Systems and methods for a crank sensor having multiple sensors and a magnetic element

A non-transitory computer-readable storage medium storing instructions that, when executed by a computer, causes the computer to perform a method for crankshaft tooth sensing for a crank pulse wheel of a vehicle:

• identifying a first tooth characteristic of a tooth of a plurality of teeth on the crank pulse wheel with a crankshaft sensor having a magnetic element, a first sensor element, and a second sensor element, wherein the plurality of teeth are arranged in a single track on the crank pulse wheel, and wherein the first tooth characteristic identified by the first sensor element sensing along a first axis of a magnetic field generated by the magnetic element;
• identifying a second tooth characteristic of the tooth with the second sensor element sensing along a second axis of the magnetic field generated by the magnetic element;
• identifying a tooth type for the tooth based on the first tooth characteristic and the second tooth characteristic
• identifying a sliding buffer for a set of N teeth of the plurality of teeth on the crank pulse wheel, wherein N is a positive integer less than a total number of teeth of the crank pulse wheel;
• calculating a buffer value for the sliding buffer corresponding to the N set of teeth represented in the sliding buffer;
• and
• determining an angular position of the crank pulse wheel based on the buffer value.

A system for crankshaft tooth sensing for a crank pulse wheel of a vehicle, the system comprising:

• a plurality of teeth on the crank pulse wheel arranged in a single track;
• a crankshaft sensor having a magnetic element interposed between and separating a first sensor element and a second sensor element, wherein the first sensor element and the second sensor element are magnetic sensing devices;
• a processor;
• and
• a memory storing instructions that are executed by the processor and cause the processor to:
• identifying a first tooth characteristic of a tooth of the plurality of teeth on the crank pulse wheel with the first sensor element of the crankshaft sensor that senses along a first axis of a magnetic field generated by the magnetic element;
• identifying a second tooth characteristic of the tooth of the plurality of teeth with the second sensor element senses along a second axis of the magnetic field generated by the magnetic element;
• identifying a tooth type for the tooth based on the first tooth characteristic and the second tooth characteristic
• identifying a sliding buffer for a set of N teeth of the plurality of teeth on the crank pulse wheel, wherein N is a positive integer less than a total number of teeth of the crank pulse wheel;
• calculating a buffer value for the sliding buffer corresponding to the N set of teeth represented in the sliding buffer;
• and
• determining an angular position of the crank pulse wheel based on the buffer value.