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公开(公告)号：US20250084875A1
公开(公告)日：2025-03-13
申请号：US18827238
申请日：2024-09-06
Applicant: ILLINOIS TOOL WORKS INC.
Inventor： Jonathan Plant , Bruce Anderson , Kevin Carlson
Abstract: A power and signal distribution hub for providing power and operating signals to a plurality of channels of a testing system for operating one or more hydraulic actuators to apply loads to a test article is provided. The power and signal distribution hub includes a first power supply and a second power supply, connected to load share power to the testing system, the first power supply and the second power supply configured to distribute electrical power to the plurality of channels of the testing system. A monitoring circuit for each power supply configured to monitor operation of its respective power supply, and to provide a signal indicative of operation of its power supply outside of normal operation parameters of the power supply.
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公开(公告)号：US20250076166A1
公开(公告)日：2025-03-06
申请号：US18816771
申请日：2024-08-27
Applicant: ILLINOIS TOOL WORKS INC.
Inventor： James Hennen , Bruce Anderson , Stephen Zachman , Tom Byron , Ian Kugel , Matt Schon
Abstract: In a method of controlling a hydraulic actuator of a test station, a differential signal is generated based on a difference between a reference signal and a feedback signal using an actuator controller. A flow rate control circuit is set in one of a first state and a second state based on a flow rate attenuation signal. The differential signal is delivered to the control valve as an actuator command signal when the flow rate control circuit is in the first state. An attenuated differential signal is delivered to the control valve as the actuator command signal when the flow rate control circuit is in the second state. A flow rate and a direction of the hydraulic fluid flow is controlled based on the actuator command signal. The flow rate corresponding to the attenuated differential signal is less than the flow rate corresponding to the differential signal.
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公开(公告)号：US20250085204A1
公开(公告)日：2025-03-13
申请号：US18827229
申请日：2024-09-06
Applicant: ILLINOIS TOOL WORKS INC.
Inventor： Jonathan Plant , Bruce Anderson , Kevin Carlson
IPC: G01N3/10
Abstract: A method for unloading a load on a test article in a testing system includes determining a load differential in at least one of a calculated load at a valve for an actuator of the testing system and a calculated load on a load cell coupled to the actuator. A controlled unload of the load on the test article is initiated via a system controller when the determined load differential a reaches a first level. An interlock unload of the load on the test article is performed via the valve when the determined load differential reaches a second level higher than the first level.
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