为了开发遮阳设备的最佳控制系统，对传统百叶窗的使用进行了研究，并发布了一个关于自动控制百叶窗的问题。调查结果表明:（1）百叶窗的运行似乎不是由通过窗户获得的太阳热量决定的，而是由太阳直接辐射的入射距离决定的；但是（2）当太阳直接辐射强度低于10-50（kcal/m2h）阈值时，它不会触发。对调查问卷的回复显示:（1）大多数办公楼的居住者更喜欢靠近窗户的空间；（2）居住者认为窗户应该是透明的，除非遮阳对热环境和/或光环境必不可少。在此基础上，开发了一种新型自动百叶窗的最优控制系统，并将其应用于东京的一座实际智能建筑中。 单位:SICitation:Symposium，ASHRAE交易，1988年，第94卷，pt。2、渥太华

In order to develop an optimal control system for window-shading devices, the use of conventional venetian blinds was investigated, and a questio~maire concerning automatically controlled venetian blinds was distributed.The results of the investigation show that (1) operation of blinds seems to be determined, not by the solar heat gain through windows, but by the incident distance of direct solar radiation; but (2) it is not triggered when the intensity of direct solar radiation is under a 10-50 (kcal/m2h) threshold value.Responses to the questionnaire show that (1) the majority of the occupants in office buildings prefer the space near the windows; and (2) occupants think that windows should transparent except when shading is indispensable for the thermal and/or luminous environment. On the basis of the above results, an optimal control system for a new type of automatic venetian blind was developed and utilized in an actual intelligent building in Tokyo.Units: SI