[미국특허]
Adaptive calibration strategy for a manually controlled throttle system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02D-041/04
F02D-011/10
출원번호
US-0245434
(2002-09-16)
발명자
/ 주소
Suhre, Blake R.
Haddad, Robert E.
Ehlers, Jeffery C.
Gonring, Steven J.
출원인 / 주소
Brunswick Corporation
대리인 / 주소
Lanyi, William D.
인용정보
피인용 횟수 :
27인용 특허 :
10
초록▼
A calibration procedure involves the steps of manually placing a throttle handle in five preselected positions that correspond with mechanical detents of the throttle control mechanism. At each of the five positions, one or more position indicating signals are received by a microprocessor of a contr
A calibration procedure involves the steps of manually placing a throttle handle in five preselected positions that correspond with mechanical detents of the throttle control mechanism. At each of the five positions, one or more position indicating signals are received by a microprocessor of a controller and stored for future use. The five positions comprise wide open throttle in forward gear, wide open throttle in reverse gear, the shift position between neutral and forward gear, the shift position between neutral and reverse gear, and the mid-point of the neutral gear selection range. The present invention then continuously monitors signals provided by a sensor of the throttle control mechanism and mathematically determines the precise position of the throttle handle as a function of the stored position indicating signals. In one embodiment, each position indicating signal comprises three redundant signal magnitudes.
대표청구항▼
A calibration procedure involves the steps of manually placing a throttle handle in five preselected positions that correspond with mechanical detents of the throttle control mechanism. At each of the five positions, one or more position indicating signals are received by a microprocessor of a contr
A calibration procedure involves the steps of manually placing a throttle handle in five preselected positions that correspond with mechanical detents of the throttle control mechanism. At each of the five positions, one or more position indicating signals are received by a microprocessor of a controller and stored for future use. The five positions comprise wide open throttle in forward gear, wide open throttle in reverse gear, the shift position between neutral and forward gear, the shift position between neutral and reverse gear, and the mid-point of the neutral gear selection range. The present invention then continuously monitors signals provided by a sensor of the throttle control mechanism and mathematically determines the precise position of the throttle handle as a function of the stored position indicating signals. In one embodiment, each position indicating signal comprises three redundant signal magnitudes. nt detecting circuit detects a μ gradient on the basis of a wheel speed detected by a wheel speed detecting circuit. A gradient value comparing circuit determines a μ gradient section value μr, which is a mean value of the μ gradients from the μ gradient detecting circuit, and calculates a rate (=μr/μI) of the μ gradient mean value μr with respect to a μ gradient initial value μ. A tire temperature estimating circuit stores a table representing the relation between the rate and a tire temperature, and estimates a tire temperature corresponding to the rate calculated by the gradient value comparing circuit as the present tire temperature. 4996705, 19910200, Entenmann et al., 379/091; US-5003585, 19910300, Richer, 379/144; US-5003595, 19910300, Collins et al., 380/025; US-5007077, 19910400, Fields et al., 379/067; US-5008929, 19910400, Olsen et al., 379/112; US-5014301, 19910500, Maltezos, 379/155; US-5040177, 19910800, Martin et al., 370/110.1; US-5046088, 19910900, Margulies, 379/211; US-5063588, 19911100, Patsiokas et al., 340/057; US-5068891, 19911100, Marshall, 379/091; US-5103449, 19920400, Jolissaint, 370/110.1; US-5109401, 19920400, Hattori et al., 379/058; US-5127040, 19920600, D'Avello et al., 379/058; US-5128938, 19920700, Borras, 370/095.1; US-5134646, 19920700, Carlson, 379/067; US-5138
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