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A regeneration and brake management system includes a prime mover, an energy storage device associated with the prime mover, and a regenerative braking system including a controller and at least one friction brake, wherein the regenerative braking system is configured to at least partially disable t

A regeneration and brake management system includes a prime mover, an energy storage device associated with the prime mover, and a regenerative braking system including a controller and at least one friction brake, wherein the regenerative braking system is configured to at least partially disable the at least one friction brake during regenerative braking.

대표청구항 ▼

What is claimed is: 1. A method of operating a regenerative powertrain system comprising: providing a prime mover; providing an energy storage device associated with said prime mover; providing a regenerative braking system including a controller and at least one friction brake; and at least partia

What is claimed is: 1. A method of operating a regenerative powertrain system comprising: providing a prime mover; providing an energy storage device associated with said prime mover; providing a regenerative braking system including a controller and at least one friction brake; and at least partially disabling said at least one friction brake during regenerative braking; wherein said at least partially disabling said at least one friction brake during regenerative braking includes: detecting a vehicle deceleration request; applying said at least one friction brake to an initial non-zero pressure level prior to said regenerative braking; initiating regenerative braking while maintaining said at least one friction brake at said initial non-zero pressure level; and disabling further friction brake application during said regenerative braking. 2. The method of claim 1, wherein said initiating regenerative braking comprises: providing negative torque to said prime mover; and operating said prime mover as a generator. 3. The method of claim 1, further comprising enabling friction braking when a regeneration limit of said regenerative braking system is met. 4. The method of claim 3, wherein said enabling friction braking includes selectively applying a friction brake to balance said braking system. 5. The method of claim 1, further comprising: monitoring said regenerative powertrain system for a wheel slippage; and operating an anti-lock braking system in response to a detected wheel slippage. 6. A method for operating a regenerative powertrain system comprising: providing a prime mover; providing an energy storage device associated with said prime mover; providing a regenerative braking system including a controller and at least one fiction brake; monitoring said regenerative powertrain system for a deceleration request; determining a brake torque associated with said deceleration request; at least partially disabling said at least one friction brake; and initiating a regenerative braking operation; wherein said at least partially disabling said at least one friction brake includes applying said at least one friction brake to an initial non-zero pressure level prior to said regenerative braking operation, and disabling further friction brake application during said regenerative braking operation. 7. The method of claim 6, further comprising: disposing a pressure transducer on said regenerative braking system, said pressure transducer being configured to detect a fluid pressure in said regenerative braking system; wherein said deceleration request includes one of a pressure increase in said regenerative braking system or a brake light signal. 8. The method of claim 7, further comprising: monitoring said regenerative braking system for a regeneration limit; and enabling friction braking by said at least one friction brake when said regeneration limit is met. 9. The method of claim 8, further comprising: disposing a wheel speed pick-up adjacent to a vehicle wheel, said wheel speed pick-up being configured to sense a rotational velocity of said vehicle wheel; wherein said limit of said regenerative braking system is determined from one of a regenerative current, a detected fluid pressure, or a sensed wheel velocity. 10. The method of claim 8, wherein said regeneration limit comprises one of an energy storage device operating at capacity, a thermal limit of said regenerative braking system, or a wheel slippage.