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1.发明授权A constant speed cruise control system of duty ratio control type and a leading angle control method thereof 失效占空比控制类型的恒定速度巡航控制系统及其前导角控制方法
公开(公告)号：EP0227198B1
公开(公告)日：1991-03-27
申请号：EP86202379.3
申请日：1986-12-24
发明人： Takahashi, Minoru c/o Fujitsu Ten Ltd. , Masuda, Jiro c/o Fujitsu Ten Ltd. , Miyazaki, Akira c/o Fujitsu Ten Ltd. , Hitotsuya, Masaki c/o Fujitsu Ten Ltd. , Yamasaki, Hirofumi c/o Fujitsu Ten Ltd. , Takahashi, Junji c/o Fujitsu Ten Ltd. , Teratani, Tatsuo Toyota Jidosha Kabushiki Kaisha , Tachibana, Takeshi Toyota Jidosha Kabushiki Kaisha , Nagasaka, Masumi Toyota Jidosha Kabushiki Kaisha
IPC分类号： B60K31/10
CPC分类号： B60K31/107
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2.发明公开A constant speed cruise control system of duty ratio control type and a leading angle control method thereof 失效通过调整目标功率和用于与相位超前控制的方法的速度控制系统。
公开(公告)号：EP0227198A2
公开(公告)日：1987-07-01
申请号：EP86202379.3
申请日：1986-12-24
发明人： Takahashi, Minoru c/o Fujitsu Ten Ltd. , Masuda, Jiro c/o Fujitsu Ten Ltd. , Miyazaki, Akira c/o Fujitsu Ten Ltd. , Hitotsuya, Masaki c/o Fujitsu Ten Ltd. , Yamasaki, Hirofumi c/o Fujitsu Ten Ltd. , Takahashi, Junji c/o Fujitsu Ten Ltd. , Teratani, Tatsuo Toyota Jidosha Kabushiki Kaisha , Tachibana, Takeshi Toyota Jidosha Kabushiki Kaisha , Nagasaka, Masumi Toyota Jidosha Kabushiki Kaisha
IPC分类号： B60K31/10
CPC分类号： B60K31/107
摘要： A constant speed cruise control system of duty ratio control type for approximating an actual tarveling car speed to a stored target car speed, by on/off control of a control valve (10,89a) of an actuator (ACT,102,89,155) to adjust the throttle valve opening degree by an output duty ratio D obtained from a control line (70) having a gradient showing a conversion characteristic of car speed and duty ratio. The system has a controller (ECU) in which
a set duty ratio SD corresponding to the target car speed is calculated as and the output duty ratio D is calculated as where G: gradient of control line
ΔV: car speed deviation
DM: integrating element responding quickly to duty ratio change
SD1: integrating element responding slowly to duty ratio change
n: constant and the controller (ECU) corrects to integrate the set duty ratio SD in a direction of approximating the output duty ratio D.
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