Beispiel #1
0
        public void SetPower(double value, IComponent component, double sourceVoltage)
        {
            bool isLed = true;

            if (component == this)
            {
                throw new InvalidOperationException("component cannot be itself");
            }

            try { LED led = (LED)component; }
            catch (InvalidCastException e) { isLed = false; }

            if (isLed)//is a led
            {
                throw new NotImplementedException();
            }
            else //is a resistor
            {
                Resistor res = (Resistor)component;
                power = value;

                if (!Double.IsNaN(voltage)) //we have power and voltage
                {
                    resistance = (voltage * voltage) / power;

                    current = Math.Sqrt(power / resistance);
                    res.SetCurrent(current, this, sourceVoltage);
                }
                else if (!Double.IsNaN(current))//we have power and current
                {
                    resistance = power / (current * current);

                    voltage = current * resistance;
                    if (!Double.IsNaN(sourceVoltage))
                    {
                        res.SetVoltage(sourceVoltage - voltage, this, sourceVoltage);
                    }
                }
                else if (!Double.IsNaN(resistance))//we have power and resistance
                {
                    current = Math.Sqrt(power / resistance);
                    res.SetCurrent(current, this, sourceVoltage);

                    voltage = current * resistance;
                    if (!Double.IsNaN(sourceVoltage))
                    {
                        res.SetVoltage(sourceVoltage - voltage, this, sourceVoltage);
                    }
                }
                else
                {
                    //Console.WriteLine("One more value required");
                }
            }
        }
Beispiel #2
0
        public void SetCurrent(double value, IComponent component, double sourceVoltage = Double.NaN)
        {
            Resistor res = (Resistor)component;

            current = value;

            if (!Double.IsNaN(voltage) && !Double.IsNaN(voltageDrop)) //we have all necessary values
            {
                res.SetVoltage(voltage - voltageDrop);
                res.SetCurrent(current);
            }
        }
Beispiel #3
0
        public void SetValue(double value, IComponent component, double sourceVoltage = Double.NaN)
        {
            Resistor res = (Resistor)component;

            if (!Double.IsNaN(voltage)) //ensure voltage drop is lower than source voltage
            {
                if (value >= voltage)
                {
                    Console.WriteLine("Voltage Drop cannot be greater than source voltage");
                    throw new InvalidOperationException("Voltage of source cannot be less than voltage drop");
                }
            }
            voltageDrop = value;
            if (!Double.IsNaN(current) && !Double.IsNaN(voltage)) //we have all necessary values
            {
                res.SetCurrent(current);
                res.SetVoltage(voltage - voltageDrop);
            }
        }
Beispiel #4
0
        static void Main(string[] args)
        {
            for (; ;)
            {
                Console.WriteLine("Choose an option:");
                Console.WriteLine("1 - Ohm's Law");
                Console.WriteLine("2 - Voltage Divider Rule");
                Console.WriteLine("3 - LED limiting resistor");
                Console.WriteLine("4 - Exit Application");

                string userInput = Console.ReadLine();

                if (userInput == "1") //Ohms Law
                {
                    Resistor OhmsLaw = new Resistor();
                    while (OhmsLaw.ValuesSet() == false)   //keep going forever until 2 values have been sent to the resistor
                    {
                        if (Double.IsNaN(OhmsLaw.Voltage)) //ask for voltage if the voltage doesnt already exist
                        {
                            Console.Write("Enter Voltage --> ");
                            try { OhmsLaw.SetVoltage(Double.Parse(Console.ReadLine())); }
                            catch (Exception e) { }
                        }
                        if (Double.IsNaN(OhmsLaw.Current))
                        {
                            Console.Write("Enter Current --> ");
                            try { OhmsLaw.SetCurrent(Double.Parse(Console.ReadLine())); }
                            catch (Exception e) { }
                        }
                        if (Double.IsNaN(OhmsLaw.Value))
                        {
                            Console.Write("Enter Resistance --> ");
                            try { OhmsLaw.SetValue(Double.Parse(Console.ReadLine())); }
                            catch (Exception e) { }
                        }
                        if (Double.IsNaN(OhmsLaw.Power))
                        {
                            Console.Write("Enter Power --> ");
                            try { OhmsLaw.SetPower(Double.Parse(Console.ReadLine())); }
                            catch (Exception e) { }
                        }
                    }
                    PrintComponent(OhmsLaw);
                }
                else if (userInput == "2")//Voltage Divider Rule
                {
                    Resistor resistor1 = new Resistor();
                    Resistor resistor2 = new Resistor();

