It seems to be so easy to implement and everybody knows the problem: you take an elevator, you click the wrong floor and now you have to wait awkwardly on the wrong floor for the doors to close again.
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heres a top gear top tip. if you press the floor you wanna go to and the door close button at the same time, it will go straight to that floor. not sure if it works on all elevators but it works on some of them. worked at the hospitals around here.
heres a top gear top tip. if you press the floor you wanna go to and the door close button at the same time, it will go straight to that floor. not sure if it works on all elevators but it works on some of them. worked at the hospitals around here.
The elevator doesn’t have a way to “know” if the person undoing the button press is the same person as the one who pressed it in the first place or someone else. It can’t tell the difference. The same feature that lets you undo your mistaken press would also let a selfish ass remove all the other riders’ floors from the queue in order to arrive at their own faster.
The elevator doesn’t have a way to “know” if the person undoing the button press is the same person as the one who pressed it in the first place or someone else. It can’t tell the difference. The same feature that lets you undo your mistaken press would also let a selfish ass remove all the other riders’ floors from the queue in order to arrive at their own faster.
In engineering every decision is a tradeoff.
The design decision is that accidentally pushing the wrong button is a smaller deal than accidentally canceling one, or someone being a jerk and canceling others’ floor requests. On top of that there is the fact that intuitively (and through experience) pressing a button requests a stop at that floor. What’s the cancel? Press twice like double clicking? Press and hold? Hold a separate cancel button? So no, it’s not as easy to implement as you posit.
When there is a business justification for it, you can have elevator systems where you request a floor and the scheduling system will direct elevators for higher efficiency. https://en.wikipedia.org/wiki/Destination_dispatch
In engineering every decision is a tradeoff.
The design decision is that accidentally pushing the wrong button is a smaller deal than accidentally canceling one, or someone being a jerk and canceling others’ floor requests. On top of that there is the fact that intuitively (and through experience) pressing a button requests a stop at that floor. What’s the cancel? Press twice like double clicking? Press and hold? Hold a separate cancel button? So no, it’s not as easy to implement as you posit.
When there is a business justification for it, you can have elevator systems where you request a floor and the scheduling system will direct elevators for higher efficiency. https://en.wikipedia.org/wiki/Destination_dispatch
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