Eden Prairie, MN, United States
Eden Prairie, MN, United States

MTS Systems Corporation , incorporated in 1967, is a global supplier of test systems and industrial position sensors located in Eden Prairie, Minnesota, a southwest suburb of Minneapolis. The company provides mechanical test systems, material testing, fatigue testing and tensile testing services, as well as motion simulation systems and calibration services. Examples of MTS products include: hydraulic actuators,rolling road simulators, shaker tables and medical testing equipment.The Company operates in two segments: the Test segment and the Sensors segment. During the fiscal year ended October 1, 2011, the Test and Sensors segments represented approximately 80% and 20% of the company's revenue, respectively. The Test segment provides testing solutions, including hardware, software and after market support. The Sensors segment products are used by industrial machinery and mobile equipment manufacturers to automate the operation of their products.Test SegmentProducts produced by this segment are used by customers in their development of products and certain applications to characterize the products' mechanical properties. MTS' test systems simulate forces and motions that customers' products are expected to encounter in use. A test system includes a load frame to hold the prototype specimen, a hydraulic pump or electro-mechanical power source, piston actuators to create the force or motion, and a computer controller with specialized software to coordinate the actuator movement and record and manipulate results. MTS' Test segment sells a variety of accessories and spare parts, along with services that include installation, calibration, maintenance, training and consulting. The Test segment has a range of customers in the United States of America, Europe and Asia, which respectively represent approximately 30%, 30% and 40% of total orders.Products and customers are grouped into three global markets: Ground Vehicles, Materials and Structures. The Ground Vehicles market consists of automobile, truck, motorcycle, motorsports vehicle, construction equipment, agricultural equipment, rail, and off-road vehicle manufacturers and their suppliers. Test segment system and service products are used in the Ground Vehicles market for the testing of vehicles, subsystems and components. The Materials market covers diverse industries, including power generation, aerospace, vehicles, and bio-medical. Test segment products are sold worldwide through a direct field sales and service organization as well as through independent representatives.The Company’s products and services support customers in the research and development of products through the physical characterization of materials, such as ceramics, composites and steel. Bio-medical applications include systems to test durability and performance of implants, prostheses, and other medical and dental materials and devices. Structures market serves the structural testing needs in the fields of aerospace, wind energy, structural engineering, and petroleum, among others. The aerospace structural testing market consists of manufacturers of commercial, military, and private aircraft and their suppliers. The wind energy market consists of wind turbine manufacturers and their component suppliers. Structural engineering customers include government agencies, universities and the manufacturers of building materials.Sensors SegmentThe industries that use the Company’s Sensor segment’s products include manufacturers of plastic injection molding machines, steel mills, fluid power, oil and gas, medical, wood product processing equipment, mobile equipment, and alternative energy. Sensors segment products are also used to measure fluid displacement, such as liquid levels for customers in the process industries. The Sensors segment manufactures products utilizing magnetostriction technology. MTS has developed an implementation of the technology, known as Temposonics. Its Sensors segment has a range of customers in the United States of America, Europe and Asia represents approximately 25%, 50% and 25% of orders, respectively. Sensors segment products are sold worldwide through a direct sales organization, as well as through independent distributors.MTS Systems Corp. was fined $400,000 after pleading guilty on March 12, 2008 for submitting false US export license applications on proposed shipments to India. The company admitted to two misdemeanor counts of "false certification or writing" by omitting information linked to nuclear power plant test equipment. In March 2011, MTS disclosed that it was again under investigation and barred from bidding on new government contracts. On September 2011 the ban imposed by the Air Force was lifted, allowing MTS Systems to bid on new government contracts and to continue existing government contracts. MTS Systems settled all investigations with the U.S. Government and took measures to ensure government contracting standards were met. "We are happy to put the government investigation behind us. We have made great progress to ensure we meet the U.S. government's contractor standards and we are committed to meeting these requirements every day," MTS Systems CEO Jeffrey Graves said in a statement. Wikipedia.


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Systems and methods are provided for controlling the simulation of a coupled hybrid dynamic system. A physical test rig configured to drive the physical structure component of the system and to generate a test rig response as a result of applying a test rig drive signal. A processor is configured with a virtual model of a complementary system to the physical structure component. The processor receives the test rig response and generates a response of the complementary system based on a received test rig response. The system can be driven with a random input. The processor compares the test rig response with the response of the complementary system, the difference being used to form a system dynamic response model.


Patent
MTS Systems | Date: 2017-04-12

An environmental chamber (104) includes an enclosure having opposed walls (106) each wall (106) having an aperture (108) of size to receive a test specimen support (111) therethrough. The apertures (108) are aligned with each other along on a reference axis (107). A forced air source (1204) is configured to supply forced air in a direction to intersect with the reference axis (104) within the enclosure. A diverter (300; 400; 700) is positioned between the forced air source (1204) and the reference axis (109). The diverter (300; 400; 700) is configured to receive the forced air and control the air flow past different portions of the reference axis (107). The environmental chamber (104) is used with a load frame (100) having test specimen supports (111; 1020; 1021) extending into the opposed apertures (108). A method of directing more force air at the test specimen supports (111; 1020; 1021) than at at least a portion of the test specimen (102; 1011) to maintain a selected temperature gradient in the test specimen (102; 1011) is also provided.


