Motor speed sensor advancement emulation and compensation

A method of initializing neutral commutation, comprising:

• initializing a first driving signal to drive a motor;
• receiving a tachometer signal from a speed sensor for the motor;
• measuring a pulse time based on the received tachometer signal;
• calculating a commutation countdown value by subtracting an initial advancing time from the pulse time if the calculated motor speed is lower than a minimum pre-determined threshold;
• and
• commutating outputs to the motor including generating a second driving signal if the commutation countdown value has elapsed.

A method of driving a motor, comprising:

• calculating an advancement time based on a motor's efficiency;
• utilizing a tachometer signal transmitted from a speed sensor for the motor to to measure a time between pulses of the tachometer signal;
• subtracting the advancement time from the the time between pulses to generate a commutation countdown time;
• and
• commutating outputs from a controller to the motor when the commutation countdown time has elapsed.

A method of initializing neutral commutation, comprising:

• initializing a first driving signal to drive a motor;
• receiving a tachometer signal from a speed sensor for the motor;
• calculating a time between pulses of a tachometer signal based on the received tachometer signal;
• calculating a commutation countdown value by subtracting an initial advancing time from the time between pulses of the tachometer signal if the time between pulses of the tachometer signal is lower than a minimum pre-determined threshold;
• and
• commutating outputs to the motor, including generating a second driving signal, if the commutation countdown value has elapsed.

A microcontroller to drive a motor, comprising:

• a determination module to receive a tachometer signal from a speed sensor for the motor, to to determine a time between pulses of the tachometer signal from the tachometer signal, and to transmit the time between pulses of the tachometer signal;
• an advancing analyzation module to receive the time between pulses of the tachometer signal, to calculate a commutation countdown time by subtracting an advancement time from the time between pulses of the tachometer signal, and to transmit the commutation countdown time,
• a counting module to receive the commutation countdown time, and to transmit a commutation signal once the commutation countdown time has expired;
• and
• a commutation output module to receive the commutation signal and to switch outputs of the microcontroller to the motor upon receipt of the commutation signal.

A device, comprising:

• a driving device to receive a driving signal and to transmit the driving signal;
• a motor to receive the driving signal and to operate the device based on the driving signal;
• a speed sensor to monitor the speed of the motor and to transmit a tachometer signal;
• and
• a microcontroller to receive the tachometer signal and to generate the driving signal, including,
• a speed determination module to receive the tachometer signal from the speed sensor, to measure a time between pulses of the tachometer signal, and to transmit the time between the pulses of the tachometer signal;
• an advancing analyzation module to receive the time between the pulses of the tachometer signal, to calculate a commutation countdown time by subtracting an advancement time from the time between the pulses of the tachometer signal, and to transmit the commutation countdown time,
• a counting module to receive the commutation countdown time, and to transmit a commutation signal once the commutation countdown time has expired;
• and
• a commutation output module to receive the commutation signal and to switch outputs of the driving signal generated by the microcontroller upon receipt of the commutation signal.

A computer-readable medium having encoded thereon a computer-readable program code which when executed causes a microcontroller to:

• calculate an emulated advancement time based on a motor's efficiency;
• measure a time for one revolution of a rotor of the motor;
• subtract the emulated advancement time from the time for the one revolution of the rotor to generate a commutation countdown time;
• and
• commutate outputs from a controller when the commutation countdown time has elapsed.

A computer-readable medium having encoded thereon computer-readable program code which when executed causes a microcontroller to:

• initialize a first driving signal to drive a motor;
• receive a tachometer signal from a speed sensor for the motor;
• calculate a time between pulses of the tachometer signal based on the received tachometer signal;
• calculate a commutation countdown value by subtracting an initial advancing time from the time between the pulses of the tachometer signal if the time between the pulses of the tachometer signal is lower than a minimum pre-determined threshold;
• and
• commutate outputs for the motor, including generating a second driving signal if the commutation countdown value has elapsed.