Provided is a test apparatus for an actuator, which can easily switch whether to establish or undo the coupling between an actuator to be tested and a load part configured to apply load to the actuator. A test apparatus for an actuator includes a load part for outputting load to be applied to an actuator to be tested, first levers for swinging around a rotational shaft in connection with an output from the load part, an idler link coupled to the output from the actuator to be tested, a second lever coupled to the idler link in a swingable manner and for swinging around a rotational shaft that is arranged coaxially with the rotational shaft of the first levers, and a clutch mechanism for coupling together the first levers and the second lever and undoing the coupling.

Provided is a test apparatus for an actuator, which can easily switch whether to establish or undo the coupling between an actuator to be tested and a load part configured to apply load to the actuator. A test apparatus for an actuator includes a load part for outputting load to be applied to an actuator to be tested, first levers for swinging around a rotational shaft in connection with an output from the load part, an idler link coupled to the output from the actuator to be tested, a second lever coupled to the idler link in a swingable manner and for swinging around a rotational shaft that is arranged coaxially with the rotational shaft of the first levers, and a clutch mechanism for coupling together the first levers and the second lever and undoing the coupling.

This invention is directed to a testing apparatus for testing a vehicle drive system by connecting load devices to the vehicle drive system, wherein the testing apparatus includes a handle operation amount input part for inputting a handle operation amount corresponding to a handle operation of a vehicle, an accelerator operation amount input part for inputting an accelerator operation amount corresponding to an accelerator operation of the vehicle, a brake operation amount input part for inputting a brake operation amount corresponding to a brake operation of the vehicle, and a control part for controlling the load devices based on the operation amounts simultaneously inputted by at least two of the handle operation amount input part, the accelerator operation amount input part and the brake operation amount input part.

In order to be able to test an assembly of components of a vehicle on a test stand with improved dynamics, it is provided to calculate, in a simulation unit (20) using a simulation model (21) for the at least one component of the assembly, the instantaneous drive train rotary speed (n.sub.P) of this component from a drive train torque (T.sub.P) acting in the drive train (2) and the braking effect (B) of the braking system (11), and the calculated instantaneous drive train rotary speed (n.sub.P) is used by the vehicle control device (14) for calculating the at least one component, and the calculated drive train rotary speed (n.sub.P) is used by a drive controller (23) for controlling the load machine (8).

A brake test stand includes at least one driving motor that is coupled, via at least one torque transmitting device to a load generator and at least one brake to be tested, wherein the driving motor provides the energy to be converted by the brake to be tested and the load generator accepts the energy provided by the driving motor at least prior to the brake test.

This design method is provided with a design process for a computer to design a μ controller satisfying a prescribed design condition in a feedback control system provided with the μ controller and a generalized plant. Set in the design process are: an integration operation amount calculation unit which calculates an integration operation amount; a summing unit which sums the output from the μ controller and the integration operation amount and generates an input to a nominal plant; a first control amount output port which outputs, as a first control amount output, an output obtained by multiplying the deviation input by a weight function Ge(s); and a second control amount output port which outputs, as a second control amount output, an output obtained by multiplying the output from the μ controller by a weight function Gip(s).

This design method is provided with a design process for a computer to design a μ controller satisfying a prescribed design condition in a feedback control system provided with the μ controller and a generalized plant. Set in the design process are: an integration operation amount calculation unit which calculates an integration operation amount; a summing unit which sums the output from the μ controller and the integration operation amount and generates an input to a nominal plant; a first control amount output port which outputs, as a first control amount output, an output obtained by multiplying the deviation input by a weight function Ge(s); and a second control amount output port which outputs, as a second control amount output, an output obtained by multiplying the output from the μ controller by a weight function Gip(s).

The present invention is one that reproduces behavior close to an actual run of a vehicle in a test using a loading device, and is a specimen test apparatus that tests a specimen that is a vehicle or a part of a vehicle. The vehicle test apparatus includes: a loading device that is connected to a rotating shaft of the specimen and gives running resistance to the rotating shaft; a storage part that stores tire diameter data indicating the relationship between a running state of the specimen and a tire diameter; and a control part that, from the tire diameter data, calculates a tire diameter corresponding to a running state of the specimen, and controls the loading device with use of running resistance obtained from the calculated tire diameter.

The present disclosure discloses an experimental system and method capable of simulating a non-inertial system of gear transmission, and relates to the field of aviation power transmission. The experimental system includes a gear transmission experiment table, a linear motion platform and an electric vibration table. The linear motion platform drives the gear transmission experiment table to perform horizontal linear acceleration motion to simulate a non-inertial system for linear acceleration of gear transmission. The electric vibration table drives the gear transmission experiment table to rotate back and forth around a horizontal shaft to simulate a non-inertial system for pitching of gear transmission. The electric vibration table drives the gear transmission experiment table to rotate back and forth around a vertical shaft to simulate a non-inertial system for yawing of gear transmission.

The present disclosure discloses an experimental system and method capable of simulating a non-inertial system of gear transmission, and relates to the field of aviation power transmission. The experimental system includes a gear transmission experiment table, a linear motion platform and an electric vibration table. The linear motion platform drives the gear transmission experiment table to perform horizontal linear acceleration motion to simulate a non-inertial system for linear acceleration of gear transmission. The electric vibration table drives the gear transmission experiment table to rotate back and forth around a horizontal shaft to simulate a non-inertial system for pitching of gear transmission. The electric vibration table drives the gear transmission experiment table to rotate back and forth around a vertical shaft to simulate a non-inertial system for yawing of gear transmission.