Control apparatus and method for engine-continuously variable tr

Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position

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74864, 74860, 74859, B60K 4112, B60K 4118

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active

045150400

ABSTRACT:
A function generator circuit is provided which generates a target engine revolution speed electric signal indicative of a target engine revolution speed which is a first predetermined function of an accelerator pedal stroke electric signal indicative of a depression degree of an accelerator pedal. There is also provided another function generator circuit which generates a target engine torque electric signal indicative of a target engine torque which is a second predetermined function of the accelerator pedal stroke electric signal. A comparator compares the actual and target engine revolution speed electric signals and generates a deviation signal indicative of a difference between these signals. A shift control varies a reduction ratio in the continuously variable transmission to vary the revolution speed of the engine in a direction to reduce the deviation signal. A fuel supply device is controlled in response to the target engine torque electric signal so as to supply a fuel enough for production of the target engine torque.

REFERENCES:
patent: 3335830 (1967-08-01), Coye De Castelet
patent: 3596528 (1971-08-01), Dittrich
patent: 4107776 (1978-08-01), Beale
patent: 4161894 (1979-07-01), Giacosa
patent: 4253347 (1981-03-01), Mizuno et al.
patent: 4261229 (1981-04-01), Mizuno et al.
patent: 4281567 (1981-08-01), Maurer
patent: 4353272 (1982-10-01), Scheider et al.
patent: 4381684 (1983-05-01), Himmelstein
Ironside et al., "Continuously Variable Transmission Control," Oct. 14-16, 1980.
Leotta, "Experiments with Electronic Control Applied to a Moped Automatic Transmission", 11/2/79.
"Belt-Drive Automatic Programmed for Economy," 372 Automotive Eng., vol. 86, No. 8, (1978.08).

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