摘要:
In control apparatus and method for taking failure countermeasure for a hybrid vehicular drive system, on a lever diagram of a planetary gear mechanism, a revolution speed order is a first motor/generator (MG1), an engine (1), the output member (4), and a second motor/generator (MG2), high-brake (16) and low-brake (17) are arranged at one and the other ends of the lever diagram, respectively, with the output member as an intermediate position on the lever diagram, an output abnormality of each of the engine, the first motor/generator, and the second motor/generator which are drive sources is detected, and, with one of the first and second clutching sections (16,17) clutched, a vehicular run using at least one of the drive sources whose output is detected to be normal is enabled when the drive source output abnormality detecting section detects that the output abnormalities in any one or two of the drive sources occur.
摘要:
In a hybrid transmission a differential unit is constituted by a single pinion planetary gear set (4) and a double pinion planetary gear set (5) holding a carrier (c) in common. The input end from a prime mover is coupled to a ring gear (Rd) of the double pinion planetary gear set (5), an output end to a drive system is coupled to the common carrier (c), a first motor/generator (MG1) is coupled to a sun gear (Sd) of the double pinion planetary gear set, a second motor/generator (MG2) is coupled to a sun gear (Ss) of the single pinion planetary gear set (4), and a brake (FB) is enabled to brake a ring gear (Rs) of the single pinion planetary gear set.
摘要:
In vibration suppression apparatus and method for a hybrid vehicle, the hybrid vehicle comprises at least one main power source (1), a plurality of auxiliary power sources (2), and a planetary gear mechanism (3) to modify a gear ratio when an output of the main power source is transmitted to a drive output member and two power sources whose torque controls are enabled to be performed are selected and a vibration suppression control signal is superposed onto each of torque commands supplied to the selected two power sources to suppress two-degrees-of-freedom vibrations of the planetary gear mechanism (3).
摘要:
In vibration suppression apparatus and method for a hybrid vehicle, the hybrid vehicle comprises at least one main power source (1), a plurality of auxiliary power sources (2), and a planetary gear mechanism (3) to modify a gear ratio when an output of the main power source is transmitted to a drive output member and two power sources whose torque controls are enabled to be performed are selected and a vibration suppression control signal is superposed onto each of torque commands supplied to the selected two power sources to suppress two-degrees-of-freedom vibrations of the planetary gear mechanism (3).
摘要:
In a hybrid transmission a differential unit is constituted by a single pinion planetary gear set (4) and a double pinion planetary gear set (5) holding a carrier (c) in common. The input end from a prime mover is coupled to a ring gear (Rd) of the double pinion planetary gear set (5), an output end to a drive system is coupled to the common carrier (c), a first motor/generator (MG1) is coupled to a sun gear (Sd) of the double pinion planetary gear set, a second motor/generator (MG2) is coupled to a sun gear (Ss) of the single pinion planetary gear set (4), and a brake (FB) is enabled to brake a ring gear (Rs) of the single pinion planetary gear set.
摘要:
A control system for controlling a hybrid transmission including a two-degree-of-freedom differential mechanism is arranged to change a target prime-mover (ENG) revolution speed of a prime mover so as to decrease an electric power output of first (MG1) and second (MG2) motor/generators when a temperature of one of the first and second motor/generators and a power device for the first and second motor/generators is higher than a predetermined temperature, wherein a target driving force of the hybrid vehicle is achieved by a demand prime-mover output generated when an output revolution speed of the hybrid transmission is kept constant and when the target prime-mover revolution speed is determined.
摘要:
In a hybrid automatic transmission of a hybrid electric vehicle equipped with a differential device having two-degree-of-freedom and at least four rotating members respectively connected to a prime mover as an input element, a drive train as an output element, and first and second motor-generators. A specified relationship among inertias of rotating systems relating to the prime mover, output element, and first and second motor-generators, a first lever ratio of a distance between an input element and the first motor-generator to a distance between the input and output elements, and a second lever ratio of a distance between the output element and the second motor-generator to the distance between the input and output elements is determined, so that a center of gravity of a lever on an alignment chart of the hybrid transmission is laid out on the output element or between the output element and the second motor-generator.
摘要:
In control apparatus and method for taking failure countermeasure for a hybrid vehicular drive system, on a lever diagram of a planetary gear mechanism, a revolution speed order is a first motor/generator (MG1), an engine (1), the output member (4), and a second motor/generator (MG2), high-brake (16) and low-brake (17) are arranged at one and the other ends of the lever diagram, respectively, with the output member as an intermediate position on the lever diagram, an output abnormality of each of the engine, the first motor/generator, and the second motor/generator which are drive sources is detected, and, with one of the first and second clutching sections (16,17) clutched, a vehicular run using at least one of the drive sources whose output is detected to be normal is enabled when the drive source output abnormality detecting section detects that the output abnormalities in any one or two of the drive sources occur.