vii

KATA PENGANTAR

Puji syukur kepada Tuhan yang Maha Esa atas segala berkat, anugerah dan

rahmat-Nya sehingga penulis dapat menyelesaikan proses penyusunan Tugas

Akhir ini.

Tugas akhir dengan judul “APLIKASI IT ASSET MANAGEMENT

BERBASIS WEB DENGAN PENERAPAN FUZZY LOGIC PADA PROSES

PEMILIHAN VENDOR” disusun sebagai syarat untuk memenuhi sebagian

persyaratan akademik guna memperoleh gelar Sarjana Sistem Infomasi Strata Satu

pada Jurusan Sistem Informasi Fakultas Ilmu Komputer di Universitas Pelita

Harapan, Karawaci.

Penulis menyadari bahwa tanpa adanya dukungan, bantuan, dan doa dari

berbagai pihak, Tugas Akhir ini tidak akan dapat diselesaikan tepat waktu. Oleh

karena itu, penulis mengucapkan terima kasih yang sebesar-besarnya kepada

seluruh pihak yang telah mendukung proses penyusunan tugas akhir ini, yaitu :

1) Bapak Thompson Susabda Ngoen, S.Kom., M.Sc., sebagai Associate

Dean Fakultas Ilmu Komputer.

2) Hendra Achmadi, M.M., M.Acc. RFP™ CBA® sebagai Ketua Jurusan

Sistem Informasi.

3) Ibu Ririn Ikana Desanti, S.Kom., M.Kom., sebagai Dosen Pembimbing

Utama yang telah meluangkan waktu untuk memberikan bimbingan,

kritik dan saran yang membangun selama proses pembuatan Tugas Akhir

ini.

viii

4) Bapak Dr. Ir. Samuel Lukas, M.Tech., sebagai Dosen Pembimbing

Pendamping yang telah meluangkan waktu untuk memberikan

bimbingan, serta dengan sabar mengajari saya banyak hal baru selama

proses pembuatan Tugas Akhir ini.

5) Ibu Astrid Callista, MSc., sebagai Penasihat Akademik yang telah

membimbing penulis selama menjalankan studi di jurusan Sistem

Informasi.

6) Seluruh dosen yang telah mengajar penulis selama mengikuti perkuliahan

di Jurusan Sistem Informasi Universitas Pelita Harapan.

7) Seluruh jajaran staf PT. Bank Bisnis Internasional yang telah

memberikan informasi yang dibutuhkan untuk studi kasus Tugas Akhir

ini.

8) Seluruh teman-teman mahasiswa Universitas Pelita Harapan, khususnya

teman-teman seperjuangan jurusan Sistem Informasi angkatan 2009.

9) Semua pihak yang telah memberikan dukungan yang namanya tidak

dapat disebutkan satu per satu.

Akhir kata, penulis menyadari bahwa masih banyak kekurangan dalam

Tugas Akhir ini. Oleh karena itu, kritik dan saran yang membangun akan sangat

bermanfaat bagi penulis. Semoga Tugas Akhir ini dapat bermanfaat bagi semua

pembaca.

Karawaci, Juni 2013

Penulis

ix

DAFTAR ISI

halaman

HALAMAN JUDUL

PERNYATAAN KEASLIAN TUGAS AKHIR

PERSETUJUAN DOSEN PEMBIMBING

PERSETUJUAN TIM PENGUJI TUGAS AKHIR

UNIVERSITAS PELITA HARAPAN ............................................................... iv

ABSTRACT ........................................................................................................... v

ABSTRAK ............................................................................................................ vi

KATA PENGANTAR ......................................................................................... vii

DAFTAR ISI ......................................................................................................... ix

DAFTAR GAMBAR .......................................................................................... xiii

DAFTAR TABEL .............................................................................................. xix

DAFTAR LAMPIRAN ..................................................................................... xxii

