Fuzzy Systeem ........The director of a television channel has entrusted you the task of developing a fuzzy system that calculates the price an advertiser has to pay to have his ad emitted. It has to take into account four criteria: the audience that will watch the ad, the time slot and the duration and program rank category. The system will have two blocks of rules: 1. First part is used to calculate the interest of the channel over the advertisement. Inputs: audience, time slot, and duration. 2. Second part is used to calculate the price. Inputs: interest of the channel and program rank category. The tasks to be done are:

TASK 1: Definition of the input and output linguistic variables. For each variable you must decide the reference scale, the number of terms and the corresponding fuzzy sets (by defining their membership functions). You should search for some information about this topic in the Internet in order to support your design of the variables. You must use the trapezoidal functions which define each of the linguistic terms of the variables are given in the (a,b,c,d) format, being its graphical representation:

TASK 2: Define the rules for the two blocks You must define conjunctive rules. Decide appropriate premises and assign a degree of support to each rules. Rules must cover all possible combinations of input values, but you can use rules of different lengths. Support your definition of rules with evidences you find in the Internet. 2