Project 1 (Mini Project on Vehicle Direction Detection
Aim:
- Developing MATLAB Simulink model as per requirement.
- Tagging the requirements to the simulink model; tagging requirement 1 & requirement 2 to their corresponding subsystems.
- MBD compliant changes, Data Dictionary creation & code generation.
- 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.
- Chosing sample time for all signals as 0.01s.
Procedure:
- Creating two subsystems as per the given instructions in requirement document.
- Attaching the requirement document.
- Creating a Simulink data dictionary (SLDD).
- Generating a model advisor report (With necessary tests selected).
- Generation of code.
Requirement - 1:
- 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.
- Using 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).
Requirement – 2:
- Keeping 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).