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US 10,471,833 B2Granted
Hybrid vehicle and braking method thereof
AssigneeHyundai Motor Company
InventorWoo Cheol Cho
Life of this patent
Estimating the term…
Abstract
A hybrid vehicle and a braking method thereof are provided. The braking method includes determining a current braking situation based on a brake depth and calculating an amount of braking demanded by a driver corresponding to the brake depth when the current braking situation is a general braking situation. A regenerative braking command is generated to execute regenerative braking and a friction braking command to execute friction braking based on the amount of braking demanded by the driver.
Claims13
A braking method of a hybrid vehicle, comprising:
- determining, by an electric brake system based on a brake depth, whether a current braking situation is a general braking situation or an emergency braking situation;
- transmitting, by the electric brake system, the brake depth together with a control authority transfer signal to a hybrid controller, when the current braking situation is the general braking situation;
- calculating, by the hybrid controller without intervention of the electric brake system, a first amount of braking demanded by a driver corresponding to the brake depth, when the current braking situation is the general braking situation;
- generating, by the hybrid controller, a regenerative braking command to execute regenerative braking and a friction braking command to execute friction braking based on the first amount of braking demanded by the driver, when the current braking situation is the general braking situation;
- calculating, by the electric brake system, a second amount of braking demanded by the driver corresponding to the brake depth, when the current braking situation is the emergency braking situation;
- and
- executing, by the electric brake system, friction braking based on the second amount of braking demanded by the driver and an execution amount of regenerative braking acquired by monitoring a degree of execution of regenerative braking, when the current braking situation is the emergency braking situation.
4 more elements
A hybrid vehicle comprising:
- an electric brake system configured to determine whether a current braking situation is a general braking situation or an emergency braking situation based on a brake depth;
- and
- a hybrid controller, when the current braking situation is the general braking situation, configured to receive the brake depth together with a control authority transfer signal from the electric brake system, to calculate without intervention of the electric brake system a first amount of braking demanded by a driver that corresponds to the brake depth and to generate a regenerative braking command to execute regenerative braking and a friction braking command to execute friction braking based on the first amount of braking demanded by the driver,
- wherein, when the current braking situation is the emergency braking situation, the electric brake system is configured to calculate a second amount of braking demanded by the driver that corresponds to the brake depth and execute friction braking based on the second amount of braking demanded by the driver and an execution amount of regenerative braking acquired by monitoring a degree of execution of regenerative braking.
1 more element
A braking method of a hybrid vehicle, comprising:
- determining, by an electric brake system based on a brake depth and a variation of the brake depth, whether a current braking situation is a general braking situation or an emergency braking situation;
- transmitting, by the electric brake system, the brake depth together with a control authority transfer signal to a hybrid controller, when the current braking situation is the general braking situation;
- calculating, by one of the electric brake system and the hybrid controller, a first amount of braking demanded or a second amount of braking demanded by a driver that corresponds to the brake depth and an amount of friction braking for executing friction braking based on the current braking situation;
- and
- when the current braking situation is the general braking situation, calculating, by the hybrid controller without intervention of the electric brake system, the first amount of braking demanded by the driver and calculating the amount of friction braking based on a regenerative limitation situation of a motor based on the first amount of braking demanded by the driver, and
- when the current braking situation is the emergency braking situation, calculating, by the electric brake system, the second amount of braking demanded by the driver and calculating the amount of friction braking based on the second amount of braking demanded by the driver and an execution amount of regenerative braking acquired by monitoring a degree of execution of regenerative braking.
3 more elements
Dependencies are inferred from the claim text.