Design of Digital IIR Filter with Conflicting Objectives Using Hybrid Gravitational Search Algorithm

Algorithm 2

BSA.

(1) Enter with filter coefficients being decision variable as , and set .

DO

(2.1)    .

(2.2) Set    using (33), .

(2.3) Compute    using (34).

(2.4) Compute    using (35).

(2.5) Obtain and from (36) and (37) respectively.

(2.6) Evaluate fitness from (39).

DO

(2.7.1)

(2.7.2) Obtain , and from (34), (35), (36), and (37) respectively.

(2.7.3) Evaluate fitness from (39).

(2.7.4) Obtain    from (40).

WHILE  

IF     THEN

(2.8.1)    and

ELSE

(2.8.2)   

END

WHILE  

RETURN