US 2023/0242128 A1 · DRIVING FORCE ACCELERATION CALCULATION METHOD AND DEVICE THEREOF

Abstract

A driving force acceleration calculation method is executed by a processing module; the driving force acceleration calculation method includes receiving a tilt sensing signal from the tilt sensing unit, a sensed angle and a sensed acceleration from the gravity sensing unit; determining whether the tilt sensing signal is an uphill signal or a downhill signal; when determining that the tilt sensing signal is the uphill signal, calculating a driving force acceleration as the sensed acceleration plus the gravitational acceleration component; when determining that the tilt sensing signal is the downhill signal, calculating the driving force acceleration as the sensed acceleration minus the gravitational acceleration component; outputting the driving force acceleration; the method is able to more accurately calculate the driving force acceleration of a bike, therefore better knowing whether the bike suddenly decelerates.

Claims12

Dependent claims

A driving force acceleration calculation method, executed by a processing module;

wherein the processing module is electrically connected to a gravity sensing unit and a tilt sensing unit, and the driving force acceleration calculation method comprises steps of:
step S10:
receiving a tilt sensing signal from the tilt sensing unit, a sensed angle and a sensed acceleration from the gravity sensing unit, and calculating a gravitational acceleration component according to the sensed angle;
step S20:
determining whether the tilt sensing signal is an uphill signal or a downhill signal;
step S30A:
when determining that the tilt sensing signal is the uphill signal, calculating a driving force acceleration as the sensed acceleration plus the gravitational acceleration component;
step S30B:
when determining that the tilt sensing signal is the downhill signal, calculating the driving force acceleration as the sensed acceleration minus the gravitational acceleration component;
step S40:
outputting the driving force acceleration.

8 more elements

A driving force acceleration calculation device, comprising:

a gravity sensing unit, generating a sensed angle by sensing a direction of gravitational pull, and generating a sensed acceleration by sensing speed changes;
a tilt sensing unit, generating a tilt sensing signal by sensing tilt;
a processing module, electrically connecting the gravity sensing unit and the tilt sensing unit, receiving the tilt sensing signal from the tilt sensing unit, the sensed angle and the sensed acceleration from the gravity sensing unit, and calculating a gravitational acceleration component according to the sensed angle;
wherein the processing module determines whether the tilt sensing signal is an uphill signal or a downhill signal;
when the processing module determines the tilt sensing signal is the uphill signal, the processing module calculates a driving force acceleration as the sensed acceleration plus the gravitational acceleration component;
when the processing module determines the tilt sensing signal is the downhill signal, the processing signal calculates the driving force acceleration as the sensed acceleration minus the gravitational acceleration component;
the processing module further outputs the driving force acceleration.

4 more elements

Dependencies are inferred from the claim text.

Driving force acceleration calculation method and device thereof

Life of this patent

Driving force acceleration calculation method and device thereof

Life of this patent

Abstract

Claims12