BAB IV HASIL DAN ANALISIS
4.6 Pengujian Quality of Service Pada Sistem
Pada tugas akhir kali ini, penulis menggunakan dua parameter, yaitu delay dan Throughput.
4.6.1 Pengujian Delay
Pengujian delay dilakukan dengan cara mengukur lama waktu tempuh yang dibutuhkan saat pengiriman data dari alat ke API dan sebaliknya dengan lama waktu tempuh yang dibutuhkan saat pembacaan data API ke alat.
Pengukuran delay dilakukan dengan menggunakan 60 sampel yang dilakukan sebanyak 6 sesi, dimana 1 sesi terdapat 10 sampel pengujian. Berikut merupakan grafik hasil pengukuran delay yang telah dilakukan:
Gambar 4.4 Delay Alat ke API
Gambar 4.5 Delay API ke Alat
Gambar 4.4 merupakan hasil pengujian delay alat ke API yang telah dilakukan,dari hasil pengujian tersebut didapatkan rata-rata delay sebesar 0,670s untuk delay terkecil terdapat pada sesi 1 sebesar 0,526s sedangkan delay terbesar terdapat pada sesi 4 sebesar 0,735s. Gambar 4.5 merupakan hasil pengujian delay API ke alat, dari hasil pengujian tersebut didapatkan bahwa rata-rata delay sebesar 0,566s untuk delay terkecil terjadi pada sesi 1 yaitu sebesar 0,537s sedangkan delay terbesar terjadi pada sesi 6 yaitu sebesar 0,568s.
4.6.2 Pengujian Throughput
Pengujian throughput dilakukan pada saat pengiriman dan pembacaan data dari alat ke API dan sebaliknya. Pengukuran throughput dilakukan
0,526 0,586
0,729 0,735 0,731 0,709
0,000 0,100 0,200 0,300 0,400 0,500 0,600 0,700 0,800
1 2 3 4 5 6
Delay (Second)
Sesi ke-
DELAY ALAT - API
0,537
0,551
0,557 0,562 0,561
0,568
0,520 0,530 0,540 0,550 0,560 0,570 0,580
1 2 3 4 5 6
Delay (second)
Sesi ke-
DELAY API - ALAT
dengan menggunakan 60 sampel yang dilakukan sebanyak 6 sesi, dimana 1 sesi terdapat 10 sampel pengujian. Berikut grafik hasil pengukuran throughput yang terdapat pada gambar 4.6 dan gambar 4.7 dibawah.
Gambar 4.6 Throughput Alat ke API
Gambar 4.7 Throughput API ke Alat
Berdasarkan pada hasil pengujian yang telah dilakukan didapatkan hasil rata-rata throughput alat ke API sebesar 26.969bps untuk throughput terkecil terdapat pada sesi 5 sebesar 22.086bps sedangkan yang terbesar terdapat pada sesi 2 sebesar 29.950bps. Sedangkan untuk rata-rata throughput dari API ke alat sebesar 26.535bps, throughput terkecil terdapat pada sesi 3 sebesar 22.212bps dan yang terbesar terdapat pada sesi 1 yaitu sebesar 31.170bps.
23100
29950
27234 29800
22086
29643
0 5000 10000 15000 20000 25000 30000 35000
1 2 3 4 5 6
Throughput (bps)
Sesi ke-
THROUGHPUT ALAT - API
31170
28080
22212 22528
28788
26431
0 5000 10000 15000 20000 25000 30000 35000
1 2 3 4 5 6
Throughput (bps)
Sesi ke-
THROUGHPUT API - ALAT
BAB V
KESIMPULAN DAN SARAN
5.1 Kesimpulan
Dari hasil perancangan sistem, pengujian, dan analisis pada penelitian Tugas Akhir ini, maka penulis mendapatkan beberapa kesimpulan yaitu:
1. Sistem pada prototipe alat pendeteksi indikasi dini kesehatan paru-paru menggunakan metode Analytic Hierarchy Process secara keseluruhan berjalan dengan baik.
2. Cara kerja sistem diawali dengan pengambilan data oleh sensor warna TCS3200, sensor suhu DS18B20 dan sensor piezoelektrik, lalu data dikirimkan ke database Firebase, lalu data diambil dan diolah menggunakan metode analytic hierarchy process pada aplikasi, dan akhirnya hasil keputusan akhir yang telah diolah ditampilkan pada aplikasi.
3. Persentase error masing-masing sensor adalah 0,759% untuk sensor suhu DS18B20, 4.1% untuk sensor warna TCS3200 dan 3,46% untuk sensor piezoelektrik.
