Arrangement for controlling the drive power of a motor vehicle

An arrangement for controlling the drive power of a motor vehicle, the arrangement comprising:

• a drive unit for driving the motor vehicle and having at least first and second variables related to the power output developed by said drive unit;
• a first control unit for controlling at least said first variable;
• a second control unit for controlling at least said second variable;
• a measuring device having at least first and second sensors for detecting an operating parameter of at least one of the said drive unit and said motor vehicle;
• said first and second sensors being mutually redundant and having first and second output signals, respectively;
• said first control unit being connected to one of said sensors for receiving the output signal thereof;
• said second control unit being connected to the other one of said sensors for receiving the output signal thereof;
• and,
• each of said control units being adapted to check the output signals applied thereto with respect to plausibility.

An arrangement for controlling the drive power of a motor vehicle, the arrangement comprising:

• a drive unit for driving the motor vehicle and having at least first and second variables related to the power output developed by said drive unit;
• a first control unit for controlling at least said first variable;
• a second control unit for controlling at least said second variable;
• a measuring device having at least first and second sensors for detecting an operating parameter of at least one of the said drive unit and said motor vehicle;
• said first and second sensors being mutually redundant and having first and second output signals, respectively;
• said first control unit being connected to one of said sensors for receiving the output signal thereof;
• said second control unit being connected to the other one of said sensors for receiving the output signal thereof;
• said drive unit being an internal combustion engine having a throttle flap;
• said first control unit being an electronic engine power control unit for adjusting said throttle flap;
• said second control unit being an electronic control unit for controlling at least one of the quantity of fuel metered to the engine and the ignition;
• and,
• wherein a reduction in power occurs in response to a detected deviation after a predetermined time.

An arrangement for controlling the drive power of a motor vehicle, the arrangement comprising:

• a drive unit for driving the motor vehicle and having at least first and second variables related to the power output developed by said drive unit;
• a first control unit for controlling at least said first variable;
• a second control unit for controlling at least said second variable;
• a measuring device having at least first and second sensors for detecting an operating parameter of at least one of the said drive unit and said motor vehicle;
• said first and second sensors being mutually redundant and having first and second output signals, respectively;
• said first control unit being connected to one of said sensors for receiving the output signal thereof;
• and,
• said second control unit being connected to the other one of said sensors for receiving the output signal thereof;
• said drive unit being an internal combustion engine having a throttle flap;
• said first control unit being an electronic engine power control unit for adjusting said throttle flap;
• said second control unit being an electronic control unit for controlling at least one of the quantity of fuel metered to the engine and the ignition;
• and,
• wherein the defective sensor is detected from measurements and/or plausibility checks of the signal trace when the comparison results are the same when a defect is detected in the measuring device.

An arrangement for controlling the drive power of a motor vehicle, the arrangement comprising:

• a drive unit for driving the motor vehicle and having at least first and second variables related to the power output developed by said drive unit;
• a first control unit for controlling at least said first variable;
• a second control unit for controlling at least said second variable;
• a measuring device having at least first and second sensors for detecting an operating parameter of at least one of the said drive unit and said motor vehicle;
• said first and second sensors being mutually redundant and having first and second output signals, respectively;
• said first control unit being connected to one of said sensors for receiving the output signal thereof;
• said second control unit being connected to the other one of said sensors for receiving the output signal thereof;
• said drive unit being an internal combustion engine having a throttle flap;
• said first control unit being an electronic engine power control unit for adjusting said throttle flap;
• said second control unit being an electronic control unit for controlling at least one of the quantity of fuel metered to the engine and the ignition;
• and,
• wherein the control function is carried out on the basis of the non-defective sensor when the defective sensor has been detected.

An arrangement for controlling the drive power of a motor vehicle, the arrangement comprising:

• a drive unit for driving the motor vehicle and having at least first and second variables related to the power output developed by said drive unit;
• a first control unit for controlling at least said first variable;
• a second control unit for controlling at least said second variable;
• a measuring device having at least first and second sensors for detecting an operating parameter of at least one of the said drive unit and said motor vehicle;
• said first and second sensors being mutually redundant and having first and second output signals, respectively;
• said first control unit being connected to one of said sensors for receiving the output signal thereof;
• said second control unit being connected to the other one of said sensors for receiving the output signal thereof;
• said drive unit being an internal combustion engine having a throttle flap;
• said first control unit being an electronic engine power control unit for adjusting said throttle flap;
• said second control unit being an electronic control unit for controlling at least one of the quantity of fuel metered to the engine and the ignition;
• and,
• wherein a reduction in power occurs when a defective sensor has been determined or after a pregiven time after a switchover has taken place to the non-defective sensor.

An arrangement for controlling the drive power of a motor vehicle, the arrangement comprising:

• a drive unit for driving the motor vehicle and having at least first and second variables related to the power output developed by said drive unit;
• a first control unit for controlling at least said first variable;
• a second control unit for controlling at least said second variable;
• a measuring device having at least first and second sensors for detecting an operating parameter of at least one of the said drive unit and said motor vehicle;
• said first and second sensors being mutually redundant and having first and second output signals, respectively;
• said first control unit being connected to one of said sensors for receiving the output signal thereof;
• said second control unit being connected to the other one of said sensors for receiving the output signal thereof;
• said drive unit being an internal combustion engine having a throttle flap;
• said first control unit being an electronic engine power control unit for adjusting said throttle flap;
• said second control unit being an electronic control unit for controlling at least one of the quantity of fuel metered to the engine and the ignition;
• and,
• wherein a fault evaluation takes place only in one of said control units.