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Vehicle cruise control system and method having improved target speed resolution feature

  • US 5,957,992 A
  • Filed: 09/11/1996
  • Issued: 09/28/1999
  • Est. Priority Date: 09/11/1995
  • Status: Expired due to Term
First Claim
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1. A vehicular constant-speed running system comprising:

  • constant-speed running means for controlling a throttle opening independently of an accelerator setting to maintain a vehicle at a target vehicle speed during a constant-speed running mode; and

    initial opening setting means for setting, at a time of transfer to said constant-speed running mode, a throttle opening before said transfer to an initial throttle opening value of said constant speed running mode, if said throttle opening before said transfer is in a region preset based on a parameter correlated to said vehicle speed, and setting at least one of an upper limit and a lower limit of said region to said initial throttle opening value if said throttle opening before said transfer is not in said region.

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