Überschriften im Header im Frontmatter

[mormuel]

Hallo Leute,

dies nun mein erster Eintrag hier in diesem Forum.
Ich bin derzeit beschäftigt mit dem Abschlussprojekt an der Uni und würde mich freuen wenn ihr mir helfen könntent bei einem für euch simplen Problem.

Alles läuft soweit mit dem unten gebebenem Code, jedoch die Chapter-Überschriften im rechten Header funktionieren nicht korrekt für das Vorwort (Preface), die Zusammenfassung (Summary), List of Symbols und die Nomenclature.
Ich habe schon ausprobiert mit dem Befehl \markboth{}{}, leider ohne Erfolg! Im angehängten PDF könnt Ihr sehen wie die Header aussehen.

Könnt Ihr mir also eine Lösung sagen wie ich die korrekten Chapter-Überschriften in den rechten Header bekommen?

Vielen Dank für eure Zeit!



\documentclass[final,11pt,a4paper,oneside]{report}
\usepackage{url}
\usepackage[T1]{fontenc} % New fonts
\usepackage{graphicx}
\usepackage{color}
\usepackage{subfigure}
\usepackage{ae}
\usepackage{boxedminipage}
\usepackage{tabularx}
\usepackage{fancyhdr}
\usepackage{wrapfig}
\usepackage{setspace}
\usepackage{array}
\usepackage{multicol}
\usepackage{xcolor}
\usepackage{float} % For new float environments (includes option H !)
\usepackage[gen]{eurosym}
\usepackage{pdfpages}
\usepackage{amsmath}
\usepackage[margin=14pt,font=small,labelfont={sf,bf},labelsep= endash]{caption}
\usepackage{mdwlist}
\usepackage{appendix}
\usepackage[compact,small]{titlesec}
\usepackage{titletoc}
\usepackage[scaled=.92]{helvet}
\usepackage{nomencl}
\usepackage{lscape}
\usepackage[draft]{listofsymbols}
\usepackage[plainpages=false,pdfpagelabels]{hyperref}

%%%%%%%%%%%New font
\renewcommand{\familydefault}{\sfdefault}

%Make Chapter space smaller!
\makeatletter
\def\@makechapterhead#1{%
{\parindent \z@ \raggedright \normalfont
\ifnum \c@secnumdepth >\m@ne
\huge\bfseries \@chapapp\space \thechapter
\par\nobreak
\vskip 10\p@
\fi
\interlinepenalty\@M
\Huge \bfseries #1\par\nobreak
\vskip 20\p@
}}
\makeatother

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\fancypagestyle{plain}{%start editing plain pagestyle
\fancyfoot[R]{\thepage}
\fancyfoot[C]{}
\lhead{\includegraphics[height=28pt]{image/tudelft.jpg}}
}

%Headers and page numbering
%\fancypagestyle{fancy}{
%\fancyhf{}
%\renewcommand{\headrulewidth}{.5pt}
%\renewcommand{\footrulewidth}{0.5pt}
%\renewcommand{\chaptermark}[1]{\markboth{\textbf{\thechapter.\ #1}}{}}
%\lhead{\includegraphics[height=28pt]{image/tudelft.jpg}}
%\rhead{\leftmark}
%\rfoot{\thepage}
%\lfoot{\textit{DSE-Group 7 - V1.1}}
%}


%%%%%%%%%%%%%%%%%%%%TOC%%%%%%%%%%%%%%%%%%%%%%
\titlecontents{chapter}[0.7cm]
{\vspace{-0.45cm}}
{\sffamily\bfseries\large\contentslabel{0.7cm}}
{\sffamily\bfseries\large\hspace{-0.7cm}}
{\sffamily\bfseries\large\hfill\contentspage}
\titlecontents{section}[2cm]
{\vspace{-.45cm}}
{\sffamily\contentslabel{1.3cm}}
{}
{\titlerule*[1mm]{.}\sffamily\contentspage}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%