4. Nilai concictency rate per parameter dibawah 0,1 atau dibawah 10%, maka sistem hierarki adalah “Konsisten”
5. Rata-rata delay dari alat ke API sebesar 0,670s sedangkan dari API ke alat sebesar 0,566s.
6. Rata-rata throughput dari alat ke API sebesar 26.969bps sedangkan dari API ke alat sebesar 26.535bps.
5.2 Saran
Dari hasil penelitian Tugas Akhir ini, terdapat beberapa saran yang dapat dilakukan kedepannya terkait sistem yang dirancang yaitu:
1. Menambahkan sensor lain agar hasil dari input pada alat lebih akurat.
2. Menambakan parameter kesehatan paru-paru yang lainnya agar hasil keputusan kesehatan paru-paru lebih akurat.
3. Menambahkan feedback langsung atau controlling dari alat atau sistem agar lebih efisien.
4. Mencari metode lain agar hasil keputusan pada sistem lebih efisien dan akurat.
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LAMPIRAN
SOURCE CODE ALAT
#include <Arduino.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#include <FirebaseESP8266.h>
#include <ESP8266WiFi.h>
//
#define CALIB_DONE
// TCS3200
#define S0 13 // D7
#define S1 0 // D3
#define S2 14 // D5
#define S3 12 // D6
#define sensorIn 5 // D1
#define piezoPIN A0 float frequency = 0;
// DS18B20
#define ds_pin 4 // D2
// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
OneWire oneWire(ds_pin);
// Pass our oneWire reference to Dallas Temperature.
DallasTemperature dsb18b20(&oneWire);
float temperature = 0.0;
float red, green, blue = 0.0;
int piezo_signal = 0;
float piezo_voltage = 0.0;
// map value
const int calibration_red_low = 160;
const int calibration_red_high = 700;
const int calibration_blue_low = 175;
const int calibration_blue_high = 700;
const int calibration_green_low = 150;
const int calibration_green_high = 800;
// wifi configuration
#define ssid "TEDDY"
#define password "asu12345"
// firebase configuration
#define FIREBASE_HOST "https://lung-apps-default- rtdb.firebaseio.com/"
#define FIREBASE_AUTH "vBLt8T5uNvYnaYLgSlFgcEUBKiY6QqMnHHNThT2g" //
settings/service account/database secret String node_path = "/device1";
//Define FirebaseESP8266 data object FirebaseData firebase_data;
FirebaseJson json;
float read_color(int s2_value, int s3_value) { digitalWrite(S2, s2_value);
digitalWrite(S3, s3_value);
// Reading the output frequency
//frequency = 10000.0 / pulseIn(sensorIn, LOW);
frequency = pulseIn(sensorIn, LOW);
return frequency;
}
// function to print a device address
void printAddress(DeviceAddress deviceAddress) {
for (uint8_t i = 0; i < 8; i++) {
if (deviceAddress[i] < 16) Serial.print("0");
Serial.print(deviceAddress[i], HEX);
} }
// setup for wifi void setup_wifi() {
// Let us connect to WiFi WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) { delay(500);
Serial.print(".");
}
Serial.println("...");
Serial.println("WiFi Connected....IP Address:");
Serial.println(WiFi.localIP());
}
void setup_ds18b20(){
Serial.println("Dallas Temperature IC Control Library Demo");
// locate devices on the bus
Serial.print("Locating devices...");
dsb18b20.begin();
Serial.print("Found ");
Serial.print(dsb18b20.getDeviceCount(), DEC);
Serial.println(" devices.");
}
// setup firebase void setup_firebase(){
Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
Firebase.reconnectWiFi(true);
//Set database read timeout to 1 minute (max 15 minutes) // Firebase.setReadTimeout(firebaseData, 1000 * 60);
//tiny, small, medium, large and unlimited.
//Size and its write timeout e.g. tiny (1s), small (10s), medium ( 30s) and large (60s).
