInstruction(double currentSpeed, double desiredSpeed, double accelerationTime)
        {
            var speedDiff    = desiredSpeed - currentSpeed;
            var acceleration = speedDiff / accelerationTime;

            var trajectory        = currentSpeed * accelerationTime + 0.5 * acceleration * accelerationTime * accelerationTime;
            var trajectorySteps   = (int)Math.Round(trajectory / Configuration.MilimetersPerStep);
            var currentSpeedSteps = currentSpeed / Configuration.MilimetersPerStep;
            var desiredSpeedSteps = desiredSpeed / Configuration.MilimetersPerStep;
            var builder           = AccelerationBuilder.FromTo(Math.Abs(currentSpeedSteps), Math.Abs(desiredSpeedSteps), trajectorySteps, accelerationTime);
            var instruction       = builder.ToInstruction();

            return(instruction);
        }
Ejemplo n.º 3
0
        /// <summary>
        /// Adds line with specified initial and desired speed.
        /// </summary>
        /// <param name="xSteps">Number of steps along x.</param>
        /// <param name="ySteps">Numer of steps along y.</param>
        /// <param name="planeAcceleration">Acceleration used for getting desired speed out of initial.</param>
        public Speed AddLineXY(int xSteps, int ySteps, Speed initialSpeed, Acceleration planeAcceleration, Speed desiredEndSpeed)
        {
            if (xSteps == 0 && ySteps == 0)
            {
                //nothing to do
                return(initialSpeed);
            }

            Speed speedLimitX, speedLimitY;

            DecomposeXY(xSteps, ySteps, desiredEndSpeed, out speedLimitX, out speedLimitY);

            Speed initialSpeedX, initialSpeedY;

            DecomposeXY(xSteps, ySteps, initialSpeed, out initialSpeedX, out initialSpeedY);

            Acceleration accelerationX, accelerationY;

            DecomposeXY(xSteps, ySteps, planeAcceleration, out accelerationX, out accelerationY);

            Speed reachedX, reachedY;
            int   accelerationStepsX, accelerationStepsY;
            var   timeX = AccelerationBuilder.CalculateTime(initialSpeedX, speedLimitX, accelerationX, xSteps, out reachedX, out accelerationStepsX);
            var   timeY = AccelerationBuilder.CalculateTime(initialSpeedY, speedLimitY, accelerationY, ySteps, out reachedY, out accelerationStepsY);

            //take acceleration time according to axis with more precision
            var accelerationTime = Math.Max(timeX, timeY);

            var accelerationProfileX = AccelerationBuilder.FromTo(initialSpeedX, reachedX, accelerationStepsX, accelerationTime);
            var accelerationProfileY = AccelerationBuilder.FromTo(initialSpeedY, reachedY, accelerationStepsY, accelerationTime);

            var reachedSpeedX = Speed.FromDeltaT(accelerationProfileX.EndDelta + accelerationProfileX.BaseDeltaT);
            var reachedSpeedY = Speed.FromDeltaT(accelerationProfileY.EndDelta + accelerationProfileY.BaseDeltaT);
            var reachedSpeed  = ComposeSpeeds(reachedSpeedX, reachedSpeedY);

            var remainingX = xSteps - accelerationProfileX.StepCount;
            var remainingY = ySteps - accelerationProfileY.StepCount;

            if (accelerationProfileX.StepCount == 0 && accelerationProfileY.StepCount == 0)
            {
                reachedSpeed = initialSpeed;
            }

            //send profile
            AddAccelerationXY(accelerationProfileX, accelerationProfileY);
            AddConstantSpeedTransitionXY(remainingX, remainingY, reachedSpeed);

            return(reachedSpeed);
        }
Ejemplo n.º 4
0
        /// <summary>
        /// Adds ramped line with specified number of steps.
        /// </summary>
        /// <param name="xSteps">Number of steps along x.</param>
        /// <param name="ySteps">Numer of steps along y.</param>
        /// <param name="planeAcceleration">Acceleration used for ramping - calculated for both axis combined.</param>
        /// <param name="planeSpeedLimit">Maximal speed that could be achieved for both axis combined.</param>
        public void AddRampedLineXY(int xSteps, int ySteps, Acceleration planeAcceleration, Speed planeSpeedLimit)
        {
            if (xSteps == 0 && ySteps == 0)
            {
                //nothing to do
                return;
            }
            Speed speedLimitX, speedLimitY;

