Abstract: An instrument panel includes a frame defining an opening, a plurality of cards, and an HMI. The cards have a front face, a rear face, one or more circuits, and a data interface on the rear face in communication with the circuits. The cards include one or more first cards and one or more second cards. The first cards front face have a vertical dimension approximately equal to a vertical dimension of the opening. The second cards have a body, a nose projecting from the body defining the second cards front face, and a recess between the nose and body. The HMI includes a front face received within the opening. The first cards are positioned with the front face visible within the opening. The second cards are positioned with the nose visible within the opening and a depth of the HMI received within the recess.

Abstract: A trailer for towing by a power vehicle is provided and generally includes a frame, a tandem wheel assembly and an extension assembly. The frame forms an undercarriage chassis and the tandem wheel assembly is positioned under the undercarriage chassis. The tandem wheel assembly includes a front wheel assembly and a rear wheel assembly having a drive assembly. The extension assembly moves the front wheel assembly between trailing position and a self-propelled position.

Abstract: A vehicle jacking assembly for selectively raising a wheel of a vehicle for changing a tire includes a plurality of cylinders and an actuator. Each cylinder is configured to be coupled to a frame of a vehicle proximate to a respective wheel of the vehicle. The cylinder comprises a plurality of nested sections so that the cylinder is selectively extensible. The actuator is configured to be coupled to the vehicle and to be operationally coupled to an electrical circuit of the vehicle. The actuator is operationally coupled to the plurality of cylinders so that the actuator is positioned to selectively actuate a respective cylinder to extend the respective cylinder from the frame of the vehicle so that the respective cylinder contacts a surface. The respective cylinder thus is configured to raise an associated wheel of the vehicle from the surface, allowing a tire of the wheel to be changed.

Abstract: A system for cooling an inductively coupled plasma (ICP) instrument includes: the ICP instrument; a pump in fluid communication with the instrument via a first conduit; and a micro-channel heat exchanger in fluid communication with the instrument via a second conduit, and in fluid communication with the pump via a third conduit. The pump is configured to generate a pump outlet pressure of coolant that exceeds a back pressure of the instrument such that a pressure of the coolant traveling through the second conduit and into the heat exchanger is less than or equal to 5 pounds per square inch (psi) above atmospheric pressure, as measured at an inlet to the heat exchanger.

Abstract: A method includes interpreting a contactor open event and a contactor load value for a contactor positioned on a motive power circuit for a mobile application, determining that a contactor opening event under load has occurred in response to the contactor open event and the contactor load value, and updating a contactor wear condition in response to the contactor opening event under load, wherein updating the contactor wear condition comprises accumulating a number of the contactor opening events under load.

Abstract: A trailer for towing by a power vehicle is provided and generally includes a frame and a tandem wheel assembly. The frame forms an undercarriage chassis and the tandem wheel assembly positioned under the undercarriage chassis. The tandem wheel assembly includes a rear wheel assembly and a front wheel assembly. An extension assembly is provided and moves the front wheel assembly between trailing position and a self-propelled position where the rear wheel assembly and the front wheel assembly are positioned to equally support the undercarriage chassis.

Abstract: A trailer for towing by a power vehicle is provided and generally includes a frame and a tandem wheel assembly. The trailer is provided with a drive assembly having a locking mechanism to selectively engage the drive from the motor to the wheels of the trailer. The locking mechanism having a reciprocating pushing member that may push an urging member to act upon a flanged driveshaft to selectively engage a clutch of the drive assembly.

Abstract: A trailer for towing by a power vehicle is provided and generally includes a frame and a tandem wheel assembly. The frame forms an undercarriage chassis which the tandem wheel assembly is positioned there under. The undercarriage chassis includes a rear wheel assembly, a front wheel assembly, and an extension assembly moving the front wheel assembly between trailing position and a self-propelled position. At least one of the wheel assemblies is powered by a selectively engageable drive assembly including a motor, transmission, driveshaft, selectively engageable clutch and hub, to drive the rotation of at least one of the wheels.

Abstract: A mobile application includes a breaker/relay that includes a plurality of fixed contacts electrically coupled to a power bus, a plurality of corresponding moveable contacts that are selectively electrically coupled to the plurality of fixed contacts, allowing power flow through the power bus when electrically coupled to the fixed contacts and preventing power flow when not electrically coupled, an armature operationally coupled to at least one of the moveable contacts, such that the armature prevents electrical coupling between the at least one of the moveable contacts and the corresponding one of the fixed contacts when in a first position and allows electrical coupling when in a second position, a first biasing member biasing the armature into the first position or the second position; and an arc suppression assembly structured to guide and disperse an opening arc between each of the plurality of moveable contacts and the corresponding fixed contacts.

