WO2024144603A1 - Predictive advanced emergency brake system - Google Patents

Abstract

The invention relates a method for improving the performance of the brake system and emergency brake system specific to a vehicle (V); the vehicle will calculate the performance loss by taking the average of the brakes with comparation, calculation will be made to eliminate the ground effect by comparing the brake percentages made for each location and the received -g equivalent. As a result of the calculations, the emergency braking system based on the loss of performance will be activated earlier. If needed, predictive maintenance show brake warning. Brake system characterized by, calculating the vehicle's (V) brake history (collecting brake performance) with the data from the ABS/ESP/ECS system (20), with the data from the Navigation (90) along with the determination of the brake pedal position using the brake pedal position sensor (60) when an emergency brake or brake is applied; checking the gas pedal and brake pedal position, the vehicle's (V) instantaneous negative acceleration, and the stopping time during the emergency brake, along with the measurement of the steering wheel position at the moment of emergency braking, determining the location at the moment of emergency braking with at least one GPS sensor (91); evaluating mentioned data with at least one controller (10) to calculate brake performance parameters, and utilization of the mentioned brake performance parameter in the emergency brake system.

Description

PREDICTIVE ADVANCED EMERGENCY BRAKE SYSTEM

FIELD OF THE INVENTION

The invention is related to an innovation in the emergency brake system.

The invention is particularly with respect to the vehicle, a system and method that evaluates the brake performance, to ensure the safer management of the emergency brake system.

PRIOR ART

Research has shown that most traffic accidents are driver-related. Particularly, the detection of environmental variables and rapid response during driving can be managed faster by machines compared to humans.

With advancing technology, driving assistance equipment is being developed to enhance safety in vehicles. These equipment systems are supported by sensors (such as Lidar, Radar, etc.) and cameras that enable the monitoring of environmental variables.

Emergency brake systems aim to prevent accidents by reacting faster than the driver when an emergency occurs during traffic. In this regard, urban driving conditions are given priority. The system activates by taking into account the vehicle's speed, acceleration, and the obstacle in front of the vehicle. The emergency brake system operates based on predefined conditions specific to the vehicle. Since user-related variables are not taken into account, it may not always perform at the expected level. For instance, changes in vehicle weight and/or tire wear are factors that can change over time but are not considered by the emergency brake system. The current system calculates the negative acceleration required to stop the vehicle at the predicted distance based on the instantaneous speed when an emergency occurs. If the system doesn't achieve stopping within the predicted distance when activated, it increases the braking force to attempt to stop the vehicle. At this point, the system works to stop the vehicle in the minimum possible time. However, when such a scenario occurs, the more effective stopping of the vehicle is not considered, and it may lead to panic inside the vehicle. As a result, all abovementioned problems have made it necessary to make an improvement in the relevant technical field.

AIM OF THE INVENTION

The present invention aims to eliminate the abovementioned problems and to make a development in the relevant technical field.

The main objective of the invention is to establish a system structure that enables the emergency brake system to learn about the vehicle's braking/stopping performance, thereby allowing it to perform more effectively and optimize braking in emergency situations.

Another objective of the invention is to prevent abrupt stops when the emergency brake system is activated.

Another objective of the invention is to prevent panic or other accidents caused by abrupt stops, even when there is sufficient distance available for stopping the vehicle.

Another objective of the invention is to enable the prediction of brake system maintenance needs.

Another objective of the invention is to inform the driver about the performance of the brake system.

Another objective of the invention is to provide a more comfortable braking situation for the driver and passengers inside the vehicle when the emergency brake system is activated.

BRIEF DESCRIPTION OF THE INVENTION

The invention is related to emergency brake management system so as to fulfil all aims mentioned above and will be obtained from the following detailed description.

The invention relates a method for improving the performance of the emergency brake system specific to a vehicle characterized by, calculating the vehicle's brake history with the data from the ABS/ESP/ECS system along with the determination of the brake pedal position using the brake pedal position sensor when an emergency brake is applied; measuring the gas pedal position, the vehicle's instantaneous negative acceleration, and the stopping time during the emergency brake, along with the measurement of the steering wheel position at the moment of emergency braking, determining the location at the moment of emergency braking with at least one GPS sensor; evaluating mentioned data with at least one controller to calculate brake performance parameters, and utilization of the mentioned brake performance parameter in the emergency brake system.

The invention relates a system for improving the performance of the emergency brake system specific to a vehicle comprises, at least one controller that responsible for enabling data reading from the ABS/ESP/ECS system to detect sudden brake events and calculate brake performance parameters; at least one acceleration sensor that transfers data to the mentioned controller; at least one slope sensor that responsible for determining the inclination of the vehicle and providing data to the mentioned controller; at least one GPS sensor to determine the location information where the relevant events occur after evaluating the data; at least one temperature sensor to measure the temperature parameter that affects tire road grip; a steering wheel angle sensor to determine the steering angle during sudden brake events; at least one cloud server that stores in, the data generated from the mentioned components.