A system and method for testing a test vehicle or a system on the test vehicle for warning the presence of an object proximate the test vehicle or a system to avoid a collision includes a self-powered, independently movable target configured to be positioned proximate the test vehicle, the target comprising a support frame having wheels, a motor operably coupled to one or more wheels, brakes operably coupled to each wheel and a control system coupled to the motor, brakes and wheels and configured to control acceleration, braking and steering of the wheels, and a collision avoidance system operable with the control system and configured to control the target to avoid a collision with the test vehicle.


Patent
MTS Systems | Date: 2015-06-08

An environmental chamber includes an enclosure having opposed walls each wall having an aperture of size to receive a test specimen support therethrough. The apertures are aligned with each other along on a reference axis. A forced air source is configured to supply forced air in a direction to intersect with the reference axis within the enclosure. A diverter is positioned between the forced air source and the reference axis. The diverter is configured to receive the forced air and control the air flow past different portions of the reference axis. The environmental chamber is used with a load frame having test specimen supports extending into the opposed apertures. A method of directing more force air at the test specimen supports than at at least a portion of the test specimen to maintain a selected temperature gradient in the test specimen is also provided.


Patent
MTS Systems | Date: 2016-05-06

A load cell body for transmitting forces and moments in plural directions is disclosed. The load cell body comprises a first member, a second member and a plurality of pairs of support columns. The second member includes a plurality of apertures, where a portion of a plurality of portions of the first member extends into each aperture. The plurality of pairs of support column columns are configured for each portion of the first member and the corresponding aperture of the second member, such that each pair of support columns connects the corresponding portion of the first member to the second member.


A method and an arrangement of controlling simulation of a coupled hybrid dynamic system comprising a component under test and a virtual model includes driving the physical component under test of the system on a test rig over a period of time to conduct a test by applying an initial test drive signal input to the test rig to generate a test rig response. At least a portion of the test rig response is inputted into the virtual model of the system to obtain a model response of the system. A condition of the physical component under test is assessed during at least a portion of the period of time to conduct the test based on comparing another portion of the test rig response with the model response where an output relating to the assessment is recorded or rendered.


Patent
MTS Systems | Date: 2014-08-01

In one aspect, a platform balance includes a frame support, and at least three spaced-apart transducer bodies coupled to the frame support. Each transducer body includes a support having clevis halves. The sensor body includes a generally rigid peripheral member disposed about a spaced-apart central hub joined to each of the clevis halves. At least three flexure components couple the peripheral member to the hub. The flexure components are spaced-apart from each other at generally equal angle intervals about the hub; the sensor body further including a flexure assembly for some flexure components joining the flexure component to at least one of the hub and the peripheral member, the flexure assembly being compliant for forces in a radial direction from the hub to the peripheral member. Each flexure assembly is configured such that forces transferred concentrate strain at a midpoint along the length of each corresponding flexure component.


A system for controlling a speed of a pump jack system having a variable speed prime mover includes a sensor attached to the pump jack system. The sensor is capable of detecting an absolute position of a first component of the pump jack system relative to a second component of the pump jack system and configured to send a signal proportional to the sensed absolute position and/or velocity and/or acceleration. The system includes process circuitry configured to accept the signal and perform a calculation related to absolute position and/or velocity and/or acceleration of the first component relative to the second component. The system includes a controller that is configured to receive the signal from the process circuitry and configured to send a signal to the prime mover to adjust a rotational speed of the prime mover and the position of the first component relative to the second component.


A test system and method for testing a coupled hybrid dynamic system in simulated motion along a path (242) includes a physical test rig (206) configured to test a physical component (208). A processor (30) is configured with modeled test data (218), a first virtual model portion and a second virtual model portion of the coupled hybrid dynamic system, the first virtual model portion (204), the second virtual model (202) portion and the physical component (80) comprising the coupled hybrid dynamic system. The processor (30) is configured to control the test rig (206) such that the component under test (208) responds to the second virtual model portion (202), that in turn receives a first input (272) comprising the modeled test data (218), a second input (216) being motion of the first virtual model portion (204) of the coupled hybrid dynamic system, a third input (214) being a control mode response from the test rig having (206) the physical component (208) under test and a fourth input (272) comprising guidance controls for the coupled hybrid dynamic system.


A vehicle control system for use on a roll-unstable wheeled vehicle, such as a motorcycle or an all-terrain vehicle (ATV) to assist in control the vehicle. The vehicle control system comprises a moment generator coupleable to the vehicle and configured to selectively generate a moment in either of first and second directions. The vehicle control system also includes a control system operably coupled to the moment generator and configured to control the moment generator to selectively impart moments on the vehicle to stabilize the vehicle or to introduce disturbances on the vehicle.

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