BAB I PENDAHULUAN ...................................................................................... 1

1.1 Latar Belakang ............................................................................................ 1

1.2 Perumusan Masalah ..................................................................................... 2

1.3 Pembatasan Masalah ................................................................................... 3

1.4 Tujuan Penelitian ......................................................................................... 6

1.5 Metodologi Penelitian ................................................................................. 7

x

1.5.1 Metode Pengumpulan Data ............................................................... 7

1.5.2 Metodologi Pengembangan Sistem ................................................... 8

1.6 Sistematika Penulisan .................................................................................. 9

BAB II LANDASAN TEORI ............................................................................. 11

2.1 System Development Life Cycle (SDLC) .................................................. 11

2.1.1 Perencanaan (Planning) .................................................................. 11

2.1.2 Analisis (Analysis) .......................................................................... 12

2.1.3 Perancangan (Design) ..................................................................... 12

2.1.4 Implementasi (Implementation) ...................................................... 12

2.1.5 Rapid Application Development (RAD) ......................................... 13

2.1.6 Prototyping ...................................................................................... 14

2.2 Unified Modeling Language 2.0 (UML 2.0) ............................................. 15

2.2.1 Pemodelan Fungsional .................................................................... 16

2.2.2 Pemodelan Struktural ...................................................................... 20

2.2.3 Pemodelan Perilaku ......................................................................... 21

2.3 Pengertian Aplikasi dan Pengembangan Aplikasi Web ............................ 22

2.4 Teknologi Pemrograman Web ................................................................... 23

2.5 Prinsip-prinsip Perancangan Lapisan Antar-muka .................................... 23

2.6 Database Management System (DBMS) ................................................... 25

2.7 Pengujian Aplikasi .................................................................................... 26

xi

2.7.1 Scenario Testing .............................................................................. 27

2.7.2 Functional Testing .......................................................................... 27

2.8 Konversi .................................................................................................... 28

2.9 Enkripsi ..................................................................................................... 30

2.10 IT Asset Management (ITAM) .................................................................. 31

2.11 Vendor Selection Problem ......................................................................... 34

2.12 Fuzzy Logic ............................................................................................... 36

BAB III SISTEM SAAT INI .............................................................................. 41

3.1 Profil Perusahaan ....................................................................................... 41

3.2 Jasa yang Ditawarkan ................................................................................ 42

3.3 Struktur Organisasi .................................................................................... 43

3.4 Analisis Sistem Saat Ini ............................................................................. 43

3.4.1 Kendala Sistem Saat Ini .................................................................. 44

3.4.2 Alur Kerja Sistem Saat Ini .............................................................. 45

BAB IV ANALISIS DAN PERANCANGAN SISTEM ................................... 53

4.1 Analisis Kelayakan Sistem ........................................................................ 53

4.2 Tahap Analisis ........................................................................................... 56

4.2.1 User Requirements .......................................................................... 56

4.2.2 Use Case Diagram .......................................................................... 65

4.2.3 Activity Diagram ............................................................................. 66

xii

4.2.4 Class Diagram .............................................................................. 108

4.2.5 Behavioral State Machine ............................................................. 109

4.3 Tahap Perancangan ................................................................................. 116

4.3.1 Perancangan Lapisan Manajemen Data ........................................ 116

4.3.2 Perancangan Fuzzy Expert System ................................................ 129

4.3.3 Perancangan Lapisan Antarmuka (Interface Design) ................... 149

BAB V IMPLEMENTASI SISTEM ............................................................... 192

5.1 Pengujian Aplikasi .................................................................................. 192

5.2 Rencana Konversi ................................................................................... 198

BAB VI KESIMPULAN DAN SARAN.......................................................... 200

6.1 Kesimpulan .............................................................................................. 200

6.2 Saran ........................................................................................................ 201

DAFTAR PUSTAKA ........................................................................................ 202

LAMPIRAN

xiii

DAFTAR GAMBAR

halaman

Gambar 2.1 Lingkungan Rapid Application Development (RAD) ....................... 13

Gambar 2.2 Metodologi Berbasis Prototyping ..................................................... 15

Gambar 2.3 Ilustrasi Arsitektur Client-Server ...................................................... 22

Gambar 2.4 Kurva Segitiga ................................................................................... 37

Gambar 2.5 Kurva Trapesium ............................................................................... 38

Gambar 2.6 Inferensi dengan Menggunakan Metode Tsukamoto ........................ 40

Gambar 3.1 Struktur Organisasi PT. Bank Bisnis Internasional ........................... 43

Gambar 3.2 Activity Diagram Alur Kerja Sistem IT Asset Management Saat Ini 46

Gambar 3.3 Activity Diagram Proses Pengajuan Pembelian Aset TI ................... 47

Gambar 3.4 Activity Diagram Proses Penerimaan dan Penempatan Aset TI ....... 49

Gambar 3.5 Activity Diagram Proses Penghapusan Aset TI ................................ 51