In another preferred embodiment of the invention, it is characterized by, the brake performance ratio is calculated as the ratio of the negative G data obtained from the acceleration sensor to the value of the percentage position of the brake pedal.

In another preferred embodiment of the invention, it is characterized by, determining parameters for calculating braking distance based on road grip by evaluating data from the slope sensor to determining the vehicle's inclination data during braking.

In another preferred embodiment of the invention, it is characterized by, the location information of the relevant event is paired with data obtained from the GPS sensor and recorded for reference, after evaluating the brake performance parameters with data generated at the moment of activation from the ABS/ESP/ECS system.

In another preferred embodiment of the invention, it is characterized by, updating the brake performance parameter by evaluating the road conditions/surface conditions at the relevant location using the road data obtained through navigation.

In another preferred embodiment of the invention, it is characterized by, recording the measured parameters related to each detected sudden braking event, which are location-dependent, as a data set in at least one cloud server that communicates with the controller.

In another preferred embodiment of the invention, it is characterized by, sharing the calculated brake performance parameters with other vehicles through the cloud server, allowing the evaluation of the brake performance of other equivalent vehicles at the relevant location in emergency brake situations

The protection scope of the invention is specified in the claims and cannot be limited to the description made for illustrative purposes in this brief and detailed description. It is clear that a person skilled in the art can present similar embodiments in the light of the above descriptions without departing from the main theme of the invention.

BRIEF DESCRIPTION OF DRAWINGS

Figure 1 provides a flowchart illustrating the operation of the invention.

Figure 2 provides a schematic diagram depicting the operation of the system related to the invention.

The drawings do not necessarily need to be scaled and some details that are not necessary to understand the present invention may have been omitted. In addition, elements that are at least largely identical or at least largely have identical functions are indicated with the same number.

DESCRIPTION OF THE REFERENCES IN FIGURES

10. Controller

20. ABS/ESP/ECS system

30. Temperature sensor

31 . Tire pressure sensor

40. Slope sensor

50. Acceleration sensor

60. Brake pedal position sensor

70. Throttle pedal position sensor 80. Steering wheel angle sensor

90. Navigation

91 . GPS sensor

100. Cloud server

S. System

V. Vehicle

DETAILED DESCRIPTION OF THE INVENTION

In this detailed description, the invention emergency brake management system (S) is described by means of examples only for clarifying the subject matter such that no limiting effect is created.

The subject of the invention is particularly a system (S) and method that evaluates brake performance, especially with respect to the vehicle (V), to ensure the safer management of the emergency brake system (S).

The invention relates a method for improving the performance of the emergency brake system specific to a vehicle (V); characterized by, calculating the vehicle's (V) brake history with the data from the ABS/ESP/ECS system (20) along with the determination of the brake pedal position using the brake pedal position sensor (60) when an emergency brake is applied; measuring the gas pedal position, the vehicle's (V) instantaneous negative acceleration, and the stopping time during the emergency brake, along with the measurement of the steering wheel position at the moment of emergency braking, determining the location at the moment of emergency braking with at least one GPS sensor (91 ); evaluating mentioned data with at least one controller (10) to calculate brake performance parameters, and utilization of the mentioned brake performance parameter in the emergency brake system.

The invention relates a system (S) for improving the performance of the emergency brake system specific to a vehicle (V); comprises, at least one controller (10) that responsible for enabling data reading from the ABS/ESP/ECS system (20) to detect sudden brake events and calculate brake performance parameters; at least one acceleration sensor (50) that transfers data to the mentioned controller (10); at least one slope sensor (40) that responsible for determining the inclination of the vehicle (V) and providing data to the mentioned controller (10); at least one GPS sensor (91 ) to determine the location information where the relevant events occur after evaluating the data; at least one temperature sensor (30) to measure the temperature parameter that affects tire road grip; a steering wheel angle sensor (80) to determine the steering angle during sudden brake events; at least one cloud server (100) that stores in, the data generated from the mentioned components.

A flowchart illustrating the operation of the invention is provided in Figure 1 .

Within the scope of the invention, the position of the vehicle's (V) brake pedal is continuously monitored by the brake pedal position sensor (60). The brake performance ratio is calculated by dividing the absolute negative acceleration amount on the acceleration sensor (50) by the percentage value of the brake pedal position. Additionally, the steering wheel angle position is determined instantly by the steering wheel angle sensor (80) to create parameters.

Within the system (S) scope, at least one acceleration sensor (50) (G sensor) is used to monitor the instantaneous accelerations acting on the vehicle (V), and at least one slope sensor (40) is used to track the slope information at the moment of braking.

