Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
  • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
  • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
  • B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
  • B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
  • B60R16/0233—Vehicle tilting, overturning or roll over
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
  • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
  • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
  • B60R21/0132—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value

Definitions

• the present invention relates to a controller and method to determine rollover of a vehicle without using rollover sensor.
• a rollover condition of a vehicle must be identified to cut off the fuel supply in fuel lines and also to stop the ignition immediately. Without this the vehicle is at a risk of catching fire.
• rollover detection strategy present with roll over sensor.
• a method and system for detecting vehicle roll-over utilizes a z-axis accelerometer and a processor for analyzing the accelerometer output to provide early detection/prediction of a vehicle roll-over.
• the output signal is substantially a positive constant value equal to the force of gravity when the vehicle is in a normal upright condition, and as the vehicle experiences a roll-over, the output signal transitions to a substantially negative constant value when the vehicle has rolled 180 DEG upside down.
• the z-axis data is averaged and compared to a first threshold value set to a g-force value within a range of 0 to -1 g.
• Estimating a slope value i.e. the change in z-axis data over time, can provide an additional discrimination measure to improve overall reliability, and to provide a qualitative measure of the roll over.
• FIG. 1 illustrates a block diagram of a controller to determine rollover of a vehicle, according to an embodiment of the present invention
• FIG. 2 illustrates a method for determining rollover of the vehicle, according to the present invention. Detailed description of the embodiments:
• Fig. 1 illustrates a block diagram of a controller to determine rollover of a vehicle, according to an embodiment of the present invention.
• the controller 110 configured to monitor values of parameters comprising, a wheel speed during an operational state of an engine 114 of the vehicle 100, and a fuel level in a fuel tank 116 of the vehicle 100.
• the controller 110 then configured to determine rollover of the vehicle 100 if the monitored values of the parameters satisfies respective preset conditions.
• the wheel speed is detected using wheel speed sensor 102, and the fuel level is measured using a fuel level sensor 104 in the vehicle 100.
• the wheel speed sensor 102 and the fuel level sensor 104 are either already existing in the vehicle 100 or newly installed based on the need.
• the controller 110 is able to determine rollover without using a rollover sensor.
• the controller 110 configured to detect continues decrease in vehicle speed in comparison to last recorded vehicle speed (in simple words, continuous decrease in the vehicle speed), and receive wheel speed signal of only rear wheel.
• the controller 110 configured to detect change in fuel level in a disturbed pattern comprising at least one increasing-decreasing values, and detect the disturbed pattern in a calibratable time duration.
• the controller 110 is provided with necessary signal detection, acquisition, and processing circuits.
• the controller 110 is the control unit which comprises input/output interfaces having pins or ports, a memory element 108 such as Random Access Memory (RAM) and/or Read Only Memory (ROM), Analog-to-Digital Converter (ADC) and a Digital-to-Analog Convertor (DAC), clocks, timers, counters and at least one processor (capable of implementing machine learning) connected with each other and to other components through communication bus channels.
• the memory element 108 is prestored with logics or instructions or programs or applications or modules/models and/or threshold values/ranges, which is/are accessed by the at least one processor as per the defined routines.
• the internal components of the controller 110 are not explained for being state of the art, and the same must not be understood in a limiting manner.
• the controller 110 may also comprise communication units to communicate with ECU of the vehicle 100 or MCU of the mobile device 112, through wireless or wired means such as Global System for Mobile Communications (GSM), 3G, 4G, 5G, Wi-Fi, Bluetooth, Ethernet, serial networks, and the like.
• GSM Global System for Mobile Communications
• 3G 3G, 4G, 5G, Wi-Fi, Bluetooth, Ethernet, serial networks, and the like.
• Wi-Fi Wireless Fidelity
• Bluetooth Wireless Fidelity
• the controller 110 is at least one of an Electronic Control Unit (ECU) of the vehicle 100 and a Mobile Control Unit (MCU) of the mobile device 112 in communication with the vehicle 100.
• ECU Electronic Control Unit
• MCU Mobile Control Unit
• the MCU of the mobile device 112 is interfaced with the ECU of the vehicle 100 either through wireless or wired manner as known in the art, such as Universal Serial Bus (USB), type C cable, micro-USB cable, BluetoothTM, Wi-Fi, Near Field Communication (NFC), etc.
• USB Universal Serial Bus
• type C cable type C cable
• micro-USB cable micro-USB cable
• BluetoothTM Wi-Fi
• NFC Near Field Communication
• the ECU is at least one of an Engine Management System (EMS) unit, a Tire Pressure Monitoring System (TPMS) unit, a Telematics Control Unit (TCU), Anti-lock Braking System (ABS) unit, a Body Control Unit (BCU), a Human- Machine Interface (HMI) unit, other vehicular control units, and a combination thereof.
• EMS Engine Management System
• TPMS Tire Pressure Monitoring System
• TCU Telematics Control Unit
• ABS Anti-lock Braking System
• BCU Body Control Unit
• HMI Human- Machine Interface
• the ECU either functions standalone or in communication with the MCU.
• the mobile device 112 corresponds to electronic computing devices such as smartphone, tablets, wearable electronics such as smart watch, smart glasses, etc.
• the preset condition for wheel speed as parameter comprises detecting, by the controller 110, the continuous decrease in vehicle speed in comparison to last recorded vehicle speed, and receiving wheel speed signal of only rear wheel.
• the preset condition for fuel level as parameter comprises detecting, by the controller 110, change of fuel level in the disturbed pattern comprising at least one increasing-decreasing values, and detecting the disturbed pattern in the calibratable time duration.
• the disturbed pattern is specifically to detect the sudden movement of fuel in the fuel tank 116 when the vehicle 100 rolls over.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Automation & Control Theory (AREA)
• Combined Controls Of Internal Combustion Engines (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=87554810

Family Applications (1)

Country Status (2)

Family Cites Families (4)

• 2023
  • 2023-08-01 EP EP23750623.3A patent/EP4580913A1/de active Pending
  • 2023-08-01 WO PCT/EP2023/071302 patent/WO2024046687A1/en not_active Ceased

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