%Make latex like floars
\renewcommand\floatpagefraction{.9}
\renewcommand\topfraction{.9}
\renewcommand\bottomfraction{.9}
\renewcommand\textfraction{.1}

%make margins small
\addtolength{\oddsidemargin}{-.7in}
\addtolength{\evensidemargin}{-0in}
\addtolength{\textwidth}{1.2in}
\setlength{\headsep}{0.5cm}
\setlength{\partopsep}{0pt}

\titlespacing{\section}{0pt}{*0}{*0}
\titlespacing{\subsection}{0pt}{*0}{*0}
\titlespacing{\subsubsection}{0pt}{*0}{*0}

%PDF Error messages
\pdfminorversion=6

%Nomenclature
\let\abk\nomenclature
% Punkte zw. Abkürzung und Erklärung
\setlength{\nomlabelwidth}{.20\hsize}
\renewcommand{\nomlabel}[1]{#1 \dotfill}
% Zeilenabstände verkleinern
\setlength{\nomitemsep}{-\parsep}

%List of Symbols
\renewcommand{\symheadingname}{LIST OF SYMBOLS }

%set topmargin
\setlength{\topmargin}{-0.3in}
\setlength{\textheight}{9in}
\setlength\headheight{32.36pt}
\setlength{\parskip}{0.12in}

\makenomenclature
\setcounter{tocdepth}{1}

\begin{document}
\input{chapters/TITELBILD}
\pagenumbering{roman}

\input{chapters/titlepage1}
\pagestyle{plain}
\input{chapters/Changelog}
\input{chapters/ch_preface}
\input{chapters/summary}

\tableofcontents
\clearpage
\input{chapters/listofsymbols}
\listofsymbols
\printnomenclature

\clearpage
\pagenumbering{arabic}


%\begin{twocolumn}

\input{chapters/CHIntroduction}
\clearpage
\input{chapters/ProjectApproach}
\clearpage
\input{chapters/ProblemApproach}
\clearpage
\input{chapters/Concepts}
\clearpage
\input{chapters/CHPhase1}
\clearpage
\input{chapters/Aerodynamicdesign}
\clearpage
\input{chapters/Propulsion}
\clearpage
\input{chapters/IntermediateDesignSummary}
\clearpage
\input{chapters/Stabilityandcontrol}
\clearpage
\input{chapters/StructuresAndMaterials}
\clearpage
\input{chapters/AirshipOnBoardSystems}\clearpage
\input{chapters/CHPhase3_Production}\clearpage
\input{chapters/CHPhase3_WeightEstimation}\clearpage
% \input{chapters/CHPhase2}
% \input{chapters/CHPhase3}
\input{chapters/CHIteration}\clearpage
\input{chapters/CHPhase4}\clearpage
\input{chapters/finalconceptspecifications}\clearpage
\input{chapters/DesignEvaluation}\clearpage
\input{chapters/Future}\clearpage
\input{chapters/Conclusion}
\clearpage
\input{chapters/Recommendations}
\clearpage
%\end{twocolumn}

% \nocite{*}
%\clearpage
%\chapter*{Bibliography}
\addcontentsline{toc}{chapter}{Bibliography}
% \input{chapters/bibliography}
%\nocite{*}
\begin{spacing}{0.9}
\bibliographystyle{plain}
\bibliography{chapters/bibi}
\end{spacing}
\clearpage
%\newpage
%\addcontentsline{}{chapter}{Appenices}

\addappheadtotoc
\begin{appendix}
\addcontentsline{toc}{chapter}{A~~~~Engineering Drawings}
\input{chapters/appA}
\setcounter{chapter}{1}
\input{chapters/appB}
\input{chapters/appC}
\input{chapters/appD}
\input{chapters/appE}
\addcontentsline{toc}{chapter}{F~~~~Gantt Chart}
\input{chapters/appF}
\setcounter{chapter}{6}
\input{chapters/appG}

% \addcontentsline{toc}{chapter}{D Gantt Chart}
\end{appendix}

\end{document}