Gambar 4.1 Use Case Diagram Aplikasi IT Asset Management PT. Bank Bisnis

Internasional .......................................................................................................... 65

Gambar 4.2 Activity Diagram Proses Create New Account .................................. 66

Gambar 4.3 Activity Diagram Proses Manage User Account ............................... 68

Gambar 4.4 Activity Diagram Proses Manage Profile ......................................... 69

Gambar 4.5 Activity Diagram Proses Recover Password ..................................... 71

Gambar 4.6 Activity Diagram Proses Log IT Budget Proposal ............................ 72

Gambar 4.7 Activity Diagram Proses Manage IT Budget ..................................... 73

Gambar 4.8 Activity Diagram Proses Permohonan Log Hardware Request ........ 74

Gambar 4.9 Activity Diagram Proses Review Hardware Request ........................ 75

xiv

Gambar 4.10 Activity Diagram Proses Log Purchase Request ............................. 76

Gambar 4.11 Activity Diagram Proses Review Purchase Request ....................... 78

Gambar 4.12 Activity Diagram Proses Create Purchase Order ........................... 79

Gambar 4.13 Activity Diagram Proses Receive Asset ........................................... 81

Gambar 4.14 Activity Diagram Proses Manage Invoice ....................................... 82

Gambar 4.15 Activity Diagram Proses Manage Payment ..................................... 84

Gambar 4.16 Activity Diagram Proses Acquire Asset ........................................... 85

Gambar 4.17 Activity Diagram Proses Log Deployment Request......................... 88

Gambar 4.18 Activity Diagram Proses Deploy Asset ............................................ 90

Gambar 4.19 Activity Diagram Proses Log Movement Request ........................... 92

Gambar 4.20 Activity Diagram Proses Review Movement Request ...................... 94

Gambar 4.21 Activity Diagram Proses Move Asset .............................................. 95

Gambar 4.22 Activity Diagram Proses Log Retirement Request .......................... 97

Gambar 4.23 Activity Diagram Proses Review Retirement Request ..................... 98

Gambar 4.24 Activity Diagram Proses Retire Asset ............................................. 99

Gambar 4.25 Activity Diagram Proses Manage Vendor ..................................... 101

Gambar 4.26 Activity Diagram Proses Manage Location .................................. 102

Gambar 4.27 Activity Diagram Proses Manage Department ............................. 104

Gambar 4.28 Activity Diagram Proses Manage Position ................................... 105

Gambar 4.29 Activity Diagram Proses Produce Report ..................................... 106

Gambar 4.30 Class Diagram Aplikasi IT Asset Management ............................ 108

Gambar 4.31 Behavioral State Machine untuk Hardware Request .................... 109

Gambar 4.32 Behavioral State Machine untuk Purchase Request ..................... 110

xv

Gambar 4.33 Behavioral State Machine untuk Purchase Order ........................ 111

Gambar 4.34 Behavioral State Machine untuk Movement Request .................... 112

Gambar 4.35 Behavioral State Machine untuk Deployment Request ................. 113

Gambar 4.36 Behavioral State Machine untuk Retirement Request ................... 114

Gambar 4.37 Behavioral State Machine untuk Asset.......................................... 115

Gambar 4.38 Behavioral State Machine untuk IT Budget Proposal .................. 116

Gambar 4.39 Table Relationship Diagram ......................................................... 117

Gambar 4.40 Himpunan fuzzy dari variabel Price .............................................. 132

Gambar 4.41 Himpunan fuzzy dari variabel Delivery Delay............................... 133

Gambar 4.42 Himpunan fuzzy dari variabel Vendor Selection Decision ............ 135

Gambar 4.43 Halaman Register New Account .................................................... 150

Gambar 4.44 Error Message untuk Register New Account ................................ 151

Gambar 4.45 Account Details untuk Register New Account............................... 151

Gambar 4.46 Halaman Login .............................................................................. 152

Gambar 4.47 Error Message untuk Login .......................................................... 152

Gambar 4.48 Halaman untuk Recover Password ............................................... 153

Gambar 4.49 Halaman Start Center .................................................................... 154

Gambar 4.50 Halaman Manage Profile tab Profile ............................................ 155

Gambar 4.51 Halaman Manage Profile tab Password ....................................... 155

Gambar 4.52 Halaman Hardware Request ......................................................... 155

