Realtime Controller Tuning for Periodic Disturbance Rejection. with Application to Active Noise Control

Heinlein CHATTER V Club Meetings and Speech Making The First Meeting of a New Club: (a) To get a crowd use personal invitations primarily, plus cheap methods of local publicity. (b) Use a small hall and fill it with loud music, card tables, not too many chairs. Start with group singing. Have a dynamic speaker and some entertainment. Limit business to plans for next meeting and discussion of purpose of club. Serve simple refreshments afterwards and let the kids dance. (c) Record on file cards all possible information about all persons present-then follow up. This file is your basic political weapon. Speaking in Public: Be brief. Don't worry about eloquence. Funny stories are not necessary. You can get past your first appearance as a principal speaker by using an audience-participation quiz. This gag can be used over and over again until you gain confidence. CHAPTER VI Political Influence, Its Sources, Uses, and Abuses Claims of "controlling a district" are usually nonsense. There are two major ways in which a politician controls votes (a) by being the active leader of a live precinct organization (b) by the gradual and unconscious acquisition of a following who depend on him for reliable political information and advice ...»