From 8c6a24450a8c2b1acc2d1494c48ed7f2455d5aab Mon Sep 17 00:00:00 2001
From: Leonard Hall <leonardthall@gmail.com>
Date: Fri, 14 Sep 2018 22:43:02 +0930
Subject: [PATCH] AC_PID: Fix D term initialisation

---
 libraries/AC_PID/AC_PID.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/AC_PID/AC_PID.cpp b/libraries/AC_PID/AC_PID.cpp
index a3a564bd91..60184d9702 100644
--- a/libraries/AC_PID/AC_PID.cpp
+++ b/libraries/AC_PID/AC_PID.cpp
@@ -119,6 +119,7 @@ void AC_PID::set_input_filter_d(float input)
     // reset input filter to value received
     if (_flags._reset_filter) {
         _flags._reset_filter = false;
+        _input = input;
         _derivative = 0.0f;
     }