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Figure 4.2. Sequence Diagram Button Pressed Page 14
4.2 Sequence Diagram: Increase decrease – CCS (SDID-CCS) S8: if acc is active and there is an object in front of the car, if the distance is more than 50 m and the currentspeed is less than desiredspeed then the acc will increase the current speed, if the current distance is between 45 m and 50 m, the acc will give command for the acumulator to do nothing, if the current less then 45 m then the acc will calculate the brake power to brake the car. If the current distance is 65535 then acc is deactivated. sd Increase and Decrease loop ACC ACC Speed CAN Bus Controller Sensor Actuator Engine ABS Brake Multidisplay ACTIVE_ACC ref alt Active distanceUpdate [ currentDistance > 5000 And currentSpeed < desiredSpeed ] sendSignal(105,currentSpeed+1) [ currentDistance < 5000 ] alt getCurrentSpeed() currentSpeed {current speed = current speed} [ currentDistance > 4500 ] [ currentDistance < 4500 ] calculateBrakePower() [ currentDistance = 65535 ] sendSignal(601,"OFF",0) Deactive CAN_BUS_CONTROLLED _BY_ACC sendSignal(105,currentSpeed-1) brake(brakePower) ACTUATOR_CONTR OLED_BY_ACC increaseRPM() noPower() ACTUATOR_NOT_CON TROLED_BY_ACC sendSignal(601,"OFF",0) ABS_CONTROLLED_ BY_ACC brake() ABS_NOT_CONTROL ED_BY_ACC Figure 4.3 Sequence Diagram Increase Decrease Speed – Cruise Control System 4.3 Sequence Diagram: Manual Control and Overridden ACC Page 15
Page 1 and 2: Informal Task of the System Faculty
Page 3 and 4: F3: All actions of the Driver are s
Page 5 and 6: 2.1 System Mission Phase 2 SM1: The
Page 7 and 8: R11: If there are any buttonSignal
Page 9 and 10: Driver readMessageforBrake buttonSi
Page 11 and 12: a. IDC - ACC!{sendDistanceSignal}s
Page 13: Phase 4 4.1 Sequence Diagram: Butto
Page 17 and 18: • All requirements assigned to th
Page 19 and 20: 5.6 Sub problem Relationships: The
Page 21 and 22: 6.3 Interface behavior for Incoming
Page 23 and 24: 7.1 ACC System Architecture 7.1 ACC
Page 25 and 26: 7.3.2 Overridden Control Architectu
Page 27 and 28: Phase 8 8.1 ACC Control System Arch
Page 29 and 30: 8.5 CAN Bus_BrakePedal 8.6 CAN Bus_
Page 31 and 32: sd Overriden ACC Application alt 8.
Page 33 and 34: ACC_ButtonPress [desiredSpeed < 120
Page 35 and 36: ABS IAL ABS_NOT_CONTROLLED_BY_ACC c
Page 37 and 38: PHASE 10 10.1 Application component
Page 39 and 40: This component implements component
Page 41 and 42: • sending value PLUS,MINUS and SE
Page 43: Current Distance = 300 m ACC : ACTI

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