Within the scope of the invention, moments of sudden braking are monitored. These sudden brakes can be made either with the emergency brake system (S) or by the driver. In this context, data obtained from the brake management system (S) monitored by the ABS/ESP/ECS system (20) is used to detect instances where the vehicle (V) undergoes sudden braking.

In the event of sudden brake detection, the vehicle's GPS sensor (91 ), determines the real-time location information.

Drivers use the brake pedal continuously. Within the system (S) scope, the act of the driver pressing the brake pedal is monitored through the brake pedal position sensor (60) or the response of the emergency brake system. During this process, data from various sensors, including the slope sensor (40), acceleration sensor (50), tire pressure sensor (31 ), external temperature sensor (30) for detecting outside air temperature, steering wheel angle sensor (80), and throttle pedal position sensor (70) to analyze the brake situation created by either the emergency brake system or pressing both pedals, is collected. The collected data is processed in the controller (10).

Example Scenario-1

The predicted stopping distance is between 15-17 meters for a specific vehicle (V) is traveling at a speed of 50 km/h, the outside air temperature is 23 °C and the vehicle has appropriate tire pressures and with tires at a 0° angle.

At this point, the controller (10) monitors the stopping distance using information from the acceleration sensor (50) and the wheel rotation speed information obtained from the ABS/ESP/ECS system (20). In the predicted scenario, 15 meters represents a good stopping distance, while 25 meters is considered a poor stopping distance. When the brake weakens, the emergency brake is activated early. In the reference to the poor scenario, the user is informed with a service alert.

Example Scenario-2

A driver is driving a vehicle which a specific brand and model, and is traveling at a speed of 120 km/h on the spesific highway. When at the 12th kilometer and 150 meters mark on the spesific highway, during the 24th turn, the driver presses the brake pedal with a 60% force. This brake response is transmitted to the cloud server (100) and can be shared for evaluation with other vehicles (V) of the same brand and model.

The controller (10) creates a data set related to the mentioned braking situation, and within this data set, the parameters mentioned above are recorded. In the preferred configuration, the system (S) records data after a minimum of 100 brake responses with a 50% force in the brake pedal position per vehicle (V). This ensures continuous data collection from the brake system.

In the preferred configuration of the invention, after the calculation of brake performance, a scoring is provided for each vehicle (V), and the brake data per vehicle (V) is recorded along with the performance score on the cloud server (100). Ideally, scoring typically done on a scale ranging from 1 to 10, and once a score of 3 is reached, the emergency brake system can provide a more efficient response in emergency situations using the brake parameter. As a result, the emergency brake system operates more efficiently by taking parameters such as tire wear and brake system wear into account.

In the preferred configuration of the invention, the road data obtained through navigation (90) is used to evaluate the road conditions/surface conditions at the relevant location, and the brake performance parameter can be updated accordingly.

In the preferred configuration of the invention, predictive maintenance shows brake warning on vehicles rated 3 or less.

Claims

1 . A method for improving the performance of the emergency brake system specific to a vehicle (V), characterized by:

Calculating the vehicle's (V) brake history with the data from the ABS/ESP/ECS system (20) along with the determination of the brake pedal position using the brake pedal position sensor (60) when an emergency brake is applied; measuring the gas pedal position, the vehicle's (V) instantaneous negative acceleration, and the stopping time during the emergency brake, along with the measurement of the steering wheel position at the moment of emergency braking, determining the location at the moment of emergency braking with at least one GPS sensor (91 ); evaluating mentioned data with at least one controller (10) to calculate brake performance parameters, and utilization of the mentioned brake performance parameter in the emergency brake system.

2. A method according to the claim 1 ; characterized by, the brake performance ratio is calculated as the ratio of the negative G data obtained from the acceleration sensor (50) to the value of the percentage position of the brake pedal.

3. A method according to the claim 1 ; characterized by, determining parameters for calculating braking distance based on road grip by evaluating data from the slope sensor (40) to determining the vehicle's (V) inclination data during braking.

4. A method according to the claim 1 ; characterized by, the location information of the relevant event is paired with data obtained from the GPS sensor (91 ) and recorded for reference, after evaluating the brake performance parameters with data generated at the moment of activation from the ABS/ESP/ECS system (20).

5. A method according to the claim 1 ; characterized by, updating the brake performance parameter by evaluating the road conditions/surface conditions at the relevant location using the road data obtained through navigation (90).

6. A method according to the claim 1 ; characterized by, recording the measured parameters related to each detected sudden braking event, which are locationdependent, as a data set in at least one cloud server (100) that communicates with the controller (10).

7. A method according to the claim 1 ; characterized by, sharing the calculated brake performance parameters with other vehicles (V) through the cloud server (100), allowing the evaluation of the brake performance of other equivalent vehicles (V) at the relevant location in emergency brake situations