Firebase.setwriteSizeLimit(firebase_data, "tiny");
}
void read_temperature() {
dsb18b20.requestTemperatures(); // Send the command to get tempera tures
temperature = dsb18b20.getTempCByIndex(0);
if(temperature == DEVICE_DISCONNECTED_C) {
Serial.println("Error: Could not read temperature data");
return;
} }
void read_color(){
red = read_color(0, 0);
green = read_color(1, 1);
blue = read_color(0, 1);
float max = red;
if (green > max) max = green;
if (blue > max) max = blue;
red = round(255.0 * red / max);
green = round(255.0 * green / max);
blue = round(255.0 * blue / max);
}
int green_color = 0;
int blue_color = 0;
int red_color = 0;
void read_color_v2(){
// read color frequency red = read_color(0, 0);
green = read_color(1, 1);
blue = read_color(0, 1);
#ifdef CALIB_DONE
// mapping value between 0 - 255
red_color = map(red, calibration_red_low, calibration_red_high, 255, 0);
blue_color = map(blue, calibration_blue_low, calibration_blue_hi gh, 255, 0);
green_color = map(green, calibration_green_low, calibration_gree n_high, 255, 0 );
// limit highest value to 255
if (red_color > 255) red_color = 255;
if (blue_color > 255) blue_color = 255;
if (green_color > 255) green_color = 255;
// limit lowest value to 0
if (red_color < 0) red_color = 0;
if (blue_color < 0) blue_color = 0;
if (green_color < 0) green_color = 0;
#endif }
void read_piezo(){
piezo_signal = analogRead(piezoPIN);
piezo_voltage = piezo_signal * (3.3 / 1024.0);
}
boolean status_red, status_blue, status_green, status_temperature, s tatus_piezo_voltage, status_piezo_analog;
void send_data_to_firebase(){
// set json for red value
json.clear().set("R", red_color);
status_red = Firebase.updateNode(firebase_data, node_path + "/colo r", json);
// set json for green value
json.clear().set("G", green_color);
status_blue = Firebase.updateNode(firebase_data, node_path + "/col or", json);
// set json for blue value
json.clear().set("B", blue_color);
status_green = Firebase.updateNode(firebase_data, node_path + "/co lor", json);
// set json for temperature
json.clear().set("temperature", temperature);
status_temperature = Firebase.updateNode(firebase_data, node_path, json);
// set json for piezo
json.clear().set("voltage", piezo_voltage);
status_piezo_voltage = Firebase.updateNode(firebase_data, node_pat h + "/spirometer", json);
// set json for piezo analog
json.clear().set("analog", piezo_signal);
status_piezo_analog = Firebase.updateNode(firebase_data, node_path + "/spirometer", json);
if(status_red && status_green && status_blue && status_temperature && status_piezo_analog && status_piezo_voltage){
Serial.println("Update data successfully...");
} else {
Serial.println("Failed " + firebase_data.errorReason());
} }
void setup_tcs(){
pinMode(S0, OUTPUT);
pinMode(S1, OUTPUT);
pinMode(S2, OUTPUT);
pinMode(S3, OUTPUT);
pinMode(sensorIn, INPUT);
// Setting frequency-scaling to 20%
digitalWrite(S0, HIGH);
digitalWrite(S1, LOW);
}
void print_all_sensor(){
// tcs
Serial.print("R : ");
Serial.print(red_color);
Serial.print("\t G : ");
Serial.print(green_color);
Serial.print("\t B : ");
Serial.print(blue_color);
// temperature
Serial.print("\t Temperature (C) : ");
Serial.print(temperature);
// piezo
Serial.print("\t Piezo : ");
Serial.print(piezo_signal);
Serial.print(" - V - ");
Serial.print(piezo_voltage);
// end
Serial.println();
}
void setup() {
Serial.println(" -- Lung Monitoring -- ");
Serial.begin(9600);
setup_tcs();
setup_ds18b20();
setup_wifi();
setup_firebase();
}
void loop() {
read_temperature();
read_color_v2();
read_piezo();
print_all_sensor();
send_data_to_firebase();
delay(100);
}
SOURCE CODE APLIKASI A. Main Activity
package com.example.healthmonitoring;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import android.Manifest;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.Spinner;
import com.ekn.gruzer.gaugelibrary.ArcGauge;
import com.ekn.gruzer.gaugelibrary.HalfGauge;
import com.ekn.gruzer.gaugelibrary.Range;
import com.example.healthmonitoring.monitoring.MonitoringActivity;
import butterknife.BindView;
import butterknife.ButterKnife;
public class MainActivity extends AppCompatActivity {
@BindView(R.id.input_age) EditText inputAge;
@BindView(R.id.input_height) EditText inputHeight;
@BindView(R.id.input_gender) Spinner inputGender;
@Override
protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);
setContentView(R.layout.activity_start);
// butterknife
ButterKnife.bind(this);
