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控制论研究各种控制系统的控制规律,一切控制系统的基本特点是信息变换和信息反馈。根据控制论原理来探索教学规律,就是要使教学达到“以少而精的施教信息和教学的反馈信息,实现最优调控,取得最佳教学效果”的境界。这就要求教师根据教学需要,运用控制论的原理,对教学的时间和空间进行必要的、恰当的、自觉的、适时的调整和控制。现就初中物理学生分组实验课的时间和空间的调控意识作一浅议。时间调控,是指在设计分组实验教学方案时,准确地把握教学的重点、难点,周密地安排好每个环节的时间。由于分组实验课的教学跟理论课的教学具有不同特点:理论课的课堂教学,虽是师生双边活动,
Cybernetics studies the control laws of various control systems. The basic characteristics of all control systems are information transformation and information feedback. According to the principle of cybernetics to explore the laws of teaching, it is necessary to make the teaching reach the realm of “learning information with a small but precise teaching and feedback of teaching, achieving optimal control, and obtaining optimal teaching results”. This requires teachers to use the theory of cybernetics according to teaching needs, to make necessary, appropriate, conscious, and timely adjustment and control of teaching time and space. This paper briefly discusses the control of time and space in junior high school physics students’ experimental groupings. Time control refers to accurately grasping the key points and difficulties of teaching when designing grouped experimental teaching programs and carefully arranging the time for each link. Because the teaching of group experiment courses has different characteristics from the teaching of theoretical courses: classroom teaching of theoretical courses is a bilateral activity between teachers and students.