Logic Gates Circuits used in a Theme Park

In this set of challenges, you will design and test some logic gates circuits to control different automated systems used to control the following rides of a Theme park:

  • Ferris Wheel
  • Drop Tower
  • Roller Coaster
Ferris WheelDrop TowerRoller Coaster

Ferris Wheel

A Ferris Wheel automated control system controls whether the wheel should be spinning or should be stopped.

The automated system is based on the following inputs:

  • A main switch is controlled by the main operator to decide if the wheel is in operating (spinning) or not.
    • If the switch is on, the wheel is spinning
    • If the switch is off, the wheel is not spinning, allowing for passengers to load/unload a cabin.
  • Weight sensors are also used in each of the cabins of this Ferris wheel. A sensor is “on” if the cabin it’s on is overloaded (too heavy). If any of the sensors is on, the wheel is automatically stopped. For the purpose of this task, we will assume that our Ferris Wheel only contains 4 cabins. We will therefore only use 4 sensors. In reality, more sensors would be needed.

Use our logic gates circuit simulator to design and test a circuit for the Ferris Wheel automated control system. (Click on picture below)

Drop Tower

To join the queue to get on board the Drop Tower, the passengers must comply with some safety rules. A control panel is available to control a gate to let a passenger join the queue. The control panel has 3 switches as follows:

  • Switch A to indicate whether the passenger is 12 or over.
  • Switch B to indicate whether the passenger is at least 4-feet tall.
  • Switch C to indicate whether the passenger is accompanied by an adult.

For the gate to open to let the passenger join the queue for the ride, the rules are as follow:

  • The passenger must be at least 4-feet tall.
  • The passenger must either be 12 or over and if not, they must be accompanied by an adult.

Click on the picture below to design and test the logic gates circuit to control the gate, so that if a passenger is allowed to get on board the Drop Tower, the gate is “on”, but if not the gate is “off“.

Roller Coaster

An emergency stopping system controls whether a signal should be sent to the train of a roller coaster to stop it, in case of an emergency. The system is based on the following inputs:

  • A main switch is controlled by the main operator to start (switch is “on”) or stop (“off”) the roller coaster. There are however only three locations on the track where it is safe for the roller coaster to be stopped.
  • There are 3 sensors on the track, one on each of these 3 locations. The sensor is “on” if it detects the train at this given location. At least one of the three sensors must be on for the train to be stopped.
  • A safety guard sensor is also used to detect if any of the safety guards are not securely locked in. When all safety guards are locked in, the sensor is “on”.
    If any of the safety guards are unlocked, the sensor is “off”: In this case, the train should automatically be stopped provided that the train is at one of the three safe locations to be stopped.

Use our logic gates circuit simulator to design and test a circuit for the Roller Coaster Emergency Stopping System.

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Solution...

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