            DecomposeXY(xSteps, ySteps, planeSpeedLimit, out speedLimitX, out speedLimitY);

            Acceleration accelerationX, accelerationY;

            DecomposeXY(xSteps, ySteps, planeAcceleration, out accelerationX, out accelerationY);

            Speed reachedX, reachedY;
            int   accelerationStepsX, accelerationStepsY;
            var   timeX = AccelerationBuilder.CalculateTime(Speed.Zero, speedLimitX, accelerationX, xSteps / 2, out reachedX, out accelerationStepsX);
            var   timeY = AccelerationBuilder.CalculateTime(Speed.Zero, speedLimitY, accelerationY, ySteps / 2, out reachedY, out accelerationStepsY);

            //take acceleration time according to axis with more precision
            var accelerationTime = Math.Max(timeX, timeY);

            var accelerationProfileX = AccelerationBuilder.FromTo(Speed.Zero, reachedX, accelerationStepsX, accelerationTime);
            var accelerationProfileY = AccelerationBuilder.FromTo(Speed.Zero, reachedY, accelerationStepsY, accelerationTime);

            var reachedSpeedX = Speed.FromDeltaT(accelerationProfileX.EndDelta + accelerationProfileX.BaseDeltaT);
            var reachedSpeedY = Speed.FromDeltaT(accelerationProfileY.EndDelta + accelerationProfileY.BaseDeltaT);
            var reachedSpeed  = ComposeSpeeds(reachedSpeedX, reachedSpeedY);

            var decelerationProfileX = AccelerationBuilder.FromTo(reachedX, Speed.Zero, accelerationStepsX, accelerationTime);
            var decelerationProfileY = AccelerationBuilder.FromTo(reachedY, Speed.Zero, accelerationStepsY, accelerationTime);

            var remainingX = xSteps - accelerationProfileX.StepCount - decelerationProfileX.StepCount;
            var remainingY = ySteps - accelerationProfileY.StepCount - decelerationProfileY.StepCount;

            //send ramp
            AddAccelerationXY(accelerationProfileX, accelerationProfileY);
            AddConstantSpeedTransitionXY(remainingX, remainingY, reachedSpeed);
            AddAccelerationXY(decelerationProfileX, decelerationProfileY);
        }
Ejemplo n.º 5
0
        /// <summary>
        /// Adds ramped line with specified number of steps.
        /// </summary>
        /// <param name="uSteps">Number of steps along u.</param>
        /// <param name="vSteps">Numer of steps along v.</param>
        /// <param name="xSteps">Number of steps along x.</param>
        /// <param name="ySteps">Numer of steps along y.</param>
        /// <param name="planeAcceleration">Acceleration used for ramping - calculated for both axis combined.</param>
        /// <param name="planeSpeedLimit">Maximal speed that could be achieved for both axis combined.</param>
        public void AddRampedLineUVXY(int uSteps, int vSteps, int xSteps, int ySteps, Acceleration planeAcceleration, Speed planeSpeedLimit)
        {
            if (uSteps == 0 && vSteps == 0 && xSteps == 0 && ySteps == 0)
            {
                //nothing to do
                return;
            }

            Speed speedLimitU, speedLimitV;

            DecomposeXY(uSteps, vSteps, planeSpeedLimit, out speedLimitU, out speedLimitV);

            Acceleration accelerationU, accelerationV;

            DecomposeXY(uSteps, vSteps, planeAcceleration, out accelerationU, out accelerationV);

            Speed speedLimitX, speedLimitY;

