diff --git a/train-controller/src/main/java/hu/bme/mit/train/controller/TrainControllerImpl.java b/train-controller/src/main/java/hu/bme/mit/train/controller/TrainControllerImpl.java
index 7a2f165b5..9ad39a0c0 100644
--- a/train-controller/src/main/java/hu/bme/mit/train/controller/TrainControllerImpl.java
+++ b/train-controller/src/main/java/hu/bme/mit/train/controller/TrainControllerImpl.java
@@ -3,12 +3,21 @@
 import hu.bme.mit.train.interfaces.TrainController;
 
 import java.util.Date;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
 
 public class TrainControllerImpl implements TrainController {
 
 	private int step = 0;
 	private int referenceSpeed = 0;
 	private int speedLimit = 0;
+	private ScheduledExecutorService scheduler;
+
+	public TrainControllerImpl() {
+		scheduler = Executors.newSingleThreadScheduledExecutor();
+		scheduler.scheduleAtFixedRate(new UpdateSpeedTask(), 0, 1, TimeUnit.SECONDS);
+	}
 
 	@Override
 	public void followSpeed() {
@@ -50,5 +59,25 @@ public void setJoystickPosition(int joystickPosition) {
 	@Override
 	public void setEmergencyBrake(boolean EmergencyBrake){referenceSpeed=0;}
 
+	class UpdateSpeedTask implements Runnable {
+		@Override
+		public void run() {
+			updateReferenceSpeed();
+	}
+
+	private void updateReferenceSpeed() {
+		if (step > 0) {
+			referenceSpeed += step;
+		}
 
+		else if (step < 0) {
+			referenceSpeed-= Math.abs(step);
+		}
+
+		if (referenceSpeed < 0)
+		{
+			referenceSpeed = 0;
+		}
+	}
+}
 }