Download Closed Charging Cordon Design Problem
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Bk ,1 = Bk , 2 Bk ,3 Bk , 4 Bk ,5 Bk , 6 ( A1(1) k + A2(1,4,5) k + A3(1,2,5) k + A4(1,2,4,5,8) k + A5(1,2,3,5) k ) 5 ( A3(1,2,5) k + A4(1,2,4,5,8) k + A5(1,2,3,5) k ) = 3 ( A5(1,2,3,5) k ) = 1 ( A2(1,4,5) k + A4(1,2,4,5,8) k ) = 2 ( A2(1,4,5) k + A3(1,2,5) k + A4(1,2,4,5,8) k + A5(1,2,3,5) k ) = 4 ( A4(1,2,4,5,8) k ) = 1 Note that the above formulas are only correct for each link k if the values in at least 95% of the A vectors are all greater then zero or are all less then zero. If this is not the case then the value entered in the B matrix must be zero for that link and node. Using the values in the example above the B matrix becomes: Bk ,i M M M M M M − 6.2 − 6 − 5 − 7.5 − 6.5 − 7 M M M M M M = 0 0 4 −2 0 −1 M M M M M M 0 0 −3 0 0 0 M M M M M M The idea behind the B matrix is to show how any one node that has been inside a cordon will affect the traffic behaviour on some link or links in a certain way until proven otherwise. In the example it can be seen that by placing any of the nodes 1, 2, 3, 4, 5 or 8 in the cordon a decrease in the traffic behaviour will occur on link X. This is not however true on links Y and Z. Placing node 3 in the cordon will lead to an increase of traffic behaviour on link Y by 4 units. This is obviously not an accurate representation of what happens but the thought is that it will give a starting point in helping to predict what the next cordon should look like and it will also become 29