                    double sourceVoltage = Double.NaN;
                    while (resistor1.ValuesSet() == false || resistor2.ValuesSet() == false) //keep going forever until 3 values have been sent
                    {
                        if (Double.IsNaN(sourceVoltage))
                        {
                            try
                            {
                                double input;

                                if (!Double.IsNaN(resistor1.Voltage) && !Double.IsNaN(resistor2.Voltage)) //if we have the voltage of both resistors, calculate the source voltage
                                {
                                    sourceVoltage = resistor1.Voltage + resistor2.Voltage;                //E = Vr1 + Vr2
                                }
                                else
                                {
                                    Console.Write("Enter Source Voltage --> ");
                                    input = Double.Parse(Console.ReadLine());

                                    if (!Double.IsNaN(resistor1.Voltage) && Double.IsNaN(resistor2.Voltage)) //if we have voltage of R1, but not R2
                                    {
                                        if (input <= resistor1.Voltage)                                      //make sure source voltage is greater than resistors voltage
                                        {
                                            Console.WriteLine("Voltage of source cannot be less than resistor voltage");
                                            throw new InvalidOperationException("Voltage of source cannot be less than resistor voltage");
                                        }
                                        resistor2.SetVoltage(input - resistor1.Voltage, resistor1, sourceVoltage); //Vr2 = E - Vr1
                                    }
                                    else if (Double.IsNaN(resistor1.Voltage) && !Double.IsNaN(resistor2.Voltage))  //if we have voltage of R2, but not R1
                                    {
                                        if (input <= resistor2.Voltage)                                            //make sure source voltage is greater than resistors voltage
                                        {
                                            Console.WriteLine("Voltage of source cannot be less than resistor voltage");
                                            throw new InvalidOperationException("Voltage of source cannot be less than resistor voltage");
                                        }
                                        resistor1.SetVoltage(input - resistor2.Voltage, resistor2, sourceVoltage);//Vr1 = E - Vr2
                                    }
                                    else
                                    {
                                        sourceVoltage = input;
                                    }
                                }
                            }
                            catch (Exception e) { }
                        }

                        if (Double.IsNaN(resistor1.Voltage))
                        {
                            Console.Write("Enter Voltage (R1) --> ");
                            try {
                                double input = Double.Parse(Console.ReadLine());

                                if (!Double.IsNaN(sourceVoltage))
                                {
                                    if (input >= sourceVoltage) //make sure resistors voltage is less than source voltage
                                    {
                                        Console.WriteLine("Voltage of resistor cannot be greater than Source Voltage");
                                        throw new InvalidOperationException("Voltage of resistor cannot be greater than Source Voltage");
                                    }
                                    resistor2.SetVoltage(sourceVoltage - input, resistor1, sourceVoltage);//Vr2 = E - Vr1
                                }
                                resistor1.SetVoltage(input, resistor2, sourceVoltage);
                            }
                            catch (Exception e) { }
                        }
                        if (Double.IsNaN(resistor1.Current) && Double.IsNaN(resistor2.Current))
                        {
                            Console.Write("Enter Current of Circuit --> ");
                            try {
                                double input = Double.Parse(Console.ReadLine());

                                resistor1.SetCurrent(input, resistor2, sourceVoltage);//current is same in series, therefore we set both together
                                resistor2.SetCurrent(input, resistor1, sourceVoltage);
                            }
                            catch (Exception e) {  }
                        }
                        if (Double.IsNaN(resistor1.Value))
                        {
                            Console.Write("Enter Resistance (R1) --> ");
                            try
                            {
                                double input = Double.Parse(Console.ReadLine());