// spinner for gender selection ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this,
R.array.gender, android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdo wn_item);
inputGender.setAdapter(adapter);
verifyStoragePermissions(this);
}
public void startDashboard(View view){
String height = inputHeight.getText().toString();
String age = inputAge.getText().toString();
String jenis_kelamin =
inputGender.getSelectedItem().toString();
//call intent
Intent intent = new Intent(this, MonitoringActivity.class);
intent.putExtra("HEIGHT", height);
intent.putExtra("AGE", age);
intent.putExtra("GENDER", jenis_kelamin);
Log.d("INPUT-FORM", "startDashboard: " + height + " - " + age + " - " + jenis_kelamin);
startActivity(intent);
}
// Storage Permissions
private static final int REQUEST_EXTERNAL_STORAGE = 1;
private static String[] PERMISSIONS_STORAGE = { Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE };
/**
* Checks if the app has permission to write to device storage *
* If the app does not has permission then the user will be prompted to grant permissions
*
* @param activity */
public static void verifyStoragePermissions(Activity activity) { // Check if we have write permission
int permission = ActivityCompat.checkSelfPermission(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE);
if (permission != PackageManager.PERMISSION_GRANTED) { // We don't have permission so prompt the user ActivityCompat.requestPermissions(
activity,
PERMISSIONS_STORAGE, REQUEST_EXTERNAL_STORAGE );
} } }
B. Monitoring Activity
package com.example.healthmonitoring.monitoring;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import com.ekn.gruzer.gaugelibrary.ArcGauge;
import com.ekn.gruzer.gaugelibrary.MultiGauge;
import com.ekn.gruzer.gaugelibrary.Range;
import com.example.healthmonitoring.AHP.AHPActivity;
import com.example.healthmonitoring.fuzzy.FuzzyActivity;
import com.example.healthmonitoring.R;
import org.w3c.dom.Text;
import butterknife.BindView;
import butterknife.ButterKnife;
public class MonitoringActivity extends AppCompatActivity implements MonitoringView {
// find element
@BindView(R.id.temperature_gauge) ArcGauge tempGauge;
@BindView(R.id.oksigen_gauge) MultiGauge spiroMeter;
@BindView(R.id.temperature_status) TextView temperatureStatus;
@BindView(R.id.nail_color) ImageView nailColor;
@BindView(R.id.red_value) TextView redValue;
@BindView(R.id.blue_value) TextView blueValue;
@BindView(R.id.green_value) TextView greenValue;
@BindView(R.id.volume_standart) TextView volumeStandart;
@BindView(R.id.analog_spiro) TextView analogSpiro;
@BindView(R.id.voltage_spiro) TextView voltageSpiro;
@BindView(R.id.v_max) TextView vMax;
@BindView(R.id.v_min) TextView vMin;
@BindView(R.id.volume_ukur) TextView volumeUkur;
@BindView(R.id.spiro_decision) TextView spiroDecision;
String ageStr, vitalCapacityStr;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState);
// set main layout name
setContentView(R.layout.activity_main);
// butterknife
ButterKnife.bind(this);
// load gauges loadSpiroMeter();
loadTemperatureGauge();
// invoke MVP monitoring
MonitoringPresenter presenter = new MonitoringPresenter(this);
// get intent
Intent intent = getIntent();
ageStr = intent.getStringExtra("AGE");
String height = intent.getStringExtra("HEIGHT");
String gender = intent.getStringExtra("GENDER");
// set standart estimated VC
presenter.calculate_estimated_vital_capacity(Integer.parseInt(ageStr), Integer.parseInt(height), gender);
// invoke the methods presenter.getTemperature();
presenter.getColor();
presenter.getSpiroMeter();
}
@Override
public void setTemperature(String temperature) {
tempGauge.setValue(Double.parseDouble(temperature)); // set value
}
@Override
public void setColor(String color_R, String color_G, String color_B) {
// set value
spiroMeter.setValue(Double.parseDouble(color_R));
spiroMeter.setSecondValue(Double.parseDouble(color_G));
spiroMeter.setThirdValue(Double.parseDouble(color_B));
}
@Override
public void setTemperatureStatus(String status) { temperatureStatus.setText(status);
}
@Override
public void setNailColor(String color_R, String color_G, String color_B) {
nailColor.setColorFilter(Color.argb(255, Integer.parseInt(color_R), Integer.parseInt(color_G), Integer.parseInt(color_B)));
}
@Override
public void setRValue(String rValue) { redValue.setText(rValue);
}
@Override
public void setGValue(String gValue) { greenValue.setText(gValue);
}
@Override