Gambar 4.53 Halaman New Hardware Request ................................................. 156

Gambar 4.54 Popup window Add Hardware Request Item 1 ............................. 157

Gambar 4.55 Popup window Add Hardware Request Item 2 ............................. 158

xvi

Gambar 4.56 Item yang ditambahkan pada form New Hardware Request ......... 158

Gambar 4.57 Kotak dialog konfirmasi penghapusan Hardware Request Item ... 158

Gambar 4.58 Error Message pada form New Hardware Request ...................... 159

Gambar 4.59 Halaman View Hardware Request ................................................ 159

Gambar 4.60 Kotak dialog Cancel Confirmation ............................................... 160

Gambar 4.61 Halaman Manage Hardware Request ........................................... 160

Gambar 4.62 Halaman Edit Status Hardware Request ....................................... 161

Gambar 4.63 Halaman Purchase Request ........................................................... 162

Gambar 4.64 Halaman New Purchase Request................................................... 162

Gambar 4.65 Popup window Add Purchase Request Item .................................. 163

Gambar 4.66 Form New Purchase Request yang sudah terisi ............................ 163

Gambar 4.67 Kotak dialog konfirmasi penghapusan Purchase Request Item .... 164

Gambar 4.68 Halaman View Purchase Request untuk IT Asset Manager .......... 164

Gambar 4.69 Kotak dialog Cancel Confirmation ............................................... 165

Gambar 4.70 Halaman Edit Purchase Request Status ........................................ 165

Gambar 4.71 Halaman Purchase Order.............................................................. 166

Gambar 4.72 Halaman New Purchase Order ..................................................... 167

Gambar 4.73 Popup window New Vendor .......................................................... 168

Gambar 4.74 Popup window New Model ............................................................ 168

Gambar 4.75 Bagian Product Details ................................................................. 169

Gambar 4.76 Tab Purchase Request List ............................................................ 169

Gambar 4.77 Tab Recommended Vendors .......................................................... 170

Gambar 4.78 Halaman View Purchase Order..................................................... 171

xvii

Gambar 4.79 Kolom input Quantity Received .................................................... 172

Gambar 4.80 Kotak dialog Add Invoice .............................................................. 172

Gambar 4.81 Tab Invoice and Payment .............................................................. 173

;Gambar 4.82 Halaman Asset Acquisition 2 ........................................................ 173

Gambar 4.83 Halaman Asset Acquisition 2 bagian Asset Details ....................... 174

Gambar 4.84 Halaman Asset Acquisition 2 bagian Purchase Request Item ....... 174

Gambar 4.85 Halaman Current IT Budget 1 ....................................................... 175

Gambar 4.86 Halaman Current IT Budget 2 ....................................................... 176

Gambar 4.87 Halaman IT Budget Proposal ........................................................ 176

Gambar 4.88 Halaman New IT Budget Proposal ................................................ 177

Gambar 4.89 Halaman View IT Budget Proposal ............................................... 178

Gambar 4.90 Halaman Movement Request ......................................................... 179

Gambar 4.91 Popup window Select Item ............................................................ 180

Gambar 4.92 Halaman New Movement Request ................................................. 180

Gambar 4.93 Halaman View Movement Request 1 ............................................. 181

Gambar 4.94 Halaman View Movement Request 2 ............................................. 181

Gambar 4.95 Halaman New Deployment Request .............................................. 182

Gambar 4.96 Popup window Select Item ............................................................ 183

Gambar 4.97 Halaman View Deployment Request ............................................. 183

Gambar 4.98 Halaman Retirement Request ........................................................ 184

Gambar 4.99 Popup window Select Retirement Item .......................................... 185

Gambar 4.100 Aset yang telah ditambahkan ke form New Retirement Request . 185

Gambar 4.101 Halaman View Retirement Request 1 .......................................... 186

xviii

Gambar 4.102 Halaman View Retirement Request 2 .......................................... 187

Gambar 4.103 Halaman Asset Category ............................................................. 188

Gambar 4.104 Form New Asset Category........................................................... 188

Gambar 4.105 Halaman Asset Model .................................................................. 189

Gambar 4.106 Form New Asset Model ............................................................... 189

Gambar 4.107 Halaman Asset ............................................................................. 190

Gambar 4.108 Form New Asset .......................................................................... 190

Gambar 4.109 Halaman Vendor Score Report .................................................... 191

