Project 1 (Mini Project on Vehicle Direction Detection

Answer

Aim:

1. Development of MATLAB Simulink model as per requirement.
2. Tag the requirements to the Simulink model; tagging requirement 1 & requirement 2 to their corresponding subsystems is fine.
3. MBD compliant changes, Data Dictionary creation & code generation is added advantage, and that is not scope of this project.
4. If choosing code generation, Storage class for Input signals: ImportedExtern; Storage class for Output signal: Export to File; Storage class for local signals: localizable; Storage class for calibration signals: Const.
5. Choose sample time for all signals as 0.01s

Procedure:

1. Creating two subsystems as per the given instructions in requirement document.
2. Attaching the requirement document.
3. Creating a Simulink data dictionary (SLDD).
4. Generating a model advisor report (With necessary tests selected).
5. Generation of code.

Creating the SLDD

Simulink Model

Creation of Subsystem for Requirment1 and Requirement2

Requirment1:-

• Steering wheel input as yaw rate (Signal name: SteeringWheel_YawDegreeInput) is the input for this system.
• This is compared against 3 angular values, one each for left turn, right turn & straight drive (Calibration Values: Right_Turn_AngularLimit, Left_Turn_AngularLimit, Straight_Drive_Steering_Angle) to say which specific direction the steering wheel is turning towards.
• Use switch blocks to compare & develop this requirement. Keep this requirement in a subsystem & output of this requirement is a local signal (Signal Name: Vehicle_Turn_Status).

Requirment2:-

• Keep this requirement as a separate subsystem. Inputs to this requirement are local signal from requirement 1 (Signal Name: Vehicle_Turn_Status) & an input signal from camera (Signal Name: CameraInput_RoadSign), which confirms the occurrence of a road sign.
• Signal Vehicle_Turn_Status is compared against calibration values (Calibration Values: RightTurn_RoadSign, LeftTurn_RoadSign, Straight_RoadSign), if each of them is found equal, then each of the three corresponding output is compared against the camera input signal,
• Using a logical operator block, only one among them is finally given as output signal (Signal Name: Vehicle_Direction_Indicator).

Results:

• The signs are in the way that Right, Left and Straight respectively.
• As the output is boolean, If we get the output as (0,0,1), Then the vehicle is moving in the straight drive.
• If the output as (1,0,0), Then the vehicle is taking in the Right turn.
• If the output is (1,0,1), Then the vehicle is taking the Left turn.