Analyzing a prosthetic torso with synthetic skin and breast tissue includes monitoring a movement of a prosthetic torso with a sensor, and determining, based on data from the sensor, a viscoelastic characteristic of the prosthetic torso. The movement can include at least one of a jumping motion, a walking motion, or a running motion.

A vehicle test apparatus is provided. The vehicle test apparatus may include a pair of support members and a pair of lateral translation assemblies. Each support member defines a central axis. Each assembly of the pair of lateral translation assemblies may be mounted to an upper end of one of the pair of support members. Each assembly of the pair of lateral translation assemblies may include a front wheelpan mounted to one of the pair of support members for lateral movement relative to a respective central axis. Each assembly of the pair of lateral translation assemblies may further include a hydraulic cylinder arranged with a respective front wheelpan to direct lateral movement thereof.

A fatigue test assessment method for assessing a suspension point of a cylinder block by means of a fatigue test includes: fixing a suspension point of a cylinder block test piece by using a power assembly installation approach; applying a load to the suspension point of the cylinder block test piece in a preset direction; and determining whether the suspension point of the cylinder block fails. The method can ascertain, by means of assessment during a stage of parts testing, whether the structural strength of a suspension point of a cylinder block meets user requirements, so as to predict and prevent breakage of and faults in the suspension point of the cylinder block, thereby enhancing overall test validity.

An oscillating device including a vibrating table, an actuator configured to oscillate the vibrating table in a first direction, a coupling mechanism configured to couple the vibrating table with the actuator in such a manner that the vibrating table is movable relative to the actuator in a second direction orthogonal to the first direction, and a counter balancer attached to the vibrating table and configured to compensate an imbalance of an oscillated portion including at least the vibrating table, the imbalance being caused by attaching the coupling mechanism to the vibrating table.

A vehicle test apparatus is provided. The vehicle test apparatus may include a pair of support members and a pair of lateral translation assemblies. Each support member defines a central axis. Each assembly of the pair of lateral translation assemblies may be mounted to an upper end of one of the pair of support members. Each assembly of the pair of lateral translation assemblies may include a front wheelpan mounted to one of the pair of support members for lateral movement relative to a respective central axis. Each assembly of the pair of lateral translation assemblies may further include a hydraulic cylinder arranged with a respective front wheelpan to direct lateral movement thereof.

A vibrating device is provided that can appropriately reproduce a vibrating state during travel of a vehicle. A vibrating actuator (12) of a vibrating device (1) vibrates a driving wheel W by driving a second roller (16) in a front-rear direction in a state where a lower side portion of the driving wheel W is held between a first roller (17) and the second roller (16). In a case where the wheel W is in a creep state, the second roller (16) is driven so as to rotate in a reverse direction to the driving wheel W by a rotating actuator (170).

There is disclosed a test device for testing high-pressure water tightness function of profiled components, comprising a toggle mechanism comprising a drive assembly and a toggle assembly, the toggle assembly comprising a mounting seat drivingly connected to the drive assembly and several toggle levers mounted to the mounting seat; and a carrier stage configured to carry components to be tested; wherein each toggle lever is provided with a carrier stage directly below the toggle lever, the toggle lever is selectively mated to the component to be tested on the carrier stage, and the drive assembly can reciprocally transmit power along the X-axis direction, and when the toggle lever is in a mating state with the component to be tested on the carrier stage, the toggle lever reciprocated linearly along the X-axis direction under driving of the drive assembly to toggle the component to be tested on the carrier stage.

Systems and methods for modal testing of blades. A method for modal testing of a blade comprises providing a generally spherical fixture for retaining the blade in a fixed-free configuration. The method includes using an excitation device for exciting the blade while the blade is retained within a blade retaining portion of the fixture. The method comprises using a measurement device to measure a response of the blade to the excitation. The fixture includes an attachment portion configured for the securement of the excitation device to the fixture.

An example test system includes a tray to hold devices, where the devices include devices to be tested or devices that have been tested; a motor that is controllable to cause vibrations; and a component that couples the motor to the tray to cause the tray to vibrate in response to the vibrations of the motor.

A machine assessment system of the present disclosure is for a machining tool including a spindle. The machine assessment system includes a calibrated spindle tool configured to couple to a distal end of the spindle, a displacement sensor configured to measure a performance characteristic of the machining tool based on a controlled excitation of the calibrated spindle tool, and a controller communicably coupled to the displacement sensor to acquire the performance characteristic. In measuring the performance characteristic, the displacement sensor is detached from the calibrated spindle tool. The controller is configured perform a machine health assessment based on the performance characteristic.