控制論的研究對象是系統，它對于進一步考察系統內部的組織、控制和調節的功能是不可缺少的。信息是組織系統的一個重要特征，它使系統得以實現自我調節，是系統之間，系統與環境之間聯系的主要方式。系統、信息、控制不可分離. 我們知道，一般系統有三大要素：物質、能量和信息。對控制系統而言，信息是重要的，信息與控制是不可分的，系統中任何信息的傳遞、交換和處理都是為了系統的控制，而控制正是控制論系統的主要目的。所以，從某種意義上說，控制系統一定是一個信息系統。 實際上，控制論中的系統常常是一個很復雜的系統，施控系統和受控系統都有許多子系統組成，而且常常不能明顯地區分。例如一個企業可看作一個復雜的控制系統，廠長施控于各部門負責人，而各負責人又施控于其下屬，┅，直到每個工人施控于各機床設備，以及各具體的車刀、主軸、馬達、油泵等等。 所以，控制論思想不但可以廣泛應用于軍事、航天航空、化工生產等裝備和生產線的控制，也可對人文、社會等方面的管理控制帶來積極的指導作用。
The research object of cybernetics is system, which is indispensable to further study the organization, control and regulation functions within the system. Information is an important feature of an organizational system. It enables the system to achieve self-regulation and is the main way to connect systems and the environment. System, information and control cannot be separated We know that the general system has three elements: matter, energy and information. For the control system, information is the most important, and information and control are inseparable. The transmission, exchange and processing of any information in the system are for the control of the system, and control is the main purpose of the cybernetic system. Therefore, in a sense, the control system must be an information system. In fact, the system in cybernetics is often a very complex system. The control system and the controlled system are composed of many subsystems, and they are often not clearly distinguished. For example, an enterprise can be regarded as a complex control system. The factory director controls the heads of various departments, and the heads of various departments control their subordinates until each worker controls the machine tools and equipment, as well as the specific turning tools, spindles, motors, oil pumps, etc. Therefore, cybernetics can not only be widely used in the control of military, aerospace, chemical production and other equipment and production lines, but also play a positive guiding role in the management and control of humanities, society and other aspects.
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