public void setBValue(String bValue) { blueValue.setText(bValue);
}
@Override
public void setStandartVolume(String value) {
volumeStandart.setText("Estimasi : " + value + " L");
}
@Override
public void setVolumeUkur(String value) { vitalCapacityStr = value;
volumeUkur.setText("Pengukuran : " + value + " L");
}
@Override
public void setAnalogSpiro(String value) { analogSpiro.setText("Analog : " + value);
}
@Override
public void setVoltageSpiro(String value) {
voltageSpiro.setText("Voltage : " + value + " V");
}
@Override
public void setVMax(String value) {
vMax.setText("VMax : " + value + " V");
}
@Override
public void setVMin(String value) {
vMin.setText("VMin : " + value + " V");
}
@Override
public void setDecisionSpiro(String value) { spiroDecision.setText(value);
}
private void loadSpiroMeter(){
// set kadar oksigen spiroMeter.setMinValue(0);
spiroMeter.setMaxValue(255);
// red
Range range1_oksigen = new Range();
range1_oksigen.setColor(Color.parseColor("#ff0000"));
range1_oksigen.setFrom(0);
range1_oksigen.setTo(255);
// green
Range range2_oksigen = new Range();
range2_oksigen.setColor(Color.parseColor("#00ff00"));
range2_oksigen.setFrom(0);
range2_oksigen.setTo(255);
spiroMeter.setDisplayValuePoint(true);
spiroMeter.setUseRangeBGColor(true);
// blue
Range range3_oksigen = new Range();
range3_oksigen.setColor(Color.parseColor("#0000ff"));
range3_oksigen.setFrom(0);
range3_oksigen.setTo(255);
spiroMeter.addRange(range1_oksigen);
spiroMeter.addSecondRange(range2_oksigen);
spiroMeter.addThirdRange(range3_oksigen);
}
private void loadTemperatureGauge(){
// set temperature
tempGauge.setMinValue(20);
tempGauge.setMaxValue(50);
Range range1 = new Range();
range1.setColor(Color.parseColor("#0000ff"));
range1.setFrom(20);
range1.setTo(36.5);
Range range2 = new Range();
range2.setColor(Color.parseColor("#00ff00"));
range2.setFrom(36.5);
range2.setTo(37.2);
Range range3 = new Range();
range3.setColor(Color.parseColor("#ff0000"));
range3.setFrom(37.4);
range3.setTo(50);
tempGauge.addRange(range1);
tempGauge.addRange(range2);
tempGauge.addRange(range3);
}
// run fuzzy activity
public void startFuzzyActivity(View view){
double temperature = tempGauge.getValue();
double red_color = spiroMeter.getValue();
double green_color = spiroMeter.getSecondValue();
double blue_color = spiroMeter.getThirdValue();
//call fuzzy activity intent
Intent intent = new Intent(this, FuzzyActivity.class);
// passing variable
intent.putExtra("TEMPERATURE", temperature);
intent.putExtra("R", red_color);
intent.putExtra("G", green_color);
intent.putExtra("B", blue_color);
// debug
Log.d("FUZZY-VARIABLE", "Temperature : " + temperature);
Log.d("FUZZY-VARIABLE", "R : " + red_color);
Log.d("FUZZY-VARIABLE", "B : " + blue_color);
Log.d("FUZZY-VARIABLE", "G : " + green_color);
// invoke
startActivity(intent);
}
// run ahp activity
public void startAHPActivity(View view){
double temperature = tempGauge.getValue();
double red_color = spiroMeter.getValue();
double green_color = spiroMeter.getSecondValue();
double blue_color = spiroMeter.getThirdValue();
double vitalCapacity = Double.parseDouble(vitalCapacityStr);
double age = Double.parseDouble(ageStr);
Intent intent = new Intent(this, AHPActivity.class);
intent.putExtra("TEMPERATURE", temperature);
intent.putExtra("R", red_color);
intent.putExtra("G", green_color);
intent.putExtra("B", blue_color);
intent.putExtra("VC", vitalCapacity);
intent.putExtra("AGE", age);
startActivity(intent);
}
}
C. Monitoring Presenter
package com.example.healthmonitoring.monitoring;
import android.util.Log;
import androidx.annotation.NonNull;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import java.text.DecimalFormat;
public class MonitoringPresenter { private MonitoringView view;
// format
private static DecimalFormat df2 = new DecimalFormat("#.##");
//
String good_result = "Paru-paru anda sehat!";
String bad_result = "Paru-paru anda tidak sehat";
// firebase configuration
private DatabaseReference mDatabaseRef;
private ValueEventListener mDBListener;
private String node = "device1"; // node name in firebase private String childColor = "color"; // child name
private String childSpiro = "spirometer";
private String temperature;
private String colorR, colorG, colorB;
private String analogSpiro, voltageSpiro;
private double currentTemperature = 0;
private double prevTemperature = 0;
private double vital_capacity = 0;
private double minVoltage = 999;