            DecomposeXY(xSteps, ySteps, planeSpeedLimit, out speedLimitX, out speedLimitY);

            Acceleration accelerationX, accelerationY;

            DecomposeXY(xSteps, ySteps, planeAcceleration, out accelerationX, out accelerationY);

            Speed reachedU, reachedV, reachedX, reachedY;
            int   accelerationStepsU, accelerationStepsV, accelerationStepsX, accelerationStepsY;
            var   timeU = AccelerationBuilder.CalculateTime(Speed.Zero, speedLimitU, accelerationU, uSteps / 2, out reachedU, out accelerationStepsU);
            var   timeV = AccelerationBuilder.CalculateTime(Speed.Zero, speedLimitV, accelerationV, vSteps / 2, out reachedV, out accelerationStepsV);
            var   timeX = AccelerationBuilder.CalculateTime(Speed.Zero, speedLimitX, accelerationX, xSteps / 2, out reachedX, out accelerationStepsX);
            var   timeY = AccelerationBuilder.CalculateTime(Speed.Zero, speedLimitY, accelerationY, ySteps / 2, out reachedY, out accelerationStepsY);

            //take acceleration time according to axis with more precision
            var accelerationTime = Math.Max(Math.Max(timeU, timeV), Math.Max(timeX, timeY));

            var accelerationProfileU = AccelerationBuilder.FromTo(Speed.Zero, reachedU, accelerationStepsU, accelerationTime);
            var accelerationProfileV = AccelerationBuilder.FromTo(Speed.Zero, reachedV, accelerationStepsV, accelerationTime);
            var accelerationProfileX = AccelerationBuilder.FromTo(Speed.Zero, reachedX, accelerationStepsX, accelerationTime);
            var accelerationProfileY = AccelerationBuilder.FromTo(Speed.Zero, reachedY, accelerationStepsY, accelerationTime);

            var reachedSpeedU = Speed.FromDeltaT(accelerationProfileU.EndDelta + accelerationProfileU.BaseDeltaT);
            var reachedSpeedV = Speed.FromDeltaT(accelerationProfileV.EndDelta + accelerationProfileV.BaseDeltaT);
            var reachedSpeedX = Speed.FromDeltaT(accelerationProfileX.EndDelta + accelerationProfileX.BaseDeltaT);
            var reachedSpeedY = Speed.FromDeltaT(accelerationProfileY.EndDelta + accelerationProfileY.BaseDeltaT);

            var reachedSpeedUV = ComposeSpeeds(reachedSpeedU, reachedSpeedV);
            var reachedSpeedXY = ComposeSpeeds(reachedSpeedX, reachedSpeedY);

            var decelerationProfileU = AccelerationBuilder.FromTo(reachedU, Speed.Zero, accelerationStepsU, accelerationTime);
            var decelerationProfileV = AccelerationBuilder.FromTo(reachedV, Speed.Zero, accelerationStepsV, accelerationTime);
            var decelerationProfileX = AccelerationBuilder.FromTo(reachedX, Speed.Zero, accelerationStepsX, accelerationTime);
            var decelerationProfileY = AccelerationBuilder.FromTo(reachedY, Speed.Zero, accelerationStepsY, accelerationTime);

            var remainingU = uSteps - accelerationProfileU.StepCount - decelerationProfileU.StepCount;
            var remainingV = vSteps - accelerationProfileV.StepCount - decelerationProfileV.StepCount;
            var remainingX = xSteps - accelerationProfileX.StepCount - decelerationProfileX.StepCount;
            var remainingY = ySteps - accelerationProfileY.StepCount - decelerationProfileY.StepCount;

            //send ramp
            AddAccelerationUVXY(accelerationProfileU, accelerationProfileV, accelerationProfileX, accelerationProfileY);
            AddConstantSpeedTransitionUVXY(remainingU, remainingV, reachedSpeedUV, remainingX, remainingY, reachedSpeedXY);
            AddAccelerationUVXY(decelerationProfileU, decelerationProfileV, decelerationProfileX, decelerationProfileY);
        }