Abstract: Provided herein are various improvements to optical-inertial stabilization systems, such as those employed on electro-optical systems that receive or emit optical energy. In one example, a system includes an optical reference element rigidly coupled to a primary mirror. The optical reference element propagates a reference signal through optic elements that form at least a portion of an optical path corresponding to the primary mirror. A measurement of the reference signal is made after propagation through the optic elements to determine errors associated with the optical path. The system can also include inertial sensors rigidly coupled to the primary mirror and optical reference element to form an assembly. The inertial sensors are configured to measure inertial rotation of the assembly. Rotational adjustments about two axes can be produced for the assembly based at least on the inertial rotation properties to correct for disturbance or drift.

Abstract: A method includes interpreting a contactor open event and a contactor load value for a contactor positioned on a motive power circuit for a mobile application, determining that a contactor opening event under load has occurred in response to the contactor open event and the contactor load value, and updating a contactor wear condition in response to the contactor opening event under load, wherein updating the contactor wear condition comprises accumulating a number of the contactor opening events under load.

Abstract: A system including a vehicle having a motive electrical power path, a power distribution unit comprising a current protection circuit disposed in the motive electrical power path, the current protection circuit comprising a thermal fuse and a contactor in a series arrangement with the thermal fuse. The system further including a current source circuit electrically coupled to the thermal fuse and structured to inject a current across the thermal fuse, a hardware filter electrically coupled to the thermal fuse, the hardware filter comprising a cutoff frequency determined in response to an injection frequency of the current source circuit, and sa voltage determination circuit electrically coupled to the thermal fuse and structured to determine an injected voltage amount in response to the filtered injected current.

Abstract: A trailer for towing a power vehicle with a towable frame forming an undercarriage chassis and a tandem wheel assembly positioned under the undercarriage chassis. The tandem wheel assembly having a first wheel assembly, a second wheel assembly and an extension assembly moving the second wheel assembly along a longitudinal axis of the chassis between trailing position and self-propelled position, with the first wheel assembly and the second wheel assembly are positioned to support the undercarriage chassis.

Abstract: A steering assembly system is provided having a steering actuator comprising a double rod end cylinder having: a cylinder barrel having a length, a first end with a first cap, and a second end with a second cap, and a first, second and third fluid port, each respectively in fluid communication with a first, second, and third chamber; a piston rod having a first rod end and a second rod end with a length extending therebetween, and the first rod end extending through the first cap and the second rod end extending through the second cap of the cylinder barrel; a first piston having a first dimension and mechanically secured at a point along the length of the main piston rod; a second piston having a second dimension larger than the first dimension of the first piston, and main piston rod extending through at least the length of the barrel.

Abstract: An apparatus to determine offset voltage to adjust a fuse current determination including a fuse load circuit structured to determine that no current is demanded for a fuse load, and to further determine that contactors associated with the fuse are open, an offset voltage determination circuit structured to determine an offset voltage corresponding to at least one component in a fuse circuit associated with the fuse, in response to the determining that no current is demanded for the fuse load, and an offset data management circuit structured to store the offset voltage, and to communicate a current calculation offset voltage for use by a controller to determine current flow through the fuse.

Abstract: A system includes a vehicle comprising a motive electrical power path; a power distribution unit comprising a current protection circuit disposed in the motive electrical power path, the current protection circuit comprising a fuse; a current source circuit electrically coupled to the fuse and structured to inject a current across the fuse; and a voltage determination circuit electrically coupled to the fuse and structured to determine at least one of an injected voltage value and a fuse impedance value.

Abstract: A vehicle drive system is provided and generally includes a hub assembly, a drive assembly and a clutch assembly. The hub assembly having wheel hub upon which a wheel assembly is secured. The drive assembly is configured to selectively transmit a motive force to cause the hub to turn. The drive assembly includes a motor with a rotatable motor output shaft, a transmission assembly connected to the motor and receiving in the rotatable motor output shaft into an input opening therein, and a driveshaft connected to an output from the transmission assembly. The clutch assembly connected to the hub assembly and engagebale to the driveshaft.

Abstract: A system includes a vehicle including a motive electrical power path and at least one auxiliary electrical power path; a power distribution unit having a motive current protection circuit disposed in the motive electrical power path, the motive current protection circuit including a fuse; an auxiliary current protection circuit disposed in each of the at least one auxiliary electrical power path, each auxiliary current protection circuit including an auxiliary fuse; a motive current sensor electrically coupled to the motive electrical power path, where the motive current sensor is configured to provide a motive current value; and at least one auxiliary current sensor, each auxiliary current sensor electrically coupled to one of the at least one auxiliary electrical power path, each auxiliary current sensor configured to provide a corresponding auxiliary current value.

Abstract: A multi-port power converter includes a housing that includes a plurality of ports structured to electrically interface to a plurality of loads, the plurality of loads having distinct electrical characteristics. The multi-port power converter also includes a plurality of solid state components configured to provide selected electrical power outputs and to accept selected electrical power inputs and a plurality of solid state switches configured to provide selected connectivity between the plurality of solid state components and the plurality of ports.