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A mixing system and mixing method are provided. The mixing system includes a tank assembly, a container positioned within the tank assembly, a mixer disposed within a compartment of the container, a linear motor, and a shaft having a first end secured to the mixer and an opposing second end secured

A mixing system and mixing method are provided. The mixing system includes a tank assembly, a container positioned within the tank assembly, a mixer disposed within a compartment of the container, a linear motor, and a shaft having a first end secured to the mixer and an opposing second end secured to the linear motor. The linear motor provides a variable stroke length for the shaft. The mixing method includes providing a tank assembly having a linear motor, positioning a mixing assembly including a mixing bag in the tank assembly, combining two or more components in a compartment of the mixing bag, attaching a mixing shaft extending from a mixer disposed within the mixing bag to the linear motor, and raising and lowering the mixing shaft to mix the two or more components. A stroke length of the mixing shaft during the raising and lowering is varied.

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1. A mixing system, comprising: a tank assembly;a container positioned within the tank assembly;a mixer disposed within a compartment of the container;a linear motor;a shaft having a first end secured to the mixer and an opposing second end secured to the linear motor; anda measurement device arrang

1. A mixing system, comprising: a tank assembly;a container positioned within the tank assembly;a mixer disposed within a compartment of the container;a linear motor;a shaft having a first end secured to the mixer and an opposing second end secured to the linear motor; anda measurement device arranged and disposed to measure a thickness of a settlement within the compartment of the container;wherein the measurement device provides measurements to the linear motor; andwherein a stroke length of the linear motor is configured to vary in length in response to measurements from the measurement device. 2. The mixing system of claim 1, wherein the linear motor comprises a servo motor. 3. The mixing system of claim 1, wherein the linear motor is selected from the group consisting of a linear actuator, air cylinders, and combinations thereof. 4. The mixing system of claim 1, wherein the stroke length of the linear motor is varied without adjusting a fixed crank. 5. The mixing system of claim 1, wherein the linear motor provides an infinitely variable stroke length. 6. The mixing system of claim 1, wherein the measurement device further comprises an optical interface sensor. 7. The mixing system of claim 1, wherein the tank assembly comprises a plurality of tank assemblies. 8. The mixing system of claim 1, wherein the tank assembly comprises: a side wall extending between an open upper end and an open lower end, the side wall enclosing a chamber therein; andan adjustable floor positioned within the chamber, the adjustable floor having an opening extending therethrough. 9. The mixing system of claim 8, wherein the linear motor is secured to the adjustable floor. 10. The mixing system of claim 9, wherein the adjustable floor and linear motor are configured such that raising or lowering the adjustable floor raises or lowers the linear motor. 11. The mixing system of claim 1, wherein the opposing second end of the shaft is detachably secured to the linear motor. 12. A mixing system, comprising: a tank assembly including a side wall and a floor defining a chamber;a container positioned within the chamber;a mixer disposed within a compartment of the container;a servo motor;a shaft having a first end secured to the mixer and an opposing second end extending from the container and secured to the servo motor; anda sensor to measure a thickness of a settlement within the container;wherein a stroke length of the servo motor is configured to vary in length in response to measurements from the sensor.