Gambar 4.110 Halaman Score Settings ............................................................... 191

xix

DAFTAR TABEL

halaman

Tabel 2.1 Elemen-elemen Activity Diagram ......................................................... 17

Tabel 2.2 Elemen-elemen Use Case Diagram ...................................................... 19

Tabel 2.3 Elemen-elemen Class Diagram ............................................................ 20

Tabel 2.4 Elemen-elemen Behavioral State Machine ........................................... 21

Tabel 4.1 Daftar Hardware dan Software yang Dibutuhkan untuk Sistem Usulan

............................................................................................................................... 55

Tabel 4.2 Daftar Hardware dan Software pada Desktop PC yang Dimiliki

Perusahaan............................................................................................................. 55

Tabel 4.3 Daftar Hardware dan Software pada Server yang Dimiliki Perusahaan

............................................................................................................................... 55

Tabel 4.4 Logical Description dari Tabel Account ............................................. 118

Tabel 4.5 Logical Description dari Tabel Employee .......................................... 118

Tabel 4.6 Logical Description dari Tabel Group ................................................ 119

Tabel 4.7 Logical Description dari Tabel Access Level ...................................... 119

Tabel 4.8 Logical Description dari Tabel Department ....................................... 119

Tabel 4.9 Logical Description dari Tabel DeptLoc ............................................ 119

Tabel 4.10 Logical Description dari Position ..................................................... 120

Tabel 4.11 Logical Description dari Tabel Vendor ............................................ 120

Tabel 4.12 Logical Description dari Tabel Location .......................................... 120

Tabel 4.13 Logical Description dari Tabel Hardware Request .......................... 121

Tabel 4.14 Logical Description dari Tabel Hardware Request Item .................. 121

xx

Tabel 4.15 Logical Description dari Tabel Purchase Request ........................... 122

Tabel 4.16 Logical Description dari Tabel Purchase Request Item ................... 122

Tabel 4.17 Logical Description dari Tabel Purchase Order .............................. 122

Tabel 4.18 Logical Description dari Tabel Purchase Order Item ...................... 123

Tabel 4.19 Logical Description dari Tabel Invoice ............................................ 123

Tabel 4.20 Logical Description dari Tabel Payment .......................................... 124

Tabel 4.21 Logical Description dari Tabel Asset Category ................................ 124

Tabel 4.22 Logical Description dari Tabel Asset Model..................................... 124

Tabel 4.23 Logical Description dari Tabel Asset ................................................ 125

Tabel 4.24 Logical Description dari Tabel Retirement Request ......................... 125

Tabel 4.25 Logical Description dari Tabel Retirement Request Item ................. 126

Tabel 4.26 Logical Description dari Tabel Movement Request .......................... 126

Tabel 4.27 Logical Description dari Tabel Movement Request .......................... 127

Tabel 4.28 Logical Description dari Tabel IT Budget ........................................ 127

Tabel 4.29 Logical Description dari Tabel IT Budget Monthly Allocation ........ 127

Tabel 4.30 Logical Description dari Tabel Fuzzy ............................................... 128

Tabel 4.31 Logical Description dari Tabel Vendor Score .................................. 128

Tabel 4.32 Rentang nilai variabel fuzzy .............................................................. 130

Tabel 4.33 Nilai variabel-variabel dalam simulasi .............................................. 148

Tabel 4.34 Hasil simulasi fuzzy expert system .................................................... 149

Tabel 5.1 Tabel Pengujian Log New Hardware Request .................................... 193

Tabel 5.2 Tabel Pengujian Edit Hardware Request ............................................ 194

Tabel 5.3 Tabel Pengujian Cancel Hardware Request ....................................... 194

xxi

Tabel 5.4 Tabel Pengujian Log New Purchase Request ..................................... 195

Tabel 5.5 Tabel Pengujian Edit Purchase Request ............................................. 196

Tabel 5.6 Tabel Pengujian Cancel Purchase Request ........................................ 197

xxii

DAFTAR LAMPIRAN

halaman

LAMPIRAN A HASIL WAWANCARA ............................................................ 1

LAMPIRAN B USE CASE DESCRIPTION ...................................................... 1

LAMPIRAN C TESTING .................................................................................... 1

LAMPIRAN D DOKUMEN SAAT INI ............................................................. 1

LAMPIRAN E SIMULASI FUZZY LOGIC ...................................................... 1