VEHICLE TORQUE RESOLUTION
First Claim
1. A method of resolving a plurality of vehicle torque requests from a plurality of torque requesting elements, at least one of the plurality of torque requesting elements having at least one desired second level base torque and at least one desired second level fast torque, the method comprising:
- resolving torques requested at a first level to produce at least one desired first level base torque and at least one desired first level fast torque;
translating the desired first level base and fast torques through transmission effects between the first level and a second level; and
resolving the translated desired base and fast torques at the second level to produce the at least one desired second level base torque and the at least one desired second level fast torque.
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Accused Products
Abstract
Hybrid vehicles and other vehicles with one or more torque producing devices operate more effectively with proper resolution of torque requests. In one aspect of the present invention, a plurality of vehicle force and torque requests are resolved at different levels depending on the vehicle architecture. In another aspect of the present invention, torque requests are resolved into base requests and fast requests depending upon response times of torque devices satisfying these requests.
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Citations
43 Claims
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1. A method of resolving a plurality of vehicle torque requests from a plurality of torque requesting elements, at least one of the plurality of torque requesting elements having at least one desired second level base torque and at least one desired second level fast torque, the method comprising:
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resolving torques requested at a first level to produce at least one desired first level base torque and at least one desired first level fast torque;
translating the desired first level base and fast torques through transmission effects between the first level and a second level; and
resolving the translated desired base and fast torques at the second level to produce the at least one desired second level base torque and the at least one desired second level fast torque. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A vehicle comprising:
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a plurality of torque requesting elements, each torque requesting element generating at least one of slowly changing torque requests and rapidly changing torque requests;
at least one torque producing device;
at least one transmission, each transmission translating torque from at least one of the at least one torque producing device to at least one wheel; and
a control system in communication with each torque requesting element and each torque producing device, the control system operative to (a) resolve wheel level torque requests, (b) translate wheel level torque requests through each of the at least one transmission to at least one transmission input level, (c) resolve translated wheel level torque requests together with transmission input level torque requests, and (d) generate commands for the at least one torque producing device based on the resolved torque requests. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A controller for resolving torque comprising:
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a wheel level resolver generating at least one of wheel level base requests and wheel level fast requests based on wheel level traction requests;
a translator generating translated base requests and translated fast requests corresponding to the at least one wheel level base requests and the wheel level fast requests based on a state of at least one transmission; and
a transmission input level resolver generating transmission input level base requests and transmission input level fast requests based on the translated base requests, the translated fast requests and transmission input level requests, whereby at least one of the transmission input level base requests and the transmission input level fast requests is used to control a transmission level torque producing device. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43)
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Specification