                                resistor1.SetValue(input, resistor2, sourceVoltage);

                                //if we need the voltage of r1, and currently have the source V aswell as R2, we can use voltage divider rule
                                if (Double.IsNaN(resistor1.Voltage) && !Double.IsNaN(sourceVoltage) && !Double.IsNaN(resistor2.Value))
                                {
                                    resistor1.SetVoltage(sourceVoltage * (resistor1.Value / (resistor1.Value + resistor2.Value)), resistor2, sourceVoltage);
                                    //Vr1 = E * (r1/r1+r2)
                                }
                            }
                            catch (Exception e) { }
                        }
                        if (Double.IsNaN(resistor1.Power))
                        {
                            Console.Write("Enter Power (R1) --> ");
                            try { resistor1.SetPower(Double.Parse(Console.ReadLine()), resistor2, sourceVoltage); }
                            catch (Exception e) { }
                        }
                        if (Double.IsNaN(resistor2.Voltage))
                        {
                            Console.Write("Enter Voltage (R2) --> ");
                            try
                            {
                                double input = Double.Parse(Console.ReadLine());

                                if (!Double.IsNaN(sourceVoltage))
                                {
                                    if (input >= sourceVoltage)//make sure resistors voltage is less than source voltage
                                    {
                                        throw new InvalidOperationException("Voltage of resistor cannot be greater than Source Voltage");
                                    }
                                    resistor1.SetVoltage(sourceVoltage - input, resistor2, sourceVoltage);
                                }
                                resistor2.SetVoltage(input, resistor1, sourceVoltage);
                            }
                            catch (Exception e) { }
                        }
                        if (Double.IsNaN(resistor2.Value))
                        {
                            Console.Write("Enter Resistance (R2) --> ");
                            try
                            {
                                double input = Double.Parse(Console.ReadLine());

                                resistor2.SetValue(input, resistor1, sourceVoltage);

                                //if we need the voltage of r2, and currently have the source V aswell as R1, we can use voltage divider rule
                                if (Double.IsNaN(resistor2.Voltage) && !Double.IsNaN(sourceVoltage) && !Double.IsNaN(resistor1.Value))
                                {
                                    resistor2.SetVoltage(sourceVoltage * (resistor2.Value / (resistor2.Value + resistor1.Value)), resistor1, sourceVoltage);
                                    //Vr2 = E * (r2/r1+r2)
                                }
                            }
                            catch (Exception e) { }
                        }
                        if (Double.IsNaN(resistor2.Power))
                        {
                            Console.Write("Enter Power (R2) --> ");
                            try { resistor2.SetPower(Double.Parse(Console.ReadLine()), resistor1, sourceVoltage); }
                            catch (Exception e) { }
                        }
                    }
                    PrintComponent(resistor1);
                    PrintComponent(resistor2);
                }
                else if (userInput == "3") //LED limiting resistor
                {
                    Resistor resistor = new Resistor();
                    LED      led      = new LED();

                    while (led.ValuesSet() == false || resistor.ValuesSet() == false)//keep going forever until all LED values are sent
                    {
                        if (Double.IsNaN(led.Voltage))
                        {
                            Console.Write("Enter Source Voltage --> ");
                            try { led.SetVoltage(Double.Parse(Console.ReadLine()), resistor); }
                            catch (Exception e) { }
                        }
                        if (Double.IsNaN(led.Value))
                        {
                            Console.Write("Enter Voltage Drop --> ");
                            try { led.SetValue(Double.Parse(Console.ReadLine()), resistor); }
                            catch (Exception e) { }
                        }
                        if (Double.IsNaN(led.Current))
                        {
                            Console.Write("Enter Current of Circuit --> ");
                            try { led.SetCurrent(Double.Parse(Console.ReadLine()), resistor); }
                            catch (Exception e) { }
                        }
                    }
                    PrintComponent(resistor);
                    PrintComponent(led);
                }
                else if (userInput == "4")
                {
                    Environment.Exit(0);
                }
                Console.ReadLine();
            }
        }