A moving body includes a frame, a pair of right and left first wheels, a pair of right and left second wheels, a pair of right and left first parallel links connecting the first wheels and the second wheels, and a second parallel link connecting the pair of right and left first parallel links. Furthermore, a height changing unit connects the second parallel link and the frame and changes a position of the frame in a height direction with respect to the second parallel link, and a controller controls the height changing unit so as to maintain a height of the frame from a road surface.

An air management system and method are provided. The system includes a pressurized air source. A manifold block is coupled to the pressurized air source and includes a plurality of suspension valves in fluid communication with the pressurized air source for controlling air flow to and from a plurality of air springs. An accumulator is coupled to the manifold block for storing air. An accumulator valve is in fluid communication with the plurality of suspension valves and the accumulator to allow exhausted air from the plurality of air springs into the accumulator. An electronic control unit is electrically coupled to the plurality of suspension valves and the accumulator valve for controlling a sequence of operating the accumulator valve and the plurality of suspension valves to provide enhanced exhaust flow from the plurality of air springs to maintain the vehicle in a level orientation while lowering the vehicle.

A vehicle air spring suspension system includes multiple air springs. Each air spring has at least one volume. A valve is fluidly arranged between at least two volumes of the at least one volume of the air springs. The valve is movable between open and closed positions in response to an input. The at least two volumes are fluidly coupled with the valve in the open position. The at least two volumes are fluidly decoupled with the valve in the closed position. At least one vehicle sensor is configured to detect a vehicle attitude condition. A controller is in communication with the valve and the at least one vehicle sensor. The controller is configured to provide the input and selectively adjust the air springs to change the vehicle attitude by raising and/or lowering at least one vehicle wheel relative to a vehicle chassis in response to the input.

A machine for road work can comprise a frame, a plurality of ground engaging units, a plurality of vertically moveable legs, each leg connecting one of the plurality of ground engaging units to the frame, a pair of spatial sensors, such as global navigation satellite system (GNSS) sensors, and a controller configured to, in response to a three-dimensional signal received from each of the spatial sensors, activate at least some of the plurality of vertically moveable legs.

A machine for processing a road construction material includes two or more extendable support units, where each of the two or more extendable support units have a first segment coupled to the frame and a second segment configured to contact a surface to support the frame. The machine also includes an orientation sensor that is configured to measure an orientation of the frame. The machine further includes a distance sensor that configured to measure a distance from the frame to the surface. The machine additionally includes a controller configured to determine, based on the orientation and the distance, a position of at least one extendable support unit of the two or more extendable support units.

In a suspension control system (20) including a variable damper (6fl, 6fr) provided between a vehicle body and each of left and rear front wheels (2fl, 2fr), a ground contact load computation unit (31) computes a front wheel target ground contact load according to a fore and aft acceleration of the vehicle body. A ground contact load distribution unit (32) computes target ground contact loads of the left and right front wheels by varying a distribution of the front wheel target ground contact load between the left front wheel and the right front wheel according to a direction and a magnitude of the fore and aft acceleration and/or a direction and a magnitude of a lateral acceleration of the vehicle body, and a damping force computation unit (33) sets a target damping force of each variable damper according to the target ground contact loads of the front wheels.

A system for vehicle load management including a processor and a memory in communication with the processor and including instructions that, when executed by the processor, cause the processor to receive a first indicator signal from a first sensor. The instructions further cause the processor to, based at least in part to the first indicator signal, determine a vehicle load intervention. The instructions further cause the processor to, based, on the vehicle load intervention, transmit one or more adjustment signals to cause one or more vehicle load adjustments to occur, the one or more vehicle load adjustments including at least one of at least one lire being inflated, the at least one tire being deflated, a liftable axle being raised, and the liftable axle being lowered.

An automatic tilting vehicle including a pair of wheels rotatably supported by wheel carriers and laterally spaced apart and a vehicle tilting device that tilts the vehicle to the inside of a turn when turning. The vehicle tilting device includes a swing member, an actuator that swings the swing member about a swing axis, and a pair of connecting rods pivotally attached to the swing member and the wheel carriers on both lateral sides of the vehicle. Each connecting rod has a preset weakest portion that is buckled to be deformed in a preset direction in a preset area when a buckling load equal to or larger than a preset value is applied.

A machine comprises a frame, a plurality of ground engaging units, a plurality of moveable legs, and a hydraulic system. A first ground engaging unit and a second ground engaging unit connect a first leg and a second leg, respectively, with the frame. The hydraulic system controls heights of the plurality of moveable legs. The hydraulic system comprises a fluid circuit to control fluid between the first and second legs, a load holding valve to control fluid flow into the fluid circuit, and first and second relief valves to control flow of fluid between the first and second legs in opposite directions. A method for controlling slope of a construction machine comprises activating a relief valve connecting right and left lifting cylinders to control flow of hydraulic fluid between the lifting cylinders to control retraction of one of the lifting cylinders from retracting.

Methods and enhanced apparatus used in such methods are described that a dispatched logistics operation for a deliverable item from a hold-at-location (HAL) logistics facility having a secured storage and using a modular autonomous bot apparatus assembly and a dispatch server. The bot apparatus assembly picks up and delivers the item from the HAL facility in response to a delivery dispatch command from the dispatch server. In response, the MAM of the bot verifies compatibility of modular components for the operation, controls receiving of the deliverable item from the secured storage at the HAL facility, then autonomously causes movement to the delivery destination. The MAM notifies the customer before delivery of the approaching delivery, authenticates delivery is to the authorized customer, provides access to the item within the bot apparatus assembly, monitors unloading of the item, then autonomously moves back to the HAL facility.